old_contents: # django-openid-auth -  OpenID integration for django.contrib.auth
  #
  # Copyright (C) 2007 Simon Willison
  # Copyright (C) 2008-2009 Canonical Ltd.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions
  # are met:
  #
  # * Redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer.
  #
  # * Redistributions in binary form must reproduce the above copyright
  # notice, this list of conditions and the following disclaimer in the
  # documentation and/or other materials provided with the distribution.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  # POSSIBILITY OF SUCH DAMAGE.
  
  from django import forms
  from django.utils.translation import ugettext as _
  from django.conf import settings
  
  from openid.yadis import xri
  
  
  class OpenIDLoginForm(forms.Form):
      openid_identifier = forms.CharField(
          max_length=255,
          widget=forms.TextInput(attrs={'class': 'required openid'}))
  
      def clean_openid_identifier(self):
          if 'openid_identifier' in self.cleaned_data:
              openid_identifier = self.cleaned_data['openid_identifier']
              if xri.identifierScheme(openid_identifier) == 'XRI' and getattr(
                  settings, 'OPENID_DISALLOW_INAMES', False
                  ):
                  raise forms.ValidationError(_('i-names are not supported'))
              return self.cleaned_data['openid_identifier']
  
  
  
new_contents: # django-openid-auth -  OpenID integration for django.contrib.auth
  #
  # Copyright (C) 2007 Simon Willison
  # Copyright (C) 2008-2009 Canonical Ltd.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions
  # are met:
  #
  # * Redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer.
  #
  # * Redistributions in binary form must reproduce the above copyright
  # notice, this list of conditions and the following disclaimer in the
  # documentation and/or other materials provided with the distribution.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  # POSSIBILITY OF SUCH DAMAGE.
  
  import settings
  from django import forms
  from django.contrib.auth.admin import UserAdmin
  from django.contrib.auth.forms import UserChangeForm
  from django.contrib.auth.models import Group
  from django.utils.translation import ugettext as _
  from django.conf import settings
  
  from openid.yadis import xri
  
  
  def teams_new_unicode(self):
      """
      Replacement for Group.__unicode__()
      Calls original method to chain results
      """
      name = self.unicode_before_teams()
      teams_mapping = getattr(settings, 'OPENID_LAUNCHPAD_TEAMS_MAPPING', {})
      group_teams = [t for t in teams_mapping if teams_mapping[t] == self.name]
      if len(group_teams) > 0:
          return "%s -> %s" % (name, ", ".join(group_teams))
      else:
          return name
  Group.unicode_before_teams = Group.__unicode__
  Group.__unicode__ = teams_new_unicode
  
  
  class UserChangeFormWithTeamRestriction(UserChangeForm):
      """
      Extends UserChangeForm to add teams awareness to the user admin form
      """
      def clean_groups(self):
          data = self.cleaned_data['groups']
          teams_mapping = getattr(settings, 'OPENID_LAUNCHPAD_TEAMS_MAPPING', {})
          known_teams = teams_mapping.values()
          user_groups = self.instance.groups.all()
          for group in data:
              if group.name in known_teams and group not in user_groups:
                  raise forms.ValidationError("""The group %s is mapped to an
                      external team.  You cannot assign it manually.""" % group.name)
          return data
  UserAdmin.form = UserChangeFormWithTeamRestriction
  
  
  class OpenIDLoginForm(forms.Form):
      openid_identifier = forms.CharField(
          max_length=255,
          widget=forms.TextInput(attrs={'class': 'required openid'}))
  
      def clean_openid_identifier(self):
          if 'openid_identifier' in self.cleaned_data:
              openid_identifier = self.cleaned_data['openid_identifier']
              if xri.identifierScheme(openid_identifier) == 'XRI' and getattr(
                  settings, 'OPENID_DISALLOW_INAMES', False
                  ):
                  raise forms.ValidationError(_('i-names are not supported'))
              return self.cleaned_data['openid_identifier']
  
  
  
subject: Patch Group and extend UserChangeForm to be teams-aware