Fixes #781: sexy lessons list

[wolnelektury.git] / apps / piston / handler.py

diff --git a/apps/piston/handler.py b/apps/piston/handler.py
index 2d28bb3..a128d7a 100644 (file)
--- a/apps/piston/handler.py
+++ b/apps/piston/handler.py
@@ -19,17 +19,17 @@ class HandlerMetaClass(type):
             for k, (m, a) in typemapper.iteritems():
                 if model == m and anon == a:
                     return k
-        
+
         if hasattr(new_cls, 'model'):
             if already_registered(new_cls.model, new_cls.is_anonymous):
                 if not getattr(settings, 'PISTON_IGNORE_DUPE_MODELS', False):
                     warnings.warn("Handler already registered for model %s, "
                         "you may experience inconsistent results." % new_cls.model.__name__)
-                
+
             typemapper[new_cls] = (new_cls.model, new_cls.is_anonymous)
         else:
             typemapper[new_cls] = (None, new_cls.is_anonymous)
-        
+
         if name not in ('BaseHandler', 'AnonymousBaseHandler'):
             handler_tracker.append(new_cls)
 
@@ -40,43 +40,43 @@ class BaseHandler(object):
     Basehandler that gives you CRUD for free.
     You are supposed to subclass this for specific
     functionality.
-    
+
     All CRUD methods (`read`/`update`/`create`/`delete`)
     receive a request as the first argument from the
     resource. Use this for checking `request.user`, etc.
     """
     __metaclass__ = HandlerMetaClass
-    
+
     allowed_methods = ('GET', 'POST', 'PUT', 'DELETE')
     anonymous = is_anonymous = False
     exclude = ( 'id', )
     fields =  ( )
-    
+
     def flatten_dict(self, dct):
         return dict([ (str(k), dct.get(k)) for k in dct.keys() ])
-    
+
     def has_model(self):
         return hasattr(self, 'model') or hasattr(self, 'queryset')
 
     def queryset(self, request):
         return self.model.objects.all()
-    
+
     def value_from_tuple(tu, name):
         for int_, n in tu:
             if n == name:
                 return int_
         return None
-    
+
     def exists(self, **kwargs):
         if not self.has_model():
             raise NotImplementedError
-        
+
         try:
             self.model.objects.get(**kwargs)
             return True
         except self.model.DoesNotExist:
             return False
-    
+
     def read(self, request, *args, **kwargs):
         if not self.has_model():
             return rc.NOT_IMPLEMENTED
@@ -92,13 +92,13 @@ class BaseHandler(object):
                 return rc.BAD_REQUEST
         else:
             return self.queryset(request).filter(*args, **kwargs)
-    
+
     def create(self, request, *args, **kwargs):
         if not self.has_model():
             return rc.NOT_IMPLEMENTED
-        
+
         attrs = self.flatten_dict(request.POST)
-        
+
         try:
             inst = self.queryset(request).get(**attrs)
             return rc.DUPLICATE_ENTRY
@@ -108,7 +108,7 @@ class BaseHandler(object):
             return inst
         except self.model.MultipleObjectsReturned:
             return rc.DUPLICATE_ENTRY
-    
+
     def update(self, request, *args, **kwargs):
         if not self.has_model():
             return rc.NOT_IMPLEMENTED
@@ -132,7 +132,7 @@ class BaseHandler(object):
 
         inst.save()
         return rc.ALL_OK
-    
+
     def delete(self, request, *args, **kwargs):
         if not self.has_model():
             raise NotImplementedError
@@ -147,7 +147,7 @@ class BaseHandler(object):
             return rc.DUPLICATE_ENTRY
         except self.model.DoesNotExist:
             return rc.NOT_HERE
-        
+
 class AnonymousBaseHandler(BaseHandler):
     """
     Anonymous handler.