.mypy.ini

[mypy]
# Show error codes in error messages.
show_error_codes = True

# Arguments with a default value of None are not implicitly Optional.
no_implicit_optional = True

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

# Warns about casting an expression to its inferred type.
warn_redundant_casts = True

# Warns about unneeded # type: ignore comments.
warn_unused_ignores = True

# Warns when mypy configuration contains unknown options
warn_unused_configs = True

# Shows errors for missing return statements on some execution paths.
warn_no_return = True

# Check unannotated functions for type errors
check_untyped_defs = 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

# Disallows calling functions without type annotations from functions with type annotations.
disallow_untyped_calls = True

# Reports an error whenever a function with type annotations is decorated with
# a decorator without annotations.
disallow_untyped_decorators = 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

# 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 = False

# 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 = False

# By default, imported values to a module are treated as exported and mypy allows
# other modules to import them. When false, mypy will not re-export unless the item
# is imported using from-as or is included in __all__.
# Note that mypy treats stub files as if this is always disabled.
implicit_reexport = True

# Use an SQLite database to store the cache.
sqlite_cache = False

# Include fine-grained dependency information in the cache for the mypy daemon.
cache_fine_grained = False

# --------------------------------------------------------------------------------------------------
# End of default settings
# --------------------------------------------------------------------------------------------------

exclude = (?x)(
    # Python virtual environment
    ^venv/
    | ^build/
    | ^docs/
    | ^tools/
  )

# --------------------
# Additional checks
# --------------------

# Require decorating methods that override parent ones with @override
enable_error_code = explicit-override

[mypy-mistletoe.*]
ignore_missing_imports = True

[mypy-qiskit.*]
ignore_missing_imports = True

[mypy-qiskit_aer.*]
ignore_missing_imports = True

[mypy-qiskit_algorithms.*]
ignore_missing_imports = True

[mypy-qiskit_experiments.*]
ignore_missing_imports = True

[mypy-scipy.*]
ignore_missing_imports = True