91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
from django import forms
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from django.contrib.auth import forms as auth_forms
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from django.utils.translation import ugettext_lazy as _
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from orchestra.utils.python import random_ascii
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from ..core.validators import validate_password
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from .fields import SpanField
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from .widgets import SpanWidget
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class UserCreationForm(forms.ModelForm):
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"""
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A form that creates a user, with no privileges, from the given username and
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password.
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"""
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error_messages = {
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'password_mismatch': _("The two password fields didn't match."),
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'duplicate_username': _("A user with that username already exists."),
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}
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password1 = forms.CharField(label=_("Password"),
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widget=forms.PasswordInput, validators=[validate_password])
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password2 = forms.CharField(label=_("Password confirmation"),
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widget=forms.PasswordInput,
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help_text=_("Enter the same password as above, for verification."))
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def __init__(self, *args, **kwargs):
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super(UserCreationForm, self).__init__(*args, **kwargs)
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self.fields['password1'].help_text = _("Suggestion: %s") % random_ascii(10)
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def clean_password2(self):
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password1 = self.cleaned_data.get('password1')
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password2 = self.cleaned_data.get('password2')
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if password1 and password2 and password1 != password2:
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raise forms.ValidationError(
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self.error_messages['password_mismatch'],
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code='password_mismatch',
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)
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return password2
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def clean_username(self):
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# Since model.clean() will check this, this is redundant,
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# but it sets a nicer error message than the ORM and avoids conflicts with contrib.auth
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username = self.cleaned_data["username"]
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try:
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self._meta.model._default_manager.get(username=username)
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except self._meta.model.DoesNotExist:
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return username
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raise forms.ValidationError(self.error_messages['duplicate_username'])
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def save(self, commit=True):
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user = super(UserCreationForm, self).save(commit=False)
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user.set_password(self.cleaned_data['password1'])
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if commit:
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user.save()
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return user
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class UserChangeForm(forms.ModelForm):
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password = auth_forms.ReadOnlyPasswordHashField(label=_("Password"),
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help_text=_("Raw passwords are not stored, so there is no way to see "
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"this user's password, but you can change the password "
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"using <a href=\"password/\">this form</a>."))
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def clean_password(self):
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# Regardless of what the user provides, return the initial value.
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# This is done here, rather than on the field, because the
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# field does not have access to the initial value
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return self.initial["password"]
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class ReadOnlyFormMixin(object):
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"""
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Mixin class for ModelForm or Form that provides support for SpanField on readonly fields
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Meta:
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readonly_fileds = (ro_field1, ro_field2)
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"""
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def __init__(self, *args, **kwargs):
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super(ReadOnlyFormMixin, self).__init__(*args, **kwargs)
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for name in self.Meta.readonly_fields:
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field = self.fields[name]
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if not isinstance(field, SpanField):
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if not isinstance(field.widget, SpanWidget):
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field.widget = SpanWidget()
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original = self.initial.get(name)
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if hasattr(self, 'instance'):
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original = getattr(self.instance, name, original)
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field.widget.original = original
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