Make change to Model code failsafe

diff --git a/planetstack/core/models/plcorebase.py b/planetstack/core/models/plcorebase.py
index 08e4047..921b89b 100644 (file)
--- a/planetstack/core/models/plcorebase.py
+++ b/planetstack/core/models/plcorebase.py
@@ -6,53 +6,58 @@ from observer.event_manager import EventSender
 
 class PlCoreBase(models.Model):
 
-    created = models.DateTimeField(auto_now_add=True)
-    updated = models.DateTimeField(auto_now=True)
-    enacted = models.DateTimeField(null=True, default=None)
-
-    class Meta:
-        abstract = True
-        app_label = "core"
-
-    def __init__(self, *args, **kwargs):
-        super(PlCoreBase, self).__init__(*args, **kwargs)
-        self.__initial = self._dict
-
-    @property
-    def diff(self):
-        d1 = self.__initial
-        d2 = self._dict
-        diffs = [(k, (v, d2[k])) for k, v in d1.items() if v != d2[k]]
-        return dict(diffs)
-
-    @property
-    def has_changed(self):
-        return bool(self.diff)
-
-    @property
-    def changed_fields(self):
-        return self.diff.keys()
-
-    def get_field_diff(self, field_name):
-        return self.diff.get(field_name, None)
-
-    def delete(self, *args, **kwds):
-        super(PlCoreBase, self).delete(*args, **kwds)
-
-        EventSender().fire({'delete_flag':True,'model':self.__name__})
-
-    def save(self, *args, **kwargs):
-        super(PlCoreBase, self).save(*args, **kwargs)
-        
-        # Tell the observer that the source database has been updated
-        EventSender().fire()
-
-        self.__initial = self._dict
-
-    @property
-    def _dict(self):
-        return model_to_dict(self, fields=[field.name for field in
-                             self._meta.fields])
+       created = models.DateTimeField(auto_now_add=True)
+       updated = models.DateTimeField(auto_now=True)
+       enacted = models.DateTimeField(null=True, default=None)
+
+       class Meta:
+               abstract = True
+               app_label = "core"
+
+       def __init__(self, *args, **kwargs):
+               super(PlCoreBase, self).__init__(*args, **kwargs)
+               self.__initial = self._dict
+
+       @property
+       def diff(self):
+               d1 = self.__initial
+               d2 = self._dict
+               diffs = [(k, (v, d2[k])) for k, v in d1.items() if v != d2[k]]
+               return dict(diffs)
+
+       @property
+       def has_changed(self):
+               return bool(self.diff)
+
+       @property
+       def changed_fields(self):
+               return self.diff.keys()
+
+       def get_field_diff(self, field_name):
+               return self.diff.get(field_name, None)
+
+       def delete(self, *args, **kwds):
+               super(PlCoreBase, self).delete(*args, **kwds)
+
+               try:
+                       EventSender().fire({'delete_flag':True,'model':self.__name__})
+               except:
+                       # Investigate later. 
+                       pass
+
+
+       def save(self, *args, **kwargs):
+               super(PlCoreBase, self).save(*args, **kwargs)
+               
+               # Tell the observer that the source database has been updated
+               EventSender().fire()
+
+               self.__initial = self._dict
+
+       @property
+       def _dict(self):
+               return model_to_dict(self, fields=[field.name for field in
+                                                        self._meta.fields])