Version Bump

Co-authored-by: Adam Hopkins <adam@amhopkins.com>
Co-authored-by: Zhiwei Liang <zhi.wei.liang@outlook.com>

.github/workflows/codeql-analysis.yml

@@ -2,9 +2,13 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ main ]
+    branches:
+      - main
+      - "*LTS"
   pull_request:
-    branches: [ main ]
+    branches:
+      - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
   schedule:
     - cron: '25 16 * * 0'

.github/workflows/coverage.yml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - main
+      - "*LTS"
     tags:
       - "!*" # Do not execute on tags
   pull_request:

.github/workflows/pr-bandit.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

.github/workflows/pr-docs.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

.github/workflows/pr-linter.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

.github/workflows/pr-python310.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

.github/workflows/pr-python37.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

.github/workflows/pr-python38.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

.github/workflows/pr-python39.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

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

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:
@@ -15,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         config:
-          - { python-version: 3.7, tox-env: type-checking}
+          # - { python-version: 3.7, tox-env: type-checking}
           - { python-version: 3.8, tox-env: type-checking}
           - { python-version: 3.9, tox-env: type-checking}
           - { python-version: "3.10", tox-env: type-checking}

.github/workflows/pr-windows.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
       - main
+      - "*LTS"
     types: [opened, synchronize, reopened, ready_for_review]
 
 jobs:

codecov.yml

@@ -0,0 +1,28 @@
+coverage:
+  status:
+    patch:
+      default:
+        target: auto
+        threshold: 0.75
+        informational: true
+    project:
+      default:
+        target: auto
+        threshold: 0.5
+  precision: 3
+codecov:
+  require_ci_to_pass: false
+ignore:
+  - "sanic/__main__.py"
+  - "sanic/compat.py"
+  - "sanic/reloader_helpers.py"
+  - "sanic/simple.py"
+  - "sanic/utils.py"
+  - "sanic/cli"
+  - ".github/"
+  - "changelogs/"
+  - "docker/"
+  - "docs/"
+  - "examples/"
+  - "scripts/"
+  - "tests/"

docs/sanic/releases/21/21.12.md

@@ -1,3 +1,9 @@
+## Version 21.12.1
+
+- [#2349](https://github.com/sanic-org/sanic/pull/2349) Only display MOTD on startup
+- [#2354](https://github.com/sanic-org/sanic/pull/2354) Ignore name argument in Python 3.7
+- [#2355](https://github.com/sanic-org/sanic/pull/2355) Add config.update support for all config values
+
 ## Version 21.12.0
 
 ### Features

sanic/__version__.py

@@ -1 +1 @@
-__version__ = "21.12.0"
+__version__ = "21.12.2"

sanic/app.py

@@ -1552,10 +1552,19 @@ class Sanic(BaseSanic, metaclass=TouchUpMeta):
         name: Optional[str] = None,
         register: bool = True,
     ) -> Task:
-        prepped = cls._prep_task(task, app, loop)
+        if not isinstance(task, Future):
-        task = loop.create_task(prepped, name=name)
+            prepped = cls._prep_task(task, app, loop)
+            if sys.version_info < (3, 8):
+                if name:
+                    error_logger.warning(
+                        "Cannot set a name for a task when using Python 3.7. "
+                        "Your task will be created without a name."
+                    )
+                task = loop.create_task(prepped)
+            else:
+                task = loop.create_task(prepped, name=name)
 
-        if name and register:
+        if name and register and sys.version_info > (3, 7):
             app._task_registry[name] = task
 
         return task
@@ -1617,10 +1626,12 @@ class Sanic(BaseSanic, metaclass=TouchUpMeta):
     def get_task(
         self, name: str, *, raise_exception: bool = True
     ) -> Optional[Task]:
-        if sys.version_info == (3, 7):
+        if sys.version_info < (3, 8):
-            raise RuntimeError(
+            error_logger.warning(
-                "This feature is only supported on using Python 3.8+."
+                "This feature (get_task) is only supported on using "
+                "Python 3.8+."
             )
+            return
         try:
             return self._task_registry[name]
         except KeyError:
@@ -1637,10 +1648,12 @@ class Sanic(BaseSanic, metaclass=TouchUpMeta):
         *,
         raise_exception: bool = True,
     ) -> None:
-        if sys.version_info == (3, 7):
+        if sys.version_info < (3, 8):
-            raise RuntimeError(
+            error_logger.warning(
-                "This feature is only supported on using Python 3.8+."
+                "This feature (cancel_task) is only supported on using "
+                "Python 3.8+."
             )
+            return
         task = self.get_task(name, raise_exception=raise_exception)
         if task and not task.cancelled():
             args: Tuple[str, ...] = ()
@@ -1659,10 +1672,12 @@ class Sanic(BaseSanic, metaclass=TouchUpMeta):
                 ...
 
     def purge_tasks(self):
-        if sys.version_info == (3, 7):
+        if sys.version_info < (3, 8):
-            raise RuntimeError(
+            error_logger.warning(
-                "This feature is only supported on using Python 3.8+."
+                "This feature (purge_tasks) is only supported on using "
+                "Python 3.8+."
             )
+            return
         for task in self.tasks:
             if task.done() or task.cancelled():
                 name = task.get_name()
@@ -1675,10 +1690,12 @@ class Sanic(BaseSanic, metaclass=TouchUpMeta):
     def shutdown_tasks(
         self, timeout: Optional[float] = None, increment: float = 0.1
     ):
-        if sys.version_info == (3, 7):
+        if sys.version_info < (3, 8):
-            raise RuntimeError(
+            error_logger.warning(
-                "This feature is only supported on using Python 3.8+."
+                "This feature (shutdown_tasks) is only supported on using "
+                "Python 3.8+."
             )
+            return
         for task in self.tasks:
             task.cancel()
 
@@ -1692,10 +1709,12 @@ class Sanic(BaseSanic, metaclass=TouchUpMeta):
 
     @property
     def tasks(self):
-        if sys.version_info == (3, 7):
+        if sys.version_info < (3, 8):
-            raise RuntimeError(
+            error_logger.warning(
-                "This feature is only supported on using Python 3.8+."
+                "This feature (tasks) is only supported on using "
+                "Python 3.8+."
             )
+            return
         return iter(self._task_registry.values())
 
     # -------------------------------------------------------------------- #
@@ -1709,7 +1728,8 @@ class Sanic(BaseSanic, metaclass=TouchUpMeta):
         details: https://asgi.readthedocs.io/en/latest
         """
         self.asgi = True
-        self.motd("")
+        if scope["type"] == "lifespan":
+            self.motd("")
         self._asgi_app = await ASGIApp.create(self, scope, receive, send)
         asgi_app = self._asgi_app
         await asgi_app()

sanic/config.py

@@ -124,22 +124,27 @@ class Config(dict, metaclass=DescriptorMeta):
             raise AttributeError(f"Config has no '{ke.args[0]}'")
 
     def __setattr__(self, attr, value) -> None:
-        if attr in self.__class__.__setters__:
-            try:
-                super().__setattr__(attr, value)
-            except AttributeError:
-                ...
-            else:
-                return None
         self.update({attr: value})
 
     def __setitem__(self, attr, value) -> None:
         self.update({attr: value})
 
     def update(self, *other, **kwargs) -> None:
-        other_mapping = {k: v for item in other for k, v in dict(item).items()}
+        kwargs.update({k: v for item in other for k, v in dict(item).items()})
-        super().update(*other, **kwargs)
+        setters: Dict[str, Any] = {
-        for attr, value in {**other_mapping, **kwargs}.items():
+            k: kwargs.pop(k)
+            for k in {**kwargs}.keys()
+            if k in self.__class__.__setters__
+        }
+
+        for key, value in setters.items():
+            try:
+                super().__setattr__(key, value)
+            except AttributeError:
+                ...
+
+        super().update(**kwargs)
+        for attr, value in {**setters, **kwargs}.items():
             self._post_set(attr, value)
 
     def _post_set(self, attr, value) -> None:

sanic/mixins/routes.py

@@ -4,8 +4,7 @@ from functools import partial, wraps
 from inspect import getsource, signature
 from mimetypes import guess_type
 from os import path
-from pathlib import PurePath
+from pathlib import Path, PurePath
-from re import sub
 from textwrap import dedent
 from time import gmtime, strftime
 from typing import Any, Callable, Iterable, List, Optional, Set, Tuple, Union
@@ -17,12 +16,7 @@ from sanic.base.meta import SanicMeta
 from sanic.compat import stat_async
 from sanic.constants import DEFAULT_HTTP_CONTENT_TYPE, HTTP_METHODS
 from sanic.errorpages import RESPONSE_MAPPING
-from sanic.exceptions import (
+from sanic.exceptions import ContentRangeError, FileNotFound, HeaderNotFound
-    ContentRangeError,
-    FileNotFound,
-    HeaderNotFound,
-    InvalidUsage,
-)
 from sanic.handlers import ContentRangeHandler
 from sanic.log import deprecation, error_logger
 from sanic.models.futures import FutureRoute, FutureStatic
@@ -775,32 +769,40 @@ class RouteMixin(metaclass=SanicMeta):
         content_type=None,
         __file_uri__=None,
     ):
-        # Using this to determine if the URL is trying to break out of the path
-        # served.  os.path.realpath seems to be very slow
-        if __file_uri__ and "../" in __file_uri__:
-            raise InvalidUsage("Invalid URL")
         # Merge served directory and requested file if provided
-        # Strip all / that in the beginning of the URL to help prevent python
+        file_path_raw = Path(unquote(file_or_directory))
-        # from herping a derp and treating the uri as an absolute path
+        root_path = file_path = file_path_raw.resolve()
-        root_path = file_path = file_or_directory
+        not_found = FileNotFound(
-        if __file_uri__:
+            "File not found",
-            file_path = path.join(
+            path=file_or_directory,
-                file_or_directory, sub("^[/]*", "", __file_uri__)
+            relative_url=__file_uri__,
-            )
+        )
 
-        # URL decode the path sent by the browser otherwise we won't be able to
+        if __file_uri__:
-        # match filenames which got encoded (filenames with spaces etc)
+            # Strip all / that in the beginning of the URL to help prevent
-        file_path = path.abspath(unquote(file_path))
+            # python from herping a derp and treating the uri as an
-        if not file_path.startswith(path.abspath(unquote(root_path))):
+            # absolute path
-            error_logger.exception(
+            unquoted_file_uri = unquote(__file_uri__).lstrip("/")
-                f"File not found: path={file_or_directory}, "
+            file_path_raw = Path(file_or_directory, unquoted_file_uri)
-                f"relative_url={__file_uri__}"
+            file_path = file_path_raw.resolve()
-            )
+            if (
-            raise FileNotFound(
+                file_path < root_path and not file_path_raw.is_symlink()
-                "File not found",
+            ) or ".." in file_path_raw.parts:
-                path=file_or_directory,
+                error_logger.exception(
-                relative_url=__file_uri__,
+                    f"File not found: path={file_or_directory}, "
-            )
+                    f"relative_url={__file_uri__}"
+                )
+                raise not_found
+
+        try:
+            file_path.relative_to(root_path)
+        except ValueError:
+            if not file_path_raw.is_symlink():
+                error_logger.exception(
+                    f"File not found: path={file_or_directory}, "
+                    f"relative_url={__file_uri__}"
+                )
+                raise not_found
         try:
             headers = {}
             # Check if the client has been sent this file before
@@ -868,11 +870,7 @@ class RouteMixin(metaclass=SanicMeta):
         except ContentRangeError:
             raise
         except FileNotFoundError:
-            raise FileNotFound(
+            raise not_found
-                "File not found",
-                path=file_or_directory,
-                relative_url=__file_uri__,
-            )
         except Exception:
             error_logger.exception(
                 f"Exception in static request handler: "

tests/test_config.py

@@ -5,7 +5,7 @@ from os import environ
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from textwrap import dedent
-from unittest.mock import Mock
+from unittest.mock import Mock, call
 
 import pytest
 
@@ -385,5 +385,24 @@ def test_config_set_methods(app, monkeypatch):
     post_set.assert_called_once_with("FOO", 5)
     post_set.reset_mock()
 
-    app.config.update_config({"FOO": 6})
+    app.config.update({"FOO": 6}, {"BAR": 7})
-    post_set.assert_called_once_with("FOO", 6)
+    post_set.assert_has_calls(
+        calls=[
+            call("FOO", 6),
+            call("BAR", 7),
+        ]
+    )
+    post_set.reset_mock()
+
+    app.config.update({"FOO": 8}, BAR=9)
+    post_set.assert_has_calls(
+        calls=[
+            call("FOO", 8),
+            call("BAR", 9),
+        ],
+        any_order=True,
+    )
+    post_set.reset_mock()
+
+    app.config.update_config({"FOO": 10})
+    post_set.assert_called_once_with("FOO", 10)

tests/test_create_task.py

@@ -2,6 +2,7 @@ import asyncio
 import sys
 
 from threading import Event
+from unittest.mock import Mock
 
 import pytest
 
@@ -77,6 +78,25 @@ def test_create_named_task(app):
     app.run()
 
 
+def test_named_task_called(app):
+    e = Event()
+
+    async def coro():
+        e.set()
+
+    @app.route("/")
+    async def isset(request):
+        await asyncio.sleep(0.05)
+        return text(str(e.is_set()))
+
+    @app.before_server_start
+    async def setup(app, _):
+        app.add_task(coro, name="dummy_task")
+
+    request, response = app.test_client.get("/")
+    assert response.body == b"True"
+
+
 @pytest.mark.skipif(sys.version_info < (3, 8), reason="Not supported in 3.7")
 def test_create_named_task_fails_outside_app(app):
     async def dummy():

tests/test_errorpages.py

@@ -334,6 +334,22 @@ def test_config_fallback_before_and_after_startup(app):
     assert response.content_type == "text/plain; charset=utf-8"
 
 
+def test_config_fallback_using_update_dict(app):
+    app.config.update({"FALLBACK_ERROR_FORMAT": "text"})
+
+    _, response = app.test_client.get("/error")
+    assert response.status == 500
+    assert response.content_type == "text/plain; charset=utf-8"
+
+
+def test_config_fallback_using_update_kwarg(app):
+    app.config.update(FALLBACK_ERROR_FORMAT="text")
+
+    _, response = app.test_client.get("/error")
+    assert response.status == 500
+    assert response.content_type == "text/plain; charset=utf-8"
+
+
 def test_config_fallback_bad_value(app):
     message = "Unknown format: fake"
     with pytest.raises(SanicException, match=message):

tests/test_pipelining.py

@@ -62,19 +62,15 @@ def test_streaming_body_requests(app):
 
     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)
 
+    async def stream(data):
+        for value in data:
+            yield value.encode("utf-8")
+
     with client:
-        _, response1 = client.post("/", data=Data(data))
+        _, response1 = client.post("/", data=stream(data))
-        _, response2 = client.post("/", data=Data(data))
+        _, response2 = client.post("/", data=stream(data))
 
     assert response1.status == response2.status == 200
     assert response1.json["data"] == response2.json["data"] == data

tests/test_server_loop.py

@@ -4,8 +4,8 @@ from unittest.mock import Mock, patch
 
 import pytest
 
-from sanic.server import loop
 from sanic.compat import OS_IS_WINDOWS, UVLOOP_INSTALLED
+from sanic.server import loop
 
 
 @pytest.mark.skipif(

tests/test_static.py

@@ -1,6 +1,7 @@
 import inspect
 import logging
 import os
+import sys
 
 from collections import Counter
 from pathlib import Path
@@ -8,7 +9,7 @@ from time import gmtime, strftime
 
 import pytest
 
-from sanic import text
+from sanic import Sanic, text
 from sanic.exceptions import FileNotFound
 
 
@@ -21,6 +22,22 @@ def static_file_directory():
     return static_directory
 
 
+@pytest.fixture(scope="module")
+def double_dotted_directory_file(static_file_directory: str):
+    """Generate double dotted directory and its files"""
+    if sys.platform == "win32":
+        raise Exception("Windows doesn't support double dotted directories")
+
+    file_path = Path(static_file_directory) / "dotted.." / "dot.txt"
+    double_dotted_dir = file_path.parent
+    Path.mkdir(double_dotted_dir, exist_ok=True)
+    with open(file_path, "w") as f:
+        f.write("DOT\n")
+    yield file_path
+    Path.unlink(file_path)
+    Path.rmdir(double_dotted_dir)
+
+
 def get_file_path(static_file_directory, file_name):
     return os.path.join(static_file_directory, file_name)
 
@@ -578,3 +595,43 @@ def test_resource_type_dir(app, static_file_directory):
 def test_resource_type_unknown(app, static_file_directory, caplog):
     with pytest.raises(ValueError):
         app.static("/static", static_file_directory, resource_type="unknown")
+
+
+@pytest.mark.skipif(
+    sys.platform == "win32",
+    reason="Windows does not support double dotted directories",
+)
+def test_dotted_dir_ok(
+    app: Sanic, static_file_directory: str, double_dotted_directory_file: Path
+):
+    app.static("/foo", static_file_directory)
+    dot_relative_path = str(
+        double_dotted_directory_file.relative_to(static_file_directory)
+    )
+    _, response = app.test_client.get("/foo/" + dot_relative_path)
+    assert response.status == 200
+    assert response.body == b"DOT\n"
+
+
+def test_breakout(app: Sanic, static_file_directory: str):
+    app.static("/foo", static_file_directory)
+
+    _, response = app.test_client.get("/foo/..%2Ffake/server.py")
+    assert response.status == 404
+
+    _, response = app.test_client.get("/foo/..%2Fstatic/test.file")
+    assert response.status == 404
+
+
+@pytest.mark.skipif(
+    sys.platform != "win32", reason="Block backslash on Windows only"
+)
+def test_double_backslash_prohibited_on_win32(
+    app: Sanic, static_file_directory: str
+):
+    app.static("/foo", static_file_directory)
+
+    _, response = app.test_client.get("/foo/static/..\\static/test.file")
+    assert response.status == 404
+    _, response = app.test_client.get("/foo/static\\../static/test.file")
+    assert response.status == 404