def image_query_record(self, imagename=None):
        """Query the image record from database, if imagename is None, all
        of the image records will be returned, otherwise only the specified
        image record will be returned."""

        if imagename:
            with get_image_conn() as conn:
                result = conn.execute("SELECT * FROM image WHERE "
                                      "imagename=?", (imagename,))
                image_list = result.fetchall()
            if not image_list:
                obj_desc = "Image with name: %s" % imagename
                raise exception.SDKObjectNotExistError(obj_desc=obj_desc,
                                                   modID=self._module_id)
        else:
            with get_image_conn() as conn:
                result = conn.execute("SELECT * FROM image")
                image_list = result.fetchall()

        # Map each image record to be a dict, with the key is the field name in
        # image DB
        image_keys_list = ['imagename', 'imageosdistro', 'md5sum',
                      'disk_size_units', 'image_size_in_bytes', 'type',
                      'comments']

        image_result = []
        for item in image_list:
            image_item = dict(zip(image_keys_list, item))
            image_result.append(image_item)
        return image_result
def image_query_record ( self , imagename = None ) : if imagename : with get_image_conn ( ) as conn : result = conn . execute ( "SELECT * FROM image WHERE " "imagename=?" , ( imagename , ) ) image_list = result . fetchall ( ) if not image_list : obj_desc = "Image with name: %s" % imagename raise exception . SDKObjectNotExistError ( obj_desc = obj_desc , modID = self . _module_id ) else : with get_image_conn ( ) as conn : result = conn . execute ( "SELECT * FROM image" ) image_list = result . fetchall ( ) image_keys_list = [ 'imagename' , 'imageosdistro' , 'md5sum' , 'disk_size_units' , 'image_size_in_bytes' , 'type' , 'comments' ] image_result = [ ] for item in image_list : image_item = dict ( zip ( image_keys_list , item ) ) image_result . append ( image_item ) return image_result
Query the image record from database, if imagename is None, all
        of the image records will be returned, otherwise only the specified
        image record will be returned.