Anpassungen für das Hosting bei Djangoeurope und damit verbundenen Versionen Django 1.8 und Python 2.7

src/maistar_ranking/forms.py

@@ -0,0 +1,37 @@
+# -*- encoding: utf-8 -*-
+__author__ = 'christian'
+
+from django import forms
+from django.utils.translation import ugettext as _
+
+from . import models
+
+
+class GameForm(forms.ModelForm):
+    error_css_class = 'error'
+    required_css_class = 'required'
+
+    class Meta(object):
+        fields = [
+            'player1', 'player1_score',
+            'player2', 'player2_score',
+            'player3', 'player3_score',
+            'player4', 'player4_score',
+            'player5', 'player5_score',
+            'player6', 'player6_score',
+            'comment'
+        ]
+        model = models.Game
+
+    def clean(self):
+        cleaned_data = super(GameForm, self).clean()
+        players_in_game = set()
+        for player_nr in (
+        'player1', 'player2', 'player3', 'player4', 'player5', 'player6'):
+            current_player = cleaned_data.get(player_nr)
+            if current_player and current_player in players_in_game:
+                msg = _("%s may only participate once." % current_player)
+                self._errors[player_nr] = self.error_class([msg])
+                del cleaned_data[player_nr]
+            players_in_game.add(current_player)
+        return cleaned_data