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

src/maistar_ranking/managers.py

@@ -0,0 +1,60 @@
+# -*- encoding: utf-8 -*-
+"""
+Created on 22.11.2014
+
+@author: christian
+"""
+from django.db import models
+
+from . import settings
+
+
+class GameManager(models.Manager):
+    use_for_related_fields = True
+
+    def player_games(self, player, season=None, **kwargs):
+        queryset = self.filter(
+            models.Q(player1=player) | models.Q(player2=player) |
+            models.Q(player3=player) | models.Q(player4=player) |
+            models.Q(player5=player) | models.Q(player6=player)
+        )
+        if season:
+            queryset = queryset.filter(season=season)
+        if kwargs:
+            queryset = queryset.filter(**kwargs)
+        return queryset
+
+
+class LadderManager(models.Manager):
+    use_for_related_fields = True
+
+    def calculate_rankings(self, season):
+        """
+        Berechnet die Jahresrankings für die Spieler neu.
+        @param season: Das Jahr das neu berechnet werden soll
+        @type season: Integer
+        """
+        rankings = self.filter(season=season)
+        rankings.update(placement=None)
+        rankings = rankings.filter(
+            games_count__gte=settings.MAISTAR_GAMES_FOR_LADDERRANKING)  # @IgnorePep8
+        rankings = rankings.order_by('avg_placement', '-avg_score')
+        placement = 1
+        previous_avg_placement = None
+        previous_avg_score = None
+        previous_placement = None
+        for ranking in rankings:
+            if ranking.avg_placement == previous_avg_placement \
+                    and ranking.avg_score == previous_avg_score:
+                ranking.placement = previous_placement
+            else:
+                ranking.placement = placement
+            ranking.save(force_update=True)
+            previous_avg_placement = ranking.avg_placement
+            previous_avg_score = ranking.avg_score
+            previous_placement = ranking.placement
+            placement += 1
+
+    def get_seasons(self):
+        return self.values_list('season', flat=True).order_by(
+            'season').distinct()