forum_modules/osmauth/forms.py

   1 from osm import OpenStreetMapAPI
   2 from forum.forms import NextUrlField, UserNameField, SetPasswordForm
   3 from django.utils.translation import ugettext as _
   4 from django import forms
   5
   6 class OpenStreetMapLoginForm(forms.Form):
   7     """ osm account signin form """
   8     next = NextUrlField()
   9     username = UserNameField(required=False, skip_clean=True)
  10     password = forms.CharField(max_length=128,
  11                                widget=forms.widgets.PasswordInput(attrs={'class':'required login'}),
  12                                required=False)
  13
  14     def __init__(self, data=None, files=None, auto_id='id_%s',
  15                  prefix=None, initial=None):
  16         super(OpenStreetMapLoginForm, self).__init__(data, files, auto_id,
  17                                                      prefix, initial)
  18         self.user_details = None
  19
  20     def _clean_nonempty_field(self, field):
  21         value = None
  22         if field in self.cleaned_data:
  23             value = self.cleaned_data[field].strip()
  24             if value == '':
  25                 value = None
  26         self.cleaned_data[field] = value
  27         return value
  28
  29     def clean_username(self):
  30         return self._clean_nonempty_field('username')
  31
  32     def clean_password(self):
  33         return self._clean_nonempty_field('password')
  34
  35     def clean(self):
  36         error_list = []
  37         username = self.cleaned_data['username']
  38         password = self.cleaned_data['password']
  39
  40         self.user_details = None
  41         if username and password:
  42             api = OpenStreetMapAPI(username, password)
  43
  44             try:
  45                 self.user_details = api.user_details()
  46             except:
  47                 del self.cleaned_data['username']
  48                 del self.cleaned_data['password']
  49                 error_list.insert(0, (_("Please enter valid username and password "
  50                 "(both are case-sensitive).")))
  51                 error_list.insert(0, _('Login failed.'))
  52
  53         elif password == None and username == None:
  54             error_list.append(_('Please enter username and password'))
  55         elif password == None:
  56             error_list.append(_('Please enter your password'))
  57         elif username == None:
  58             error_list.append(_('Please enter user name'))
  59         if len(error_list) > 0:
  60             self._errors['__all__'] = forms.util.ErrorList(error_list)
  61
  62         return self.cleaned_data
  63
  64     def get_user(self):
  65         """ get authenticated user """
  66         return "http://www.openstreetmap.org/user/%s" % self.user_details["id"]
  67
  68     def get_user_data(self):
  69         """ get user data for authenticated user """
  70         return {
  71             "username": self.user_details["display_name"]
  72         }