Fixed for handling exceptions of asgi app call. (#2211)

@cansarigol3megawatt Thanks for looking into this and getting the quick turnaround on this. I will 🍒 pick this into the 21.6 branch and get it out a little later tonight.

.codeclimate.yml

@@ -0,0 +1,12 @@
+exclude_patterns:
+  - "sanic/__main__.py"
+  - "sanic/reloader_helpers.py"
+  - "sanic/simple.py"
+  - "sanic/utils.py"
+  - ".github/"
+  - "changelogs/"
+  - "docker/"
+  - "docs/"
+  - "examples/"
+  - "hack/"
+  - "scripts/"

.coveragerc

@@ -1,7 +1,12 @@
 [run]
 branch = True
 source = sanic
-omit = site-packages, sanic/utils.py, sanic/__main__.py
+omit =
+    site-packages
+    sanic/__main__.py
+    sanic/reloader_helpers.py
+    sanic/simple.py
+    sanic/utils.py
 
 [html]
 directory = coverage

.github/workflows/codeql-analysis.yml

@@ -1,22 +1,10 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
 name: "CodeQL"
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master ]
+    branches: [ main ]
   schedule:
     - cron: '25 16 * * 0'
 
@@ -29,39 +17,18 @@ jobs:
       fail-fast: false
       matrix:
         language: [ 'python' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
-        # Learn more:
-        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
 
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
 
-    # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v1
       with:
         languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
 
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
       uses: github/codeql-action/autobuild@v1
 
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v1

.github/workflows/coverage.yml

@@ -0,0 +1,40 @@
+name: Coverage check
+# on:
+#   push:
+#     branches:
+#       - main
+#     tags:
+#       - "!*" # Do not execute on tags
+#     paths:
+#       - sanic/*
+#       - tests/*
+#   pull_request:
+#     paths:
+#       - "!*.MD"
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: [3.9]
+        os: [ubuntu-latest]
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies 🔨
+        run: |
+          python -m pip install --upgrade pip
+          pip install tox
+      - uses: paambaati/codeclimate-action@v2.5.3
+        if: always()
+        env:
+          CC_TEST_REPORTER_ID: ${{ secrets.CODECLIMATE }}
+        with:
+          coverageCommand: tox -e coverage

.github/workflows/on-demand.yml

@@ -0,0 +1,39 @@
+name: On Demand Task
+on:
+  workflow_dispatch:
+    inputs:
+      python-version:
+        description: 'Version of Python to use for running Test'
+        required: false
+        default: "3.8"
+      tox-env:
+        description: 'Test Environment to Run'
+        required: true
+        default: ''
+      os:
+        description: 'Operating System to Run Test on'
+        required: false
+        default: ubuntu-latest
+jobs:
+  onDemand:
+    name: tox-${{ matrix.config.tox-env }}-on-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["${{ github.event.inputs.os}}"]
+        config:
+          - { tox-env: "${{ github.event.inputs.tox-env }}", py-version: "${{ github.event.inputs.python-version }}"}
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Run tests
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.py-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"
+          experimental-ignore-error: "yes"

.github/workflows/pr-bandit.yml

@@ -0,0 +1,32 @@
+name: Security Analysis
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  bandit:
+    name: type-check-${{ matrix.config.python-version }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        config:
+          - { python-version: 3.7, tox-env: security}
+          - { python-version: 3.8, tox-env: security}
+          - { python-version: 3.9, tox-env: security}
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+        id: checkout-branch
+
+      - name: Run Linter Checks
+        id: linter-check
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"

.github/workflows/pr-docs.yml

@@ -0,0 +1,29 @@
+name: Document Linter
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  docsLinter:
+    name: Lint Documentation
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        config:
+          - {python-version: "3.8", tox-env: "docs"}
+      fail-fast: false
+
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Run Document Linter
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"

.github/workflows/pr-linter.yml

@@ -0,0 +1,30 @@
+name: Linter Checks
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  linter:
+    name: lint
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        config:
+          - { python-version: 3.8, tox-env: lint}
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+        id: checkout-branch
+
+      - name: Run Linter Checks
+        id: linter-check
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"

.github/workflows/pr-python-pypy.yml

@@ -0,0 +1,41 @@
+name: Python PyPy Tests
+on:
+  workflow_dispatch:
+    inputs:
+      tox-env:
+        description: "Tox Env to run on the PyPy Infra"
+        required: false
+        default: "pypy37"
+      pypy-version:
+        description: "Version of PyPy to use"
+        required: false
+        default: "pypy-3.7"
+jobs:
+  testPyPy:
+    name: ut-${{ matrix.config.tox-env }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
+        config:
+          - {
+              python-version: "${{ github.event.inputs.pypy-version }}",
+              tox-env: "${{ github.event.inputs.tox-env }}",
+            }
+    steps:
+      - name: Checkout the Repository
+        uses: actions/checkout@v2
+        id: checkout-branch
+
+      - name: Run Unit Tests
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"
+          experimental-ignore-error: "true"
+          command-timeout: "600000"

.github/workflows/pr-python37.yml

@@ -0,0 +1,38 @@
+name: Python 3.7 Tests
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+    paths:
+      - sanic/*
+      - tests/*
+
+jobs:
+  testPy37:
+    name: ut-${{ matrix.config.tox-env }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        #         os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
+        config:
+          - { python-version: 3.7, tox-env: py37 }
+          - { python-version: 3.7, tox-env: py37-no-ext }
+    steps:
+      - name: Checkout the Repository
+        uses: actions/checkout@v2
+        id: checkout-branch
+
+      - name: Run Unit Tests
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"
+          test-failure-retry: "3"

.github/workflows/pr-python38.yml

@@ -0,0 +1,38 @@
+name: Python 3.8 Tests
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+    paths:
+      - sanic/*
+      - tests/*
+
+jobs:
+  testPy38:
+    name: ut-${{ matrix.config.tox-env }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
+        config:
+          - { python-version: 3.8, tox-env: py38 }
+          - { python-version: 3.8, tox-env: py38-no-ext }
+    steps:
+      - name: Checkout the Repository
+        uses: actions/checkout@v2
+        id: checkout-branch
+
+      - name: Run Unit Tests
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"
+          test-failure-retry: "3"

.github/workflows/pr-python39.yml

@@ -0,0 +1,50 @@
+name: Python 3.9 Tests
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+    paths:
+      - sanic/*
+      - tests/*
+
+jobs:
+  testPy39:
+    name: ut-${{ matrix.config.tox-env }}-${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
+        config:
+          - {
+              python-version: 3.9,
+              tox-env: py39,
+              ignore-error-flake: "false",
+              command-timeout: "0",
+            }
+          - {
+              python-version: 3.9,
+              tox-env: py39-no-ext,
+              ignore-error-flake: "true",
+              command-timeout: "600000",
+            }
+    steps:
+      - name: Checkout the Repository
+        uses: actions/checkout@v2
+        id: checkout-branch
+
+      - name: Run Unit Tests
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }},-vv=''"
+          experimental-ignore-error: "${{ matrix.config.ignore-error-flake }}"
+          command-timeout: "${{ matrix.config.command-timeout }}"
+          test-failure-retry: "3"

.github/workflows/pr-type-check.yml

@@ -0,0 +1,32 @@
+name: Typing Checks
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  typeChecking:
+    name: type-check-${{ matrix.config.python-version }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        config:
+          - { python-version: 3.7, tox-env: type-checking}
+          - { python-version: 3.8, tox-env: type-checking}
+          - { python-version: 3.9, tox-env: type-checking}
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+        id: checkout-branch
+
+      - name: Run Linter Checks
+        id: linter-check
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.config.python-version }}
+          test-infra-tool: tox
+          test-infra-version: latest
+          action: tests
+          test-additional-args: "-e=${{ matrix.config.tox-env }}"

.github/workflows/pr-windows.yml

@@ -0,0 +1,34 @@
+# name: Run Unit Tests on Windows
+# on:
+#   pull_request:
+#     branches:
+#       - main
+
+# jobs:
+#   testsOnWindows:
+#     name: ut-${{ matrix.config.tox-env }}
+#     runs-on: windows-latest
+#     strategy:
+#       fail-fast: false
+#       matrix:
+#         config:
+#           - { python-version: 3.7, tox-env: py37-no-ext }
+#           - { python-version: 3.8, tox-env: py38-no-ext }
+#           - { python-version: 3.9, tox-env: py39-no-ext }
+#           - { python-version: pypy-3.7, tox-env: pypy37-no-ext }
+
+#     steps:
+#       - name: Checkout Repository
+#         uses: actions/checkout@v2
+
+#       - name: Run Unit Tests
+#         uses: ahopkins/custom-actions@pip-extra-args
+#         with:
+#           python-version: ${{ matrix.config.python-version }}
+#           test-infra-tool: tox
+#           test-infra-version: latest
+#           action: tests
+#           test-additional-args: "-e=${{ matrix.config.tox-env }}"
+#           experimental-ignore-error: "true"
+#           command-timeout: "600000"
+#           pip-extra-args: "--user"

.github/workflows/publish-images.yml

@@ -0,0 +1,48 @@
+name: Publish Docker Images
+on:
+  workflow_run:
+    workflows:
+      - 'Publish Artifacts'
+    types:
+      - completed
+
+jobs:
+  publishDockerImages:
+    name: Docker Image Build [${{ matrix.python-version }}]
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version: ["3.7", "3.8", "3.9"]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Build Latest Base images for ${{ matrix.python-version }}
+        uses: harshanarayana/custom-actions@main
+        with:
+          docker-image-base-name: sanicframework/sanic-build
+          ignore-python-setup: 'true'
+          dockerfile-base-dir: './docker'
+          action: 'image-publish'
+          docker-image-tag: "${{ matrix.python-version }}"
+          docker-file-suffix: "base"
+          docker-build-args: "PYTHON_VERSION=${{ matrix.python-version }}"
+          registry-auth-user: ${{ secrets.DOCKER_ACCESS_USER }}
+          registry-auth-password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
+          push-images: 'true'
+
+      - name: Publish Sanic Docker Image for ${{ matrix.python-version }}
+        uses: harshanarayana/custom-actions@main
+        with:
+          docker-image-base-name: sanicframework/sanic
+          ignore-python-setup: 'true'
+          dockerfile-base-dir: './docker'
+          action: 'image-publish'
+          docker-build-args: "BASE_IMAGE_TAG=${{ matrix.python-version }}"
+          docker-image-prefix: "${{ matrix.python-version }}"
+          registry-auth-user: ${{ secrets.DOCKER_ACCESS_USER }}
+          registry-auth-password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
+          push-images: 'true'

.github/workflows/publish-package.yml

@@ -0,0 +1,28 @@
+name: Publish Artifacts
+on:
+  release:
+    types: [created]
+
+jobs:
+  publishPythonPackage:
+    name: Publishing Sanic Release Artifacts
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: true
+      matrix:
+        python-version: ["3.8"]
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v2
+
+      - name: Publish Python Package
+        uses: harshanarayana/custom-actions@main
+        with:
+          python-version: ${{ matrix.python-version }}
+          package-infra-name: "twine"
+          pypi-user: __token__
+          pypi-access-token: ${{ secrets.PYPI_ACCESS_TOKEN }}
+          action: "package-publish"
+          pypi-verify-metadata: "true"

.gitignore

@@ -6,6 +6,7 @@
 .coverage
 .coverage.*
 coverage
+coverage.xml
 .tox
 settings.py
 .idea/*
@@ -18,3 +19,6 @@ build/*
 .DS_Store
 dist/*
 pip-wheel-metadata/
+.pytest_cache/*
+.venv/*
+.vscode/*

.travis.yml

@@ -1,94 +0,0 @@
-sudo: false
-language: python
-cache:
-  directories:
-    - $HOME/.cache/pip
-matrix:
-  include:
-    - env: TOX_ENV=py37
-      python: 3.7
-      dist: xenial
-      sudo: true
-      name: "Python 3.7 with Extensions"
-    - env: TOX_ENV=py37-no-ext
-      python: 3.7
-      dist: xenial
-      sudo: true
-      name: "Python 3.7 without Extensions"
-    - env: TOX_ENV=py38
-      python: 3.8
-      dist: xenial
-      sudo: true
-      name: "Python 3.8 with Extensions"
-    - env: TOX_ENV=py38-no-ext
-      python: 3.8
-      dist: xenial
-      sudo: true
-      name: "Python 3.8 without Extensions"
-    - env: TOX_ENV=py39
-      python: 3.9
-      dist: bionic
-      sudo: true
-      name: "Python 3.9 with Extensions"
-    - env: TOX_ENV=py39-no-ext
-      python: 3.9
-      dist: bionic
-      sudo: true
-      name: "Python 3.9 without Extensions"
-    - env: TOX_ENV=type-checking
-      python: 3.7
-      name: "Python 3.7 Type checks"
-    - env: TOX_ENV=type-checking
-      python: 3.8
-      name: "Python 3.8 Type checks"
-    - env: TOX_ENV=type-checking
-      python: 3.9
-      dist: bionic
-      name: "Python 3.9 Type checks"
-    - env: TOX_ENV=security
-      python: 3.7
-      dist: xenial
-      sudo: true
-      name: "Python 3.7 Bandit security scan"
-    - env: TOX_ENV=security
-      python: 3.8
-      dist: xenial
-      sudo: true
-      name: "Python 3.8 Bandit security scan"
-    - env: TOX_ENV=security
-      python: 3.9
-      dist: bionic
-      sudo: true
-      name: "Python 3.9 Bandit security scan"
-    - env: TOX_ENV=docs
-      python: 3.7
-      dist: xenial
-      sudo: true
-      name: "Python 3.7 Documentation tests"
-    - env: TOX_ENV=pyNightly
-      python: "nightly"
-      name: "Python nightly with Extensions"
-    - env: TOX_ENV=pyNightly-no-ext
-      python: "nightly"
-      name: "Python nightly without Extensions"
-  allow_failures:
-    - env: TOX_ENV=pyNightly
-      python: "nightly"
-      name: "Python nightly with Extensions"
-    - env: TOX_ENV=pyNightly-no-ext
-      python: "nightly"
-      name: "Python nightly without Extensions"
-install:
-  - pip install -U tox
-  - pip install codecov
-script: travis_retry tox -e $TOX_ENV
-after_success:
-  - codecov
-deploy:
-  provider: pypi
-  user: brewmaster
-  password:
-    secure: "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"
-  on:
-    tags: true
-  distributions: "sdist bdist_wheel"

CHANGELOG.rst

@@ -1,3 +1,95 @@
+Version 21.6.0
+--------------
+
+Features
+********
+
+  * `#2094 <https://github.com/sanic-org/sanic/pull/2094>`_
+    Add ``response.eof()`` method for closing a stream in a handler
+  * `#2097 <https://github.com/sanic-org/sanic/pull/2097>`_
+    Allow case-insensitive HTTP Upgrade header
+  * `#2104 <https://github.com/sanic-org/sanic/pull/2104>`_
+    Explicit usage of CIMultiDict getters
+  * `#2109 <https://github.com/sanic-org/sanic/pull/2109>`_
+    Consistent use of error loggers
+  * `#2114 <https://github.com/sanic-org/sanic/pull/2114>`_
+    New ``client_ip`` access of connection info instance
+  * `#2119 <https://github.com/sanic-org/sanic/pull/2119>`_
+    Alternatate classes on instantiation for ``Config`` and ``Sanic.ctx``
+  * `#2133 <https://github.com/sanic-org/sanic/pull/2133>`_
+    Implement new version of AST router
+
+      * Proper differentiation between ``alpha`` and ``string`` param types
+      * Adds a ``slug`` param type, example: ``<foo:slug>``
+      * Deprecates ``<foo:string>`` in favor of ``<foo:str>``
+      * Deprecates ``<foo:number>`` in favor of ``<foo:float>``
+      * Adds a ``route.uri`` accessor
+  * `#2136 <https://github.com/sanic-org/sanic/pull/2136>`_
+    CLI improvements with new optional params
+  * `#2137 <https://github.com/sanic-org/sanic/pull/2137>`_
+    Add ``version_prefix`` to URL builders
+  * `#2140 <https://github.com/sanic-org/sanic/pull/2140>`_
+    Event autoregistration with ``EVENT_AUTOREGISTER``
+  * `#2146 <https://github.com/sanic-org/sanic/pull/2146>`_, `#2147 <https://github.com/sanic-org/sanic/pull/2147>`_
+    Require stricter names on  ``Sanic()`` and ``Blueprint()``
+  * `#2150 <https://github.com/sanic-org/sanic/pull/2150>`_
+    Infinitely reusable and nestable ``Blueprint`` and ``BlueprintGroup``
+  * `#2154 <https://github.com/sanic-org/sanic/pull/2154>`_
+    Upgrade ``websockets`` dependency to min version
+  * `#2155 <https://github.com/sanic-org/sanic/pull/2155>`_
+    Allow for maximum header sizes to be increased: ``REQUEST_MAX_HEADER_SIZE``
+  * `#2157 <https://github.com/sanic-org/sanic/pull/2157>`_
+    Allow app factory pattern in CLI
+  * `#2165 <https://github.com/sanic-org/sanic/pull/2165>`_
+    Change HTTP methods to enums
+  * `#2167 <https://github.com/sanic-org/sanic/pull/2167>`_
+    Allow auto-reloading on additional directories
+  * `#2168 <https://github.com/sanic-org/sanic/pull/2168>`_
+    Add simple HTTP server to CLI
+  * `#2170 <https://github.com/sanic-org/sanic/pull/2170>`_
+    Additional methods for attaching ``HTTPMethodView``
+
+Bugfixes
+********
+
+  * `#2091 <https://github.com/sanic-org/sanic/pull/2091>`_
+    Fix ``UserWarning`` in ASGI mode for missing ``__slots__``
+  * `#2099 <https://github.com/sanic-org/sanic/pull/2099>`_
+    Fix static request handler logging exception on 404
+  * `#2110 <https://github.com/sanic-org/sanic/pull/2110>`_
+    Fix request.args.pop removes parameters inconsistently
+  * `#2107 <https://github.com/sanic-org/sanic/pull/2107>`_
+    Fix type hinting for load_env
+  * `#2127 <https://github.com/sanic-org/sanic/pull/2127>`_
+    Make sure ASGI ws subprotocols is a list
+  * `#2128 <https://github.com/sanic-org/sanic/pull/2128>`_
+    Fix issue where Blueprint exception handlers do not consistently route to proper handler
+
+
+Deprecations and Removals
+*************************
+
+  * `#2156 <https://github.com/sanic-org/sanic/pull/2156>`_
+    Remove config value ``REQUEST_BUFFER_QUEUE_SIZE``
+  * `#2170 <https://github.com/sanic-org/sanic/pull/2170>`_
+    ``CompositionView`` deprecated and marked for removal in 21.12
+  * `#2172 <https://github.com/sanic-org/sanic/pull/2170>`_
+    Deprecate StreamingHTTPResponse
+
+Developer infrastructure
+************************
+
+  * `#2149 <https://github.com/sanic-org/sanic/pull/2149>`_
+    Remove Travis CI in favor of GitHub Actions
+
+Improved Documentation
+**********************
+
+  * `#2164 <https://github.com/sanic-org/sanic/pull/2164>`_
+    Fix typo in documentation
+  * `#2100 <https://github.com/sanic-org/sanic/pull/2100>`_
+    Remove documentation for non-existent arguments
+
 Version 21.3.2
 --------------
 

CONTRIBUTING.rst

@@ -87,7 +87,7 @@ Permform ``flake8``\ , ``black`` and ``isort`` checks.
    tox -e lint
 
 Run type annotation checks
----------------
+--------------------------
 
 ``tox`` environment -> ``[testenv:type-checking]``
 

Makefile

@@ -49,6 +49,9 @@ test: clean
 test-coverage: clean
 	python setup.py test --pytest-args="--cov sanic --cov-report term --cov-append "
 
+view-coverage:
+	sanic ./coverage --simple
+
 install:
 	python setup.py install
 
@@ -85,8 +88,7 @@ docs-test: docs-clean
 	cd docs && make dummy
 
 docs-serve:
-	# python -m http.server --directory=./docs/_build/html 9999
-	sphinx-autobuild docs docs/_build/html --port 9999 --watch ./sanic
+	sphinx-autobuild docs docs/_build/html --port 9999 --watch ./
 
 changelog:
 	python scripts/changelog.py

README.rst

@@ -11,7 +11,7 @@ Sanic | Build fast. Run fast.
     :stub-columns: 1
 
     * - Build
-      - | |Build Status| |AppVeyor Build Status| |Codecov|
+      - | |Py39Test| |Py38Test| |Py37Test| |Codecov|
     * - Docs
       - | |UserGuide| |Documentation|
     * - Package
@@ -29,10 +29,12 @@ Sanic | Build fast. Run fast.
    :target: https://discord.gg/FARQzAEMAA
 .. |Codecov| image:: https://codecov.io/gh/sanic-org/sanic/branch/master/graph/badge.svg
     :target: https://codecov.io/gh/sanic-org/sanic
-.. |Build Status| image:: https://travis-ci.com/sanic-org/sanic.svg?branch=master
-   :target: https://travis-ci.com/sanic-org/sanic
-.. |AppVeyor Build Status| image:: https://ci.appveyor.com/api/projects/status/d8pt3ids0ynexi8c/branch/master?svg=true
-   :target: https://ci.appveyor.com/project/sanic-org/sanic
+.. |Py39Test| image:: https://github.com/sanic-org/sanic/actions/workflows/pr-python39.yml/badge.svg?branch=main
+   :target: https://github.com/sanic-org/sanic/actions/workflows/pr-python39.yml
+.. |Py38Test| image:: https://github.com/sanic-org/sanic/actions/workflows/pr-python38.yml/badge.svg?branch=main
+   :target: https://github.com/sanic-org/sanic/actions/workflows/pr-python38.yml
+.. |Py37Test| image:: https://github.com/sanic-org/sanic/actions/workflows/pr-python37.yml/badge.svg?branch=main
+   :target: https://github.com/sanic-org/sanic/actions/workflows/pr-python37.yml
 .. |Documentation| image:: https://readthedocs.org/projects/sanic/badge/?version=latest
    :target: http://sanic.readthedocs.io/en/latest/?badge=latest
 .. |PyPI| image:: https://img.shields.io/pypi/v/sanic.svg

codecov.yml

@@ -1,14 +0,0 @@
-codecov:
-  require_ci_to_pass: no
-coverage:
-  precision: 3
-  round: nearest
-  status:
-    project:
-      default:
-        target: auto
-        threshold: 0.5%
-    patch:
-      default:
-        target: auto
-        threshold: 0.75%

docker/Dockerfile

@@ -1,28 +1,9 @@
-FROM alpine:3.7
+ARG BASE_IMAGE_TAG
 
-RUN apk add --no-cache --update \
-        curl \
-        bash \
-        build-base \
-        ca-certificates \
-        git \
-        bzip2-dev \
-        linux-headers \
-        ncurses-dev \
-        openssl \
-        openssl-dev \
-        readline-dev \
-        sqlite-dev
+FROM sanicframework/sanic-build:${BASE_IMAGE_TAG}
 
+RUN apk update
 RUN update-ca-certificates
-RUN rm -rf /var/cache/apk/*
 
-ENV PYENV_ROOT="/root/.pyenv"
-ENV PATH="$PYENV_ROOT/bin:$PATH"
-
-ADD . /app
-WORKDIR /app
-
-RUN /app/docker/bin/install_python.sh 3.5.4 3.6.4
-
-ENTRYPOINT ["./docker/bin/entrypoint.sh"]
+RUN pip install sanic
+RUN apk del build-base

docker/Dockerfile-base

@@ -0,0 +1,9 @@
+ARG PYTHON_VERSION
+
+FROM python:${PYTHON_VERSION}-alpine
+RUN apk update
+RUN apk add --no-cache --update build-base \
+        ca-certificates \
+        openssl
+RUN update-ca-certificates
+RUN rm -rf /var/cache/apk/*

docker/bin/entrypoint.sh

@@ -1,11 +0,0 @@
-#!/bin/bash
-set -e
-
-eval "$(pyenv init -)"
-eval "$(pyenv virtualenv-init -)"
-source /root/.pyenv/completions/pyenv.bash
-
-pip install tox
-
-exec $@
-

docker/bin/install_python.sh

@@ -1,17 +0,0 @@
-#!/bin/bash
-set -e
-
-export CFLAGS='-O2'
-export EXTRA_CFLAGS="-DTHREAD_STACK_SIZE=0x100000"
-
-curl -L https://raw.githubusercontent.com/pyenv/pyenv-installer/master/bin/pyenv-installer | bash
-eval "$(pyenv init -)"
-
-for ver in $@
-do
-    pyenv install $ver
-done
-
-pyenv global $@
-pip install --upgrade pip
-pyenv rehash

docs/sanic/api/app.rst

@@ -0,0 +1,17 @@
+Application
+===========
+
+sanic.app
+---------
+
+.. automodule:: sanic.app
+    :members:
+    :show-inheritance:
+    :inherited-members:
+
+sanic.config
+------------
+
+.. automodule:: sanic.config
+    :members:
+    :show-inheritance:

docs/sanic/api/blueprints.rst

@@ -0,0 +1,17 @@
+Blueprints
+==========
+
+sanic.blueprints
+----------------
+
+.. automodule:: sanic.blueprints
+    :members:
+    :show-inheritance:
+    :inherited-members:
+
+sanic.blueprint_group
+---------------------
+
+.. automodule:: sanic.blueprint_group
+    :members:
+    :special-members:

docs/sanic/api/core.rst

@@ -0,0 +1,47 @@
+Core
+====
+
+sanic.cookies
+-------------
+
+.. automodule:: sanic.cookies
+    :members:
+    :show-inheritance:
+
+
+sanic.handlers
+--------------
+
+.. automodule:: sanic.handlers
+    :members:
+    :show-inheritance:
+
+
+sanic.request
+-------------
+
+.. automodule:: sanic.request
+    :members:
+    :show-inheritance:
+
+sanic.response
+--------------
+
+.. automodule:: sanic.response
+    :members:
+    :show-inheritance:
+
+
+sanic.views
+-----------
+
+.. automodule:: sanic.views
+    :members:
+    :show-inheritance:
+
+sanic.websocket
+---------------
+
+.. automodule:: sanic.websocket
+    :members:
+    :show-inheritance:

docs/sanic/api/exceptions.rst

@@ -0,0 +1,16 @@
+Exceptions
+==========
+
+sanic.errorpages
+----------------
+
+.. automodule:: sanic.errorpages
+    :members:
+    :show-inheritance:
+
+sanic.exceptions
+----------------
+
+.. automodule:: sanic.exceptions
+    :members:
+    :show-inheritance:

docs/sanic/api/router.rst

@@ -0,0 +1,18 @@
+Routing
+=======
+
+sanic_routing models
+--------------------
+
+.. autoclass:: sanic_routing.route::Route
+    :members:
+
+.. autoclass:: sanic_routing.group::RouteGroup
+    :members:
+
+sanic.router
+------------
+
+.. automodule:: sanic.router
+    :members:
+    :show-inheritance:

docs/sanic/api/server.rst

@@ -0,0 +1,25 @@
+Sanic Server
+============
+
+sanic.http
+----------
+
+.. automodule:: sanic.http
+    :members:
+    :show-inheritance:
+
+
+sanic.server
+------------
+
+.. automodule:: sanic.server
+    :members:
+    :show-inheritance:
+
+
+sanic.worker
+------------
+
+.. automodule:: sanic.worker
+    :members:
+    :show-inheritance:

docs/sanic/api/utility.rst

@@ -0,0 +1,16 @@
+Utility
+=======
+
+sanic.compat
+------------
+
+.. automodule:: sanic.compat
+    :members:
+    :show-inheritance:
+
+sanic.log
+---------
+
+.. automodule:: sanic.log
+    :members:
+    :show-inheritance:

docs/sanic/api_reference.rst

@@ -1,132 +1,13 @@
 📑 API Reference
 ================
 
-sanic.app
----------
+.. toctree::
+   :maxdepth: 2
 
-.. automodule:: sanic.app
-    :members:
-    :show-inheritance:
-    :inherited-members:
-
-sanic.blueprints
-----------------
-
-.. automodule:: sanic.blueprints
-    :members:
-    :show-inheritance:
-    :inherited-members:
-
-sanic.blueprint_group
----------------------
-
-.. automodule:: sanic.blueprint_group
-    :members:
-    :special-members:
-
-
-sanic.compat
-------------
-
-.. automodule:: sanic.compat
-    :members:
-    :show-inheritance:
-
-sanic.config
-------------
-
-.. automodule:: sanic.config
-    :members:
-    :show-inheritance:
-
-sanic.cookies
--------------
-
-.. automodule:: sanic.cookies
-    :members:
-    :show-inheritance:
-
-sanic.errorpages
-----------------
-
-.. automodule:: sanic.errorpages
-    :members:
-    :show-inheritance:
-
-sanic.exceptions
-----------------
-
-.. automodule:: sanic.exceptions
-    :members:
-    :show-inheritance:
-
-sanic.handlers
---------------
-
-.. automodule:: sanic.handlers
-    :members:
-    :show-inheritance:
-
-sanic.http
-----------
-
-.. automodule:: sanic.http
-    :members:
-    :show-inheritance:
-
-sanic.log
----------
-
-.. automodule:: sanic.log
-    :members:
-    :show-inheritance:
-
-sanic.request
--------------
-
-.. automodule:: sanic.request
-    :members:
-    :show-inheritance:
-
-sanic.response
---------------
-
-.. automodule:: sanic.response
-    :members:
-    :show-inheritance:
-
-sanic.router
-------------
-
-.. automodule:: sanic.router
-    :members:
-    :show-inheritance:
-
-sanic.server
-------------
-
-.. automodule:: sanic.server
-    :members:
-    :show-inheritance:
-
-
-sanic.views
------------
-
-.. automodule:: sanic.views
-    :members:
-    :show-inheritance:
-
-sanic.websocket
----------------
-
-.. automodule:: sanic.websocket
-    :members:
-    :show-inheritance:
-
-sanic.worker
-------------
-
-.. automodule:: sanic.worker
-    :members:
-    :show-inheritance:
+   api/app
+   api/blueprints
+   api/core
+   api/exceptions
+   api/router
+   api/server
+   api/utility

docs/sanic/contributing.rst

@@ -1,4 +1,4 @@
 ♥️ Contributing
-===============
+==============
 
 .. include:: ../../CONTRIBUTING.rst

hack/Dockerfile

@@ -0,0 +1,6 @@
+FROM catthehacker/ubuntu:act-latest
+SHELL [ "/bin/bash", "-c" ]
+ENTRYPOINT []
+RUN apt-get update
+RUN apt-get install gcc -y
+RUN apt-get install -y --no-install-recommends g++

sanic/__init__.py

@@ -1,6 +1,7 @@
 from sanic.__version__ import __version__
 from sanic.app import Sanic
 from sanic.blueprints import Blueprint
+from sanic.constants import HTTPMethod
 from sanic.request import Request
 from sanic.response import HTTPResponse, html, json, text
 
@@ -9,6 +10,7 @@ __all__ = (
     "__version__",
     "Sanic",
     "Blueprint",
+    "HTTPMethod",
     "HTTPResponse",
     "Request",
     "html",

sanic/__main__.py

@@ -1,21 +1,25 @@
 import os
 import sys
 
-from argparse import ArgumentParser, RawDescriptionHelpFormatter
+from argparse import ArgumentParser, RawTextHelpFormatter
 from importlib import import_module
+from pathlib import Path
 from typing import Any, Dict, Optional
 
+from sanic_routing import __version__ as __routing_version__  # type: ignore
+
 from sanic import __version__
 from sanic.app import Sanic
 from sanic.config import BASE_LOGO
-from sanic.log import logger
+from sanic.log import error_logger
+from sanic.simple import create_simple_server
 
 
 class SanicArgumentParser(ArgumentParser):
     def add_bool_arguments(self, *args, **kwargs):
         group = self.add_mutually_exclusive_group()
         group.add_argument(*args, action="store_true", **kwargs)
-        kwargs["help"] = "no " + kwargs["help"]
+        kwargs["help"] = f"no {kwargs['help']}\n "
         group.add_argument(
             "--no-" + args[0][2:], *args[1:], action="store_false", **kwargs
         )
@@ -25,7 +29,30 @@ def main():
     parser = SanicArgumentParser(
         prog="sanic",
         description=BASE_LOGO,
-        formatter_class=RawDescriptionHelpFormatter,
+        formatter_class=lambda prog: RawTextHelpFormatter(
+            prog, max_help_position=33
+        ),
+    )
+    parser.add_argument(
+        "-v",
+        "--version",
+        action="version",
+        version=f"Sanic {__version__}; Routing {__routing_version__}",
+    )
+    parser.add_argument(
+        "--factory",
+        action="store_true",
+        help=(
+            "Treat app as an application factory, "
+            "i.e. a () -> <Sanic app> callable"
+        ),
+    )
+    parser.add_argument(
+        "-s",
+        "--simple",
+        dest="simple",
+        action="store_true",
+        help="Run Sanic as a Simple Server (module arg should be a path)\n ",
     )
     parser.add_argument(
         "-H",
@@ -33,7 +60,7 @@ def main():
         dest="host",
         type=str,
         default="127.0.0.1",
-        help="host address [default 127.0.0.1]",
+        help="Host address [default 127.0.0.1]",
     )
     parser.add_argument(
         "-p",
@@ -41,7 +68,7 @@ def main():
         dest="port",
         type=int,
         default=8000,
-        help="port to serve on [default 8000]",
+        help="Port to serve on [default 8000]",
     )
     parser.add_argument(
         "-u",
@@ -49,13 +76,16 @@ def main():
         dest="unix",
         type=str,
         default="",
-        help="location of unix socket",
+        help="location of unix socket\n ",
     )
     parser.add_argument(
-        "--cert", dest="cert", type=str, help="location of certificate for SSL"
+        "--cert", dest="cert", type=str, help="Location of certificate for SSL"
     )
     parser.add_argument(
-        "--key", dest="key", type=str, help="location of keyfile for SSL."
+        "--key", dest="key", type=str, help="location of keyfile for SSL\n "
+    )
+    parser.add_bool_arguments(
+        "--access-logs", dest="access_log", help="display access logs"
     )
     parser.add_argument(
         "-w",
@@ -63,20 +93,31 @@ def main():
         dest="workers",
         type=int,
         default=1,
-        help="number of worker processes [default 1]",
+        help="number of worker processes [default 1]\n ",
     )
-    parser.add_argument("--debug", dest="debug", action="store_true")
-    parser.add_bool_arguments(
-        "--access-logs", dest="access_log", help="display access logs"
+    parser.add_argument("-d", "--debug", dest="debug", action="store_true")
+    parser.add_argument(
+        "-r",
+        "--reload",
+        "--auto-reload",
+        dest="auto_reload",
+        action="store_true",
+        help="Watch source directory for file changes and reload on changes",
     )
     parser.add_argument(
-        "-v",
-        "--version",
-        action="version",
-        version=f"Sanic {__version__}",
+        "-R",
+        "--reload-dir",
+        dest="path",
+        action="append",
+        help="Extra directories to watch and reload on changes\n ",
     )
     parser.add_argument(
-        "module", help="path to your Sanic app. Example: path.to.server:app"
+        "module",
+        help=(
+            "Path to your Sanic app. Example: path.to.server:app\n"
+            "If running a Simple Server, path to directory to serve. "
+            "Example: ./\n"
+        ),
     )
     args = parser.parse_args()
 
@@ -85,47 +126,71 @@ def main():
         if module_path not in sys.path:
             sys.path.append(module_path)
 
-        if ":" in args.module:
-            module_name, app_name = args.module.rsplit(":", 1)
+        if args.simple:
+            path = Path(args.module)
+            app = create_simple_server(path)
         else:
-            module_parts = args.module.split(".")
-            module_name = ".".join(module_parts[:-1])
-            app_name = module_parts[-1]
+            delimiter = ":" if ":" in args.module else "."
+            module_name, app_name = args.module.rsplit(delimiter, 1)
 
-        module = import_module(module_name)
-        app = getattr(module, app_name, None)
-        app_name = type(app).__name__
+            if app_name.endswith("()"):
+                args.factory = True
+                app_name = app_name[:-2]
 
-        if not isinstance(app, Sanic):
-            raise ValueError(
-                f"Module is not a Sanic app, it is a {app_name}.  "
-                f"Perhaps you meant {args.module}.app?"
-            )
+            module = import_module(module_name)
+            app = getattr(module, app_name, None)
+            if args.factory:
+                app = app()
+
+            app_type_name = type(app).__name__
+
+            if not isinstance(app, Sanic):
+                raise ValueError(
+                    f"Module is not a Sanic app, it is a {app_type_name}.  "
+                    f"Perhaps you meant {args.module}.app?"
+                )
         if args.cert is not None or args.key is not None:
-            ssl = {
+            ssl: Optional[Dict[str, Any]] = {
                 "cert": args.cert,
                 "key": args.key,
-            }  # type: Optional[Dict[str, Any]]
+            }
         else:
             ssl = None
 
-        app.run(
-            host=args.host,
-            port=args.port,
-            unix=args.unix,
-            workers=args.workers,
-            debug=args.debug,
-            access_log=args.access_log,
-            ssl=ssl,
-        )
+        kwargs = {
+            "host": args.host,
+            "port": args.port,
+            "unix": args.unix,
+            "workers": args.workers,
+            "debug": args.debug,
+            "access_log": args.access_log,
+            "ssl": ssl,
+        }
+        if args.auto_reload:
+            kwargs["auto_reload"] = True
+
+        if args.path:
+            if args.auto_reload or args.debug:
+                kwargs["reload_dir"] = args.path
+            else:
+                error_logger.warning(
+                    "Ignoring '--reload-dir' since auto reloading was not "
+                    "enabled. If you would like to watch directories for "
+                    "changes, consider using --debug or --auto-reload."
+                )
+
+        app.run(**kwargs)
     except ImportError as e:
-        logger.error(
-            f"No module named {e.name} found.\n"
-            f"  Example File: project/sanic_server.py -> app\n"
-            f"  Example Module: project.sanic_server.app"
-        )
+        if module_name.startswith(e.name):
+            error_logger.error(
+                f"No module named {e.name} found.\n"
+                "  Example File: project/sanic_server.py -> app\n"
+                "  Example Module: project.sanic_server.app"
+            )
+        else:
+            raise e
     except ValueError:
-        logger.exception("Failed to run app")
+        error_logger.exception("Failed to run app")
 
 
 if __name__ == "__main__":

sanic/__version__.py

@@ -1 +1 @@
-__version__ = "21.3.2"
+__version__ = "21.6.2"

sanic/app.py

@@ -14,6 +14,7 @@ from asyncio.futures import Future
 from collections import defaultdict, deque
 from functools import partial
 from inspect import isawaitable
+from pathlib import Path
 from socket import socket
 from ssl import Purpose, SSLContext, create_default_context
 from traceback import format_exc
@@ -43,7 +44,7 @@ from sanic.asgi import ASGIApp
 from sanic.base import BaseSanic
 from sanic.blueprint_group import BlueprintGroup
 from sanic.blueprints import Blueprint
-from sanic.config import BASE_LOGO, Config
+from sanic.config import BASE_LOGO, SANIC_PREFIX, Config
 from sanic.exceptions import (
     InvalidUsage,
     SanicException,
@@ -78,6 +79,7 @@ class Sanic(BaseSanic):
     """
 
     __fake_slots__ = (
+        "_asgi_app",
         "_app_registry",
         "_asgi_client",
         "_blueprint_order",
@@ -89,6 +91,7 @@ class Sanic(BaseSanic):
         "_future_signals",
         "_test_client",
         "_test_manager",
+        "auto_reload",
         "asgi",
         "blueprints",
         "config",
@@ -103,6 +106,7 @@ class Sanic(BaseSanic):
         "name",
         "named_request_middleware",
         "named_response_middleware",
+        "reload_dirs",
         "request_class",
         "request_middleware",
         "response_middleware",
@@ -121,10 +125,13 @@ class Sanic(BaseSanic):
     def __init__(
         self,
         name: str = None,
+        config: Optional[Config] = None,
+        ctx: Optional[Any] = None,
         router: Optional[Router] = None,
         signal_router: Optional[SignalRouter] = None,
         error_handler: Optional[ErrorHandler] = None,
-        load_env: bool = True,
+        load_env: Union[bool, str] = True,
+        env_prefix: Optional[str] = SANIC_PREFIX,
         request_class: Optional[Type[Request]] = None,
         strict_slashes: bool = False,
         log_config: Optional[Dict[str, Any]] = None,
@@ -132,34 +139,38 @@ class Sanic(BaseSanic):
         register: Optional[bool] = None,
         dumps: Optional[Callable[..., str]] = None,
     ) -> None:
-        super().__init__()
+        super().__init__(name=name)
 
-        if name is None:
-            raise SanicException(
-                "Sanic instance cannot be unnamed. "
-                "Please use Sanic(name='your_application_name') instead.",
-            )
         # logging
         if configure_logging:
             logging.config.dictConfig(log_config or LOGGING_CONFIG_DEFAULTS)
 
+        if config and (load_env is not True or env_prefix != SANIC_PREFIX):
+            raise SanicException(
+                "When instantiating Sanic with config, you cannot also pass "
+                "load_env or env_prefix"
+            )
+
         self._asgi_client = None
         self._blueprint_order: List[Blueprint] = []
         self._test_client = None
         self._test_manager = None
         self.asgi = False
+        self.auto_reload = False
         self.blueprints: Dict[str, Blueprint] = {}
-        self.config = Config(load_env=load_env)
+        self.config = config or Config(
+            load_env=load_env, env_prefix=env_prefix
+        )
         self.configure_logging = configure_logging
-        self.ctx = SimpleNamespace()
+        self.ctx = ctx or SimpleNamespace()
         self.debug = None
         self.error_handler = error_handler or ErrorHandler()
         self.is_running = False
         self.is_stopping = False
         self.listeners: Dict[str, List[ListenerType]] = defaultdict(list)
-        self.name = name
         self.named_request_middleware: Dict[str, Deque[MiddlewareType]] = {}
         self.named_response_middleware: Dict[str, Deque[MiddlewareType]] = {}
+        self.reload_dirs: Set[Path] = set()
         self.request_class = request_class
         self.request_middleware: Deque[MiddlewareType] = deque()
         self.response_middleware: Deque[MiddlewareType] = deque()
@@ -175,7 +186,6 @@ class Sanic(BaseSanic):
 
         if register is not None:
             self.config.REGISTER = register
-
         if self.config.REGISTER:
             self.__class__.register_app(self)
 
@@ -374,11 +384,19 @@ class Sanic(BaseSanic):
             condition=condition,
         )
 
-    def event(self, event: str, timeout: Optional[Union[int, float]] = None):
+    async def event(
+        self, event: str, timeout: Optional[Union[int, float]] = None
+    ):
         signal = self.signal_router.name_index.get(event)
         if not signal:
-            raise NotFound("Could not find signal %s" % event)
-        return wait_for(signal.ctx.event.wait(), timeout=timeout)
+            if self.config.EVENT_AUTOREGISTER:
+                self.signal_router.reset()
+                self.add_signal(None, event)
+                signal = self.signal_router.name_index[event]
+                self.signal_router.finalize()
+            else:
+                raise NotFound("Could not find signal %s" % event)
+        return await wait_for(signal.ctx.event.wait(), timeout=timeout)
 
     def enable_websocket(self, enable=True):
         """Enable or disable the support for websocket.
@@ -402,7 +420,33 @@ class Sanic(BaseSanic):
         """
         if isinstance(blueprint, (list, tuple, BlueprintGroup)):
             for item in blueprint:
-                self.blueprint(item, **options)
+                params = {**options}
+                if isinstance(blueprint, BlueprintGroup):
+                    if blueprint.url_prefix:
+                        merge_from = [
+                            options.get("url_prefix", ""),
+                            blueprint.url_prefix,
+                        ]
+                        if not isinstance(item, BlueprintGroup):
+                            merge_from.append(item.url_prefix or "")
+                        merged_prefix = "/".join(
+                            u.strip("/") for u in merge_from
+                        ).rstrip("/")
+                        params["url_prefix"] = f"/{merged_prefix}"
+
+                    for _attr in ["version", "strict_slashes"]:
+                        if getattr(item, _attr) is None:
+                            params[_attr] = getattr(
+                                blueprint, _attr
+                            ) or options.get(_attr)
+                    if item.version_prefix == "/v":
+                        if blueprint.version_prefix == "/v":
+                            params["version_prefix"] = options.get(
+                                "version_prefix"
+                            )
+                        else:
+                            params["version_prefix"] = blueprint.version_prefix
+                self.blueprint(item, **params)
             return
         if blueprint.name in self.blueprints:
             assert self.blueprints[blueprint.name] is blueprint, (
@@ -567,7 +611,12 @@ class Sanic(BaseSanic):
             # determine if the parameter supplied by the caller
             # passes the test in the URL
             if param_info.pattern:
-                passes_pattern = param_info.pattern.match(supplied_param)
+                pattern = (
+                    param_info.pattern[1]
+                    if isinstance(param_info.pattern, tuple)
+                    else param_info.pattern
+                )
+                passes_pattern = pattern.match(supplied_param)
                 if not passes_pattern:
                     if param_info.cast != str:
                         msg = (
@@ -575,13 +624,13 @@ class Sanic(BaseSanic):
                             f"for parameter `{param_info.name}` does "
                             "not match pattern for type "
                             f"`{param_info.cast.__name__}`: "
-                            f"{param_info.pattern.pattern}"
+                            f"{pattern.pattern}"
                         )
                     else:
                         msg = (
                             f'Value "{supplied_param}" for parameter '
                             f"`{param_info.name}` does not satisfy "
-                            f"pattern {param_info.pattern.pattern}"
+                            f"pattern {pattern.pattern}"
                         )
                     raise URLBuildError(msg)
 
@@ -664,11 +713,6 @@ class Sanic(BaseSanic):
         exception handling must be done here
 
         :param request: HTTP Request object
-        :param write_callback: Synchronous response function to be
-            called with the response as the only argument
-        :param stream_callback: Coroutine that handles streaming a
-            StreamingHTTPResponse if produced by the handler.
-
         :return: Nothing
         """
         # Define `response` var here to remove warnings about
@@ -677,7 +721,9 @@ class Sanic(BaseSanic):
         try:
             # Fetch handler from router
             route, handler, kwargs = self.router.get(
-                request.path, request.method, request.headers.get("host")
+                request.path,
+                request.method,
+                request.headers.getone("host", None),
             )
 
             request._match_info = kwargs
@@ -725,17 +771,14 @@ class Sanic(BaseSanic):
 
             if response:
                 response = await request.respond(response)
-            else:
+            elif not hasattr(handler, "is_websocket"):
                 response = request.stream.response  # type: ignore
-            # Make sure that response is finished / run StreamingHTTP callback
 
+            # Make sure that response is finished / run StreamingHTTP callback
             if isinstance(response, BaseHTTPResponse):
                 await response.send(end_stream=True)
             else:
-                try:
-                    # Fastest method for checking if the property exists
-                    handler.is_websocket  # type: ignore
-                except AttributeError:
+                if not hasattr(handler, "is_websocket"):
                     raise ServerError(
                         f"Invalid response type {response!r} "
                         "(need HTTPResponse)"
@@ -762,6 +805,7 @@ class Sanic(BaseSanic):
 
         if self.asgi:
             ws = request.transport.get_websocket_connection()
+            await ws.accept(subprotocols)
         else:
             protocol = request.transport.get_protocol()
             protocol.app = self
@@ -834,6 +878,7 @@ class Sanic(BaseSanic):
         access_log: Optional[bool] = None,
         unix: Optional[str] = None,
         loop: None = None,
+        reload_dir: Optional[Union[List[str], str]] = None,
     ) -> None:
         """
         Run the HTTP Server and listen until keyboard interrupt or term
@@ -868,6 +913,18 @@ class Sanic(BaseSanic):
         :type unix: str
         :return: Nothing
         """
+        if reload_dir:
+            if isinstance(reload_dir, str):
+                reload_dir = [reload_dir]
+
+            for directory in reload_dir:
+                direc = Path(directory)
+                if not direc.is_dir():
+                    logger.warning(
+                        f"Directory {directory} could not be located"
+                    )
+                self.reload_dirs.add(Path(directory))
+
         if loop is not None:
             raise TypeError(
                 "loop is not a valid argument. To use an existing loop, "
@@ -877,8 +934,9 @@ class Sanic(BaseSanic):
             )
 
         if auto_reload or auto_reload is None and debug:
+            self.auto_reload = True
             if os.environ.get("SANIC_SERVER_RUNNING") != "true":
-                return reloader_helpers.watchdog(1.0)
+                return reloader_helpers.watchdog(1.0, self)
 
         if sock is None:
             host, port = host or "127.0.0.1", port or 8000
@@ -1177,6 +1235,10 @@ class Sanic(BaseSanic):
             else:
                 logger.info(f"Goin' Fast @ {proto}://{host}:{port}")
 
+        debug_mode = "enabled" if self.debug else "disabled"
+        logger.debug("Sanic auto-reload: enabled")
+        logger.debug(f"Sanic debug mode: {debug_mode}")
+
         return server_settings
 
     def _build_endpoint_name(self, *parts):

sanic/asgi.py

@@ -140,7 +140,6 @@ class ASGIApp:
                 instance.ws = instance.transport.create_websocket_connection(
                     send, receive
                 )
-                await instance.ws.accept()
             else:
                 raise ServerError("Received unknown ASGI scope")
 
@@ -164,10 +163,12 @@ class ASGIApp:
         Read and stream the body in chunks from an incoming ASGI message.
         """
         message = await self.transport.receive()
+        body = message.get("body", b"")
         if not message.get("more_body", False):
             self.request_body = False
-            return None
-        return message.get("body", b"")
+            if not body:
+                return None
+        return body
 
     async def __aiter__(self):
         while self.request_body:
@@ -206,4 +207,7 @@ class ASGIApp:
         """
         Handle the incoming request.
         """
-        await self.sanic_app.handle_request(self.request)
+        try:
+            await self.sanic_app.handle_request(self.request)
+        except Exception as e:
+            await self.sanic_app.handle_exception(self.request, e)

sanic/base.py

@@ -1,6 +1,9 @@
+import re
+
 from typing import Any, Tuple
 from warnings import warn
 
+from sanic.exceptions import SanicException
 from sanic.mixins.exceptions import ExceptionMixin
 from sanic.mixins.listeners import ListenerMixin
 from sanic.mixins.middleware import MiddlewareMixin
@@ -8,6 +11,9 @@ from sanic.mixins.routes import RouteMixin
 from sanic.mixins.signals import SignalMixin
 
 
+VALID_NAME = re.compile(r"^[a-zA-Z][a-zA-Z0-9_\-]*$")
+
+
 class BaseSanic(
     RouteMixin,
     MiddlewareMixin,
@@ -17,7 +23,25 @@ class BaseSanic(
 ):
     __fake_slots__: Tuple[str, ...]
 
-    def __init__(self, *args, **kwargs) -> None:
+    def __init__(self, name: str = None, *args, **kwargs) -> None:
+        class_name = self.__class__.__name__
+
+        if name is None:
+            raise SanicException(
+                f"{class_name} instance cannot be unnamed. "
+                "Please use Sanic(name='your_application_name') instead.",
+            )
+
+        if not VALID_NAME.match(name):
+            warn(
+                f"{class_name} instance named '{name}' uses a format that is"
+                f"deprecated. Starting in version 21.12, {class_name} objects "
+                "must be named only using alphanumeric characters, _, or -.",
+                DeprecationWarning,
+            )
+
+        self.name = name
+
         for base in BaseSanic.__bases__:
             base.__init__(self, *args, **kwargs)  # type: ignore
 
@@ -36,6 +60,7 @@ class BaseSanic(
                 f"Setting variables on {self.__class__.__name__} instances is "
                 "deprecated and will be removed in version 21.9. You should "
                 f"change your {self.__class__.__name__} instance to use "
-                f"instance.ctx.{name} instead."
+                f"instance.ctx.{name} instead.",
+                DeprecationWarning,
             )
         super().__setattr__(name, value)

sanic/blueprint_group.py

@@ -1,7 +1,11 @@
-from collections.abc import MutableSequence
-from typing import List, Optional, Union
+from __future__ import annotations
 
-import sanic
+from collections.abc import MutableSequence
+from typing import TYPE_CHECKING, List, Optional, Union
+
+
+if TYPE_CHECKING:
+    from sanic.blueprints import Blueprint
 
 
 class BlueprintGroup(MutableSequence):
@@ -54,9 +58,21 @@ class BlueprintGroup(MutableSequence):
         app.blueprint(bpg)
     """
 
-    __slots__ = ("_blueprints", "_url_prefix", "_version", "_strict_slashes")
+    __slots__ = (
+        "_blueprints",
+        "_url_prefix",
+        "_version",
+        "_strict_slashes",
+        "_version_prefix",
+    )
 
-    def __init__(self, url_prefix=None, version=None, strict_slashes=None):
+    def __init__(
+        self,
+        url_prefix: Optional[str] = None,
+        version: Optional[Union[int, str, float]] = None,
+        strict_slashes: Optional[bool] = None,
+        version_prefix: str = "/v",
+    ):
         """
         Create a new Blueprint Group
 
@@ -65,13 +81,14 @@ class BlueprintGroup(MutableSequence):
             inherited by each of the Blueprint
         :param strict_slashes: URL Strict slash behavior indicator
         """
-        self._blueprints = []
+        self._blueprints: List[Blueprint] = []
         self._url_prefix = url_prefix
         self._version = version
+        self._version_prefix = version_prefix
         self._strict_slashes = strict_slashes
 
     @property
-    def url_prefix(self) -> str:
+    def url_prefix(self) -> Optional[Union[int, str, float]]:
         """
         Retrieve the URL prefix being used for the Current Blueprint Group
 
@@ -80,7 +97,7 @@ class BlueprintGroup(MutableSequence):
         return self._url_prefix
 
     @property
-    def blueprints(self) -> List["sanic.Blueprint"]:
+    def blueprints(self) -> List[Blueprint]:
         """
         Retrieve a list of all the available blueprints under this group.
 
@@ -107,6 +124,15 @@ class BlueprintGroup(MutableSequence):
         """
         return self._strict_slashes
 
+    @property
+    def version_prefix(self) -> str:
+        """
+        Version prefix; defaults to ``/v``
+
+        :return: str
+        """
+        return self._version_prefix
+
     def __iter__(self):
         """
         Tun the class Blueprint Group into an Iterable item
@@ -161,34 +187,16 @@ class BlueprintGroup(MutableSequence):
         """
         return len(self._blueprints)
 
-    def _sanitize_blueprint(self, bp: "sanic.Blueprint") -> "sanic.Blueprint":
-        """
-        Sanitize the Blueprint Entity to override the Version and strict slash
-        behaviors as required.
-
-        :param bp: Sanic Blueprint entity Object
-        :return: Modified Blueprint
-        """
-        if self._url_prefix:
-            merged_prefix = "/".join(
-                u.strip("/") for u in [self._url_prefix, bp.url_prefix or ""]
-            ).rstrip("/")
-            bp.url_prefix = f"/{merged_prefix}"
-        for _attr in ["version", "strict_slashes"]:
-            if getattr(bp, _attr) is None:
-                setattr(bp, _attr, getattr(self, _attr))
-        return bp
-
-    def append(self, value: "sanic.Blueprint") -> None:
+    def append(self, value: Blueprint) -> None:
         """
         The Abstract class `MutableSequence` leverages this append method to
         perform the `BlueprintGroup.append` operation.
         :param value: New `Blueprint` object.
         :return: None
         """
-        self._blueprints.append(self._sanitize_blueprint(bp=value))
+        self._blueprints.append(value)
 
-    def insert(self, index: int, item: "sanic.Blueprint") -> None:
+    def insert(self, index: int, item: Blueprint) -> None:
         """
         The Abstract class `MutableSequence` leverages this insert method to
         perform the `BlueprintGroup.append` operation.
@@ -197,7 +205,7 @@ class BlueprintGroup(MutableSequence):
         :param item: New `Blueprint` object.
         :return: None
         """
-        self._blueprints.insert(index, self._sanitize_blueprint(item))
+        self._blueprints.insert(index, item)
 
     def middleware(self, *args, **kwargs):
         """

sanic/blueprints.py

@@ -62,18 +62,20 @@ class Blueprint(BaseSanic):
         "strict_slashes",
         "url_prefix",
         "version",
+        "version_prefix",
         "websocket_routes",
     )
 
     def __init__(
         self,
-        name: str,
+        name: str = None,
         url_prefix: Optional[str] = None,
         host: Optional[str] = None,
-        version: Optional[int] = None,
+        version: Optional[Union[int, str, float]] = None,
         strict_slashes: Optional[bool] = None,
+        version_prefix: str = "/v",
     ):
-        super().__init__()
+        super().__init__(name=name)
 
         self._apps: Set[Sanic] = set()
         self.ctx = SimpleNamespace()
@@ -81,7 +83,6 @@ class Blueprint(BaseSanic):
         self.host = host
         self.listeners: Dict[str, List[ListenerType]] = {}
         self.middlewares: List[MiddlewareType] = []
-        self.name = name
         self.routes: List[Route] = []
         self.statics: List[RouteHandler] = []
         self.strict_slashes = strict_slashes
@@ -91,6 +92,7 @@ class Blueprint(BaseSanic):
             else url_prefix
         )
         self.version = version
+        self.version_prefix = version_prefix
         self.websocket_routes: List[Route] = []
 
     def __repr__(self) -> str:
@@ -143,7 +145,13 @@ class Blueprint(BaseSanic):
         return super().signal(event, *args, **kwargs)
 
     @staticmethod
-    def group(*blueprints, url_prefix="", version=None, strict_slashes=None):
+    def group(
+        *blueprints,
+        url_prefix="",
+        version=None,
+        strict_slashes=None,
+        version_prefix: str = "/v",
+    ):
         """
         Create a list of blueprints, optionally grouping them under a
         general URL prefix.
@@ -160,8 +168,6 @@ class Blueprint(BaseSanic):
             for i in nested:
                 if isinstance(i, (list, tuple)):
                     yield from chain(i)
-                elif isinstance(i, BlueprintGroup):
-                    yield from i.blueprints
                 else:
                     yield i
 
@@ -169,6 +175,7 @@ class Blueprint(BaseSanic):
             url_prefix=url_prefix,
             version=version,
             strict_slashes=strict_slashes,
+            version_prefix=version_prefix,
         )
         for bp in chain(blueprints):
             bps.append(bp)
@@ -186,6 +193,9 @@ class Blueprint(BaseSanic):
 
         self._apps.add(app)
         url_prefix = options.get("url_prefix", self.url_prefix)
+        opt_version = options.get("version", None)
+        opt_strict_slashes = options.get("strict_slashes", None)
+        opt_version_prefix = options.get("version_prefix", self.version_prefix)
 
         routes = []
         middleware = []
@@ -200,12 +210,22 @@ class Blueprint(BaseSanic):
             # Prepend the blueprint URI prefix if available
             uri = url_prefix + future.uri if url_prefix else future.uri
 
-            strict_slashes = (
-                self.strict_slashes
-                if future.strict_slashes is None
-                and self.strict_slashes is not None
-                else future.strict_slashes
+            version_prefix = self.version_prefix
+            for prefix in (
+                future.version_prefix,
+                opt_version_prefix,
+            ):
+                if prefix and prefix != "/v":
+                    version_prefix = prefix
+                    break
+
+            version = self._extract_value(
+                future.version, opt_version, self.version
             )
+            strict_slashes = self._extract_value(
+                future.strict_slashes, opt_strict_slashes, self.strict_slashes
+            )
+
             name = app._generate_name(future.name)
 
             apply_route = FutureRoute(
@@ -215,13 +235,14 @@ class Blueprint(BaseSanic):
                 future.host or self.host,
                 strict_slashes,
                 future.stream,
-                future.version or self.version,
+                version,
                 name,
                 future.ignore_body,
                 future.websocket,
                 future.subprotocols,
                 future.unquote,
                 future.static,
+                version_prefix,
             )
 
             route = app._apply_route(apply_route)
@@ -258,8 +279,6 @@ class Blueprint(BaseSanic):
             app._apply_signal(signal)
 
         self.routes = [route for route in routes if isinstance(route, Route)]
-
-        # Deprecate these in 21.6
         self.websocket_routes = [
             route for route in self.routes if route.ctx.websocket
         ]
@@ -288,3 +307,12 @@ class Blueprint(BaseSanic):
             return_when=asyncio.FIRST_COMPLETED,
             timeout=timeout,
         )
+
+    @staticmethod
+    def _extract_value(*values):
+        value = values[-1]
+        for v in values:
+            if v is not None:
+                value = v
+                break
+        return value

sanic/config.py

@@ -1,7 +1,10 @@
 from inspect import isclass
 from os import environ
 from pathlib import Path
-from typing import Any, Union
+from typing import Any, Dict, Optional, Union
+from warnings import warn
+
+from sanic.http import Http
 
 from .utils import load_module_from_file_location, str_to_bool
 
@@ -15,33 +18,64 @@ BASE_LOGO = """
 """
 
 DEFAULT_CONFIG = {
-    "REQUEST_MAX_SIZE": 100000000,  # 100 megabytes
-    "REQUEST_BUFFER_QUEUE_SIZE": 100,
+    "ACCESS_LOG": True,
+    "EVENT_AUTOREGISTER": False,
+    "FALLBACK_ERROR_FORMAT": "html",
+    "FORWARDED_FOR_HEADER": "X-Forwarded-For",
+    "FORWARDED_SECRET": None,
+    "GRACEFUL_SHUTDOWN_TIMEOUT": 15.0,  # 15 sec
+    "KEEP_ALIVE_TIMEOUT": 5,  # 5 seconds
+    "KEEP_ALIVE": True,
+    "PROXIES_COUNT": None,
+    "REAL_IP_HEADER": None,
+    "REGISTER": True,
     "REQUEST_BUFFER_SIZE": 65536,  # 64 KiB
+    "REQUEST_MAX_HEADER_SIZE": 8192,  # 8 KiB, but cannot exceed 16384
+    "REQUEST_ID_HEADER": "X-Request-ID",
+    "REQUEST_MAX_SIZE": 100000000,  # 100 megabytes
     "REQUEST_TIMEOUT": 60,  # 60 seconds
     "RESPONSE_TIMEOUT": 60,  # 60 seconds
-    "KEEP_ALIVE": True,
-    "KEEP_ALIVE_TIMEOUT": 5,  # 5 seconds
-    "WEBSOCKET_MAX_SIZE": 2 ** 20,  # 1 megabyte
     "WEBSOCKET_MAX_QUEUE": 32,
+    "WEBSOCKET_MAX_SIZE": 2 ** 20,  # 1 megabyte
+    "WEBSOCKET_PING_INTERVAL": 20,
+    "WEBSOCKET_PING_TIMEOUT": 20,
     "WEBSOCKET_READ_LIMIT": 2 ** 16,
     "WEBSOCKET_WRITE_LIMIT": 2 ** 16,
-    "WEBSOCKET_PING_TIMEOUT": 20,
-    "WEBSOCKET_PING_INTERVAL": 20,
-    "GRACEFUL_SHUTDOWN_TIMEOUT": 15.0,  # 15 sec
-    "ACCESS_LOG": True,
-    "FORWARDED_SECRET": None,
-    "REAL_IP_HEADER": None,
-    "PROXIES_COUNT": None,
-    "FORWARDED_FOR_HEADER": "X-Forwarded-For",
-    "REQUEST_ID_HEADER": "X-Request-ID",
-    "FALLBACK_ERROR_FORMAT": "html",
-    "REGISTER": True,
 }
 
 
 class Config(dict):
-    def __init__(self, defaults=None, load_env=True, keep_alive=None):
+    ACCESS_LOG: bool
+    EVENT_AUTOREGISTER: bool
+    FALLBACK_ERROR_FORMAT: str
+    FORWARDED_FOR_HEADER: str
+    FORWARDED_SECRET: Optional[str]
+    GRACEFUL_SHUTDOWN_TIMEOUT: float
+    KEEP_ALIVE_TIMEOUT: int
+    KEEP_ALIVE: bool
+    PROXIES_COUNT: Optional[int]
+    REAL_IP_HEADER: Optional[str]
+    REGISTER: bool
+    REQUEST_BUFFER_SIZE: int
+    REQUEST_MAX_HEADER_SIZE: int
+    REQUEST_ID_HEADER: str
+    REQUEST_MAX_SIZE: int
+    REQUEST_TIMEOUT: int
+    RESPONSE_TIMEOUT: int
+    WEBSOCKET_MAX_QUEUE: int
+    WEBSOCKET_MAX_SIZE: int
+    WEBSOCKET_PING_INTERVAL: int
+    WEBSOCKET_PING_TIMEOUT: int
+    WEBSOCKET_READ_LIMIT: int
+    WEBSOCKET_WRITE_LIMIT: int
+
+    def __init__(
+        self,
+        defaults: Dict[str, Union[str, bool, int, float, None]] = None,
+        load_env: Optional[Union[bool, str]] = True,
+        env_prefix: Optional[str] = SANIC_PREFIX,
+        keep_alive: Optional[bool] = None,
+    ):
         defaults = defaults or {}
         super().__init__({**DEFAULT_CONFIG, **defaults})
 
@@ -50,9 +84,22 @@ class Config(dict):
         if keep_alive is not None:
             self.KEEP_ALIVE = keep_alive
 
-        if load_env:
-            prefix = SANIC_PREFIX if load_env is True else load_env
-            self.load_environment_vars(prefix=prefix)
+        if env_prefix != SANIC_PREFIX:
+            if env_prefix:
+                self.load_environment_vars(env_prefix)
+        elif load_env is not True:
+            if load_env:
+                self.load_environment_vars(prefix=load_env)
+            warn(
+                "Use of load_env is deprecated and will be removed in "
+                "21.12. Modify the configuration prefix by passing "
+                "env_prefix instead.",
+                DeprecationWarning,
+            )
+        else:
+            self.load_environment_vars(SANIC_PREFIX)
+
+        self._configure_header_size()
 
     def __getattr__(self, attr):
         try:
@@ -62,6 +109,19 @@ class Config(dict):
 
     def __setattr__(self, attr, value):
         self[attr] = value
+        if attr in (
+            "REQUEST_MAX_HEADER_SIZE",
+            "REQUEST_BUFFER_SIZE",
+            "REQUEST_MAX_SIZE",
+        ):
+            self._configure_header_size()
+
+    def _configure_header_size(self):
+        Http.set_header_max_size(
+            self.REQUEST_MAX_HEADER_SIZE,
+            self.REQUEST_BUFFER_SIZE - 4096,
+            self.REQUEST_MAX_SIZE,
+        )
 
     def load_environment_vars(self, prefix=SANIC_PREFIX):
         """

sanic/constants.py

@@ -1,2 +1,28 @@
-HTTP_METHODS = ("GET", "POST", "PUT", "HEAD", "OPTIONS", "PATCH", "DELETE")
+from enum import Enum, auto
+
+
+class HTTPMethod(str, Enum):
+    def _generate_next_value_(name, start, count, last_values):
+        return name.upper()
+
+    def __eq__(self, value: object) -> bool:
+        value = str(value).upper()
+        return super().__eq__(value)
+
+    def __hash__(self) -> int:
+        return hash(self.value)
+
+    def __str__(self) -> str:
+        return self.value
+
+    GET = auto()
+    POST = auto()
+    PUT = auto()
+    HEAD = auto()
+    OPTIONS = auto()
+    PATCH = auto()
+    DELETE = auto()
+
+
+HTTP_METHODS = tuple(HTTPMethod.__members__.values())
 DEFAULT_HTTP_CONTENT_TYPE = "application/octet-stream"

sanic/errorpages.py

@@ -366,7 +366,7 @@ def exception_response(
                 except InvalidUsage:
                     renderer = HTMLRenderer
 
-                content_type, *_ = request.headers.get(
+                content_type, *_ = request.headers.getone(
                     "content-type", ""
                 ).split(";")
                 renderer = RENDERERS_BY_CONTENT_TYPE.get(

sanic/exceptions.py

@@ -3,26 +3,18 @@ from typing import Optional, Union
 from sanic.helpers import STATUS_CODES
 
 
-_sanic_exceptions = {}
-
-
-def add_status_code(code, quiet=None):
-    """
-    Decorator used for adding exceptions to :class:`SanicException`.
-    """
-
-    def class_decorator(cls):
-        cls.status_code = code
-        if quiet or quiet is None and code != 500:
-            cls.quiet = True
-        _sanic_exceptions[code] = cls
-        return cls
-
-    return class_decorator
-
-
 class SanicException(Exception):
-    def __init__(self, message, status_code=None, quiet=None):
+    def __init__(
+        self,
+        message: Optional[Union[str, bytes]] = None,
+        status_code: Optional[int] = None,
+        quiet: Optional[bool] = None,
+    ) -> None:
+
+        if message is None and status_code is not None:
+            msg: bytes = STATUS_CODES.get(status_code, b"")
+            message = msg.decode("utf8")
+
         super().__init__(message)
 
         if status_code is not None:
@@ -33,45 +25,45 @@ class SanicException(Exception):
             self.quiet = True
 
 
-@add_status_code(404)
 class NotFound(SanicException):
     """
     **Status**: 404 Not Found
     """
 
-    pass
+    status_code = 404
+    quiet = True
 
 
-@add_status_code(400)
 class InvalidUsage(SanicException):
     """
     **Status**: 400 Bad Request
     """
 
-    pass
+    status_code = 400
+    quiet = True
 
 
-@add_status_code(405)
 class MethodNotSupported(SanicException):
     """
     **Status**: 405 Method Not Allowed
     """
 
+    status_code = 405
+    quiet = True
+
     def __init__(self, message, method, allowed_methods):
         super().__init__(message)
         self.headers = {"Allow": ", ".join(allowed_methods)}
 
 
-@add_status_code(500)
 class ServerError(SanicException):
     """
     **Status**: 500 Internal Server Error
     """
 
-    pass
+    status_code = 500
 
 
-@add_status_code(503)
 class ServiceUnavailable(SanicException):
     """
     **Status**: 503 Service Unavailable
@@ -80,7 +72,8 @@ class ServiceUnavailable(SanicException):
     down for maintenance). Generally, this is a temporary state.
     """
 
-    pass
+    status_code = 503
+    quiet = True
 
 
 class URLBuildError(ServerError):
@@ -88,7 +81,7 @@ class URLBuildError(ServerError):
     **Status**: 500 Internal Server Error
     """
 
-    pass
+    status_code = 500
 
 
 class FileNotFound(NotFound):
@@ -102,7 +95,6 @@ class FileNotFound(NotFound):
         self.relative_url = relative_url
 
 
-@add_status_code(408)
 class RequestTimeout(SanicException):
     """The Web server (running the Web site) thinks that there has been too
     long an interval of time between 1) the establishment of an IP
@@ -112,16 +104,17 @@ class RequestTimeout(SanicException):
     server has 'timed out' on that particular socket connection.
     """
 
-    pass
+    status_code = 408
+    quiet = True
 
 
-@add_status_code(413)
 class PayloadTooLarge(SanicException):
     """
     **Status**: 413 Payload Too Large
     """
 
-    pass
+    status_code = 413
+    quiet = True
 
 
 class HeaderNotFound(InvalidUsage):
@@ -129,36 +122,39 @@ class HeaderNotFound(InvalidUsage):
     **Status**: 400 Bad Request
     """
 
-    pass
+    status_code = 400
+    quiet = True
 
 
-@add_status_code(416)
 class ContentRangeError(SanicException):
     """
     **Status**: 416 Range Not Satisfiable
     """
 
+    status_code = 416
+    quiet = True
+
     def __init__(self, message, content_range):
         super().__init__(message)
         self.headers = {"Content-Range": f"bytes */{content_range.total}"}
 
 
-@add_status_code(417)
 class HeaderExpectationFailed(SanicException):
     """
     **Status**: 417 Expectation Failed
     """
 
-    pass
+    status_code = 417
+    quiet = True
 
 
-@add_status_code(403)
 class Forbidden(SanicException):
     """
     **Status**: 403 Forbidden
     """
 
-    pass
+    status_code = 403
+    quiet = True
 
 
 class InvalidRangeType(ContentRangeError):
@@ -166,7 +162,8 @@ class InvalidRangeType(ContentRangeError):
     **Status**: 416 Range Not Satisfiable
     """
 
-    pass
+    status_code = 416
+    quiet = True
 
 
 class PyFileError(Exception):
@@ -174,7 +171,6 @@ class PyFileError(Exception):
         super().__init__("could not execute config file %s", file)
 
 
-@add_status_code(401)
 class Unauthorized(SanicException):
     """
     **Status**: 401 Unauthorized
@@ -210,6 +206,9 @@ class Unauthorized(SanicException):
                            realm="Restricted Area")
     """
 
+    status_code = 401
+    quiet = True
+
     def __init__(self, message, status_code=None, scheme=None, **kwargs):
         super().__init__(message, status_code)
 
@@ -241,9 +240,13 @@ def abort(status_code: int, message: Optional[Union[str, bytes]] = None):
     :param status_code: The HTTP status code to return.
     :param message: The HTTP response body. Defaults to the messages in
     """
-    if message is None:
-        msg: bytes = STATUS_CODES[status_code]
-        # These are stored as bytes in the STATUS_CODES dict
-        message = msg.decode("utf8")
-    sanic_exception = _sanic_exceptions.get(status_code, SanicException)
-    raise sanic_exception(message=message, status_code=status_code)
+    import warnings
+
+    warnings.warn(
+        "sanic.exceptions.abort has been marked as deprecated, and will be "
+        "removed in release 21.12.\n To migrate your code, simply replace "
+        "abort(status_code, msg) with raise SanicException(msg, status_code), "
+        "or even better, raise an appropriate SanicException subclass."
+    )
+
+    raise SanicException(message=message, status_code=status_code)

sanic/handlers.py

@@ -6,7 +6,7 @@ from sanic.exceptions import (
     HeaderNotFound,
     InvalidRangeType,
 )
-from sanic.log import logger
+from sanic.log import error_logger
 from sanic.response import text
 
 
@@ -25,7 +25,6 @@ class ErrorHandler:
 
     handlers = None
     cached_handlers = None
-    _missing = object()
 
     def __init__(self):
         self.handlers = []
@@ -45,7 +44,9 @@ class ErrorHandler:
 
         :return: None
         """
+        # self.handlers to be deprecated and removed in version 21.12
         self.handlers.append((exception, handler))
+        self.cached_handlers[exception] = handler
 
     def lookup(self, exception):
         """
@@ -61,14 +62,19 @@ class ErrorHandler:
 
         :return: Registered function if found ``None`` otherwise
         """
-        handler = self.cached_handlers.get(type(exception), self._missing)
-        if handler is self._missing:
-            for exception_class, handler in self.handlers:
-                if isinstance(exception, exception_class):
-                    self.cached_handlers[type(exception)] = handler
-                    return handler
-            self.cached_handlers[type(exception)] = None
-            handler = None
+        exception_class = type(exception)
+        if exception_class in self.cached_handlers:
+            return self.cached_handlers[exception_class]
+
+        for ancestor in type.mro(exception_class):
+            if ancestor in self.cached_handlers:
+                handler = self.cached_handlers[ancestor]
+                self.cached_handlers[exception_class] = handler
+                return handler
+            if ancestor is BaseException:
+                break
+        self.cached_handlers[exception_class] = None
+        handler = None
         return handler
 
     def response(self, request, exception):
@@ -101,7 +107,7 @@ class ErrorHandler:
             response_message = (
                 "Exception raised in exception handler " '"%s" for uri: %s'
             )
-            logger.exception(response_message, handler.__name__, url)
+            error_logger.exception(response_message, handler.__name__, url)
 
             if self.debug:
                 return text(response_message % (handler.__name__, url), 500)
@@ -137,7 +143,9 @@ class ErrorHandler:
                 url = "unknown"
 
             self.log(format_exc())
-            logger.exception("Exception occurred while handling uri: %s", url)
+            error_logger.exception(
+                "Exception occurred while handling uri: %s", url
+            )
 
         return exception_response(request, exception, self.debug)
 
@@ -165,7 +173,7 @@ class ContentRangeHandler:
 
     def __init__(self, request, stats):
         self.total = stats.st_size
-        _range = request.headers.get("Range")
+        _range = request.headers.getone("range", None)
         if _range is None:
             raise HeaderNotFound("Range Header Not Found")
         unit, _, value = tuple(map(str.strip, _range.partition("=")))

sanic/headers.py

@@ -102,7 +102,7 @@ def parse_xforwarded(headers, config) -> Optional[Options]:
     """Parse traditional proxy headers."""
     real_ip_header = config.REAL_IP_HEADER
     proxies_count = config.PROXIES_COUNT
-    addr = real_ip_header and headers.get(real_ip_header)
+    addr = real_ip_header and headers.getone(real_ip_header, None)
     if not addr and proxies_count:
         assert proxies_count > 0
         try:
@@ -131,7 +131,7 @@ def parse_xforwarded(headers, config) -> Optional[Options]:
             ("port", "x-forwarded-port"),
             ("path", "x-forwarded-path"),
         ):
-            yield key, headers.get(header)
+            yield key, headers.getone(header, None)
 
     return fwd_normalize(options())
 

sanic/http.py

@@ -20,7 +20,7 @@ from sanic.exceptions import (
 )
 from sanic.headers import format_http1_response
 from sanic.helpers import has_message_body
-from sanic.log import access_logger, logger
+from sanic.log import access_logger, error_logger, logger
 
 
 class Stage(Enum):
@@ -64,6 +64,9 @@ class Http:
     :raises RuntimeError:
     """
 
+    HEADER_CEILING = 16_384
+    HEADER_MAX_SIZE = 0
+
     __slots__ = [
         "_send",
         "_receive_more",
@@ -82,6 +85,7 @@ class Http:
         "request_max_size",
         "response",
         "response_func",
+        "response_size",
         "response_bytes_left",
         "upgrade_websocket",
     ]
@@ -91,19 +95,23 @@ class Http:
         self._receive_more = protocol.receive_more
         self.recv_buffer = protocol.recv_buffer
         self.protocol = protocol
-        self.expecting_continue: bool = False
+        self.keep_alive = True
         self.stage: Stage = Stage.IDLE
+        self.init_for_request()
+
+    def init_for_request(self):
+        """Init/reset all per-request variables."""
+        self.exception = None
+        self.expecting_continue: bool = False
+        self.head_only = None
         self.request_body = None
         self.request_bytes = None
         self.request_bytes_left = None
-        self.request_max_size = protocol.request_max_size
-        self.keep_alive = True
-        self.head_only = None
+        self.request_max_size = self.protocol.request_max_size
         self.request: Request = None
         self.response: BaseHTTPResponse = None
-        self.exception = None
-        self.url = None
         self.upgrade_websocket = False
+        self.url = None
 
     def __bool__(self):
         """Test if request handling is in progress"""
@@ -143,8 +151,11 @@ class Http:
             # Try to consume any remaining request body
             if self.request_body:
                 if self.response and 200 <= self.response.status < 300:
-                    logger.error(f"{self.request} body not consumed.")
-
+                    error_logger.error(f"{self.request} body not consumed.")
+                # Limit the size because the handler may have set it infinite
+                self.request_max_size = min(
+                    self.request_max_size, self.protocol.request_max_size
+                )
                 try:
                     async for _ in self:
                         pass
@@ -156,11 +167,19 @@ class Http:
                     await sleep(0.001)
                     self.keep_alive = False
 
+            # Clean up to free memory and for the next request
+            if self.request:
+                self.request.stream = None
+                if self.response:
+                    self.response.stream = None
+
+            self.init_for_request()
+
             # Exit and disconnect if no more requests can be taken
             if self.stage is not Stage.IDLE or not self.keep_alive:
                 break
 
-            # Wait for next request
+            # Wait for the next request
             if not self.recv_buffer:
                 await self._receive_more()
 
@@ -168,7 +187,6 @@ class Http:
         """
         Receive and parse request header into self.request.
         """
-        HEADER_MAX_SIZE = min(8192, self.request_max_size)
         # Receive until full header is in buffer
         buf = self.recv_buffer
         pos = 0
@@ -179,12 +197,12 @@ class Http:
                 break
 
             pos = max(0, len(buf) - 3)
-            if pos >= HEADER_MAX_SIZE:
+            if pos >= self.HEADER_MAX_SIZE:
                 break
 
             await self._receive_more()
 
-        if pos >= HEADER_MAX_SIZE:
+        if pos >= self.HEADER_MAX_SIZE:
             raise PayloadTooLarge("Request header exceeds the size limit")
 
         # Parse header content
@@ -218,7 +236,9 @@ class Http:
             raise InvalidUsage("Bad Request")
 
         headers_instance = Header(headers)
-        self.upgrade_websocket = headers_instance.get("upgrade") == "websocket"
+        self.upgrade_websocket = (
+            headers_instance.getone("upgrade", "").lower() == "websocket"
+        )
 
         # Prepare a Request object
         request = self.protocol.request_class(
@@ -235,7 +255,7 @@ class Http:
         self.request_bytes_left = self.request_bytes = 0
         if request_body:
             headers = request.headers
-            expect = headers.get("expect")
+            expect = headers.getone("expect", None)
 
             if expect is not None:
                 if expect.lower() == "100-continue":
@@ -243,7 +263,7 @@ class Http:
                 else:
                     raise HeaderExpectationFailed(f"Unknown Expect: {expect}")
 
-            if headers.get("transfer-encoding") == "chunked":
+            if headers.getone("transfer-encoding", None) == "chunked":
                 self.request_body = "chunked"
                 pos -= 2  # One CRLF stays in buffer
             else:
@@ -270,6 +290,7 @@ class Http:
         size = len(data)
         headers = res.headers
         status = res.status
+        self.response_size = size
 
         if not isinstance(status, int) or status < 200:
             raise RuntimeError(f"Invalid response status {status!r}")
@@ -424,7 +445,9 @@ class Http:
         req, res = self.request, self.response
         extra = {
             "status": getattr(res, "status", 0),
-            "byte": getattr(self, "response_bytes_left", -1),
+            "byte": getattr(
+                self, "response_bytes_left", getattr(self, "response_size", -1)
+            ),
             "host": "UNKNOWN",
             "request": "nil",
         }
@@ -478,8 +501,6 @@ class Http:
                 self.keep_alive = False
                 raise InvalidUsage("Bad chunked encoding")
 
-            del buf[: pos + 2]
-
             if size <= 0:
                 self.request_body = None
 
@@ -487,8 +508,17 @@ class Http:
                     self.keep_alive = False
                     raise InvalidUsage("Bad chunked encoding")
 
+                # Consume CRLF, chunk size 0 and the two CRLF that follow
+                pos += 4
+                # Might need to wait for the final CRLF
+                while len(buf) < pos:
+                    await self._receive_more()
+                del buf[:pos]
                 return None
 
+            # Remove CRLF, chunk size and the CRLF that follows
+            del buf[: pos + 2]
+
             self.request_bytes_left = size
             self.request_bytes += size
 
@@ -535,3 +565,10 @@ class Http:
     @property
     def send(self):
         return self.response_func
+
+    @classmethod
+    def set_header_max_size(cls, *sizes: int):
+        cls.HEADER_MAX_SIZE = min(
+            *sizes,
+            cls.HEADER_CEILING,
+        )

sanic/mixins/listeners.py

@@ -35,7 +35,7 @@ class ListenerMixin:
         """
         Create a listener from a decorated function.
 
-        To be used as a deocrator:
+        To be used as a decorator:
 
         .. code-block:: python
 

sanic/mixins/routes.py

@@ -26,10 +26,11 @@ from sanic.views import CompositionView
 
 
 class RouteMixin:
+    name: str
+
     def __init__(self, *args, **kwargs) -> None:
         self._future_routes: Set[FutureRoute] = set()
         self._future_statics: Set[FutureStatic] = set()
-        self.name = ""
         self.strict_slashes: Optional[bool] = False
 
     def _apply_route(self, route: FutureRoute) -> List[Route]:
@@ -45,7 +46,7 @@ class RouteMixin:
         host: Optional[str] = None,
         strict_slashes: Optional[bool] = None,
         stream: bool = False,
-        version: Optional[int] = None,
+        version: Optional[Union[int, str, float]] = None,
         name: Optional[str] = None,
         ignore_body: bool = False,
         apply: bool = True,
@@ -53,6 +54,7 @@ class RouteMixin:
         websocket: bool = False,
         unquote: bool = False,
         static: bool = False,
+        version_prefix: str = "/v",
     ):
         """
         Decorate a function to be registered as a route
@@ -66,6 +68,8 @@ class RouteMixin:
         :param name: user defined route name for url_for
         :param ignore_body: whether the handler should ignore request
             body (eg. GET requests)
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: tuple of routes, decorated function
         """
 
@@ -92,6 +96,7 @@ class RouteMixin:
             nonlocal subprotocols
             nonlocal websocket
             nonlocal static
+            nonlocal version_prefix
 
             if isinstance(handler, tuple):
                 # if a handler fn is already wrapped in a route, the handler
@@ -128,6 +133,7 @@ class RouteMixin:
                 subprotocols,
                 unquote,
                 static,
+                version_prefix,
             )
 
             self._future_routes.add(route)
@@ -154,7 +160,9 @@ class RouteMixin:
             if apply:
                 self._apply_route(route)
 
-            return route, handler
+            if static:
+                return route, handler
+            return handler
 
         return decorator
 
@@ -168,6 +176,7 @@ class RouteMixin:
         version: Optional[int] = None,
         name: Optional[str] = None,
         stream: bool = False,
+        version_prefix: str = "/v",
     ):
         """A helper method to register class instance or
         functions as a handler to the application url
@@ -182,6 +191,8 @@ class RouteMixin:
         :param version:
         :param name: user defined route name for url_for
         :param stream: boolean specifying if the handler is a stream handler
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: function or class instance
         """
         # Handle HTTPMethodView differently
@@ -214,6 +225,7 @@ class RouteMixin:
             stream=stream,
             version=version,
             name=name,
+            version_prefix=version_prefix,
         )(handler)
         return handler
 
@@ -226,6 +238,7 @@ class RouteMixin:
         version: Optional[int] = None,
         name: Optional[str] = None,
         ignore_body: bool = True,
+        version_prefix: str = "/v",
     ):
         """
         Add an API URL under the **GET** *HTTP* method
@@ -236,6 +249,8 @@ class RouteMixin:
             URLs need to terminate with a */*
         :param version: API Version
         :param name: Unique name that can be used to identify the Route
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Object decorated with :func:`route` method
         """
         return self.route(
@@ -246,6 +261,7 @@ class RouteMixin:
             version=version,
             name=name,
             ignore_body=ignore_body,
+            version_prefix=version_prefix,
         )
 
     def post(
@@ -256,6 +272,7 @@ class RouteMixin:
         stream: bool = False,
         version: Optional[int] = None,
         name: Optional[str] = None,
+        version_prefix: str = "/v",
     ):
         """
         Add an API URL under the **POST** *HTTP* method
@@ -266,6 +283,8 @@ class RouteMixin:
             URLs need to terminate with a */*
         :param version: API Version
         :param name: Unique name that can be used to identify the Route
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Object decorated with :func:`route` method
         """
         return self.route(
@@ -276,6 +295,7 @@ class RouteMixin:
             stream=stream,
             version=version,
             name=name,
+            version_prefix=version_prefix,
         )
 
     def put(
@@ -286,6 +306,7 @@ class RouteMixin:
         stream: bool = False,
         version: Optional[int] = None,
         name: Optional[str] = None,
+        version_prefix: str = "/v",
     ):
         """
         Add an API URL under the **PUT** *HTTP* method
@@ -296,6 +317,8 @@ class RouteMixin:
             URLs need to terminate with a */*
         :param version: API Version
         :param name: Unique name that can be used to identify the Route
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Object decorated with :func:`route` method
         """
         return self.route(
@@ -306,6 +329,7 @@ class RouteMixin:
             stream=stream,
             version=version,
             name=name,
+            version_prefix=version_prefix,
         )
 
     def head(
@@ -316,6 +340,7 @@ class RouteMixin:
         version: Optional[int] = None,
         name: Optional[str] = None,
         ignore_body: bool = True,
+        version_prefix: str = "/v",
     ):
         """
         Add an API URL under the **HEAD** *HTTP* method
@@ -334,6 +359,8 @@ class RouteMixin:
         :param ignore_body: whether the handler should ignore request
             body (eg. GET requests), defaults to True
         :type ignore_body: bool, optional
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Object decorated with :func:`route` method
         """
         return self.route(
@@ -344,6 +371,7 @@ class RouteMixin:
             version=version,
             name=name,
             ignore_body=ignore_body,
+            version_prefix=version_prefix,
         )
 
     def options(
@@ -354,6 +382,7 @@ class RouteMixin:
         version: Optional[int] = None,
         name: Optional[str] = None,
         ignore_body: bool = True,
+        version_prefix: str = "/v",
     ):
         """
         Add an API URL under the **OPTIONS** *HTTP* method
@@ -372,6 +401,8 @@ class RouteMixin:
         :param ignore_body: whether the handler should ignore request
             body (eg. GET requests), defaults to True
         :type ignore_body: bool, optional
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Object decorated with :func:`route` method
         """
         return self.route(
@@ -382,6 +413,7 @@ class RouteMixin:
             version=version,
             name=name,
             ignore_body=ignore_body,
+            version_prefix=version_prefix,
         )
 
     def patch(
@@ -392,6 +424,7 @@ class RouteMixin:
         stream=False,
         version: Optional[int] = None,
         name: Optional[str] = None,
+        version_prefix: str = "/v",
     ):
         """
         Add an API URL under the **PATCH** *HTTP* method
@@ -412,6 +445,8 @@ class RouteMixin:
         :param ignore_body: whether the handler should ignore request
             body (eg. GET requests), defaults to True
         :type ignore_body: bool, optional
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Object decorated with :func:`route` method
         """
         return self.route(
@@ -422,6 +457,7 @@ class RouteMixin:
             stream=stream,
             version=version,
             name=name,
+            version_prefix=version_prefix,
         )
 
     def delete(
@@ -432,6 +468,7 @@ class RouteMixin:
         version: Optional[int] = None,
         name: Optional[str] = None,
         ignore_body: bool = True,
+        version_prefix: str = "/v",
     ):
         """
         Add an API URL under the **DELETE** *HTTP* method
@@ -442,6 +479,8 @@ class RouteMixin:
             URLs need to terminate with a */*
         :param version: API Version
         :param name: Unique name that can be used to identify the Route
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Object decorated with :func:`route` method
         """
         return self.route(
@@ -452,6 +491,7 @@ class RouteMixin:
             version=version,
             name=name,
             ignore_body=ignore_body,
+            version_prefix=version_prefix,
         )
 
     def websocket(
@@ -463,6 +503,7 @@ class RouteMixin:
         version: Optional[int] = None,
         name: Optional[str] = None,
         apply: bool = True,
+        version_prefix: str = "/v",
     ):
         """
         Decorate a function to be registered as a websocket route
@@ -474,6 +515,8 @@ class RouteMixin:
         :param subprotocols: optional list of str with supported subprotocols
         :param name: A unique name assigned to the URL so that it can
                      be used with :func:`url_for`
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: tuple of routes, decorated function
         """
         return self.route(
@@ -486,6 +529,7 @@ class RouteMixin:
             apply=apply,
             subprotocols=subprotocols,
             websocket=True,
+            version_prefix=version_prefix,
         )
 
     def add_websocket_route(
@@ -497,6 +541,7 @@ class RouteMixin:
         subprotocols=None,
         version: Optional[int] = None,
         name: Optional[str] = None,
+        version_prefix: str = "/v",
     ):
         """
         A helper method to register a function as a websocket route.
@@ -513,6 +558,8 @@ class RouteMixin:
                 handshake
         :param name: A unique name assigned to the URL so that it can
                 be used with :func:`url_for`
+        :param version_prefix: URL path that should be before the version
+            value; default: ``/v``
         :return: Objected decorated by :func:`websocket`
         """
         return self.websocket(
@@ -522,6 +569,7 @@ class RouteMixin:
             subprotocols=subprotocols,
             version=version,
             name=name,
+            version_prefix=version_prefix,
         )(handler)
 
     def static(
@@ -665,7 +713,10 @@ class RouteMixin:
                 modified_since = strftime(
                     "%a, %d %b %Y %H:%M:%S GMT", gmtime(stats.st_mtime)
                 )
-                if request.headers.get("If-Modified-Since") == modified_since:
+                if (
+                    request.headers.getone("if-modified-since", None)
+                    == modified_since
+                ):
                     return HTTPResponse(status=304)
                 headers["Last-Modified"] = modified_since
             _range = None
@@ -718,16 +769,18 @@ class RouteMixin:
                 return await file(file_path, headers=headers, _range=_range)
         except ContentRangeError:
             raise
-        except Exception:
-            error_logger.exception(
-                f"File not found: path={file_or_directory}, "
-                f"relative_url={__file_uri__}"
-            )
+        except FileNotFoundError:
             raise FileNotFound(
                 "File not found",
                 path=file_or_directory,
                 relative_url=__file_uri__,
             )
+        except Exception:
+            error_logger.exception(
+                f"Exception in static request handler:\
+ path={file_or_directory}, "
+                f"relative_url={__file_uri__}"
+            )
 
     def _register_static(
         self,

sanic/mixins/signals.py

@@ -1,4 +1,4 @@
-from typing import Any, Callable, Dict, Set
+from typing import Any, Callable, Dict, Optional, Set
 
 from sanic.models.futures import FutureSignal
 from sanic.models.handler_types import SignalHandler
@@ -60,10 +60,16 @@ class SignalMixin:
 
     def add_signal(
         self,
-        handler,
+        handler: Optional[Callable[..., Any]],
         event: str,
         condition: Dict[str, Any] = None,
     ):
+        if not handler:
+
+            async def noop():
+                ...
+
+            handler = noop
         self.signal(event=event, condition=condition)(handler)
         return handler
 

sanic/models/futures.py

@@ -23,6 +23,7 @@ class FutureRoute(NamedTuple):
     subprotocols: Optional[List[str]]
     unquote: bool
     static: bool
+    version_prefix: str
 
 
 class FutureListener(NamedTuple):

sanic/reloader_helpers.py

@@ -1,3 +1,4 @@
+import itertools
 import os
 import signal
 import subprocess
@@ -5,6 +6,9 @@ import sys
 
 from time import sleep
 
+from sanic.config import BASE_LOGO
+from sanic.log import logger
+
 
 def _iter_module_files():
     """This iterates over all relevant Python files.
@@ -56,7 +60,21 @@ def restart_with_reloader():
     )
 
 
-def watchdog(sleep_interval):
+def _check_file(filename, mtimes):
+    need_reload = False
+
+    mtime = os.stat(filename).st_mtime
+    old_time = mtimes.get(filename)
+    if old_time is None:
+        mtimes[filename] = mtime
+    elif mtime > old_time:
+        mtimes[filename] = mtime
+        need_reload = True
+
+    return need_reload
+
+
+def watchdog(sleep_interval, app):
     """Watch project files, restart worker process if a change happened.
 
     :param sleep_interval: interval in second.
@@ -73,21 +91,25 @@ def watchdog(sleep_interval):
 
     worker_process = restart_with_reloader()
 
+    if app.config.LOGO:
+        logger.debug(
+            app.config.LOGO if isinstance(app.config.LOGO, str) else BASE_LOGO
+        )
+
     try:
         while True:
             need_reload = False
 
-            for filename in _iter_module_files():
+            for filename in itertools.chain(
+                _iter_module_files(),
+                *(d.glob("**/*") for d in app.reload_dirs),
+            ):
                 try:
-                    mtime = os.stat(filename).st_mtime
+                    check = _check_file(filename, mtimes)
                 except OSError:
                     continue
 
-                old_time = mtimes.get(filename)
-                if old_time is None:
-                    mtimes[filename] = mtime
-                elif mtime > old_time:
-                    mtimes[filename] = mtime
+                if check:
                     need_reload = True
 
             if need_reload:

sanic/request.py

@@ -125,7 +125,7 @@ class Request:
         self._name: Optional[str] = None
         self.app = app
 
-        self.headers = headers
+        self.headers = Header(headers)
         self.version = version
         self.method = method
         self.transport = transport
@@ -262,7 +262,7 @@ class Request:
             app = Sanic("MyApp", request_class=IntRequest)
         """
         if not self._id:
-            self._id = self.headers.get(
+            self._id = self.headers.getone(
                 self.app.config.REQUEST_ID_HEADER,
                 self.__class__.generate_id(self),  # type: ignore
             )
@@ -303,7 +303,7 @@ class Request:
         :return: token related to request
         """
         prefixes = ("Bearer", "Token")
-        auth_header = self.headers.get("Authorization")
+        auth_header = self.headers.getone("authorization", None)
 
         if auth_header is not None:
             for prefix in prefixes:
@@ -317,8 +317,8 @@ class Request:
         if self.parsed_form is None:
             self.parsed_form = RequestParameters()
             self.parsed_files = RequestParameters()
-            content_type = self.headers.get(
-                "Content-Type", DEFAULT_HTTP_CONTENT_TYPE
+            content_type = self.headers.getone(
+                "content-type", DEFAULT_HTTP_CONTENT_TYPE
             )
             content_type, parameters = parse_content_header(content_type)
             try:
@@ -378,9 +378,12 @@ class Request:
         :type errors: str
         :return: RequestParameters
         """
-        if not self.parsed_args[
-            (keep_blank_values, strict_parsing, encoding, errors)
-        ]:
+        if (
+            keep_blank_values,
+            strict_parsing,
+            encoding,
+            errors,
+        ) not in self.parsed_args:
             if self.query_string:
                 self.parsed_args[
                     (keep_blank_values, strict_parsing, encoding, errors)
@@ -434,9 +437,12 @@ class Request:
         :type errors: str
         :return: list
         """
-        if not self.parsed_not_grouped_args[
-            (keep_blank_values, strict_parsing, encoding, errors)
-        ]:
+        if (
+            keep_blank_values,
+            strict_parsing,
+            encoding,
+            errors,
+        ) not in self.parsed_not_grouped_args:
             if self.query_string:
                 self.parsed_not_grouped_args[
                     (keep_blank_values, strict_parsing, encoding, errors)
@@ -465,7 +471,7 @@ class Request:
         """
 
         if self._cookies is None:
-            cookie = self.headers.get("Cookie")
+            cookie = self.headers.getone("cookie", None)
             if cookie is not None:
                 cookies: SimpleCookie = SimpleCookie()
                 cookies.load(cookie)
@@ -482,7 +488,7 @@ class Request:
         :return: Content-Type header form the request
         :rtype: str
         """
-        return self.headers.get("Content-Type", DEFAULT_HTTP_CONTENT_TYPE)
+        return self.headers.getone("content-type", DEFAULT_HTTP_CONTENT_TYPE)
 
     @property
     def match_info(self):
@@ -499,7 +505,7 @@ class Request:
         :return: peer ip of the socket
         :rtype: str
         """
-        return self.conn_info.client if self.conn_info else ""
+        return self.conn_info.client_ip if self.conn_info else ""
 
     @property
     def port(self) -> int:
@@ -581,7 +587,7 @@ class Request:
 
         if (
             self.app.websocket_enabled
-            and self.headers.get("upgrade") == "websocket"
+            and self.headers.getone("upgrade", "").lower() == "websocket"
         ):
             scheme = "ws"
         else:
@@ -608,7 +614,9 @@ class Request:
         server_name = self.app.config.get("SERVER_NAME")
         if server_name:
             return server_name.split("//", 1)[-1].split("/", 1)[0]
-        return str(self.forwarded.get("host") or self.headers.get("host", ""))
+        return str(
+            self.forwarded.get("host") or self.headers.getone("host", "")
+        )
 
     @property
     def server_name(self) -> str:

sanic/response.py

@@ -143,7 +143,7 @@ class StreamingHTTPResponse(BaseHTTPResponse):
 
     .. warning::
 
-        **Deprecated** and set for removal in v21.6. You can now achieve the
+        **Deprecated** and set for removal in v21.12. You can now achieve the
         same functionality without a callback.
 
         .. code-block:: python
@@ -174,12 +174,16 @@ class StreamingHTTPResponse(BaseHTTPResponse):
         status: int = 200,
         headers: Optional[Union[Header, Dict[str, str]]] = None,
         content_type: str = "text/plain; charset=utf-8",
-        chunked="deprecated",
+        ignore_deprecation_notice: bool = False,
     ):
-        if chunked != "deprecated":
+        if not ignore_deprecation_notice:
             warn(
-                "The chunked argument has been deprecated and will be "
-                "removed in v21.6"
+                "Use of the StreamingHTTPResponse is deprecated in v21.6, and "
+                "will be removed in v21.12. Please upgrade your streaming "
+                "response implementation. You can learn more here: "
+                "https://sanicframework.org/en/guide/advanced/streaming.html"
+                "#response-streaming. If you use the builtin stream() or "
+                "file_stream() methods, this upgrade will be be done for you."
             )
 
         super().__init__()
@@ -203,6 +207,9 @@ class StreamingHTTPResponse(BaseHTTPResponse):
             self.streaming_fn = None
         await super().send(*args, **kwargs)
 
+    async def eof(self):
+        raise NotImplementedError
+
 
 class HTTPResponse(BaseHTTPResponse):
     """
@@ -235,6 +242,15 @@ class HTTPResponse(BaseHTTPResponse):
         self.headers = Header(headers or {})
         self._cookies = None
 
+    async def eof(self):
+        await self.send("", True)
+
+    async def __aenter__(self):
+        return self.send
+
+    async def __aexit__(self, *_):
+        await self.eof()
+
 
 def empty(
     status=204, headers: Optional[Dict[str, str]] = None
@@ -396,7 +412,6 @@ async def file_stream(
     mime_type: Optional[str] = None,
     headers: Optional[Dict[str, str]] = None,
     filename: Optional[str] = None,
-    chunked="deprecated",
     _range: Optional[Range] = None,
 ) -> StreamingHTTPResponse:
     """Return a streaming response object with file data.
@@ -409,12 +424,6 @@ async def file_stream(
     :param chunked: Deprecated
     :param _range:
     """
-    if chunked != "deprecated":
-        warn(
-            "The chunked argument has been deprecated and will be "
-            "removed in v21.6"
-        )
-
     headers = headers or {}
     if filename:
         headers.setdefault(
@@ -453,6 +462,7 @@ async def file_stream(
         status=status,
         headers=headers,
         content_type=mime_type,
+        ignore_deprecation_notice=True,
     )
 
 
@@ -461,7 +471,6 @@ def stream(
     status: int = 200,
     headers: Optional[Dict[str, str]] = None,
     content_type: str = "text/plain; charset=utf-8",
-    chunked="deprecated",
 ):
     """Accepts an coroutine `streaming_fn` which can be used to
     write chunks to a streaming response. Returns a `StreamingHTTPResponse`.
@@ -482,17 +491,12 @@ def stream(
     :param headers: Custom Headers.
     :param chunked: Deprecated
     """
-    if chunked != "deprecated":
-        warn(
-            "The chunked argument has been deprecated and will be "
-            "removed in v21.6"
-        )
-
     return StreamingHTTPResponse(
         streaming_fn,
         headers=headers,
         content_type=content_type,
         status=status,
+        ignore_deprecation_notice=True,
     )
 
 

sanic/router.py

@@ -33,7 +33,7 @@ class Router(BaseRouter):
             return self.resolve(
                 path=path,
                 method=method,
-                extra={"host": host},
+                extra={"host": host} if host else None,
             )
         except RoutingNotFound as e:
             raise NotFound("Requested URL {} not found".format(e.path))
@@ -73,6 +73,7 @@ class Router(BaseRouter):
         name: Optional[str] = None,
         unquote: bool = False,
         static: bool = False,
+        version_prefix: str = "/v",
     ) -> Union[Route, List[Route]]:
         """
         Add a handler to the router
@@ -103,12 +104,12 @@ class Router(BaseRouter):
         """
         if version is not None:
             version = str(version).strip("/").lstrip("v")
-            uri = "/".join([f"/v{version}", uri.lstrip("/")])
+            uri = "/".join([f"{version_prefix}{version}", uri.lstrip("/")])
 
         params = dict(
             path=uri,
             handler=handler,
-            methods=methods,
+            methods=frozenset(map(str, methods)) if methods else None,
             name=name,
             strict=strict_slashes,
             unquote=unquote,
@@ -161,7 +162,7 @@ class Router(BaseRouter):
 
     @property
     def routes_all(self):
-        return self.routes
+        return {route.parts: route for route in self.routes}
 
     @property
     def routes_static(self):

sanic/server.py

@@ -39,7 +39,7 @@ from sanic.compat import OS_IS_WINDOWS, ctrlc_workaround_for_windows
 from sanic.config import Config
 from sanic.exceptions import RequestTimeout, ServiceUnavailable
 from sanic.http import Http, Stage
-from sanic.log import logger
+from sanic.log import error_logger, logger
 from sanic.models.protocol_types import TransportProtocol
 from sanic.request import Request
 
@@ -65,6 +65,7 @@ class ConnInfo:
     __slots__ = (
         "client_port",
         "client",
+        "client_ip",
         "ctx",
         "peername",
         "server_port",
@@ -78,6 +79,7 @@ class ConnInfo:
         self.peername = None
         self.server = self.client = ""
         self.server_port = self.client_port = 0
+        self.client_ip = ""
         self.sockname = addr = transport.get_extra_info("sockname")
         self.ssl: bool = bool(transport.get_extra_info("sslcontext"))
 
@@ -96,6 +98,7 @@ class ConnInfo:
 
         if isinstance(addr, tuple):
             self.client = addr[0] if len(addr) == 2 else f"[{addr[0]}]"
+            self.client_ip = addr[0]
             self.client_port = addr[1]
 
 
@@ -122,7 +125,6 @@ class HttpProtocol(asyncio.Protocol):
         "response_timeout",
         "keep_alive_timeout",
         "request_max_size",
-        "request_buffer_queue_size",
         "request_class",
         "error_handler",
         # enable or disable access log purpose
@@ -165,9 +167,6 @@ class HttpProtocol(asyncio.Protocol):
         self.request_handler = self.app.handle_request
         self.error_handler = self.app.error_handler
         self.request_timeout = self.app.config.REQUEST_TIMEOUT
-        self.request_buffer_queue_size = (
-            self.app.config.REQUEST_BUFFER_QUEUE_SIZE
-        )
         self.response_timeout = self.app.config.RESPONSE_TIMEOUT
         self.keep_alive_timeout = self.app.config.KEEP_ALIVE_TIMEOUT
         self.request_max_size = self.app.config.REQUEST_MAX_SIZE
@@ -199,11 +198,11 @@ class HttpProtocol(asyncio.Protocol):
         except CancelledError:
             pass
         except Exception:
-            logger.exception("protocol.connection_task uncaught")
+            error_logger.exception("protocol.connection_task uncaught")
         finally:
             if self.app.debug and self._http:
                 ip = self.transport.get_extra_info("peername")
-                logger.error(
+                error_logger.error(
                     "Connection lost before response written"
                     f" @ {ip} {self._http.request}"
                 )
@@ -212,7 +211,7 @@ class HttpProtocol(asyncio.Protocol):
             try:
                 self.close()
             except BaseException:
-                logger.exception("Closing failed")
+                error_logger.exception("Closing failed")
 
     async def receive_more(self):
         """
@@ -258,7 +257,7 @@ class HttpProtocol(asyncio.Protocol):
                 return
             self._task.cancel()
         except Exception:
-            logger.exception("protocol.check_timeouts")
+            error_logger.exception("protocol.check_timeouts")
 
     async def send(self, data):
         """
@@ -304,7 +303,7 @@ class HttpProtocol(asyncio.Protocol):
             self.recv_buffer = bytearray()
             self.conn_info = ConnInfo(self.transport, unix=self._unix)
         except Exception:
-            logger.exception("protocol.connect_made")
+            error_logger.exception("protocol.connect_made")
 
     def connection_lost(self, exc):
         try:
@@ -313,7 +312,7 @@ class HttpProtocol(asyncio.Protocol):
             if self._task:
                 self._task.cancel()
         except Exception:
-            logger.exception("protocol.connection_lost")
+            error_logger.exception("protocol.connection_lost")
 
     def pause_writing(self):
         self._can_write.clear()
@@ -337,7 +336,7 @@ class HttpProtocol(asyncio.Protocol):
             if self._data_received:
                 self._data_received.set()
         except Exception:
-            logger.exception("protocol.data_received")
+            error_logger.exception("protocol.data_received")
 
 
 def trigger_events(events: Optional[Iterable[Callable[..., Any]]], loop):
@@ -556,7 +555,7 @@ def serve(
     try:
         http_server = loop.run_until_complete(server_coroutine)
     except BaseException:
-        logger.exception("Unable to start server")
+        error_logger.exception("Unable to start server")
         return
 
     trigger_events(after_start, loop)

sanic/signals.py

@@ -5,7 +5,7 @@ import asyncio
 from inspect import isawaitable
 from typing import Any, Dict, List, Optional, Tuple, Union
 
-from sanic_routing import BaseRouter, Route  # type: ignore
+from sanic_routing import BaseRouter, Route, RouteGroup  # type: ignore
 from sanic_routing.exceptions import NotFound  # type: ignore
 from sanic_routing.utils import path_to_parts  # type: ignore
 
@@ -20,17 +20,11 @@ RESERVED_NAMESPACES = (
 
 
 class Signal(Route):
-    def get_handler(self, raw_path, method, _):
-        method = method or self.router.DEFAULT_METHOD
-        raw_path = raw_path.lstrip(self.router.delimiter)
-        try:
-            return self.handlers[raw_path][method]
-        except (IndexError, KeyError):
-            raise self.router.method_handler_exception(
-                f"Method '{method}' not found on {self}",
-                method=method,
-                allowed_methods=set(self.methods[raw_path]),
-            )
+    ...
+
+
+class SignalGroup(RouteGroup):
+    ...
 
 
 class SignalRouter(BaseRouter):
@@ -38,6 +32,7 @@ class SignalRouter(BaseRouter):
         super().__init__(
             delimiter=".",
             route_class=Signal,
+            group_class=SignalGroup,
             stacking=True,
         )
         self.ctx.loop = None
@@ -49,7 +44,13 @@ class SignalRouter(BaseRouter):
     ):
         extra = condition or {}
         try:
-            return self.resolve(f".{event}", extra=extra)
+            group, param_basket = self.find_route(
+                f".{event}",
+                self.DEFAULT_METHOD,
+                self,
+                {"__params__": {}, "__matches__": {}},
+                extra=extra,
+            )
         except NotFound:
             message = "Could not find signal %s"
             terms: List[Union[str, Optional[Dict[str, str]]]] = [event]
@@ -58,16 +59,26 @@ class SignalRouter(BaseRouter):
                 terms.append(extra)
             raise NotFound(message % tuple(terms))
 
+        params = param_basket["__params__"]
+        if not params:
+            params = {
+                param.name: param_basket["__matches__"][idx]
+                for idx, param in group.params.items()
+            }
+
+        return group, [route.handler for route in group], params
+
     async def _dispatch(
         self,
         event: str,
         context: Optional[Dict[str, Any]] = None,
         condition: Optional[Dict[str, str]] = None,
     ) -> None:
-        signal, handlers, params = self.get(event, condition=condition)
+        group, handlers, params = self.get(event, condition=condition)
 
-        signal_event = signal.ctx.event
-        signal_event.set()
+        events = [signal.ctx.event for signal in group]
+        for signal_event in events:
+            signal_event.set()
         if context:
             params.update(context)
 
@@ -78,7 +89,8 @@ class SignalRouter(BaseRouter):
                     if isawaitable(maybe_coroutine):
                         await maybe_coroutine
         finally:
-            signal_event.clear()
+            for signal_event in events:
+                signal_event.clear()
 
     async def dispatch(
         self,
@@ -116,7 +128,7 @@ class SignalRouter(BaseRouter):
             handler,
             requirements=condition,
             name=name,
-            overwrite=True,
+            append=True,
         )  # type: ignore
 
     def finalize(self, do_compile: bool = True):
@@ -125,7 +137,7 @@ class SignalRouter(BaseRouter):
         except RuntimeError:
             raise RuntimeError("Cannot finalize signals outside of event loop")
 
-        for signal in self.routes.values():
+        for signal in self.routes:
             signal.ctx.event = asyncio.Event()
 
         return super().finalize(do_compile=do_compile)

sanic/simple.py

@@ -0,0 +1,21 @@
+from pathlib import Path
+
+from sanic import Sanic
+from sanic.exceptions import SanicException
+from sanic.response import redirect
+
+
+def create_simple_server(directory: Path):
+    if not directory.is_dir():
+        raise SanicException(
+            "Cannot setup Sanic Simple Server without a path to a directory"
+        )
+
+    app = Sanic("SimpleServer")
+    app.static("/", directory, name="main")
+
+    @app.get("/")
+    def index(_):
+        return redirect(app.url_for("main", filename="index.html"))
+
+    return app

sanic/utils.py

@@ -105,6 +105,7 @@ def load_module_from_file_location(
             _mod_spec = spec_from_file_location(
                 name, location, *args, **kwargs
             )
+            assert _mod_spec is not None  # type assertion for mypy
             module = module_from_spec(_mod_spec)
             _mod_spec.loader.exec_module(module)  # type: ignore
 

sanic/views.py

@@ -1,9 +1,25 @@
-from typing import Any, Callable, List
+from __future__ import annotations
+
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Iterable,
+    List,
+    Optional,
+    Union,
+)
+from warnings import warn
 
 from sanic.constants import HTTP_METHODS
 from sanic.exceptions import InvalidUsage
 
 
+if TYPE_CHECKING:
+    from sanic import Sanic
+    from sanic.blueprints import Blueprint
+
+
 class HTTPMethodView:
     """Simple class based implementation of view for the sanic.
     You should implement methods (get, post, put, patch, delete) for the class
@@ -40,6 +56,31 @@ class HTTPMethodView:
 
     decorators: List[Callable[[Callable[..., Any]], Callable[..., Any]]] = []
 
+    def __init_subclass__(
+        cls,
+        attach: Optional[Union[Sanic, Blueprint]] = None,
+        uri: str = "",
+        methods: Iterable[str] = frozenset({"GET"}),
+        host: Optional[str] = None,
+        strict_slashes: Optional[bool] = None,
+        version: Optional[int] = None,
+        name: Optional[str] = None,
+        stream: bool = False,
+        version_prefix: str = "/v",
+    ) -> None:
+        if attach:
+            cls.attach(
+                attach,
+                uri=uri,
+                methods=methods,
+                host=host,
+                strict_slashes=strict_slashes,
+                version=version,
+                name=name,
+                stream=stream,
+                version_prefix=version_prefix,
+            )
+
     def dispatch_request(self, request, *args, **kwargs):
         handler = getattr(self, request.method.lower(), None)
         return handler(request, *args, **kwargs)
@@ -65,6 +106,31 @@ class HTTPMethodView:
         view.__name__ = cls.__name__
         return view
 
+    @classmethod
+    def attach(
+        cls,
+        to: Union[Sanic, Blueprint],
+        uri: str,
+        methods: Iterable[str] = frozenset({"GET"}),
+        host: Optional[str] = None,
+        strict_slashes: Optional[bool] = None,
+        version: Optional[int] = None,
+        name: Optional[str] = None,
+        stream: bool = False,
+        version_prefix: str = "/v",
+    ) -> None:
+        to.add_route(
+            cls.as_view(),
+            uri=uri,
+            methods=methods,
+            host=host,
+            strict_slashes=strict_slashes,
+            version=version,
+            name=name,
+            stream=stream,
+            version_prefix=version_prefix,
+        )
+
 
 def stream(func):
     func.is_stream = True
@@ -91,6 +157,11 @@ class CompositionView:
     def __init__(self):
         self.handlers = {}
         self.name = self.__class__.__name__
+        warn(
+            "CompositionView has been deprecated and will be removed in "
+            "v21.12. Please update your view to HTTPMethodView.",
+            DeprecationWarning,
+        )
 
     def __name__(self):
         return self.name

sanic/websocket.py

@@ -14,9 +14,13 @@ from websockets import (  # type: ignore
     ConnectionClosed,
     InvalidHandshake,
     WebSocketCommonProtocol,
-    handshake,
 )
 
+# Despite the "legacy" namespace, the primary maintainer of websockets
+# committed to maintaining backwards-compatibility until 2026 and will
+# consider extending it if sanic continues depending on this module.
+from websockets.legacy import handshake
+
 from sanic.exceptions import InvalidUsage
 from sanic.server import HttpProtocol
 
@@ -37,7 +41,7 @@ class WebSocketProtocol(HttpProtocol):
         websocket_write_limit=2 ** 16,
         websocket_ping_interval=20,
         websocket_ping_timeout=20,
-        **kwargs
+        **kwargs,
     ):
         super().__init__(*args, **kwargs)
         self.websocket = None
@@ -126,7 +130,9 @@ class WebSocketProtocol(HttpProtocol):
             ping_interval=self.websocket_ping_interval,
             ping_timeout=self.websocket_ping_timeout,
         )
-        # Following two lines are required for websockets 8.x
+        # we use WebSocketCommonProtocol because we don't want the handshake
+        # logic from WebSocketServerProtocol; however, we must tell it that
+        # we're running on the server side
         self.websocket.is_client = False
         self.websocket.side = "server"
         self.websocket.subprotocol = subprotocol
@@ -148,7 +154,7 @@ class WebSocketConnection:
     ) -> None:
         self._send = send
         self._receive = receive
-        self.subprotocols = subprotocols or []
+        self._subprotocols = subprotocols or []
 
     async def send(self, data: Union[str, bytes], *args, **kwargs) -> None:
         message: Dict[str, Union[str, bytes]] = {"type": "websocket.send"}
@@ -172,13 +178,28 @@ class WebSocketConnection:
 
     receive = recv
 
-    async def accept(self) -> None:
+    async def accept(self, subprotocols: Optional[List[str]] = None) -> None:
+        subprotocol = None
+        if subprotocols:
+            for subp in subprotocols:
+                if subp in self.subprotocols:
+                    subprotocol = subp
+                    break
+
         await self._send(
             {
                 "type": "websocket.accept",
-                "subprotocol": ",".join(list(self.subprotocols)),
+                "subprotocol": subprotocol,
             }
         )
 
     async def close(self) -> None:
         pass
+
+    @property
+    def subprotocols(self):
+        return self._subprotocols
+
+    @subprotocols.setter
+    def subprotocols(self, subprotocols: Optional[List[str]] = None):
+        self._subprotocols = subprotocols or []

setup.py

@@ -83,17 +83,17 @@ ujson = "ujson>=1.35" + env_dependency
 uvloop = "uvloop>=0.5.3" + env_dependency
 
 requirements = [
-    "sanic-routing",
+    "sanic-routing~=0.7",
     "httptools>=0.0.10",
     uvloop,
     ujson,
     "aiofiles>=0.6.0",
-    "websockets>=8.1,<9.0",
+    "websockets>=9.0",
     "multidict>=5.0,<6.0",
 ]
 
 tests_require = [
-    "sanic-testing",
+    "sanic-testing>=0.7.0b1",
     "pytest==5.2.1",
     "multidict>=5.0,<6.0",
     "gunicorn==20.0.4",

tests/conftest.py

@@ -15,6 +15,7 @@ from sanic.constants import HTTP_METHODS
 from sanic.router import Router
 
 
+slugify = re.compile(r"[^a-zA-Z0-9_\-]")
 random.seed("Pack my box with five dozen liquor jugs.")
 Sanic.test_mode = True
 
@@ -140,5 +141,5 @@ def url_param_generator():
 
 @pytest.fixture(scope="function")
 def app(request):
-    app = Sanic(request.node.name)
+    app = Sanic(slugify.sub("-", request.node.name))
     return app

tests/fake/server.py

@@ -0,0 +1,36 @@
+import json
+import logging
+
+from sanic import Sanic, text
+from sanic.log import LOGGING_CONFIG_DEFAULTS, logger
+
+
+LOGGING_CONFIG = {**LOGGING_CONFIG_DEFAULTS}
+LOGGING_CONFIG["formatters"]["generic"]["format"] = "%(message)s"
+LOGGING_CONFIG["loggers"]["sanic.root"]["level"] = "DEBUG"
+
+app = Sanic(__name__, log_config=LOGGING_CONFIG)
+
+
+@app.get("/")
+async def handler(request):
+    return text(request.ip)
+
+
+@app.before_server_start
+async def app_info_dump(app: Sanic, _):
+    app_data = {
+        "access_log": app.config.ACCESS_LOG,
+        "auto_reload": app.auto_reload,
+        "debug": app.debug,
+    }
+    logger.info(json.dumps(app_data))
+
+
+@app.after_server_start
+async def shutdown(app: Sanic, _):
+    app.stop()
+
+
+def create_app():
+    return app

tests/test_app.py

@@ -9,6 +9,7 @@ from unittest.mock import Mock, patch
 import pytest
 
 from sanic import Sanic
+from sanic.config import Config
 from sanic.exceptions import SanicException
 from sanic.response import text
 
@@ -276,7 +277,7 @@ def test_handle_request_with_nested_sanic_exception(app, monkeypatch, caplog):
     assert response.status == 500
     assert "Mock SanicException" in response.text
     assert (
-        "sanic.root",
+        "sanic.error",
         logging.ERROR,
         f"Exception occurred while handling uri: 'http://127.0.0.1:{port}/'",
     ) in caplog.record_tuples
@@ -389,7 +390,7 @@ def test_app_no_registry_env():
 
 
 def test_app_set_attribute_warning(app):
-    with pytest.warns(UserWarning) as record:
+    with pytest.warns(DeprecationWarning) as record:
         app.foo = 1
 
     assert len(record) == 1
@@ -412,3 +413,42 @@ def test_subclass_initialisation():
         pass
 
     CustomSanic("test_subclass_initialisation")
+
+
+def test_bad_custom_config():
+    with pytest.raises(
+        SanicException,
+        match=(
+            "When instantiating Sanic with config, you cannot also pass "
+            "load_env or env_prefix"
+        ),
+    ):
+        Sanic("test", config=1, load_env=1)
+    with pytest.raises(
+        SanicException,
+        match=(
+            "When instantiating Sanic with config, you cannot also pass "
+            "load_env or env_prefix"
+        ),
+    ):
+        Sanic("test", config=1, env_prefix=1)
+
+
+def test_custom_config():
+    class CustomConfig(Config):
+        ...
+
+    config = CustomConfig()
+    app = Sanic("custom", config=config)
+
+    assert app.config == config
+
+
+def test_custom_context():
+    class CustomContext:
+        ...
+
+    ctx = CustomContext()
+    app = Sanic("custom", ctx=ctx)
+
+    assert app.ctx == ctx

tests/test_asgi.py

@@ -1,5 +1,4 @@
 import asyncio
-import sys
 
 from collections import deque, namedtuple
 
@@ -8,7 +7,7 @@ import uvicorn
 
 from sanic import Sanic
 from sanic.asgi import MockTransport
-from sanic.exceptions import InvalidUsage
+from sanic.exceptions import Forbidden, InvalidUsage, ServiceUnavailable
 from sanic.request import Request
 from sanic.response import json, text
 from sanic.websocket import WebSocketConnection
@@ -219,7 +218,7 @@ async def test_websocket_accept_with_no_subprotocols(
 
     message = message_stack.popleft()
     assert message["type"] == "websocket.accept"
-    assert message["subprotocol"] == ""
+    assert message["subprotocol"] is None
     assert "bytes" not in message
 
 
@@ -228,7 +227,7 @@ async def test_websocket_accept_with_subprotocol(send, receive, message_stack):
     subprotocols = ["graphql-ws"]
 
     ws = WebSocketConnection(send, receive, subprotocols)
-    await ws.accept()
+    await ws.accept(subprotocols)
 
     assert len(message_stack) == 1
 
@@ -245,13 +244,13 @@ async def test_websocket_accept_with_multiple_subprotocols(
     subprotocols = ["graphql-ws", "hello", "world"]
 
     ws = WebSocketConnection(send, receive, subprotocols)
-    await ws.accept()
+    await ws.accept(["hello", "world"])
 
     assert len(message_stack) == 1
 
     message = message_stack.popleft()
     assert message["type"] == "websocket.accept"
-    assert message["subprotocol"] == "graphql-ws,hello,world"
+    assert message["subprotocol"] == "hello"
     assert "bytes" not in message
 
 
@@ -347,3 +346,32 @@ async def test_content_type(app):
 
     _, response = await app.asgi_client.get("/custom")
     assert response.headers.get("content-type") == "somethingelse"
+
+
+@pytest.mark.asyncio
+async def test_request_handle_exception(app):
+    @app.get("/error-prone")
+    def _request(request):
+        raise ServiceUnavailable(message="Service unavailable")
+
+    _, response = await app.asgi_client.get("/wrong-path")
+    assert response.status_code == 404
+
+    _, response = await app.asgi_client.get("/error-prone")
+    assert response.status_code == 503
+
+@pytest.mark.asyncio
+async def test_request_exception_suppressed_by_middleware(app):
+    @app.get("/error-prone")
+    def _request(request):
+        raise ServiceUnavailable(message="Service unavailable")
+
+    @app.on_request
+    def forbidden(request):
+        raise Forbidden(message="forbidden")
+
+    _, response = await app.asgi_client.get("/wrong-path")
+    assert response.status_code == 403
+
+    _, response = await app.asgi_client.get("/error-prone")
+    assert response.status_code == 403

tests/test_base.py

@@ -41,3 +41,62 @@ def test_bp_repr_with_values(bp):
         'Blueprint(name="my_bp", url_prefix="/foo", host="example.com", '
         "version=3, strict_slashes=True)"
     )
+
+
+@pytest.mark.parametrize(
+    "name",
+    (
+        "something",
+        "some-thing",
+        "some_thing",
+        "Something",
+        "SomeThing",
+        "Some-Thing",
+        "Some_Thing",
+        "SomeThing123",
+        "something123",
+        "some-thing123",
+        "some_thing123",
+        "some-Thing123",
+        "some_Thing123",
+    ),
+)
+def test_names_okay(name):
+    app = Sanic(name)
+    bp = Blueprint(name)
+
+    assert app.name == name
+    assert bp.name == name
+
+
+@pytest.mark.parametrize(
+    "name",
+    (
+        "123something",
+        "some thing",
+        "something!",
+    ),
+)
+def test_names_not_okay(name):
+    app_message = (
+        f"Sanic instance named '{name}' uses a format that isdeprecated. "
+        "Starting in version 21.12, Sanic objects must be named only using "
+        "alphanumeric characters, _, or -."
+    )
+    bp_message = (
+        f"Blueprint instance named '{name}' uses a format that isdeprecated. "
+        "Starting in version 21.12, Blueprint objects must be named only using "
+        "alphanumeric characters, _, or -."
+    )
+
+    with pytest.warns(DeprecationWarning) as app_e:
+        app = Sanic(name)
+
+    with pytest.warns(DeprecationWarning) as bp_e:
+        bp = Blueprint(name)
+
+    assert app.name == name
+    assert bp.name == name
+
+    assert app_e[0].message.args[0] == app_message
+    assert bp_e[0].message.args[0] == bp_message

tests/test_blueprint_group.py

@@ -200,7 +200,7 @@ def test_bp_group_as_nested_group():
     blueprint_group_1 = Blueprint.group(
         Blueprint.group(blueprint_1, blueprint_2)
     )
-    assert len(blueprint_group_1) == 2
+    assert len(blueprint_group_1) == 1
 
 
 def test_blueprint_group_insert():
@@ -215,6 +215,61 @@ def test_blueprint_group_insert():
     group.insert(0, blueprint_1)
     group.insert(0, blueprint_2)
     group.insert(0, blueprint_3)
-    assert group.blueprints[1].strict_slashes is False
-    assert group.blueprints[2].strict_slashes is True
-    assert group.blueprints[0].url_prefix == "/test"
+
+    @blueprint_1.route("/")
+    def blueprint_1_default_route(request):
+        return text("BP1_OK")
+
+    @blueprint_2.route("/")
+    def blueprint_2_default_route(request):
+        return text("BP2_OK")
+
+    @blueprint_3.route("/")
+    def blueprint_3_default_route(request):
+        return text("BP3_OK")
+
+    app = Sanic("PropTest")
+    app.blueprint(group)
+    app.router.finalize()
+
+    routes = [(route.path, route.strict) for route in app.router.routes]
+
+    assert len(routes) == 3
+    assert ("v1/test/bp1/", True) in routes
+    assert ("v1.3/test/bp2", False) in routes
+    assert ("v1.3/test", False) in routes
+
+
+def test_bp_group_properties():
+    blueprint_1 = Blueprint("blueprint_1", url_prefix="/bp1")
+    blueprint_2 = Blueprint("blueprint_2", url_prefix="/bp2")
+    group = Blueprint.group(
+        blueprint_1,
+        blueprint_2,
+        version=1,
+        version_prefix="/api/v",
+        url_prefix="/grouped",
+        strict_slashes=True,
+    )
+    primary = Blueprint.group(group, url_prefix="/primary")
+
+    @blueprint_1.route("/")
+    def blueprint_1_default_route(request):
+        return text("BP1_OK")
+
+    @blueprint_2.route("/")
+    def blueprint_2_default_route(request):
+        return text("BP2_OK")
+
+    app = Sanic("PropTest")
+    app.blueprint(group)
+    app.blueprint(primary)
+    app.router.finalize()
+
+    routes = [route.path for route in app.router.routes]
+
+    assert len(routes) == 4
+    assert "api/v1/grouped/bp1/" in routes
+    assert "api/v1/grouped/bp2/" in routes
+    assert "api/v1/primary/grouped/bp1" in routes
+    assert "api/v1/primary/grouped/bp2" in routes

tests/test_blueprints.py

@@ -1028,7 +1028,7 @@ def test_blueprint_registered_multiple_apps():
 
 def test_bp_set_attribute_warning():
     bp = Blueprint("bp")
-    with pytest.warns(UserWarning) as record:
+    with pytest.warns(DeprecationWarning) as record:
         bp.foo = 1
 
     assert len(record) == 1

tests/test_cli.py

@@ -0,0 +1,133 @@
+import json
+import subprocess
+
+from pathlib import Path
+
+import pytest
+
+from sanic_routing import __version__ as __routing_version__
+
+from sanic import __version__
+from sanic.config import BASE_LOGO
+
+
+def capture(command):
+    proc = subprocess.Popen(
+        command,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        cwd=Path(__file__).parent,
+    )
+    try:
+        out, err = proc.communicate(timeout=0.5)
+    except subprocess.TimeoutExpired:
+        proc.kill()
+        out, err = proc.communicate()
+    return out, err, proc.returncode
+
+
+@pytest.mark.parametrize(
+    "appname",
+    (
+        "fake.server.app",
+        "fake.server:app",
+        "fake.server:create_app()",
+        "fake.server.create_app()",
+    ),
+)
+def test_server_run(appname):
+    command = ["sanic", appname]
+    out, err, exitcode = capture(command)
+    lines = out.split(b"\n")
+    firstline = lines[6]
+
+    assert exitcode != 1
+    assert firstline == b"Goin' Fast @ http://127.0.0.1:8000"
+
+
+@pytest.mark.parametrize(
+    "cmd",
+    (
+        ("--host=localhost", "--port=9999"),
+        ("-H", "localhost", "-p", "9999"),
+    ),
+)
+def test_host_port(cmd):
+    command = ["sanic", "fake.server.app", *cmd]
+    out, err, exitcode = capture(command)
+    lines = out.split(b"\n")
+    firstline = lines[6]
+
+    assert exitcode != 1
+    assert firstline == b"Goin' Fast @ http://localhost:9999"
+
+
+@pytest.mark.parametrize(
+    "num,cmd",
+    (
+        (1, (f"--workers={1}",)),
+        (2, (f"--workers={2}",)),
+        (4, (f"--workers={4}",)),
+        (1, ("-w", "1")),
+        (2, ("-w", "2")),
+        (4, ("-w", "4")),
+    ),
+)
+def test_num_workers(num, cmd):
+    command = ["sanic", "fake.server.app", *cmd]
+    out, err, exitcode = capture(command)
+    lines = out.split(b"\n")
+
+    worker_lines = [line for line in lines if b"worker" in line]
+    assert exitcode != 1
+    assert len(worker_lines) == num * 2
+
+
+@pytest.mark.parametrize("cmd", ("--debug", "-d"))
+def test_debug(cmd):
+    command = ["sanic", "fake.server.app", cmd]
+    out, err, exitcode = capture(command)
+    lines = out.split(b"\n")
+
+    app_info = lines[9]
+    info = json.loads(app_info)
+
+    assert (b"\n".join(lines[:6])).decode("utf-8") == BASE_LOGO
+    assert info["debug"] is True
+    assert info["auto_reload"] is True
+
+
+@pytest.mark.parametrize("cmd", ("--auto-reload", "-r"))
+def test_auto_reload(cmd):
+    command = ["sanic", "fake.server.app", cmd]
+    out, err, exitcode = capture(command)
+    lines = out.split(b"\n")
+
+    app_info = lines[9]
+    info = json.loads(app_info)
+
+    assert info["debug"] is False
+    assert info["auto_reload"] is True
+
+
+@pytest.mark.parametrize(
+    "cmd,expected", (("--access-log", True), ("--no-access-log", False))
+)
+def test_access_logs(cmd, expected):
+    command = ["sanic", "fake.server.app", cmd]
+    out, err, exitcode = capture(command)
+    lines = out.split(b"\n")
+
+    app_info = lines[9]
+    info = json.loads(app_info)
+
+    assert info["access_log"] is expected
+
+
+@pytest.mark.parametrize("cmd", ("--version", "-v"))
+def test_version(cmd):
+    command = ["sanic", cmd]
+    out, err, exitcode = capture(command)
+    version_string = f"Sanic {__version__}; Routing {__routing_version__}\n"
+
+    assert out == version_string.encode("utf-8")

tests/test_config.py

@@ -59,14 +59,14 @@ def test_load_from_object_string_exception(app):
         app.config.load("test_config.Config.test")
 
 
-def test_auto_load_env():
+def test_auto_env_prefix():
     environ["SANIC_TEST_ANSWER"] = "42"
     app = Sanic(name=__name__)
     assert app.config.TEST_ANSWER == 42
     del environ["SANIC_TEST_ANSWER"]
 
 
-def test_auto_load_bool_env():
+def test_auto_bool_env_prefix():
     environ["SANIC_TEST_ANSWER"] = "True"
     app = Sanic(name=__name__)
     assert app.config.TEST_ANSWER is True
@@ -80,6 +80,12 @@ def test_dont_load_env():
     del environ["SANIC_TEST_ANSWER"]
 
 
+@pytest.mark.parametrize("load_env", [None, False, "", "MYAPP_"])
+def test_load_env_deprecation(load_env):
+    with pytest.warns(DeprecationWarning, match=r"21\.12"):
+        _ = Sanic(name=__name__, load_env=load_env)
+
+
 def test_load_env_prefix():
     environ["MYAPP_TEST_ANSWER"] = "42"
     app = Sanic(name=__name__, load_env="MYAPP_")
@@ -87,6 +93,14 @@ def test_load_env_prefix():
     del environ["MYAPP_TEST_ANSWER"]
 
 
+@pytest.mark.parametrize("env_prefix", [None, ""])
+def test_empty_load_env_prefix(env_prefix):
+    environ["SANIC_TEST_ANSWER"] = "42"
+    app = Sanic(name=__name__, env_prefix=env_prefix)
+    assert getattr(app.config, "TEST_ANSWER", None) is None
+    del environ["SANIC_TEST_ANSWER"]
+
+
 def test_load_env_prefix_float_values():
     environ["MYAPP_TEST_ROI"] = "2.3"
     app = Sanic(name=__name__, load_env="MYAPP_")
@@ -101,6 +115,27 @@ def test_load_env_prefix_string_value():
     del environ["MYAPP_TEST_TOKEN"]
 
 
+def test_env_prefix():
+    environ["MYAPP_TEST_ANSWER"] = "42"
+    app = Sanic(name=__name__, env_prefix="MYAPP_")
+    assert app.config.TEST_ANSWER == 42
+    del environ["MYAPP_TEST_ANSWER"]
+
+
+def test_env_prefix_float_values():
+    environ["MYAPP_TEST_ROI"] = "2.3"
+    app = Sanic(name=__name__, env_prefix="MYAPP_")
+    assert app.config.TEST_ROI == 2.3
+    del environ["MYAPP_TEST_ROI"]
+
+
+def test_env_prefix_string_value():
+    environ["MYAPP_TEST_TOKEN"] = "somerandomtesttoken"
+    app = Sanic(name=__name__, env_prefix="MYAPP_")
+    assert app.config.TEST_TOKEN == "somerandomtesttoken"
+    del environ["MYAPP_TEST_TOKEN"]
+
+
 def test_load_from_file(app):
     config = dedent(
         """

tests/test_constants.py

@@ -0,0 +1,28 @@
+from crypt import methods
+
+from sanic import text
+from sanic.constants import HTTP_METHODS, HTTPMethod
+
+
+def test_string_compat():
+    assert "GET" == HTTPMethod.GET
+    assert "GET" in HTTP_METHODS
+    assert "get" == HTTPMethod.GET
+    assert "get" in HTTP_METHODS
+
+    assert HTTPMethod.GET.lower() == "get"
+    assert HTTPMethod.GET.upper() == "GET"
+
+
+def test_use_in_routes(app):
+    @app.route("/", methods=[HTTPMethod.GET, HTTPMethod.POST])
+    def handler(_):
+        return text("It works")
+
+    _, response = app.test_client.get("/")
+    assert response.status == 200
+    assert response.text == "It works"
+
+    _, response = app.test_client.post("/")
+    assert response.status == 200
+    assert response.text == "It works"

tests/test_exceptions.py

@@ -1,3 +1,5 @@
+import warnings
+
 import pytest
 
 from bs4 import BeautifulSoup
@@ -7,6 +9,7 @@ from sanic.exceptions import (
     Forbidden,
     InvalidUsage,
     NotFound,
+    SanicException,
     ServerError,
     Unauthorized,
     abort,
@@ -68,16 +71,19 @@ def exception_app():
 
     @app.route("/abort/401")
     def handler_401_error(request):
-        abort(401)
+        raise SanicException(status_code=401)
 
     @app.route("/abort")
     def handler_500_error(request):
+        raise SanicException(status_code=500)
+
+    @app.route("/old_abort")
+    def handler_old_abort_error(request):
         abort(500)
-        return text("OK")
 
     @app.route("/abort/message")
     def handler_abort_message(request):
-        abort(500, message="Abort")
+        raise SanicException(message="Custom Message", status_code=500)
 
     @app.route("/divide_by_zero")
     def handle_unhandled_exception(request):
@@ -208,14 +214,21 @@ def test_exception_in_exception_handler_debug_on(exception_app):
     assert response.body.startswith(b"Exception raised in exception ")
 
 
-def test_abort(exception_app):
-    """Test the abort function"""
+def test_sanic_exception(exception_app):
+    """Test sanic exceptions are handled"""
     request, response = exception_app.test_client.get("/abort/401")
     assert response.status == 401
 
     request, response = exception_app.test_client.get("/abort")
     assert response.status == 500
+    # check fallback message
+    assert "Internal Server Error" in response.text
 
     request, response = exception_app.test_client.get("/abort/message")
     assert response.status == 500
-    assert "Abort" in response.text
+    assert "Custom Message" in response.text
+
+    with warnings.catch_warnings(record=True) as w:
+        request, response = exception_app.test_client.get("/old_abort")
+    assert response.status == 500
+    assert len(w) == 1 and "deprecated" in w[0].message.args[0]

tests/test_headers.py

@@ -7,6 +7,13 @@ from sanic.exceptions import PayloadTooLarge
 from sanic.http import Http
 
 
+@pytest.fixture
+def raised_ceiling():
+    Http.HEADER_CEILING = 32_768
+    yield
+    Http.HEADER_CEILING = 16_384
+
+
 @pytest.mark.parametrize(
     "input, expected",
     [
@@ -76,15 +83,75 @@ async def test_header_size_exceeded():
         recv_buffer += b"123"
 
     protocol = Mock()
+    Http.set_header_max_size(1)
     http = Http(protocol)
     http._receive_more = _receive_more
-    http.request_max_size = 1
     http.recv_buffer = recv_buffer
 
     with pytest.raises(PayloadTooLarge):
         await http.http1_request_header()
 
 
+@pytest.mark.asyncio
+async def test_header_size_increased_okay():
+    recv_buffer = bytearray()
+
+    async def _receive_more():
+        nonlocal recv_buffer
+        recv_buffer += b"123"
+
+    protocol = Mock()
+    Http.set_header_max_size(12_288)
+    http = Http(protocol)
+    http._receive_more = _receive_more
+    http.recv_buffer = recv_buffer
+
+    with pytest.raises(PayloadTooLarge):
+        await http.http1_request_header()
+
+    assert len(recv_buffer) == 12_291
+
+
+@pytest.mark.asyncio
+async def test_header_size_exceeded_maxed_out():
+    recv_buffer = bytearray()
+
+    async def _receive_more():
+        nonlocal recv_buffer
+        recv_buffer += b"123"
+
+    protocol = Mock()
+    Http.set_header_max_size(18_432)
+    http = Http(protocol)
+    http._receive_more = _receive_more
+    http.recv_buffer = recv_buffer
+
+    with pytest.raises(PayloadTooLarge):
+        await http.http1_request_header()
+
+    assert len(recv_buffer) == 16_389
+
+
+@pytest.mark.asyncio
+async def test_header_size_exceeded_raised_ceiling(raised_ceiling):
+    recv_buffer = bytearray()
+
+    async def _receive_more():
+        nonlocal recv_buffer
+        recv_buffer += b"123"
+
+    protocol = Mock()
+    http = Http(protocol)
+    Http.set_header_max_size(65_536)
+    http._receive_more = _receive_more
+    http.recv_buffer = recv_buffer
+
+    with pytest.raises(PayloadTooLarge):
+        await http.http1_request_header()
+
+    assert len(recv_buffer) == 32_772
+
+
 def test_raw_headers(app):
     app.route("/")(lambda _: text(""))
     request, _ = app.test_client.get(

tests/test_keep_alive_timeout.py

@@ -1,4 +1,5 @@
 import asyncio
+import platform
 
 from asyncio import sleep as aio_sleep
 from json import JSONDecodeError
@@ -241,7 +242,9 @@ def test_keep_alive_timeout_reuse():
 
 
 @pytest.mark.skipif(
-    bool(environ.get("SANIC_NO_UVLOOP")) or OS_IS_WINDOWS,
+    bool(environ.get("SANIC_NO_UVLOOP"))
+    or OS_IS_WINDOWS
+    or platform.system() != "Linux",
     reason="Not testable with current client",
 )
 def test_keep_alive_client_timeout():

tests/test_logging.py

@@ -113,9 +113,9 @@ def test_logging_pass_customer_logconfig():
 def test_log_connection_lost(app, debug, monkeypatch):
     """ Should not log Connection lost exception on non debug """
     stream = StringIO()
-    root = logging.getLogger("sanic.root")
-    root.addHandler(logging.StreamHandler(stream))
-    monkeypatch.setattr(sanic.server, "logger", root)
+    error = logging.getLogger("sanic.error")
+    error.addHandler(logging.StreamHandler(stream))
+    monkeypatch.setattr(sanic.server, "error_logger", error)
 
     @app.route("/conn_lost")
     async def conn_lost(request):

tests/test_middleware.py

@@ -3,7 +3,7 @@ import logging
 from asyncio import CancelledError
 from itertools import count
 
-from sanic.exceptions import NotFound, SanicException
+from sanic.exceptions import NotFound
 from sanic.request import Request
 from sanic.response import HTTPResponse, text
 
@@ -156,7 +156,7 @@ def test_middleware_response_raise_cancelled_error(app, caplog):
 
         assert response.status == 503
         assert (
-            "sanic.root",
+            "sanic.error",
             logging.ERROR,
             "Exception occurred while handling uri: 'http://127.0.0.1:42101/'",
         ) not in caplog.record_tuples
@@ -174,7 +174,7 @@ def test_middleware_response_raise_exception(app, caplog):
     assert response.status == 404
     # 404 errors are not logged
     assert (
-        "sanic.root",
+        "sanic.error",
         logging.ERROR,
         "Exception occurred while handling uri: 'http://127.0.0.1:42101/'",
     ) not in caplog.record_tuples

tests/test_named_routes.py

@@ -209,13 +209,13 @@ def test_named_static_routes():
         return text("OK2")
 
     assert app.router.routes_all[("test",)].name == "app.route_test"
-    assert app.router.routes_static[("test",)].name == "app.route_test"
+    assert app.router.routes_static[("test",)][0].name == "app.route_test"
     assert app.url_for("route_test") == "/test"
     with pytest.raises(URLBuildError):
         app.url_for("handler1")
 
     assert app.router.routes_all[("pizazz",)].name == "app.route_pizazz"
-    assert app.router.routes_static[("pizazz",)].name == "app.route_pizazz"
+    assert app.router.routes_static[("pizazz",)][0].name == "app.route_pizazz"
     assert app.url_for("route_pizazz") == "/pizazz"
     with pytest.raises(URLBuildError):
         app.url_for("handler2")
@@ -234,7 +234,7 @@ def test_named_dynamic_route():
         app.router.routes_all[
             (
                 "folder",
-                "<name>",
+                "<name:str>",
             )
         ].name
         == "app.route_dynamic"
@@ -347,13 +347,13 @@ def test_static_add_named_route():
     app.add_route(handler2, "/test2", name="route_test2")
 
     assert app.router.routes_all[("test",)].name == "app.route_test"
-    assert app.router.routes_static[("test",)].name == "app.route_test"
+    assert app.router.routes_static[("test",)][0].name == "app.route_test"
     assert app.url_for("route_test") == "/test"
     with pytest.raises(URLBuildError):
         app.url_for("handler1")
 
     assert app.router.routes_all[("test2",)].name == "app.route_test2"
-    assert app.router.routes_static[("test2",)].name == "app.route_test2"
+    assert app.router.routes_static[("test2",)][0].name == "app.route_test2"
     assert app.url_for("route_test2") == "/test2"
     with pytest.raises(URLBuildError):
         app.url_for("handler2")
@@ -369,7 +369,8 @@ def test_dynamic_add_named_route():
 
     app.add_route(handler, "/folder/<name>", name="route_dynamic")
     assert (
-        app.router.routes_all[("folder", "<name>")].name == "app.route_dynamic"
+        app.router.routes_all[("folder", "<name:str>")].name
+        == "app.route_dynamic"
     )
     assert app.url_for("route_dynamic", name="test") == "/folder/test"
     with pytest.raises(URLBuildError):

tests/test_pipelining.py

@@ -0,0 +1,105 @@
+from httpx import AsyncByteStream
+from sanic_testing.reusable import ReusableClient
+
+from sanic.response import json, text
+
+
+def test_no_body_requests(app):
+    @app.get("/")
+    async def handler(request):
+        return json(
+            {
+                "request_id": str(request.id),
+                "connection_id": id(request.conn_info),
+            }
+        )
+
+    client = ReusableClient(app, port=1234)
+
+    with client:
+        _, response1 = client.get("/")
+        _, response2 = client.get("/")
+
+    assert response1.status == response2.status == 200
+    assert response1.json["request_id"] != response2.json["request_id"]
+    assert response1.json["connection_id"] == response2.json["connection_id"]
+
+
+def test_json_body_requests(app):
+    @app.post("/")
+    async def handler(request):
+        return json(
+            {
+                "request_id": str(request.id),
+                "connection_id": id(request.conn_info),
+                "foo": request.json.get("foo"),
+            }
+        )
+
+    client = ReusableClient(app, port=1234)
+
+    with client:
+        _, response1 = client.post("/", json={"foo": True})
+        _, response2 = client.post("/", json={"foo": True})
+
+    assert response1.status == response2.status == 200
+    assert response1.json["foo"] is response2.json["foo"] is True
+    assert response1.json["request_id"] != response2.json["request_id"]
+    assert response1.json["connection_id"] == response2.json["connection_id"]
+
+
+def test_streaming_body_requests(app):
+    @app.post("/", stream=True)
+    async def handler(request):
+        data = [part.decode("utf-8") async for part in request.stream]
+        return json(
+            {
+                "request_id": str(request.id),
+                "connection_id": id(request.conn_info),
+                "data": data,
+            }
+        )
+
+    data = ["hello", "world"]
+
+    class Data(AsyncByteStream):
+        def __init__(self, data):
+            self.data = data
+
+        async def __aiter__(self):
+            for value in self.data:
+                yield value.encode("utf-8")
+
+    client = ReusableClient(app, port=1234)
+
+    with client:
+        _, response1 = client.post("/", data=Data(data))
+        _, response2 = client.post("/", data=Data(data))
+
+    assert response1.status == response2.status == 200
+    assert response1.json["data"] == response2.json["data"] == data
+    assert response1.json["request_id"] != response2.json["request_id"]
+    assert response1.json["connection_id"] == response2.json["connection_id"]
+
+
+def test_bad_headers(app):
+    @app.get("/")
+    async def handler(request):
+        return text("")
+
+    @app.on_response
+    async def reqid(request, response):
+        response.headers["x-request-id"] = request.id
+
+    client = ReusableClient(app, port=1234)
+    bad_headers = {"bad": "bad" * 5_000}
+
+    with client:
+        _, response1 = client.get("/")
+        _, response2 = client.get("/", headers=bad_headers)
+
+    assert response1.status == 200
+    assert response2.status == 413
+    assert (
+        response1.headers["x-request-id"] != response2.headers["x-request-id"]
+    )

tests/test_redirect.py

@@ -1,4 +1,4 @@
-from urllib.parse import quote, unquote
+from urllib.parse import quote
 
 import pytest
 

tests/test_reloader.py

@@ -23,6 +23,8 @@ try:
 except ImportError:
     flags = 0
 
+TIMER_DELAY = 2
+
 
 def terminate(proc):
     if flags:
@@ -56,6 +58,40 @@ def write_app(filename, **runargs):
     return text
 
 
+def write_json_config_app(filename, jsonfile, **runargs):
+    with open(filename, "w") as f:
+        f.write(
+            dedent(
+                f"""\
+            import os
+            from sanic import Sanic
+            import json
+
+            app = Sanic(__name__)
+            with open("{jsonfile}", "r") as f:
+                config = json.load(f)
+            app.config.update_config(config)
+
+            app.route("/")(lambda x: x)
+
+            @app.listener("after_server_start")
+            def complete(*args):
+                print("complete", os.getpid(), app.config.FOO)
+
+            if __name__ == "__main__":
+                app.run(**{runargs!r})
+            """
+            )
+        )
+
+
+def write_file(filename):
+    text = secrets.token_urlsafe()
+    with open(filename, "w") as f:
+        f.write(f"""{{"FOO": "{text}"}}""")
+    return text
+
+
 def scanner(proc):
     for line in proc.stdout:
         line = line.decode().strip()
@@ -90,9 +126,10 @@ async def test_reloader_live(runargs, mode):
     with TemporaryDirectory() as tmpdir:
         filename = os.path.join(tmpdir, "reloader.py")
         text = write_app(filename, **runargs)
-        proc = Popen(argv[mode], cwd=tmpdir, stdout=PIPE, creationflags=flags)
+        command = argv[mode]
+        proc = Popen(command, cwd=tmpdir, stdout=PIPE, creationflags=flags)
         try:
-            timeout = Timer(5, terminate, [proc])
+            timeout = Timer(TIMER_DELAY, terminate, [proc])
             timeout.start()
             # Python apparently keeps using the old source sometimes if
             # we don't sleep before rewrite (pycache timestamp problem?)
@@ -107,3 +144,40 @@ async def test_reloader_live(runargs, mode):
             terminate(proc)
             with suppress(TimeoutExpired):
                 proc.wait(timeout=3)
+
+
+@pytest.mark.parametrize(
+    "runargs, mode",
+    [
+        (dict(port=42102, auto_reload=True), "script"),
+        (dict(port=42103, debug=True), "module"),
+        ({}, "sanic"),
+    ],
+)
+async def test_reloader_live_with_dir(runargs, mode):
+    with TemporaryDirectory() as tmpdir:
+        filename = os.path.join(tmpdir, "reloader.py")
+        config_file = os.path.join(tmpdir, "config.json")
+        runargs["reload_dir"] = tmpdir
+        write_json_config_app(filename, config_file, **runargs)
+        text = write_file(config_file)
+        command = argv[mode]
+        if mode == "sanic":
+            command += ["--reload-dir", tmpdir]
+        proc = Popen(command, cwd=tmpdir, stdout=PIPE, creationflags=flags)
+        try:
+            timeout = Timer(TIMER_DELAY, terminate, [proc])
+            timeout.start()
+            # Python apparently keeps using the old source sometimes if
+            # we don't sleep before rewrite (pycache timestamp problem?)
+            sleep(1)
+            line = scanner(proc)
+            assert text in next(line)
+            # Edit source code and try again
+            text = write_file(config_file)
+            assert text in next(line)
+        finally:
+            timeout.cancel()
+            terminate(proc)
+            with suppress(TimeoutExpired):
+                proc.wait(timeout=3)

tests/test_request.py

@@ -20,6 +20,7 @@ def test_request_id_generates_from_request(monkeypatch):
     monkeypatch.setattr(Request, "generate_id", Mock())
     Request.generate_id.return_value = 1
     request = Request(b"/", {}, None, "GET", None, Mock())
+    request.app.config.REQUEST_ID_HEADER = "foo"
 
     for _ in range(10):
         request.id
@@ -28,6 +29,7 @@ def test_request_id_generates_from_request(monkeypatch):
 
 def test_request_id_defaults_uuid():
     request = Request(b"/", {}, None, "GET", None, Mock())
+    request.app.config.REQUEST_ID_HEADER = "foo"
 
     assert isinstance(request.id, UUID)
 
@@ -104,7 +106,7 @@ def test_route_assigned_to_request(app):
         return response.empty()
 
     request, _ = app.test_client.get("/")
-    assert request.route is list(app.router.routes.values())[0]
+    assert request.route is list(app.router.routes)[0]
 
 
 def test_protocol_attribute(app):
@@ -120,3 +122,21 @@ def test_protocol_attribute(app):
     _ = app.test_client.get("/", headers=headers)
 
     assert isinstance(retrieved, HttpProtocol)
+
+
+def test_ipv6_address_is_not_wrapped(app):
+    @app.get("/")
+    async def get(request):
+        return response.json(
+            {
+                "client_ip": request.conn_info.client_ip,
+                "client": request.conn_info.client,
+            }
+        )
+
+    request, resp = app.test_client.get("/", host="::1")
+
+    assert request.route is list(app.router.routes)[0]
+    assert resp.json["client"] == "[::1]"
+    assert resp.json["client_ip"] == "::1"
+    assert request.ip == "::1"

tests/test_request_stream.py

@@ -8,7 +8,6 @@ import pytest
 from sanic import Sanic
 from sanic.blueprints import Blueprint
 from sanic.response import json, text
-from sanic.server import HttpProtocol
 from sanic.views import CompositionView, HTTPMethodView
 from sanic.views import stream as stream_decorator
 

tests/test_request_timeout.py

@@ -1,21 +1,8 @@
 import asyncio
 
-from typing import cast
-
 import httpcore
 import httpx
 
-from httpcore._async.base import (
-    AsyncByteStream,
-    AsyncHTTPTransport,
-    ConnectionState,
-    NewConnectionRequired,
-)
-from httpcore._async.connection import AsyncHTTPConnection
-from httpcore._async.connection_pool import ResponseByteStream
-from httpcore._exceptions import LocalProtocolError, UnsupportedProtocol
-from httpcore._types import TimeoutDict
-from httpcore._utils import url_to_origin
 from sanic_testing.testing import SanicTestClient
 
 from sanic import Sanic

tests/test_requests.py

@@ -253,6 +253,31 @@ async def test_empty_json_asgi(app):
     assert response.body == b"null"
 
 
+def test_echo_json(app):
+    @app.post("/")
+    async def handler(request):
+        return json(request.json)
+
+    data = {"foo": "bar"}
+    request, response = app.test_client.post("/", json=data)
+
+    assert response.status == 200
+    assert response.json == data
+
+
+@pytest.mark.asyncio
+async def test_echo_json_asgi(app):
+    @app.post("/")
+    async def handler(request):
+        return json(request.json)
+
+    data = {"foo": "bar"}
+    request, response = await app.asgi_client.post("/", json=data)
+
+    assert response.status == 200
+    assert response.json == data
+
+
 def test_invalid_json(app):
     @app.post("/")
     async def handler(request):
@@ -292,6 +317,17 @@ def test_query_string(app):
     assert request.args.get("test3", default="My value") == "My value"
 
 
+def test_popped_stays_popped(app):
+    @app.route("/")
+    async def handler(request):
+        return text("OK")
+
+    request, response = app.test_client.get("/", params=[("test1", "1")])
+
+    assert request.args.pop("test1") == ["1"]
+    assert "test1" not in request.args
+
+
 @pytest.mark.asyncio
 async def test_query_string_asgi(app):
     @app.route("/")
@@ -2159,3 +2195,70 @@ def test_safe_method_with_body(app):
     assert request.body == data.encode("utf-8")
     assert request.json.get("test") == "OK"
     assert response.body == b"OK"
+
+
+def test_conflicting_body_methods_overload(app):
+    @app.put("/")
+    @app.put("/p/")
+    @app.put("/p/<foo>")
+    async def put(request, foo=None):
+        return json(
+            {"name": request.route.name, "body": str(request.body), "foo": foo}
+        )
+
+    @app.delete("/p/<foo>")
+    async def delete(request, foo):
+        return json(
+            {"name": request.route.name, "body": str(request.body), "foo": foo}
+        )
+
+    payload = {"test": "OK"}
+    data = str(json_dumps(payload).encode())
+
+    _, response = app.test_client.put("/", json=payload)
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.put",
+        "foo": None,
+        "body": data,
+    }
+    _, response = app.test_client.put("/p", json=payload)
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.put",
+        "foo": None,
+        "body": data,
+    }
+    _, response = app.test_client.put("/p/test", json=payload)
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.put",
+        "foo": "test",
+        "body": data,
+    }
+    _, response = app.test_client.delete("/p/test")
+    assert response.status == 200
+    assert response.json == {
+        "name": "test_conflicting_body_methods_overload.delete",
+        "foo": "test",
+        "body": str("".encode()),
+    }
+
+
+def test_handler_overload(app):
+    @app.get("/long/sub/route/param_a/<param_a:str>/param_b/<param_b:str>")
+    @app.post("/long/sub/route/")
+    def handler(request, **kwargs):
+        return json(kwargs)
+
+    _, response = app.test_client.get(
+        "/long/sub/route/param_a/foo/param_b/bar"
+    )
+    assert response.status == 200
+    assert response.json == {
+        "param_a": "foo",
+        "param_b": "bar",
+    }
+    _, response = app.test_client.post("/long/sub/route")
+    assert response.status == 200
+    assert response.json == {}

tests/test_response.py

@@ -1,23 +1,19 @@
 import asyncio
 import inspect
 import os
-import warnings
 
 from collections import namedtuple
 from mimetypes import guess_type
 from random import choice
-from unittest.mock import MagicMock
 from urllib.parse import unquote
 
 import pytest
 
 from aiofiles import os as async_os
-from sanic_testing.testing import HOST, PORT
 
 from sanic import Sanic
 from sanic.response import (
     HTTPResponse,
-    StreamingHTTPResponse,
     empty,
     file,
     file_stream,
@@ -26,7 +22,6 @@ from sanic.response import (
     stream,
     text,
 )
-from sanic.server import HttpProtocol
 
 
 JSON_DATA = {"ok": True}
@@ -65,7 +60,9 @@ def test_method_not_allowed():
     }
 
     request, response = app.test_client.post("/")
-    assert set(response.headers["Allow"].split(", ")) == {"GET", "HEAD"}
+    assert set(response.headers["Allow"].split(", ")) == {
+        "GET",
+    }
 
     app.router.reset()
 
@@ -78,7 +75,6 @@ def test_method_not_allowed():
     assert set(response.headers["Allow"].split(", ")) == {
         "GET",
         "POST",
-        "HEAD",
     }
     assert response.headers["Content-Length"] == "0"
 
@@ -87,7 +83,6 @@ def test_method_not_allowed():
     assert set(response.headers["Allow"].split(", ")) == {
         "GET",
         "POST",
-        "HEAD",
     }
     assert response.headers["Content-Length"] == "0"
 
@@ -229,7 +224,6 @@ def non_chunked_streaming_app(app):
             sample_streaming_fn,
             headers={"Content-Length": "7"},
             content_type="text/csv",
-            chunked=False,
         )
 
     return app
@@ -256,11 +250,7 @@ async def test_chunked_streaming_returns_correct_content_asgi(streaming_app):
 
 
 def test_non_chunked_streaming_adds_correct_headers(non_chunked_streaming_app):
-    with pytest.warns(UserWarning) as record:
-        request, response = non_chunked_streaming_app.test_client.get("/")
-
-    assert len(record) == 1
-    assert "removed in v21.6" in record[0].message.args[0]
+    request, response = non_chunked_streaming_app.test_client.get("/")
 
     assert "Transfer-Encoding" not in response.headers
     assert response.headers["Content-Type"] == "text/csv"
@@ -534,3 +524,19 @@ def test_empty_response(app):
     request, response = app.test_client.get("/test")
     assert response.content_type is None
     assert response.body == b""
+
+
+def test_direct_response_stream(app):
+    @app.route("/")
+    async def test(request):
+        response = await request.respond(content_type="text/csv")
+        await response.send("foo,")
+        await response.send("bar")
+        await response.eof()
+        return response
+
+    _, response = app.test_client.get("/")
+    assert response.text == "foo,bar"
+    assert response.headers["Transfer-Encoding"] == "chunked"
+    assert response.headers["Content-Type"] == "text/csv"
+    assert "Content-Length" not in response.headers

tests/test_routes.py

@@ -258,7 +258,7 @@ def test_route_strict_slash(app):
 def test_route_invalid_parameter_syntax(app):
     with pytest.raises(ValueError):
 
-        @app.get("/get/<:string>", strict_slashes=True)
+        @app.get("/get/<:str>", strict_slashes=True)
         def handler(request):
             return text("OK")
 
@@ -478,7 +478,7 @@ def test_dynamic_route(app):
 def test_dynamic_route_string(app):
     results = []
 
-    @app.route("/folder/<name:string>")
+    @app.route("/folder/<name:str>")
     async def handler(request, name):
         results.append(name)
         return text("OK")
@@ -513,7 +513,7 @@ def test_dynamic_route_int(app):
 def test_dynamic_route_number(app):
     results = []
 
-    @app.route("/weight/<weight:number>")
+    @app.route("/weight/<weight:float>")
     async def handler(request, weight):
         results.append(weight)
         return text("OK")
@@ -543,9 +543,6 @@ def test_dynamic_route_regex(app):
     async def handler(request, folder_id):
         return text("OK")
 
-    app.router.finalize()
-    print(app.router.find_route_src)
-
     request, response = app.test_client.get("/folder/test")
     assert response.status == 200
 
@@ -587,6 +584,8 @@ def test_dynamic_route_path(app):
     async def handler(request, path):
         return text("OK")
 
+    app.router.finalize()
+
     request, response = app.test_client.get("/path/1/info")
     assert response.status == 200
 
@@ -824,7 +823,7 @@ def test_dynamic_add_route_string(app):
         results.append(name)
         return text("OK")
 
-    app.add_route(handler, "/folder/<name:string>")
+    app.add_route(handler, "/folder/<name:str>")
     request, response = app.test_client.get("/folder/test123")
 
     assert response.text == "OK"
@@ -860,7 +859,7 @@ def test_dynamic_add_route_number(app):
         results.append(weight)
         return text("OK")
 
-    app.add_route(handler, "/weight/<weight:number>")
+    app.add_route(handler, "/weight/<weight:float>")
 
     request, response = app.test_client.get("/weight/12345")
     assert response.text == "OK"
@@ -1008,14 +1007,8 @@ def test_unmergeable_overload_routes(app):
     async def handler2(request):
         return text("OK1")
 
-    assert (
-        len(
-            dict(list(app.router.static_routes.values())[0].handlers)[
-                "overload_whole"
-            ]
-        )
-        == 3
-    )
+    assert len(app.router.static_routes) == 1
+    assert len(app.router.static_routes[("overload_whole",)].methods) == 3
 
     request, response = app.test_client.get("/overload_whole")
     assert response.text == "OK1"
@@ -1073,7 +1066,8 @@ def test_uri_with_different_method_and_different_params(app):
         return json({"action": action})
 
     request, response = app.test_client.get("/ads/1234")
-    assert response.status == 405
+    assert response.status == 200
+    assert response.json == {"ad_id": "1234"}
 
     request, response = app.test_client.post("/ads/post")
     assert response.status == 200

tests/test_signals.py

@@ -28,7 +28,8 @@ def test_add_signal_decorator(app):
     async def async_signal(*_):
         ...
 
-    assert len(app.signal_router.routes) == 1
+    assert len(app.signal_router.routes) == 2
+    assert len(app.signal_router.dynamic_routes) == 1
 
 
 @pytest.mark.parametrize(
@@ -79,13 +80,13 @@ async def test_dispatch_signal_triggers_triggers_event(app):
     def sync_signal(*args):
         nonlocal app
         nonlocal counter
-        signal, *_ = app.signal_router.get("foo.bar.baz")
-        counter += signal.ctx.event.is_set()
+        group, *_ = app.signal_router.get("foo.bar.baz")
+        for signal in group:
+            counter += signal.ctx.event.is_set()
 
     app.signal_router.finalize()
 
     await app.dispatch("foo.bar.baz")
-    signal, *_ = app.signal_router.get("foo.bar.baz")
 
     assert counter == 1
 
@@ -224,7 +225,7 @@ async def test_dispatch_signal_triggers_event_on_bp(app):
 
     app.blueprint(bp)
     app.signal_router.finalize()
-    signal, *_ = app.signal_router.get(
+    signal_group, *_ = app.signal_router.get(
         "foo.bar.baz", condition={"blueprint": "bp"}
     )
 
@@ -233,7 +234,8 @@ async def test_dispatch_signal_triggers_event_on_bp(app):
     assert isawaitable(waiter)
 
     fut = asyncio.ensure_future(do_wait())
-    signal.ctx.event.set()
+    for signal in signal_group:
+        signal.ctx.event.set()
     await fut
 
     assert bp_counter == 1
@@ -255,17 +257,60 @@ def test_bad_finalize(app):
     assert counter == 0
 
 
-def test_event_not_exist(app):
+@pytest.mark.asyncio
+async def test_event_not_exist(app):
     with pytest.raises(NotFound, match="Could not find signal does.not.exist"):
-        app.event("does.not.exist")
+        await app.event("does.not.exist")
 
 
-def test_event_not_exist_on_bp(app):
+@pytest.mark.asyncio
+async def test_event_not_exist_on_bp(app):
     bp = Blueprint("bp")
     app.blueprint(bp)
 
     with pytest.raises(NotFound, match="Could not find signal does.not.exist"):
-        bp.event("does.not.exist")
+        await bp.event("does.not.exist")
+
+
+@pytest.mark.asyncio
+async def test_event_not_exist_with_autoregister(app):
+    app.config.EVENT_AUTOREGISTER = True
+    try:
+        await app.event("does.not.exist", timeout=0.1)
+    except asyncio.TimeoutError:
+        ...
+
+
+@pytest.mark.asyncio
+async def test_dispatch_signal_triggers_non_exist_event_with_autoregister(app):
+    @app.signal("some.stand.in")
+    async def signal_handler():
+        ...
+
+    app.config.EVENT_AUTOREGISTER = True
+    app_counter = 0
+    app.signal_router.finalize()
+
+    async def do_wait():
+        nonlocal app_counter
+        await app.event("foo.bar.baz")
+        app_counter += 1
+
+    fut = asyncio.ensure_future(do_wait())
+    await app.dispatch("foo.bar.baz")
+    await fut
+
+    assert app_counter == 1
+
+
+@pytest.mark.asyncio
+async def test_dispatch_not_exist(app):
+    @app.signal("do.something.start")
+    async def signal_handler():
+        ...
+
+    app.signal_router.finalize()
+    await app.dispatch("does.not.exist")
 
 
 def test_event_on_bp_not_registered():

tests/test_static.py

@@ -1,11 +1,16 @@
 import inspect
+import logging
 import os
 
+from collections import Counter
 from pathlib import Path
 from time import gmtime, strftime
 
 import pytest
 
+from sanic import text
+from sanic.exceptions import FileNotFound
+
 
 @pytest.fixture(scope="module")
 def static_file_directory():
@@ -454,3 +459,51 @@ def test_nested_dir(app, static_file_directory):
 
     assert response.status == 200
     assert response.text == "foo\n"
+
+
+def test_stack_trace_on_not_found(app, static_file_directory, caplog):
+    app.static("/static", static_file_directory)
+
+    with caplog.at_level(logging.INFO):
+        _, response = app.test_client.get("/static/non_existing_file.file")
+
+    counter = Counter([r[1] for r in caplog.record_tuples])
+
+    assert response.status == 404
+    assert counter[logging.INFO] == 5
+    assert counter[logging.ERROR] == 0
+
+
+def test_no_stack_trace_on_not_found(app, static_file_directory, caplog):
+    app.static("/static", static_file_directory)
+
+    @app.exception(FileNotFound)
+    async def file_not_found(request, exception):
+        return text(f"No file: {request.path}", status=404)
+
+    with caplog.at_level(logging.INFO):
+        _, response = app.test_client.get("/static/non_existing_file.file")
+
+    counter = Counter([r[1] for r in caplog.record_tuples])
+
+    assert response.status == 404
+    assert counter[logging.INFO] == 5
+    assert logging.ERROR not in counter
+    assert response.text == "No file: /static/non_existing_file.file"
+
+
+def test_multiple_statics(app, static_file_directory):
+    app.static("/file", get_file_path(static_file_directory, "test.file"))
+    app.static("/png", get_file_path(static_file_directory, "python.png"))
+
+    _, response = app.test_client.get("/file")
+    assert response.status == 200
+    assert response.body == get_file_content(
+        static_file_directory, "test.file"
+    )
+
+    _, response = app.test_client.get("/png")
+    assert response.status == 200
+    assert response.body == get_file_content(
+        static_file_directory, "python.png"
+    )

tests/test_timeout_logic.py

@@ -1,6 +1,5 @@
 import asyncio
 
-from time import monotonic as current_time
 from unittest.mock import Mock
 
 import pytest

tests/test_unix_socket.py

@@ -1,6 +1,7 @@
 import asyncio
 import logging
 import os
+import platform
 import subprocess
 import sys
 
@@ -175,6 +176,10 @@ def test_unix_connection_multiple_workers():
     app_multi.run(host="myhost.invalid", unix=SOCKPATH, workers=2)
 
 
+@pytest.mark.xfail(
+    condition=platform.system() != "Linux",
+    reason="Flaky Test on Non Linux Infra",
+)
 async def test_zero_downtime():
     """Graceful server termination and socket replacement on restarts"""
     from signal import SIGINT

tests/test_url_building.py

@@ -143,7 +143,7 @@ def test_fails_url_build_if_params_not_passed(app):
 
 COMPLEX_PARAM_URL = (
     "/<foo:int>/<four_letter_string:[A-z]{4}>/"
-    "<two_letter_string:[A-z]{2}>/<normal_string>/<some_number:number>"
+    "<two_letter_string:[A-z]{2}>/<normal_string>/<some_number:float>"
 )
 PASSING_KWARGS = {
     "foo": 4,
@@ -168,7 +168,7 @@ def test_fails_with_int_message(app):
 
     expected_error = (
         r'Value "not_int" for parameter `foo` '
-        r"does not match pattern for type `int`: ^-?\d+"
+        r"does not match pattern for type `int`: ^-?\d+$"
     )
     assert str(e.value) == expected_error
 
@@ -223,7 +223,7 @@ def test_fails_with_number_message(app):
 
 @pytest.mark.parametrize("number", [3, -3, 13.123, -13.123])
 def test_passes_with_negative_number_message(app, number):
-    @app.route("path/<possibly_neg:number>/another-word")
+    @app.route("path/<possibly_neg:float>/another-word")
     def good(request, possibly_neg):
         assert isinstance(possibly_neg, (int, float))
         return text(f"this should pass with `{possibly_neg}`")

tests/test_versioning.py

@@ -0,0 +1,141 @@
+import pytest
+
+from sanic import Blueprint, text
+
+
+@pytest.fixture
+def handler():
+    def handler(_):
+        return text("Done.")
+
+    return handler
+
+
+def test_route(app, handler):
+    app.route("/", version=1)(handler)
+
+    _, response = app.test_client.get("/v1")
+    assert response.status == 200
+
+
+def test_bp(app, handler):
+    bp = Blueprint(__file__, version=1)
+    bp.route("/")(handler)
+    app.blueprint(bp)
+
+    _, response = app.test_client.get("/v1")
+    assert response.status == 200
+
+
+def test_bp_use_route(app, handler):
+    bp = Blueprint(__file__, version=1)
+    bp.route("/", version=1.1)(handler)
+    app.blueprint(bp)
+
+    _, response = app.test_client.get("/v1.1")
+    assert response.status == 200
+
+
+def test_bp_group(app, handler):
+    bp = Blueprint(__file__)
+    bp.route("/")(handler)
+    group = Blueprint.group(bp, version=1)
+    app.blueprint(group)
+
+    _, response = app.test_client.get("/v1")
+    assert response.status == 200
+
+
+def test_bp_group_use_bp(app, handler):
+    bp = Blueprint(__file__, version=1.1)
+    bp.route("/")(handler)
+    group = Blueprint.group(bp, version=1)
+    app.blueprint(group)
+
+    _, response = app.test_client.get("/v1.1")
+    assert response.status == 200
+
+
+def test_bp_group_use_registration(app, handler):
+    bp = Blueprint(__file__, version=1.1)
+    bp.route("/")(handler)
+    group = Blueprint.group(bp, version=1)
+    app.blueprint(group, version=1.2)
+
+    _, response = app.test_client.get("/v1.2")
+    assert response.status == 200
+
+
+def test_bp_group_use_route(app, handler):
+    bp = Blueprint(__file__, version=1.1)
+    bp.route("/", version=1.3)(handler)
+    group = Blueprint.group(bp, version=1)
+    app.blueprint(group, version=1.2)
+
+    _, response = app.test_client.get("/v1.3")
+    assert response.status == 200
+
+
+def test_version_prefix_route(app, handler):
+    app.route("/", version=1, version_prefix="/api/v")(handler)
+
+    _, response = app.test_client.get("/api/v1")
+    assert response.status == 200
+
+
+def test_version_prefix_bp(app, handler):
+    bp = Blueprint(__file__, version=1, version_prefix="/api/v")
+    bp.route("/")(handler)
+    app.blueprint(bp)
+
+    _, response = app.test_client.get("/api/v1")
+    assert response.status == 200
+
+
+def test_version_prefix_bp_use_route(app, handler):
+    bp = Blueprint(__file__, version=1, version_prefix="/ignore/v")
+    bp.route("/", version=1.1, version_prefix="/api/v")(handler)
+    app.blueprint(bp)
+
+    _, response = app.test_client.get("/api/v1.1")
+    assert response.status == 200
+
+
+def test_version_prefix_bp_group(app, handler):
+    bp = Blueprint(__file__)
+    bp.route("/")(handler)
+    group = Blueprint.group(bp, version=1, version_prefix="/api/v")
+    app.blueprint(group)
+
+    _, response = app.test_client.get("/api/v1")
+    assert response.status == 200
+
+
+def test_version_prefix_bp_group_use_bp(app, handler):
+    bp = Blueprint(__file__, version=1.1, version_prefix="/api/v")
+    bp.route("/")(handler)
+    group = Blueprint.group(bp, version=1, version_prefix="/ignore/v")
+    app.blueprint(group)
+
+    _, response = app.test_client.get("/api/v1.1")
+    assert response.status == 200
+
+
+def test_version_prefix_bp_group_use_registration(app, handler):
+    bp = Blueprint(__file__, version=1.1, version_prefix="/alsoignore/v")
+    bp.route("/")(handler)
+    group = Blueprint.group(bp, version=1, version_prefix="/ignore/v")
+    app.blueprint(group, version=1.2, version_prefix="/api/v")
+
+    _, response = app.test_client.get("/api/v1.2")
+    assert response.status == 200
+
+
+def test_version_prefix_bp_group_use_route(app, handler):
+    bp = Blueprint(__file__, version=1.1, version_prefix="/alsoignore/v")
+    bp.route("/", version=1.3, version_prefix="/api/v")(handler)
+    group = Blueprint.group(bp, version=1, version_prefix="/ignore/v")
+    app.blueprint(group, version=1.2, version_prefix="/stillignoring/v")
+
+    _, response = app.test_client.get("/api/v1.3")
+    assert response.status == 200

tests/test_views.py

@@ -77,6 +77,56 @@ def test_with_bp(app):
     assert response.text == "I am get method"
 
 
+def test_with_attach(app):
+    class DummyView(HTTPMethodView):
+        def get(self, request):
+            return text("I am get method")
+
+    DummyView.attach(app, "/")
+
+    request, response = app.test_client.get("/")
+
+    assert response.text == "I am get method"
+
+
+def test_with_sub_init(app):
+    class DummyView(HTTPMethodView, attach=app, uri="/"):
+        def get(self, request):
+            return text("I am get method")
+
+    request, response = app.test_client.get("/")
+
+    assert response.text == "I am get method"
+
+
+def test_with_attach_and_bp(app):
+    bp = Blueprint("test_text")
+
+    class DummyView(HTTPMethodView):
+        def get(self, request):
+            return text("I am get method")
+
+    DummyView.attach(bp, "/")
+
+    app.blueprint(bp)
+    request, response = app.test_client.get("/")
+
+    assert response.text == "I am get method"
+
+
+def test_with_sub_init_and_bp(app):
+    bp = Blueprint("test_text")
+
+    class DummyView(HTTPMethodView, attach=bp, uri="/"):
+        def get(self, request):
+            return text("I am get method")
+
+    app.blueprint(bp)
+    request, response = app.test_client.get("/")
+
+    assert response.text == "I am get method"
+
+
 def test_with_bp_with_url_prefix(app):
     bp = Blueprint("test_text", url_prefix="/test1")
 
@@ -218,15 +268,15 @@ def test_composition_view_runs_methods_as_expected(app, method):
         assert response.status == 200
         assert response.text == "first method"
 
-        # response = view(request)
-        # assert response.body.decode() == "first method"
+        response = view(request)
+        assert response.body.decode() == "first method"
 
-    # if method in ["DELETE", "PATCH"]:
-    #     request, response = getattr(app.test_client, method.lower())("/")
-    #     assert response.text == "second method"
+    if method in ["DELETE", "PATCH"]:
+        request, response = getattr(app.test_client, method.lower())("/")
+        assert response.text == "second method"
 
-    #     response = view(request)
-    #     assert response.body.decode() == "second method"
+        response = view(request)
+        assert response.body.decode() == "second method"
 
 
 @pytest.mark.parametrize("method", HTTP_METHODS)
@@ -244,3 +294,12 @@ def test_composition_view_rejects_invalid_methods(app, method):
     if method in ["DELETE", "PATCH"]:
         request, response = getattr(app.test_client, method.lower())("/")
         assert response.status == 405
+
+
+def test_composition_view_deprecation():
+    message = (
+        "CompositionView has been deprecated and will be removed in v21.12. "
+        "Please update your view to HTTPMethodView."
+    )
+    with pytest.warns(DeprecationWarning, match=message):
+        CompositionView()

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py37, py38, py39, pyNightly, {py37,py38,py39,pyNightly}-no-ext, lint, check, security, docs
+envlist = py37, py38, py39, pyNightly, pypy37, {py37,py38,py39,pyNightly,pypy37}-no-ext, lint, check, security, docs, type-checking
 
 [testenv]
 usedevelop = True
@@ -7,7 +7,7 @@ setenv =
     {py37,py38,py39,pyNightly}-no-ext: SANIC_NO_UJSON=1
     {py37,py38,py39,pyNightly}-no-ext: SANIC_NO_UVLOOP=1
 deps =
-    sanic-testing
+    sanic-testing>=0.6.0
     coverage==5.3
     pytest==5.2.1
     pytest-cov
@@ -18,7 +18,7 @@ deps =
     beautifulsoup4
     gunicorn==20.0.4
     uvicorn
-    websockets>=8.1,<9.0
+    websockets>=9.0
 commands =
     pytest {posargs:tests --cov sanic}
     - coverage combine --append
@@ -39,7 +39,8 @@ commands =
 
 [testenv:type-checking]
 deps =
-    mypy
+    mypy>=0.901
+    types-ujson
 
 commands =
     mypy sanic
@@ -75,6 +76,23 @@ deps =
     docutils
     pygments
     gunicorn==20.0.4
-
 commands =
     make docs-test
+
+[testenv:coverage]
+usedevelop = True
+deps =
+    sanic-testing>=0.6.0
+    coverage==5.3
+    pytest==5.2.1
+    pytest-cov
+    pytest-sanic
+    pytest-sugar
+    pytest-benchmark
+    chardet==3.*
+    beautifulsoup4
+    gunicorn==20.0.4
+    uvicorn
+    websockets>=9.0
+commands =
+    pytest tests --cov=./sanic --cov-report=xml