setup.cfg

[mypy]
mypy_path = ./stubs
python_version = 3.8
# https://mypy.readthedocs.io/en/latest/config_file.html
#### Additional opt-in checks of mypy.
# Disallows usage of types that come from unfollowed imports (anything imported from an unfollowed import is automatically given a type of Any).
disallow_any_unimported = True
# Disallows all expressions in the module that have type Any.
disallow_any_expr = False
# Disallows functions that have Any in their signature after decorator transformation.
disallow_any_decorated = False
# Disallows explicit Any in type positions such as type annotations and generic type parameters.
disallow_any_explicit = False
# Disallows usage of generic types that do not specify explicit type parameters.
disallow_any_generics = True
# Disallows subclassing a value of type Any.
disallow_subclassing_any = True

# Disallows calling functions without type annotations from functions with type annotations.
disallow_untyped_calls = True
# Disallows defining functions without type annotations or with incomplete type annotations.
disallow_untyped_defs = True
# Disallows defining functions with incomplete type annotations.
disallow_incomplete_defs = True
# Type-checks the interior of functions without type annotations.
check_untyped_defs = True
# Reports an error whenever a function with type annotations is decorated with a decorator without annotations.
disallow_untyped_decorators = True


# Warns about casting an expression to its inferred type.
warn_redundant_casts = True
# Warns about unneeded # type: ignore comments.
warn_unused_ignores = True
# Shows errors for missing return statements on some execution paths.
warn_no_return = True
# Shows a warning when returning a value with type Any from a function declared with a non- Any return type.
warn_return_any = True
# Shows a warning when encountering any code inferred to be unreachable or redundant after performing type analysis.
warn_unreachable = True


# Prohibit equality checks, identity checks, and container checks between non-overlapping types.
strict_equality = True

[mypy-tests.*]
# For test cases, we don’t need to annotate functions.
disallow_untyped_defs = False
# disallow_incomplete_defs = False
# warn_no_return = False