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

     2 #

     3 # Copyright IRI (c) 2013

     4 #

     5 # contact@iri.centrepompidou.fr

     6 #

     7 # This software is governed by the CeCILL-B license under French law and

     8 # abiding by the rules of distribution of free software.  You can  use, 

     9 # modify and/ or redistribute the software under the terms of the CeCILL-B

    10 # license as circulated by CEA, CNRS and INRIA at the following URL

    11 # "http://www.cecill.info". 

    12 #

    13 # As a counterpart to the access to the source code and  rights to copy,

    14 # modify and redistribute granted by the license, users are provided only

    15 # with a limited warranty  and the software's author,  the holder of the

    16 # economic rights,  and the successive licensors  have only  limited

    17 # liability. 

    18 #

    19 # In this respect, the user's attention is drawn to the risks associated

    20 # with loading,  using,  modifying and/or developing or reproducing the

    21 # software by the user in light of its specific status of free software,

    22 # that may mean  that it is complicated to manipulate,  and  that  also

    23 # therefore means  that it is reserved for developers  and  experienced

    24 # professionals having in-depth computer knowledge. Users are therefore

    25 # encouraged to load and test the software's suitability as regards their

    26 # requirements in conditions enabling the security of their systems and/or 

    27 # data to be ensured and,  more generally, to use and operate it in the 

    28 # same conditions as regards security. 

    29 #

    30 # The fact that you are presently reading this means that you have had

    31 # knowledge of the CeCILL-B license and that you accept its terms.

    32 #

    33 

    34 

    35 from django.conf import settings

    36 from django.contrib.auth import get_user_model

    37 from django.contrib.auth.forms import (UserChangeForm as AuthUserChangeForm, 

    38     UserCreationForm as AuthUserCreationForm)

    39 from django.core.exceptions import ValidationError

    40 from django.forms.fields import ChoiceField

    41 from django.utils.translation import ugettext as _

    42 

    43 

    44 User = get_user_model()

    45 

    46 class UserCreationform(AuthUserCreationForm):

    47     class Meta:

    48         model = User

    49         

    50     def clean_username(self):

    51         # Since User.username is unique, this check is redundant,

    52         # but it sets a nicer error message than the ORM. See #13147.

    53         username = self.cleaned_data["username"]

    54         try:

    55             User.objects.get(username=username)

    56         except User.DoesNotExist:

    57             return username

    58         raise ValidationError(self.error_messages['duplicate_username'])    

    59     

    60 

    61 class UserChangeForm(AuthUserChangeForm):

    62     language = ChoiceField(label=_("language"), choices=[(k,_(v)) for k,v in settings.LANGUAGES], initial=settings.LANGUAGE_CODE[:2])

    63     class Meta:

    64         model = User

    65