chore: refactor code quality issues (#2044)

.deepsource.toml

@@ -0,0 +1,12 @@
+version = 1
+
+test_patterns = ["tests/**"]
+
+exclude_patterns = ["docker/**"]
+
+[[analyzers]]
+name = "python"
+enabled = true
+
+  [analyzers.meta]
+  runtime_version = "3.x.x"

sanic/mixins/listeners.py

@@ -19,7 +19,7 @@ class ListenerEvent(str, Enum):
 
 class ListenerMixin:
     def __init__(self, *args, **kwargs) -> None:
-        self._future_listeners: List[FutureListener] = list()
+        self._future_listeners: List[FutureListener] = []
 
     def _apply_listener(self, listener: FutureListener):
         raise NotImplementedError  # noqa

sanic/mixins/middleware.py

@@ -6,7 +6,7 @@ from sanic.models.futures import FutureMiddleware
 
 class MiddlewareMixin:
     def __init__(self, *args, **kwargs) -> None:
-        self._future_middleware: List[FutureMiddleware] = list()
+        self._future_middleware: List[FutureMiddleware] = []
 
     def _apply_middleware(self, middleware: FutureMiddleware):
         raise NotImplementedError  # noqa

sanic/websocket.py

@@ -177,7 +177,7 @@ class WebSocketConnection:
             {
                 "type": "websocket.accept",
                 "subprotocol": ",".join(
-                    [subprotocol for subprotocol in self.subprotocols]
+                    list(self.subprotocols)
                 ),
             }
         )

sanic/worker.py

@@ -5,7 +5,7 @@ import signal
 import sys
 import traceback
 
-from gunicorn.workers import base as base  # type: ignore
+from gunicorn.workers import base  # type: ignore
 
 from sanic.log import logger
 from sanic.server import HttpProtocol, Signal, serve, trigger_events

scripts/changelog.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 from os import path
+import sys
 
 if __name__ == "__main__":
     try:
@@ -10,7 +11,7 @@ if __name__ == "__main__":
         print(
             "Please make sure you have a installed towncrier and click before using this tool"
         )
-        exit(1)
+        sys.exit(1)
 
     @click.command()
     @click.option(

scripts/release.py

@@ -10,6 +10,7 @@ from subprocess import Popen, PIPE
 
 from jinja2 import Environment, BaseLoader
 from requests import patch
+import sys
 import towncrier
 
 GIT_COMMANDS = {
@@ -124,7 +125,7 @@ def _get_current_tag(git_command_name="get_tag"):
     global GIT_COMMANDS
     command = GIT_COMMANDS.get(git_command_name)
     out, err, ret = _run_shell_command(command)
-    if len(str(out)):
+    if str(out):
         return str(out).split("\n")[0]
     else:
         return None
@@ -178,7 +179,7 @@ def _update_release_version_for_sanic(
                 err.decode("utf-8")
             )
         )
-        exit(1)
+        sys.exit(1)
 
 
 def _generate_change_log(current_version: str = None):
@@ -186,13 +187,13 @@ def _generate_change_log(current_version: str = None):
     command = GIT_COMMANDS.get("get_change_log")
     command[0] = command[0].format(current_version=current_version)
     output, error, ret = _run_shell_command(command=command)
-    if not len(str(output)):
+    if not str(output):
         print("Unable to Fetch Change log details to update the Release Note")
-        exit(1)
+        sys.exit(1)
 
     commit_details = OrderedDict()
-    commit_details["authors"] = dict()
+    commit_details["authors"] = {}
-    commit_details["commits"] = list()
+    commit_details["commits"] = []
 
     for line in str(output).split("\n"):
         commit, author, description = line.split(":::")
@@ -228,7 +229,7 @@ def _tag_release(new_version, current_version, milestone, release_name, token):
         out, error, ret = _run_shell_command(command=command)
         if int(ret) != 0:
             print("Failed to execute the command: {}".format(command[0]))
-            exit(1)
+            sys.exit(1)
 
     change_log = _generate_markdown_document(
         milestone, release_name, current_version, new_version
@@ -256,7 +257,7 @@ def release(args: Namespace):
                 current_tag, current_version
             )
         )
-        exit(1)
+        sys.exit(1)
     new_version = args.release_version or _get_new_version(
         args.config, current_version, args.micro_release
     )
@@ -348,6 +349,6 @@ if __name__ == "__main__":
         }.items():
             if not value:
                 print(f"{key} is mandatory while using --tag-release")
-                exit(1)
+                sys.exit(1)
     with Directory():
         release(args)

tests/test_blueprints.py

@@ -388,7 +388,7 @@ def test_bp_middleware_with_route(app):
 
 def test_bp_middleware_order(app):
     blueprint = Blueprint("test_bp_middleware_order")
-    order = list()
+    order = []
 
     @blueprint.middleware("request")
     def mw_1(request):

tests/test_reloader.py

@@ -83,7 +83,7 @@ argv = dict(
     [
         (dict(port=42102, auto_reload=True), "script"),
         (dict(port=42103, debug=True), "module"),
-        (dict(), "sanic"),
+        ({}, "sanic"),
     ],
 )
 async def test_reloader_live(runargs, mode):

tests/test_response.py

@@ -374,7 +374,7 @@ def test_file_head_response(app, file_name, static_file_directory):
         file_path = os.path.join(static_file_directory, filename)
         file_path = os.path.abspath(unquote(file_path))
         stats = await async_os.stat(file_path)
-        headers = dict()
+        headers = {}
         headers["Accept-Ranges"] = "bytes"
         headers["Content-Length"] = str(stats.st_size)
         if request.method == "HEAD":
@@ -450,7 +450,7 @@ def test_file_stream_head_response(app, file_name, static_file_directory):
     async def file_route(request, filename):
         file_path = os.path.join(static_file_directory, filename)
         file_path = os.path.abspath(unquote(file_path))
-        headers = dict()
+        headers = {}
         headers["Accept-Ranges"] = "bytes"
         if request.method == "HEAD":
             # Return a normal HTTPResponse, not a

tests/test_static.py

@@ -103,7 +103,7 @@ def test_static_file_bytes(app, static_file_directory, file_name):
 
 @pytest.mark.parametrize(
     "file_name",
-    [dict(), list(), object()],
+    [{}, [], object()],
 )
 def test_static_file_invalid_path(app, static_file_directory, file_name):
     app.route("/")(lambda x: x)

tests/test_url_building.py

@@ -2,7 +2,7 @@ import string
 
 from urllib.parse import parse_qsl, urlsplit
 
-import pytest as pytest
+import pytest
 
 from sanic_testing.testing import HOST as test_host
 from sanic_testing.testing import PORT as test_port

tests/test_views.py

@@ -1,4 +1,4 @@
-import pytest as pytest
+import pytest
 
 from sanic.blueprints import Blueprint
 from sanic.constants import HTTP_METHODS