(self, pl_type, pl_id, pl_hostname, pl_key)
return None
Delete a key of a plugin config

        @param pl_type : plugin type
        @param pl_id : plugin id
        @param pl_hostname : hostname the plugin is installed on
        @param pl_key : key of the plugin config
        @return the deleted PluginConfigData object
Delete a key of a plugin config
Delete a key of a plugin config
def del_plugin_config_key(self, pl_type, pl_id, pl_hostname, pl_key):
        """Delete a key of a plugin config

        @param pl_type : plugin type
        @param pl_id : plugin id
        @param pl_hostname : hostname the plugin is installed on
        @param pl_key : key of the plugin config
        @return the deleted PluginConfigData object

        """
        # Make sure previously modified objects outer of this method won't be commited
        self.__session.expire_all()
        plugin = self.__session.query(Plugin).filter_by(type=ucode(pl_type)
                                                            ).filter_by(name=ucode(pl_id)
                                                            ).filter_by(hostname=ucode(pl_hostname)
                                                            ).first()
        if not plugin:
            return None
        plugin_configs = self.__session.query(
            PluginConfig
               ).filter_by(plugin_id=plugin.id).all()
        for plugin_config in  plugin_configs :
            if plugin_config.key == ucode(pl_key):
                self.__session.delete(plugin_config)
                # delete Plugin ref if plugin have no parameters
                if len(plugin_configs) == 1 and pl_type != 'core' :
                    self.__session.delete(plugin)
                    history = self.__session.query(PluginHistory).filter_by(plugin_id=plugin.id).all()
                    for plh in history:
                        self.__session.delete(plh)
                self._do_commit()
                if self._cacheDB : self._cacheDB.markAsUpdatingConfig(pl_id, pl_hostname)
                return PluginConfigData(pl_type, pl_id, pl_hostname, plugin_config.key, plugin_config.value)
        return None
def del_plugin_config_key ( self , pl_type , pl_id , pl_hostname , pl_key ) : # Make sure previously modified objects outer of this method won't be commited self . __session . expire_all ( ) plugin = self . __session . query ( Plugin ) . filter_by ( type = ucode ( pl_type ) ) . filter_by ( name = ucode ( pl_id ) ) . filter_by ( hostname = ucode ( pl_hostname ) ) . first ( ) if not plugin : return None plugin_configs = self . __session . query ( PluginConfig ) . filter_by ( plugin_id = plugin . id ) . all ( ) for plugin_config in plugin_configs : if plugin_config . key == ucode ( pl_key ) : self . __session . delete ( plugin_config ) # delete Plugin ref if plugin have no parameters if len ( plugin_configs ) == 1 and pl_type != 'core' : self . __session . delete ( plugin ) history = self . __session . query ( PluginHistory ) . filter_by ( plugin_id = plugin . id ) . all ( ) for plh in history : self . __session . delete ( plh ) self . _do_commit ( ) if self . _cacheDB : self . _cacheDB . markAsUpdatingConfig ( pl_id , pl_hostname ) return PluginConfigData ( pl_type , pl_id , pl_hostname , plugin_config . key , plugin_config . value ) return None