refactor: avoid to use wildcard imports

src/wtforms/__init__.py

@@ -1,7 +1,78 @@
 from wtforms import validators
 from wtforms import widgets
-from wtforms.fields import *
+from wtforms.fields.choices import RadioField
+from wtforms.fields.choices import SelectField
+from wtforms.fields.choices import SelectMultipleField
+from wtforms.fields.core import Field
+from wtforms.fields.core import Flags
+from wtforms.fields.core import Label
+from wtforms.fields.datetime import DateField
+from wtforms.fields.datetime import DateTimeField
+from wtforms.fields.datetime import DateTimeLocalField
+from wtforms.fields.datetime import MonthField
+from wtforms.fields.datetime import TimeField
+from wtforms.fields.datetime import WeekField
+from wtforms.fields.form import FormField
+from wtforms.fields.list import FieldList
+from wtforms.fields.numeric import DecimalField
+from wtforms.fields.numeric import DecimalRangeField
+from wtforms.fields.numeric import FloatField
+from wtforms.fields.numeric import IntegerField
+from wtforms.fields.numeric import IntegerRangeField
+from wtforms.fields.simple import BooleanField
+from wtforms.fields.simple import ColorField
+from wtforms.fields.simple import EmailField
+from wtforms.fields.simple import FileField
+from wtforms.fields.simple import HiddenField
+from wtforms.fields.simple import MultipleFileField
+from wtforms.fields.simple import PasswordField
+from wtforms.fields.simple import SearchField
+from wtforms.fields.simple import StringField
+from wtforms.fields.simple import SubmitField
+from wtforms.fields.simple import TelField
+from wtforms.fields.simple import TextAreaField
+from wtforms.fields.simple import URLField
 from wtforms.form import Form
 from wtforms.validators import ValidationError
 
+
 __version__ = "3.1.2"
+
+__all__ = [
+    "validators",
+    "widgets",
+    "Form",
+    "ValidationError",
+    "SelectField",
+    "SelectMultipleField",
+    "RadioField",
+    "Field",
+    "Flags",
+    "Label",
+    "DateTimeField",
+    "DateField",
+    "TimeField",
+    "MonthField",
+    "DateTimeLocalField",
+    "WeekField",
+    "FormField",
+    "FieldList",
+    "IntegerField",
+    "DecimalField",
+    "FloatField",
+    "IntegerRangeField",
+    "DecimalRangeField",
+    "BooleanField",
+    "TextAreaField",
+    "PasswordField",
+    "FileField",
+    "MultipleFileField",
+    "HiddenField",
+    "SearchField",
+    "SubmitField",
+    "StringField",
+    "TelField",
+    "URLField",
+    "EmailField",
+    "ColorField",
+]

src/wtforms/fields/__init__.py

@@ -1,11 +1,69 @@
-from wtforms.fields.choices import *
-from wtforms.fields.choices import SelectFieldBase
+from wtforms.fields.choices import RadioField
+from wtforms.fields.choices import SelectField
+from wtforms.fields.choices import SelectMultipleField
 from wtforms.fields.core import Field
 from wtforms.fields.core import Flags
 from wtforms.fields.core import Label
-from wtforms.fields.datetime import *
-from wtforms.fields.form import *
-from wtforms.fields.list import *
-from wtforms.fields.numeric import *
-from wtforms.fields.simple import *
+from wtforms.fields.datetime import DateField
+from wtforms.fields.datetime import DateTimeField
+from wtforms.fields.datetime import DateTimeLocalField
+from wtforms.fields.datetime import MonthField
+from wtforms.fields.datetime import TimeField
+from wtforms.fields.datetime import WeekField
+from wtforms.fields.form import FormField
+from wtforms.fields.list import FieldList
+from wtforms.fields.numeric import DecimalField
+from wtforms.fields.numeric import DecimalRangeField
+from wtforms.fields.numeric import FloatField
+from wtforms.fields.numeric import IntegerField
+from wtforms.fields.numeric import IntegerRangeField
+from wtforms.fields.simple import BooleanField
+from wtforms.fields.simple import ColorField
+from wtforms.fields.simple import EmailField
+from wtforms.fields.simple import FileField
+from wtforms.fields.simple import HiddenField
+from wtforms.fields.simple import MultipleFileField
+from wtforms.fields.simple import PasswordField
+from wtforms.fields.simple import SearchField
+from wtforms.fields.simple import StringField
+from wtforms.fields.simple import SubmitField
+from wtforms.fields.simple import TelField
+from wtforms.fields.simple import TextAreaField
+from wtforms.fields.simple import URLField
 from wtforms.utils import unset_value as _unset_value
+
+__all__ = [
+    "Field",
+    "Flags",
+    "Label",
+    "SelectField",
+    "SelectMultipleField",
+    "RadioField",
+    "DateTimeField",
+    "DateField",
+    "TimeField",
+    "MonthField",
+    "DateTimeLocalField",
+    "WeekField",
+    "FormField",
+    "IntegerField",
+    "DecimalField",
+    "FloatField",
+    "IntegerRangeField",
+    "DecimalRangeField",
+    "BooleanField",
+    "TextAreaField",
+    "PasswordField",
+    "FileField",
+    "MultipleFileField",
+    "HiddenField",
+    "SearchField",
+    "SubmitField",
+    "StringField",
+    "TelField",
+    "URLField",
+    "EmailField",
+    "ColorField",
+    "FieldList",
+    "_unset_value",
+]

src/wtforms/widgets/__init__.py

@@ -1,3 +1,57 @@
-from wtforms.widgets.core import *
+from wtforms.widgets.core import CheckboxInput
+from wtforms.widgets.core import ColorInput
+from wtforms.widgets.core import DateInput
+from wtforms.widgets.core import DateTimeInput
+from wtforms.widgets.core import DateTimeLocalInput
+from wtforms.widgets.core import EmailInput
+from wtforms.widgets.core import FileInput
+from wtforms.widgets.core import HiddenInput
 from wtforms.widgets.core import html_params
 from wtforms.widgets.core import Input
+from wtforms.widgets.core import ListWidget
+from wtforms.widgets.core import MonthInput
+from wtforms.widgets.core import NumberInput
+from wtforms.widgets.core import Option
+from wtforms.widgets.core import PasswordInput
+from wtforms.widgets.core import RadioInput
+from wtforms.widgets.core import RangeInput
+from wtforms.widgets.core import SearchInput
+from wtforms.widgets.core import Select
+from wtforms.widgets.core import SubmitInput
+from wtforms.widgets.core import TableWidget
+from wtforms.widgets.core import TelInput
+from wtforms.widgets.core import TextArea
+from wtforms.widgets.core import TextInput
+from wtforms.widgets.core import TimeInput
+from wtforms.widgets.core import URLInput
+from wtforms.widgets.core import WeekInput
+
+__all__ = [
+    "CheckboxInput",
+    "ColorInput",
+    "DateInput",
+    "DateTimeInput",
+    "DateTimeLocalInput",
+    "EmailInput",
+    "FileInput",
+    "HiddenInput",
+    "ListWidget",
+    "MonthInput",
+    "NumberInput",
+    "Option",
+    "PasswordInput",
+    "RadioInput",
+    "RangeInput",
+    "SearchInput",
+    "Select",
+    "SubmitInput",
+    "TableWidget",
+    "TextArea",
+    "TextInput",
+    "TelInput",
+    "TimeInput",
+    "URLInput",
+    "WeekInput",
+    "html_params",
+    "Input",
+]

tests/fields/test_custom.py

@@ -1,7 +1,7 @@
 import pytest
 
-from wtforms.fields import SelectFieldBase
 from wtforms.fields import StringField
+from wtforms.fields.choices import SelectFieldBase
 from wtforms.form import Form