Refactor users page

accounts/forms.py

@@ -0,0 +1,24 @@
+import re
+from django import forms
+from django.utils.translation import ugettext_lazy as _
+from django.contrib.auth.models import User
+
+
+class UserAddForm(forms.Form):
+    name = forms.CharField(label="Name",
+                            error_messages={'required': _('No User name has been entered')},
+                            max_length=20)
+    password = forms.CharField(required=True, error_messages={'required': _('No password has been entered')},)
+
+    def clean_name(self):
+        name = self.cleaned_data['name']
+        have_symbol = re.match('^[a-z0-9]+$', name)
+        if not have_symbol:
+            raise forms.ValidationError(_('The flavor name must not contain any special characters'))
+        elif len(name) > 20:
+            raise forms.ValidationError(_('The flavor name must not exceed 20 characters'))
+        try:
+            User.objects.get(username=name)
+        except User.DoesNotExist:
+            return name
+        raise forms.ValidationError(_('Flavor name is already use'))