This function looks for a key file named file in the paths
returned from glib.global.getUserDataDir and glib.global.getSystemDataDirs,
loads the file into key_file and returns the file's full path in
full_path. If the file could not be loaded then an error is
set to either a #GFileError or #GKeyFileError.
This function looks for a key file named file in the paths returned from glib.global.getUserDataDir and glib.global.getSystemDataDirs, loads the file into key_file and returns the file's full path in full_path. If the file could not be loaded then an error is set to either a #GFileError or #GKeyFileError.