Пример #1
0
    def _write_all_objects_of_type(self, model_type):
        '''This finds all objects of a given type and writes them as a response'''
        allItems = self._perform_filter(getattr(model, model_type))

        #Write JSON back to the client
        self.response.headers['Content-Type'] = "application/json"
        self.response.write(parser.get_json_string(allItems))
Пример #2
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 def _write_all_objects_of_type(self, model_type):
     '''This finds all objects of a given type and writes them as a response'''
     allItems = self._perform_filter(getattr(model, model_type))
     
     #Write JSON back to the client
     self.response.headers['Content-Type'] = "application/json"
     self.response.write(parser.get_json_string(allItems))
Пример #3
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    def _write_all(self):
        '''Writes every single entity stored in the DB'''
        isLoadKeysOnly = self.request.get('load') != 'all'

        allEntities = []
        for k in metadata.get_kinds():
            logging.getLogger().info("TYPE:" + k)
            if not k.startswith('_'):
                allEntities.extend(getattr(model, k).query().fetch(keys_only=isLoadKeysOnly))
        self.response.headers['Content-Type'] = "application/json"
        self.response.write(parser.get_json_string(allEntities))
Пример #4
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    def _write_all(self):
        '''Writes every single entity stored in the DB'''
        isLoadKeysOnly = self.request.get('load') != 'all'

        allEntities = []
        for k in metadata.get_kinds():
            logging.getLogger().info("TYPE:" + k)
            if not k.startswith('_'):
                allEntities.extend(
                    getattr(model, k).query().fetch(keys_only=isLoadKeysOnly))
        self.response.headers['Content-Type'] = "application/json"
        self.response.write(parser.get_json_string(allEntities))
Пример #5
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    def _write_object_with_id(self, model_type, model_id):
        '''
        Writes an entity back to the client based on id. The value written will
        always be in JSON format. All filters will be ignored. It will by default 
        perform a load of all properties. Why else would you call this?
        '''

        #Simply get the object using NDB's class methods
        obj_result = [getattr(model, model_type).get_by_id(model_id)]

        #We need to make these objects return arrays too
        objectString = parser.get_json_string(obj_result)

        #Return the values in the entity dictionary
        self.response.headers['Content-Type'] = "application/json"
        self.response.write(objectString)
Пример #6
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    def _write_object_with_id(self, model_type, model_id):
        '''
        Writes an entity back to the client based on id. The value written will
        always be in JSON format. All filters will be ignored. It will by default 
        perform a load of all properties. Why else would you call this?
        '''

        #Simply get the object using NDB's class methods
        obj_result = [getattr(model, model_type).get_by_id(model_id)]

        #We need to make these objects return arrays too
        objectString = parser.get_json_string(obj_result)
            
        #Return the values in the entity dictionary
        self.response.headers['Content-Type'] = "application/json"
        self.response.write(objectString)
Пример #7
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 def _write_object_with_encodedkey(self, encoded_key, property_name=None):
     '''
     Writes an entity back to the client based on id. The value written will
     always be in JSON format. All filters will be ignored. It will by default 
     perform a load of all properties. Why else would you call this?
     '''
     #Simply get the object using NDB's class methods
     try:
         key = ndb.Key(urlsafe=encoded_key)
         obj_result = key.get()
         #We need to make these objects return arrays too
         objectString = parser.get_json_string(obj_result, property_name)
             
         #Return the values in the entity dictionary
         self.response.headers['Content-Type'] = "application/json"
         self.response.write(objectString)
     except Exception, e:
         self.render_error(int(400), 'key_error', "The Key supplied in the URI was not valid - " + str(e))
         return
Пример #8
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    def _write_all_objects_of_type(self, model_type, list_props):
        '''This finds all objects of a given type and writes them as a response'''
        model_handler = getattr(model, model_type)
        model_query = parser.ModelQuery()
        model_query.parse(self, model_handler)
        if model_query.error:
            self.render_error(model_query.error_code, model_query.error, model_query.error_description)
        else:
            model_query.query_expr = self.authorizer.check_query(
                self, model_query.query_expr, model_query.query_params)

            models = model_query.perform_filter(self, model_handler, model_query)

            if model_query.fetch_cursor:
                list_props[parser.QUERY_CURSOR_PARAM] = model_query.fetch_cursor
                models.append(list_props)

            models = self.authorizer.filter_read(self, models)
            
            #Write JSON back to the client
            self.response.headers['Content-Type'] = "application/json"
            self.response.write(parser.get_json_string(models))