📝 PEP8: Add code quality configuration files (ruff, flake8, mypy)

Author: FernandoCelmer

.code_quality/.flake8

@@ -0,0 +1,18 @@
+[flake8]
+extend-ignore = E203
+exclude =
+    .git,
+    __pycache__,
+    docs,
+    old,
+    build,
+    dist,
+    ./venv,
+    .venv,
+    migrations,
+    alembic
+max-complexity = 12
+show-source = True
+statistics = True
+count = True
+max-line-length = 79

.code_quality/.gitkeep

@@ -0,0 +1,22 @@
+[tool.black]
+line-length = 79
+target-version = ['py312']
+include = '\.pyi?$'
+extend-exclude = '''
+/(
+  # directories
+  \.eggs
+  | \.git
+  | \.hg
+  | \.mypy_cache
+  | \.tox
+  | \.venv
+  | venv
+  | _build
+  | buck-out
+  | build
+  | dist
+  | migrations
+  | alembic
+)/
+'''

.code_quality/black.toml

@@ -0,0 +1,21 @@
+[isort]
+profile = black
+line_length = 79
+multi_line_output = 3
+include_trailing_comma = True
+force_grid_wrap = 0
+use_parentheses = True
+ensure_newline_before_comments = True
+skip_gitignore = True
+
+known_first_party = app
+
+sections = FUTURE,STDLIB,THIRDPARTY,FIRSTPARTY,LOCALFOLDER
+
+skip_glob =
+    */migrations/*
+    */alembic/*
+    */build/*
+    */dist/*
+    */.venv/*
+    */venv/*

.code_quality/isort.cfg

@@ -0,0 +1,27 @@
+[mypy]
+python_version = 3.12
+
+warn_return_any = True
+warn_unused_configs = True
+disallow_untyped_defs = False
+disallow_incomplete_defs = False
+check_untyped_defs = True
+disallow_untyped_decorators = False
+no_implicit_optional = True
+warn_redundant_casts = True
+warn_unused_ignores = True
+warn_no_return = True
+warn_unreachable = True
+strict_equality = True
+show_error_codes = True
+
+exclude = build/,dist/,venv/,.venv/,migrations/,alembic/
+
+[mypy-mkdocs.*]
+ignore_missing_imports = True
+
+[mypy-mkdocs_simple_blog.*]
+disallow_untyped_defs = False
+
+[mypy-tests.*]
+disallow_untyped_defs = False

.code_quality/mypy.ini

@@ -0,0 +1,59 @@
+# Ruff configuration
+# Modern and fast Python linter
+
+# Line length
+line-length = 79
+
+# Target Python version
+target-version = "py312"
+
+# Exclude patterns
+exclude = [
+    ".git",
+    "__pycache__",
+    ".venv",
+    "venv",
+    "build",
+    "dist",
+    "migrations",
+    "alembic",
+    "*.egg-info",
+]
+
+# Lint configuration
+[lint]
+# Enable specific rule sets
+select = [
+    "E",   # pycodestyle errors
+    "W",   # pycodestyle warnings
+    "F",   # pyflakes
+    "I",   # isort
+    "B",   # flake8-bugbear
+    "C4",  # flake8-comprehensions
+    "UP",  # pyupgrade
+    "ARG", # flake8-unused-arguments
+    "SIM", # flake8-simplify
+]
+
+# Ignore specific rules
+ignore = [
+    "E501",  # Line too long (handled by formatter)
+    "B008",  # Do not perform function calls in argument defaults
+    "E203",  # Whitespace before ':' (flake8 compatibility - handled separately)
+]
+
+# Allowed configurations for specific rules
+[lint.per-file-ignores]
+"__init__.py" = ["F401"]  # Allow unused imports in __init__.py
+"tests/**" = ["ARG001", "S101"]  # Allow unused arguments and assert in tests
+
+# Import sorting (isort)
+[lint.isort]
+known-first-party = ["mkdocs_simple_blog"]
+force-single-line = false
+
+# Formatting (alternative to black)
+[format]
+quote-style = "double"
+indent-style = "space"
+skip-magic-trailing-comma = false

.code_quality/ruff.toml

@@ -127,3 +127,7 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+
+# Configuration files
+.vscode