[python] Migrate from flake8 to ruff

This has the advantage of being able to automatically format the
generated code for us as well as validating it. It also allows us to
remove the setup.cfg file.

Signed-off-by: Stephen Finucane <stephen@that.guru>

Author: stephenfin

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonClientCodegen.java

@@ -286,7 +286,6 @@ public void processOpts() {
             supportingFiles.add(new SupportingFile("tox.mustache", "", "tox.ini"));
             supportingFiles.add(new SupportingFile("test-requirements.mustache", "", "test-requirements.txt"));
             supportingFiles.add(new SupportingFile("requirements.mustache", "", "requirements.txt"));
-            supportingFiles.add(new SupportingFile("setup_cfg.mustache", "", "setup.cfg"));
 
             supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));
             supportingFiles.add(new SupportingFile("gitignore.mustache", "", ".gitignore"));

modules/openapi-generator/src/main/resources/python/__init__model.mustache

@@ -1,5 +1,3 @@
-# coding: utf-8
-
 # flake8: noqa
 {{>partial_header}}
 

modules/openapi-generator/src/main/resources/python/__init__package.mustache

@@ -1,10 +1,7 @@
-# coding: utf-8
-
 # flake8: noqa
 
 {{>partial_header}}
 
-
 __version__ = "{{packageVersion}}"
 
 # Define package exports

modules/openapi-generator/src/main/resources/python/pyproject.mustache

@@ -47,14 +47,16 @@ Repository = "https://{{{gitHost}}}/{{{gitUserId}}}/{{{gitRepoId}}}"
 [tool.poetry.group.dev.dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
-tox = ">= 3.9.0"
-flake8 = ">= 4.0.0"
+ruff = ">= 0.14.0"
 types-python-dateutil = ">= 2.8.19.14"
 mypy = ">= 1.5"
 
 [tool.pylint.'MESSAGES CONTROL']
 extension-pkg-whitelist = "pydantic"
 
+[tool.ruff.lint]
+select = ["E4", "E5", "E7", "E9", "F"]
+
 [tool.mypy]
 files = [
   "{{{packageName}}}",

modules/openapi-generator/src/main/resources/python/setup_cfg.mustache

@@ -1,6 +1,5 @@
 pytest >= 7.2.1
 pytest-cov >= 2.8.1
-tox >= 3.9.0
-flake8 >= 4.0.0
+ruff >= 0.14.0
 types-python-dateutil >= 2.8.19.14
 mypy >= 1.5

modules/openapi-generator/src/main/resources/python/test-requirements.mustache

@@ -51,7 +51,6 @@ openapi_client/py.typed
 openapi_client/rest.py
 pyproject.toml
 requirements.txt
-setup.cfg
 test-requirements.txt
 test/__init__.py
 test/test_auth_api.py

samples/client/echo_api/python/.openapi-generator/FILES

@@ -1,5 +1,3 @@
-# coding: utf-8
-
 # flake8: noqa
 
 """
@@ -14,7 +12,6 @@
     Do not edit the class manually.
 """  # noqa: E501
 
-
 __version__ = "1.0.0"
 
 # Define package exports

samples/client/echo_api/python/openapi_client/__init__.py

@@ -1,5 +1,3 @@
-# coding: utf-8
-
 # flake8: noqa
 """
     Echo Server API

samples/client/echo_api/python/openapi_client/models/__init__.py

@@ -26,14 +26,16 @@ Repository = "https://github.com/GIT_USER_ID/GIT_REPO_ID"
 [tool.poetry.group.dev.dependencies]
 pytest = ">= 7.2.1"
 pytest-cov = ">= 2.8.1"
-tox = ">= 3.9.0"
-flake8 = ">= 4.0.0"
+ruff = ">= 0.14.0"
 types-python-dateutil = ">= 2.8.19.14"
 mypy = ">= 1.5"
 
 [tool.pylint.'MESSAGES CONTROL']
 extension-pkg-whitelist = "pydantic"
 
+[tool.ruff.lint]
+select = ["E4", "E5", "E7", "E9", "F"]
+
 [tool.mypy]
 files = [
   "openapi_client",