Callbacks

CheckMetadataEarlyFn (cres, unit, *user_data)

Details

AppStreamCompose.CheckMetadataEarlyFn(cres, unit, *user_data)

Parameters:

• cres (AppStreamCompose.Result) – A pointer to generated AppStreamCompose.Result

• unit (AppStreamCompose.Unit) – The unit we are currently processing.

• user_data (object or None) – Additional data.

Function which is called after all metainfo and related data (e.g. desktop-entry files) has been loaded, but *before* any expensive operations such as screenshot downloads or font searches are performed.

This function can be useful to filter out unwanted components early in the process and avoid unneeded downloads and other data processing. By the time this function is called, the component’s global ID should be finalized and should not change any longer.

Please note that this function may be called from any thread, and thread safety needs to be taked care off by the callee.