[pre-commit.ci lite] apply automatic fixes

Author: pre-commit-ci-lite[bot]

src/flask_wtf/csrf.py

@@ -2,11 +2,17 @@
 import hmac
 import logging
 import os
-from typing import Any, Callable, Optional, Set, Union, TypeVar
+from typing import Any
+from typing import Callable
+from typing import Optional
+from typing import Set
+from typing import TypeVar
+from typing import Union
 from urllib.parse import urlparse
 
-from flask import Blueprint, Flask
+from flask import Blueprint
 from flask import current_app
+from flask import Flask
 from flask import g
 from flask import request
 from flask import session
@@ -20,10 +26,12 @@
 __all__ = ("generate_csrf", "validate_csrf", "CSRFProtect")
 logger = logging.getLogger(__name__)
 
-F = TypeVar('F', bound=Callable[..., object])
+F = TypeVar("F", bound=Callable[..., object])
 
 
-def generate_csrf(secret_key: Optional[str] = None, token_key: Optional[str] = None) -> str:
+def generate_csrf(
+    secret_key: Optional[str] = None, token_key: Optional[str] = None
+) -> str:
     """Generate a CSRF token. The token is cached for a request, so multiple
     calls to this function will generate the same token.
 
@@ -66,7 +74,12 @@ def generate_csrf(secret_key: Optional[str] = None, token_key: Optional[str] = N
     return g.get(field_name)
 
 
-def validate_csrf(data: str, secret_key: Optional[str] = None, time_limit: Optional[int] = None, token_key: Optional[str] = None) -> None:
+def validate_csrf(
+    data: str,
+    secret_key: Optional[str] = None,
+    time_limit: Optional[int] = None,
+    token_key: Optional[str] = None,
+) -> None:
     """Check if the given data is a valid CSRF token. This compares the given
     signed token to the one stored in the session.
 
@@ -119,7 +132,11 @@ def validate_csrf(data: str, secret_key: Optional[str] = None, time_limit: Optio
 
 
 def _get_config(
-    value: Any, config_name: str, default: Any = None, required: bool = True, message: str = "CSRF is not configured."
+    value: Any,
+    config_name: str,
+    default: Any = None,
+    required: bool = True,
+    message: str = "CSRF is not configured.",
 ) -> Any:
     """Find config value based on provided value, Flask config, and default
     value.

src/flask_wtf/file.py

@@ -1,10 +1,14 @@
 from collections import abc
-from typing import Any, List, Optional, Union
+from typing import Any
+from typing import List
+from typing import Optional
+from typing import Union
 
 from werkzeug.datastructures import FileStorage
+from wtforms import Field
 from wtforms import FileField as _FileField
+from wtforms import Form
 from wtforms import MultipleFileField as _MultipleFileField
-from wtforms import Form, Field
 from wtforms.validators import DataRequired
 from wtforms.validators import StopValidation
 from wtforms.validators import ValidationError
@@ -72,7 +76,9 @@ class FileAllowed:
     You can also use the synonym ``file_allowed``.
     """
 
-    def __init__(self, upload_set: Union[List[str], Any], message: Optional[str] = None) -> None:
+    def __init__(
+        self, upload_set: Union[List[str], Any], message: Optional[str] = None
+    ) -> None:
         self.upload_set = upload_set
         self.message = message
 
@@ -118,7 +124,9 @@ class FileSize:
     You can also use the synonym ``file_size``.
     """
 
-    def __init__(self, max_size: int, min_size: int = 0, message: Optional[str] = None) -> None:
+    def __init__(
+        self, max_size: int, min_size: int = 0, message: Optional[str] = None
+    ) -> None:
         self.min_size = min_size
         self.max_size = max_size
         self.message = message

src/flask_wtf/form.py

@@ -1,4 +1,11 @@
-from typing import Any, Dict, Generator, Optional, Type, TypeVar, Union
+from collections.abc import Generator
+from typing import Any
+from typing import Dict
+from typing import Optional
+from typing import Type
+from typing import TypeVar
+from typing import Union
+
 from flask import current_app
 from flask import request
 from flask import session
@@ -21,8 +28,9 @@
 SUBMIT_METHODS = {"POST", "PUT", "PATCH", "DELETE"}
 _Auto = object()
 
-_AutoType = TypeVar('_AutoType', bound=object)
-T = TypeVar('T', bound='FlaskForm')
+_AutoType = TypeVar("_AutoType", bound=object)
+T = TypeVar("T", bound="FlaskForm")
+
 
 class FlaskForm(Form):
     """Flask-specific subclass of WTForms :class:`~wtforms.form.Form`.
@@ -52,7 +60,11 @@ def csrf_field_name(self) -> str:
         def csrf_time_limit(self) -> int:
             return current_app.config.get("WTF_CSRF_TIME_LIMIT", 3600)
 
-        def wrap_formdata(self, form: 'FlaskForm', formdata: Union[_AutoType, CombinedMultiDict, ImmutableMultiDict, None]) -> Optional[Union[CombinedMultiDict, ImmutableMultiDict]]:
+        def wrap_formdata(
+            self,
+            form: "FlaskForm",
+            formdata: Union[_AutoType, CombinedMultiDict, ImmutableMultiDict, None],
+        ) -> Optional[Union[CombinedMultiDict, ImmutableMultiDict]]:
             if formdata is _Auto:
                 if _is_submitted():
                     if request.files:
@@ -66,7 +78,7 @@ def wrap_formdata(self, form: 'FlaskForm', formdata: Union[_AutoType, CombinedMu
 
             return formdata
 
-        def get_translations(self, form: 'FlaskForm') -> Optional[Any]:
+        def get_translations(self, form: "FlaskForm") -> Optional[Any]:
             if not current_app.config.get("WTF_I18N_ENABLED", True):
                 return super().get_translations(form)
 
@@ -82,7 +94,9 @@ def is_submitted(self) -> bool:
 
         return _is_submitted()
 
-    def validate_on_submit(self, extra_validators: Optional[Dict[str, Any]] = None) -> bool:
+    def validate_on_submit(
+        self, extra_validators: Optional[Dict[str, Any]] = None
+    ) -> bool:
         """Call :meth:`validate` only if the form is submitted.
         This is a shortcut for ``form.is_submitted() and form.validate()``.
         """