190 

   191 def SendAccoForm(users, post_data=None):

   192 

   193     choices = [ (_.id, _.first_name) for _ in users ]

   194     class myF(forms.Form):

   195 

   196 	message = forms.CharField(required=True)

   197         selected_users = forms.MultipleChoiceField(widget=forms.CheckboxSelectMultiple, choices=choices, required=False)

   198 

   199         def clean_selected_users(self):

   200             selected_ids = self.cleaned_data['selected_users']

   201             return [ Registrant.objects.get(id=_) for _ in selected_ids ]

   202 

   203 	def clean_message(self):

   204 	    message = self.cleaned_data['message']

   205 	    return message.strip()

   206 

   207     return myF(post_data) if post_data else myF()

   208