code.grnet.gr Git - flowspy/blob - monkey_patch/forms.py

   1 from django.utils.translation import ugettext as _
   2 from django.core.validators import MaxLengthValidator
   3 from django.contrib.auth import forms as auth_forms
   4 from django import forms
   5
   6 from monkey_patch import MAX_USERNAME_LENGTH
   7
   8 def update_username_field(field):
   9     field.widget.attrs['maxlength'] = MAX_USERNAME_LENGTH()
  10     field.max_length = MAX_USERNAME_LENGTH()
  11     field.help_text = _("Required, %s characters or fewer. Only letters, numbers, and characters such as @.+_- are allowed." % MAX_USERNAME_LENGTH())
  12
  13     # we need to find the MaxLengthValidator and change its
  14     # limit_value otherwise the auth forms will fail validation
  15     for v in field.validators:
  16         if isinstance(v, MaxLengthValidator):
  17             v.limit_value = MAX_USERNAME_LENGTH()
  18
  19 class UserCreationForm(auth_forms.UserCreationForm):
  20     def __init__(self, *args, **kwargs):
  21         super(UserCreationForm, self).__init__(*args, **kwargs)
  22         update_username_field(self.fields['username'])
  23
  24 class UserChangeForm(auth_forms.UserChangeForm):
  25     def __init__(self, *args, **kwargs):
  26         super(UserChangeForm, self).__init__(*args, **kwargs)
  27         update_username_field(self.fields['username'])
  28
  29 class AuthenticationForm(auth_forms.AuthenticationForm):
  30     def __init__(self, *args, **kwargs):
  31         super(AuthenticationForm, self).__init__(*args, **kwargs)
  32         update_username_field(self.fields['username'])