django.forms BooleanField Python Code Examples

BooleanField (documentation) from Django's forms module enables safe handling of "true" and "false" values via an HTTP POST request that includes data from an HTML form generated by a web application.

Example 1 from dccnsys

dccnsys is a conference registration system built with Django. The code is open source under the MIT license.

dccnsys / wwwdccn / review /

from django import forms

from review.models import Review, check_review_details

class EditReviewForm(forms.ModelForm):
    class Meta:
        model = Review
        fields = [
            'technical_merit', 'relevance', 'originality', 'clarity',
            'details', 'submitted'

    submitted = forms.BooleanField(required=False)
    technical_merit = forms.ChoiceField(choices=Review.SCORE_CHOICES, required=False)
    relevance = forms.ChoiceField(choices=Review.SCORE_CHOICES, required=False)
    originality = forms.ChoiceField(choices=Review.SCORE_CHOICES, required=False)
    details = forms.CharField(widget=forms.Textarea(attrs={'rows': '5'}), required=False)

    def clean(self):
        cleaned_data = super().clean()
        if cleaned_data['submitted']:
            # If the review is submitted, it must provide scores and details
            # with the number of words as specified in the submission type:
            is_incomplete = False
            for score_field in self.instance.score_fields().keys():
                if not cleaned_data[score_field]:
                    self.add_error(score_field, 'Must select a score')
                    is_incomplete = True
            stype = self.instance.paper.stype
            if not check_review_details(cleaned_data['details'], stype):
                    f'Review details must have at least '
                    f'{stype.min_num_words_in_review} words'
                is_incomplete = True
            if is_incomplete:
                self.cleaned_data['submitted'] = False
                raise forms.ValidationError('Review is incomplete')
        return cleaned_data

Example 2 from django-allauth

django-allauth (project website) is a Django library for easily adding local and social authentication flows to Django projects. It is open source under the MIT License.

django-allauth / allauth / account /

from __future__ import absolute_import

import warnings
from importlib import import_module

from django import forms
from django.contrib.auth.tokens import PasswordResetTokenGenerator
from django.contrib.sites.shortcuts import get_current_site
from django.core import exceptions, validators
from django.urls import reverse
from django.utils.translation import pgettext

from allauth.compat import ugettext, ugettext_lazy as _

from ..utils import (
from . import app_settings
from .adapter import get_adapter
from .app_settings import AuthenticationMethod
from .models import EmailAddress
from .utils import (

class EmailAwarePasswordResetTokenGenerator(PasswordResetTokenGenerator):

    def _make_hash_value(self, user, timestamp):
        ret = super(
            EmailAwarePasswordResetTokenGenerator, self)._make_hash_value(
                user, timestamp)
        emails = set([] if else [])
            .values_list('email', flat=True))
        ret += '|'.join(sorted(emails))
        return ret

default_token_generator = EmailAwarePasswordResetTokenGenerator()

class PasswordVerificationMixin(object):
    def clean(self):
        cleaned_data = super(PasswordVerificationMixin, self).clean()
        password1 = cleaned_data.get('password1')
        password2 = cleaned_data.get('password2')
        if (password1 and password2) and password1 != password2:
                'password2', _("You must type the same password each time.")
        return cleaned_data

class PasswordField(forms.CharField):

    def __init__(self, *args, **kwargs):
        render_value = kwargs.pop('render_value',
        kwargs['widget'] = forms.PasswordInput(render_value=render_value,
        super(PasswordField, self).__init__(*args, **kwargs)

class SetPasswordField(PasswordField):

    def __init__(self, *args, **kwargs):
        super(SetPasswordField, self).__init__(*args, **kwargs)
        self.user = None

    def clean(self, value):
        value = super(SetPasswordField, self).clean(value)
        value = get_adapter().clean_password(value, user=self.user)
        return value

class LoginForm(forms.Form):

    password = PasswordField(label=_("Password"))
    remember = forms.BooleanField(label=_("Remember Me"),

    user = None
    error_messages = {
        _("This account is currently inactive."),

        _("The e-mail address and/or password you specified are not correct."),

        _("The username and/or password you specified are not correct."),

    def __init__(self, *args, **kwargs):
        self.request = kwargs.pop('request', None)
        super(LoginForm, self).__init__(*args, **kwargs)
        if app_settings.AUTHENTICATION_METHOD == AuthenticationMethod.EMAIL:
            login_widget = forms.TextInput(attrs={'type': 'email',
                                                  _('E-mail address'),
                                                  'autofocus': 'autofocus'})
            login_field = forms.EmailField(label=_("E-mail"),
        elif app_settings.AUTHENTICATION_METHOD \
                == AuthenticationMethod.USERNAME:
            login_widget = forms.TextInput(attrs={'placeholder':
                                                  'autofocus': 'autofocus'})
            login_field = forms.CharField(
            assert app_settings.AUTHENTICATION_METHOD \
                == AuthenticationMethod.USERNAME_EMAIL
            login_widget = forms.TextInput(attrs={'placeholder':
                                                  _('Username or e-mail'),
                                                  'autofocus': 'autofocus'})
            login_field = forms.CharField(label=pgettext("field label",
        self.fields["login"] = login_field
        set_form_field_order(self, ["login", "password", "remember"])
        if app_settings.SESSION_REMEMBER is not None:
            del self.fields['remember']

    def user_credentials(self):
        Provides the credentials required to authenticate the user for
        credentials = {}
        login = self.cleaned_data["login"]
        if app_settings.AUTHENTICATION_METHOD == AuthenticationMethod.EMAIL:
            credentials["email"] = login
        elif (
                app_settings.AUTHENTICATION_METHOD ==
            credentials["username"] = login
            if self._is_login_email(login):
                credentials["email"] = login
            credentials["username"] = login
        credentials["password"] = self.cleaned_data["password"]
        return credentials

    def clean_login(self):
        login = self.cleaned_data['login']
        return login.strip()

    def _is_login_email(self, login):
            ret = True
        except exceptions.ValidationError:
            ret = False
        return ret

    def clean(self):
        super(LoginForm, self).clean()
        if self._errors:
        credentials = self.user_credentials()
        user = get_adapter(self.request).authenticate(
        if user:
            self.user = user
            auth_method = app_settings.AUTHENTICATION_METHOD
            if auth_method == app_settings.AuthenticationMethod.USERNAME_EMAIL:
                login = self.cleaned_data['login']
                if self._is_login_email(login):
                    auth_method = app_settings.AuthenticationMethod.EMAIL
                    auth_method = app_settings.AuthenticationMethod.USERNAME
            raise forms.ValidationError(
                self.error_messages['%s_password_mismatch' % auth_method])
        return self.cleaned_data

    def login(self, request, redirect_url=None):
        ret = perform_login(request, self.user,
        remember = app_settings.SESSION_REMEMBER
        if remember is None:
            remember = self.cleaned_data['remember']
        if remember:
        return ret

## ... source file continues with no further BooleanField examples ...

Example 3 from django-cms

django-cms (project website) is a Python-based content management system (CMS) library for use with Django web apps that is open sourced under the BSD 3-Clause "New" license.

django-cms / cms / admin /

# -*- coding: utf-8 -*-
from django import forms
from django.apps import apps
from django.contrib.auth import get_user_model, get_permission_codename
from django.contrib.auth.models import Permission
from django.contrib.contenttypes.models import ContentType
from django.contrib.sites.models import Site
from django.core.exceptions import ValidationError, ObjectDoesNotExist
from django.forms.utils import ErrorList
from django.forms.widgets import HiddenInput
from django.template.defaultfilters import slugify
from django.utils.encoding import force_text
from django.utils.translation import ugettext, ugettext_lazy as _

from cms import api
from cms.apphook_pool import apphook_pool
from cms.cache.permissions import clear_permission_cache
from cms.exceptions import PluginLimitReached
from cms.extensions import extension_pool
from cms.forms.validators import validate_relative_url, validate_url_uniqueness
from cms.forms.widgets import UserSelectAdminWidget, AppHookSelect, ApplicationConfigSelect
from cms.models import (CMSPlugin, Page, PageType, PagePermission, PageUser, PageUserGroup, Title,
                        Placeholder, GlobalPagePermission, TreeNode)
from cms.models.permissionmodels import User
from cms.plugin_pool import plugin_pool
from cms.signals.apphook import set_restart_trigger
from cms.utils.conf import get_cms_setting
from cms.utils.compat.forms import UserChangeForm
from cms.utils.i18n import get_language_list, get_language_object
from cms.utils.permissions import (
from menus.menu_pool import menu_pool

def get_permission_accessor(obj):
    User = get_user_model()

    if isinstance(obj, (PageUser, User,)):
        rel_name = 'user_permissions'
        rel_name = 'permissions'
    return getattr(obj, rel_name)

def get_page_changed_by_filter_choices():
    # This is not site-aware
    # Been like this forever
    # Would be nice for it to filter out by site
    values = (
        .values_list('changed_by', flat=True)

    yield ('', _('All'))

    for value in values:
        yield (value, value)

def get_page_template_filter_choices():
    yield ('', _('All'))

    for value, name in get_cms_setting('TEMPLATES'):
        yield (value, name)

def save_permissions(data, obj):
    models = (
        (Page, 'page'),
        (PageUser, 'pageuser'),
        (PageUserGroup, 'pageuser'),
        (PagePermission, 'pagepermission'),

    if not
        # save obj, otherwise we can't assign permissions to him

    permission_accessor = get_permission_accessor(obj)

    for model, name in models:
        content_type = ContentType.objects.get_for_model(model)
        for key in ('add', 'change', 'delete'):
            # add permission `key` for model `model`
            codename = get_permission_codename(key, model._meta)
            permission = Permission.objects.get(content_type=content_type, codename=codename)
            field = 'can_%s_%s' % (key, name)

            if data.get(field):
            elif field in data:

class CopyPermissionForm(forms.Form):
    Holds the specific field for permissions
    copy_permissions = forms.BooleanField(
        label=_('Copy permissions'),

## ... source file continues with one more similar BooleanField example ...

Example 4 from django-filer

django-filer (project documentation) is a file management library for uploading and organizing files and images in Django's admin interface. The project's code is available under the BSD 3-Clause "New" or "Revised" open source license.

django-filer / filer / admin /

# -*- coding: utf-8 -*-
from __future__ import absolute_import

from django import forms
from django.conf import settings
from django.contrib.admin import widgets
from django.core.exceptions import ValidationError
from django.db import models
from django.utils.translation import ugettext as _

from ..models import ThumbnailOption
from ..utils.files import get_valid_filename

class AsPWithHelpMixin(object):
    def as_p_with_help(self):
        "Returns this form rendered as HTML <p>s with help text formated for admin."
        return self._html_output(
            normal_row='<p%(html_class_attr)s>%(label)s %(field)s</p>%(help_text)s',
            help_text_html='<p class="help">%s</p>',

class CopyFilesAndFoldersForm(forms.Form, AsPWithHelpMixin):
    suffix = forms.CharField(required=False, help_text=_("Suffix which will be appended to filenames of copied files."))
    # TODO: We have to find a way to overwrite files with different storage backends first.
    # overwrite_files = forms.BooleanField(required=False, help_text=_("Overwrite a file if there already exists a file with the same filename?"))

    def clean_suffix(self):
        valid = get_valid_filename(self.cleaned_data['suffix'])
        if valid != self.cleaned_data['suffix']:
            raise forms.ValidationError(_('Suffix should be a valid, simple and lowercase filename part, like "%(valid)s".') % {'valid': valid})
        return self.cleaned_data['suffix']

class RenameFilesForm(forms.Form, AsPWithHelpMixin):
    rename_format = forms.CharField(required=True)

    def clean_rename_format(self):
            self.cleaned_data['rename_format'] % {
                'original_filename': 'filename',
                'original_basename': 'basename',
                'original_extension': 'ext',
                'current_filename': 'filename',
                'current_basename': 'basename',
                'current_extension': 'ext',
                'current_folder': 'folder',
                'counter': 42,
                'global_counter': 42,
        except KeyError as e:
            raise forms.ValidationError(_('Unknown rename format value key "%(key)s".') % {'key': e.args[0]})
        except Exception as e:
            raise forms.ValidationError(_('Invalid rename format: %(error)s.') % {'error': e})
        return self.cleaned_data['rename_format']

class ResizeImagesForm(forms.Form, AsPWithHelpMixin):
    if 'cmsplugin_filer_image' in settings.INSTALLED_APPS:
        thumbnail_option = models.ForeignKey(
            verbose_name=_("thumbnail option"),
    width = models.PositiveIntegerField(_("width"), null=True, blank=True).formfield(widget=widgets.AdminIntegerFieldWidget)
    height = models.PositiveIntegerField(_("height"), null=True, blank=True).formfield(widget=widgets.AdminIntegerFieldWidget)
    crop = models.BooleanField(_("crop"), default=True).formfield()
    upscale = models.BooleanField(_("upscale"), default=True).formfield()

    def clean(self):
        if not (self.cleaned_data.get('thumbnail_option') or ((self.cleaned_data.get('width') or 0) + (self.cleaned_data.get('height') or 0))):
            if 'cmsplugin_filer_image' in settings.INSTALLED_APPS:
                raise ValidationError(_('Thumbnail option or resize parameters must be choosen.'))
                raise ValidationError(_('Resize parameters must be choosen.'))
        return self.cleaned_data

Example 5 from django-jet

django-jet (project documentation, PyPI project page and more information) is a fancy Django Admin panel replacement.

The django-jet project is open source under the GNU Affero General Public License v3.0.

django-jet / jet / dashboard /

import json
from django import forms
from django.contrib.admin.models import LogEntry
from django.db.models import Q
from django.template.loader import render_to_string
from django.utils.translation import ugettext_lazy as _
from jet.utils import get_app_list, LazyDateTimeEncoder, context_to_dict
import datetime

## ... abbreviating file to get to the example code ...

class LinkListItemForm(forms.Form):
    url = forms.CharField(label=_('URL'))
    title = forms.CharField(label=_('Title'))
    external = forms.BooleanField(label=_('External link'), required=False)

class LinkListSettingsForm(forms.Form):
    layout = forms.ChoiceField(label=_('Layout'), 
                               choices=(('stacked', _('Stacked')), 
                                        ('inline', _('Inline'))))

## ... file continues with no further BooleanField examples ...

Example 6 from django-mongonaut

django-mongonaut (project documentation and PyPI package information) provides an introspective interface for working with MongoDB via mongoengine. The project has its own new code to map MongoDB to the Django Admin interface.

django-mongonaut's highlighted features include automatic introspection of mongoengine documents, the ability to constrain who sees what and what they can do and full control for adding, editing and deleting documents.

The django-mongonaut project is open sourced under the MIT License and it is maintained by the developer community group Jazzband.

django-mongonaut / mongonaut / forms /

# -*- coding: utf-8 -*-

""" Widgets for mongonaut forms"""

from django import forms

from mongoengine.base import ObjectIdField
from mongoengine.fields import BooleanField
from mongoengine.fields import DateTimeField
from mongoengine.fields import EmbeddedDocumentField
from mongoengine.fields import ListField
from mongoengine.fields import ReferenceField
from mongoengine.fields import FloatField
from mongoengine.fields import EmailField
from mongoengine.fields import DecimalField
from mongoengine.fields import URLField
from mongoengine.fields import IntField
from mongoengine.fields import StringField
from mongoengine.fields import GeoPointField

def get_widget(model_field, disabled=False):
    """Choose which widget to display for a field."""

    attrs = get_attrs(model_field, disabled)

    if hasattr(model_field, "max_length") and not model_field.max_length:
        return forms.Textarea(attrs=attrs)

    elif isinstance(model_field, DateTimeField):
        return forms.DateTimeInput(attrs=attrs)

    elif isinstance(model_field, BooleanField):
        return forms.CheckboxInput(attrs=attrs)

    elif isinstance(model_field, ReferenceField) or model_field.choices:
        return forms.Select(attrs=attrs)

    elif (isinstance(model_field, ListField) or
          isinstance(model_field, EmbeddedDocumentField) or
          isinstance(model_field, GeoPointField)):
        return None

        return forms.TextInput(attrs=attrs)

def get_attrs(model_field, disabled=False):
    """Set attributes on the display widget."""
    attrs = {}
    attrs['class'] = 'span6 xlarge'
    if disabled or isinstance(model_field, ObjectIdField):
        attrs['class'] += ' disabled'
        attrs['readonly'] = 'readonly'
    return attrs

def get_form_field_class(model_field):
    """Gets the default form field  for a mongoenigne field."""

        IntField: forms.IntegerField,
        StringField: forms.CharField,
        FloatField: forms.FloatField,
        BooleanField: forms.BooleanField,
        DateTimeField: forms.DateTimeField,
        DecimalField: forms.DecimalField,
        URLField: forms.URLField,
        EmailField: forms.EmailField

    return FIELD_MAPPING.get(model_field.__class__, forms.CharField)

Example 7 from wagtail

wagtail (project website) is a fantastic Django-based CMS with code that is open source under the BSD 3-Clause "New" or "Revised" License.

wagtail / wagtail / users /

import warnings
from itertools import groupby
from operator import itemgetter

from django import forms
from django.conf import settings
from django.contrib.auth import get_user_model
from django.contrib.auth.models import Group, Permission
from django.contrib.auth.password_validation import (
    password_validators_help_text_html, validate_password)
from django.db import transaction
from django.db.models.fields import BLANK_CHOICE_DASH
from django.template.loader import render_to_string
from django.utils.html import mark_safe
from django.utils.translation import ugettext_lazy as _

from wagtail.admin.locale import get_available_admin_languages, get_available_admin_time_zones
from wagtail.admin.widgets import AdminPageChooser
from wagtail.core import hooks
from wagtail.core.models import (
from wagtail.users.models import UserProfile
from wagtail.utils import l18n

User = get_user_model()

# The standard fields each user model is expected to have, as a minimum.
standard_fields = set(['email', 'first_name', 'last_name', 'is_superuser', 'groups'])
# Custom fields
if hasattr(settings, 'WAGTAIL_USER_CUSTOM_FIELDS'):
    custom_fields = set(settings.WAGTAIL_USER_CUSTOM_FIELDS)
    custom_fields = set()

class UsernameForm(forms.ModelForm):
    Intelligently sets up the username field if it is in fact a username. If the
    User model has been swapped out, and the username field is an email or
    something else, don't touch it.
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        if User.USERNAME_FIELD == 'username':
            field = self.fields['username']
            field.regex = r"^[\[email protected]+-]+$"
            field.help_text = _("Required. 30 characters or fewer. Letters, "
                                "digits and @/./+/-/_ only.")
            field.error_messages = field.error_messages.copy()
                'invalid': _("This value may contain only letters, numbers "
                             "and @/./+/-/_ characters.")})

    def username_field(self):
        return self[User.USERNAME_FIELD]

    def separate_username_field(self):
        return User.USERNAME_FIELD not in standard_fields

class UserForm(UsernameForm):
    required_css_class = "required"

    def password_required(self):
        return getattr(settings, 'WAGTAILUSERS_PASSWORD_REQUIRED', True)

    def password_enabled(self):
        return getattr(settings, 'WAGTAILUSERS_PASSWORD_ENABLED', True)

    error_messages = {
        'duplicate_username': _("A user with that username already exists."),
        'password_mismatch': _("The two password fields didn't match."),

    email = forms.EmailField(required=True, label=_('Email'))
    first_name = forms.CharField(required=True, label=_('First Name'))
    last_name = forms.CharField(required=True, label=_('Last Name'))

    password1 = forms.CharField(
        label=_('Password'), required=False,
        help_text=_("Leave blank if not changing."))
    password2 = forms.CharField(
        label=_("Password confirmation"), required=False,
        help_text=_("Enter the same password as above, for verification."))

    is_superuser = forms.BooleanField(
        label=_("Administrator"), required=False,
        help_text=_('Administrators have full access to manage any object '
                    'or setting.'))

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        if self.password_enabled:
            if self.password_required:
                self.fields['password1'].help_text = mark_safe(password_validators_help_text_html())
                self.fields['password1'].required = True
                self.fields['password2'].required = True
            del self.fields['password1']
            del self.fields['password2']

    # We cannot call this method clean_username since this the name of the
    # username field may be different, so clean_username would not be reliably
    # called. We therefore call _clean_username explicitly in _clean_fields.
    def _clean_username(self):
        username_field = User.USERNAME_FIELD
        # This method is called even if username if empty, contrary to clean_*
        # methods, so we have to check again here that data is defined.
        if username_field not in self.cleaned_data:
        username = self.cleaned_data[username_field]

        users = User._default_manager.all()
        if is not None:
            users = users.exclude(
        if users.filter(**{username_field: username}).exists():
            self.add_error(User.USERNAME_FIELD, forms.ValidationError(
        return username

    def clean_password2(self):
        password1 = self.cleaned_data.get("password1")
        password2 = self.cleaned_data.get("password2")
        if password2 != password1:
            self.add_error('password2', forms.ValidationError(

        return password2

    def validate_password(self):
        Run the Django password validators against the new password. This must
        be called after the user instance in self.instance is populated with
        the new data from the form, as some validators rely on attributes on
        the user model.
        password1 = self.cleaned_data.get("password1")
        password2 = self.cleaned_data.get("password2")
        if password1 and password2 and password1 == password2:
            validate_password(password1, user=self.instance)

    def _post_clean(self):
        except forms.ValidationError as e:
            self.add_error('password2', e)

    def _clean_fields(self):

    def save(self, commit=True):
        user = super().save(commit=False)

        if self.password_enabled:
            password = self.cleaned_data['password1']
            if password:

        if commit:
        return user

class UserCreationForm(UserForm):
    class Meta:
        model = User
        fields = set([User.USERNAME_FIELD]) | standard_fields | custom_fields
        widgets = {
            'groups': forms.CheckboxSelectMultiple

class UserEditForm(UserForm):
    password_required = False

    def __init__(self, *args, **kwargs):
        editing_self = kwargs.pop('editing_self', False)
        super().__init__(*args, **kwargs)

        if editing_self:
            del self.fields["is_active"]
            del self.fields["is_superuser"]

    class Meta:
        model = User
        fields = set([User.USERNAME_FIELD, "is_active"]) | standard_fields | custom_fields
        widgets = {
            'groups': forms.CheckboxSelectMultiple

class GroupForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.registered_permissions = Permission.objects.none()
        for fn in hooks.get_hooks('register_permissions'):
            self.registered_permissions = self.registered_permissions | fn()
        self.fields['permissions'].queryset = self.registered_permissions.select_related('content_type')

    required_css_class = "required"

    error_messages = {
        'duplicate_name': _("A group with that name already exists."),

    is_superuser = forms.BooleanField(
        help_text=_("Administrators have full access to manage any object or setting.")

    class Meta:
        model = Group
        fields = ("name", "permissions", )
        widgets = {
            'permissions': forms.CheckboxSelectMultiple(),

## ... source file continues with no further BooleanField examples ...
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