diff -r 73f19fa4f997 -r 8f77cf71ab02 src/hdalab/models/categories.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hdalab/models/categories.py	Tue Jun 17 10:25:33 2014 +0200
@@ -0,0 +1,56 @@
+'''
+Created on Jan 26, 2012
+
+@author: ymh
+'''
+from django.db import models
+from hdabo.models import Tag
+
+
+class WpCategory(models.Model):
+    label = models.CharField(max_length=2048, unique=True, blank=False, null=False)
+    
+    def __unicode__(self):
+        return unicode(self.label)
+    
+    class Meta:
+        app_label = 'hdalab'
+        verbose_name_plural = "WpCategories"
+
+class TagWpCategory(models.Model):
+    tag = models.ForeignKey(Tag, related_name="wp_categories")
+    wp_category = models.ForeignKey(WpCategory, related_name="tags")
+    hidden = models.BooleanField(blank=False, null=False)
+    
+    class Meta:
+        app_label = 'hdalab'
+        unique_together = ('tag', 'wp_category', 'hidden')
+
+class TagInfobox(models.Model):
+    tag = models.ForeignKey(Tag, related_name="infoboxes")
+    name = models.CharField(max_length=2048, unique=False, blank=False, null=False)
+    source = models.TextField(unique=False, blank=True, null=True)
+    revision_id = models.BigIntegerField(unique=False, blank=True, null=True)
+    
+    class Meta:
+        app_label = 'hdalab'
+        unique_together = ('tag','name','revision_id')
+    
+class InfoboxParameter(models.Model):
+    tag_infobox = models.ForeignKey(TagInfobox)
+    param_name = models.CharField(max_length=2048, unique=False, blank=False, null=False)
+    param_value = models.TextField(unique=False, blank=True, null=True)
+
+    class Meta:
+        app_label = 'hdalab'
+        unique_together = ('tag_infobox','param_name')
+
+# Added on 02/07/2012
+
+class WpCategoryInclusion(models.Model):
+    parent_category = models.ForeignKey(WpCategory, related_name="child_categories")
+    child_category = models.ForeignKey(WpCategory, related_name="parent_categories")
+    
+    class Meta:
+        app_label = 'hdalab'
+        unique_together = ('parent_category','child_category')
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