from functools import partial from django import forms from django.contrib.admin import helpers from django.core import validators from django.forms.models import modelformset_factory, BaseModelFormSet from django.template import Template, Context from django.utils.translation import ugettext_lazy as _ from orchestra.forms.widgets import SpanWidget from ..core.validators import validate_password class AdminFormMixin(object): """ Provides a method for rendering a form just like in Django Admin """ def as_admin(self): prepopulated_fields = {} fieldsets = [ (None, {'fields': list(self.fields.keys())}) ] adminform = helpers.AdminForm(self, fieldsets, prepopulated_fields) template = Template( '{% for fieldset in adminform %}' ' {% include "admin/includes/fieldset.html" %}' '{% endfor %}' ) return template.render(Context({'adminform': adminform})) class AdminFormSet(BaseModelFormSet): def as_admin(self): prepopulated = {} fieldsets = [ (None, {'fields': list(self.form().fields.keys())}) ] readonly = getattr(self.form.Meta, 'readonly_fields', ()) if not hasattr(self.modeladmin, 'verbose_name_plural'): opts = self.modeladmin.model._meta self.modeladmin.verbose_name_plural = opts.verbose_name_plural inline_admin_formset = helpers.InlineAdminFormSet(self.modeladmin, self, fieldsets, prepopulated, readonly, model_admin=self.modeladmin) template = Template( '{% include "admin/edit_inline/tabular.html" %}' ) return template.render(Context({'inline_admin_formset': inline_admin_formset})) def adminmodelformset_factory(modeladmin, form, formset=AdminFormSet, **kwargs): model = kwargs.pop('model', modeladmin.model) formset = modelformset_factory(model, form=form, formset=formset, **kwargs) formset.modeladmin = modeladmin return formset class AdminPasswordChangeForm(forms.Form): """ A form used to change the password of a user in the admin interface. """ error_messages = { 'password_mismatch': _("The two password fields didn't match."), 'password_missing': _("No password has been provided."), } required_css_class = 'required' password1 = forms.CharField(label=_("Password"), widget=forms.PasswordInput, required=False, validators=[validate_password]) password2 = forms.CharField(label=_("Password (again)"), widget=forms.PasswordInput, required=False) def __init__(self, user, *args, **kwargs): self.related = kwargs.pop('related', []) self.user = user super(AdminPasswordChangeForm, self).__init__(*args, **kwargs) for ix, rel in enumerate(self.related): self.fields['password1_%i' % ix] = forms.CharField(label=_("Password"), widget=forms.PasswordInput, required=False) self.fields['password2_%i' % ix] = forms.CharField(label=_("Password (again)"), widget=forms.PasswordInput, required=False) setattr(self, 'clean_password2_%i' % ix, partial(self.clean_password2, ix=ix)) def clean_password2(self, ix=''): if ix != '': ix = '_%i' % ix password1 = self.cleaned_data.get('password1%s' % ix) password2 = self.cleaned_data.get('password2%s' % ix) if password1 and password2: if password1 != password2: raise forms.ValidationError( self.error_messages['password_mismatch'], code='password_mismatch', ) elif password1 or password2: raise forms.ValidationError( self.error_messages['password_mismatch'], code='password_mismatch', ) return password2 def clean(self): cleaned_data = super(AdminPasswordChangeForm, self).clean() for data in cleaned_data.values(): if data: return raise forms.ValidationError( self.error_messages['password_missing'], code='password_missing', ) def save(self, commit=True): """ Saves the new password. """ password = self.cleaned_data["password1"] if password: self.user.set_password(password) if commit: try: self.user.save(update_fields=['password']) except ValueError: # password is not a field but an attribute self.user.save() # Trigger the backend for ix, rel in enumerate(self.related): password = self.cleaned_data['password1_%s' % ix] if password: set_password = getattr(rel, 'set_password') set_password(password) if commit: rel.save(update_fields=['password']) return self.user def _get_changed_data(self): data = super(AdminPasswordChangeForm, self).changed_data for name in self.fields.keys(): if name not in data: return [] return ['password'] changed_data = property(_get_changed_data) class SendEmailForm(forms.Form): email_from = forms.EmailField(label=_("From"), widget=forms.TextInput(attrs={'size': '118'})) to = forms.CharField(label="To", required=False) extra_to = forms.CharField(label="To (extra)", required=False, widget=forms.TextInput(attrs={'size': '118'})) subject = forms.CharField(label=_("Subject"), widget=forms.TextInput(attrs={'size': '118'})) message = forms.CharField(label=_("Message"), widget=forms.Textarea(attrs={'cols': 118, 'rows': 15})) def __init__(self, *args, **kwargs): super(SendEmailForm, self).__init__(*args, **kwargs) initial = kwargs.get('initial') if 'to' in initial: self.fields['to'].widget = SpanWidget(original=initial['to']) else: self.fields.pop('to') def clean_comma_separated_emails(self, value): clean_value = [] for email in value.split(','): email = email.strip() if email: try: validators.validate_email(email) except validators.ValidationError: raise validators.ValidationError("Comma separated email addresses.") clean_value.append(email) return clean_value def clean_extra_to(self): extra_to = self.cleaned_data['extra_to'] return self.clean_comma_separated_emails(extra_to)