<html><center>Start</center> <center><tt>__main__.py</tt></center></html> <html><center>Call CLI</center> <center><tt>ui.__init__.py main() -> _raw_main()</tt></center></html> <html><center>Bootstrap</center> <center><tt>ui.__init__.py _setup()</tt></center></html> Folder 1 <html><center>Configure Musicbrainz API</center> <center><tt>autotag.mb.py configure()</tt></center></html> <html><center>Configure</center> <center><tt>_configure()</tt></center></html> <html><center>Load plugins</center> <center><tt>_load_plugins()</tt></center></html> Add types and queries defined by plugin Send 'pluginload' event Get default subcommands Load plugin subcommands <html><center>Open library</center> <center><tt>_open_library()</tt></center></html> Check if library exists Continue <html><center>Parse subcommand and arguments</center> <center><tt>ut.__init__.py _raw_main() -></center> <center>SubcommandsOptionParser.parse_subcommand()</tt></center><html Run subcommand function Assume 'import' command <html><center>Set importer configuration</center> <center><tt>ui.commands.py import_func()</tt></center></html> Check user-supplied directories <html><center>Import files</center> <center><tt>ui.commands.py import_files()</tt></center></html> <html><center>Create import session</center> <center><tt>ui.commands.TerminalImportSession</tt></center></html> <html><center>Run session</center> <center><tt>TerminalImportSession.run()</tt></center></html> Folder 2 Split directory tasks into a task for each album Add stages for import Add plugin early import stages Add plugin import stages Send 'import_begin' event to plugins Check if threading enabled Run pipeline sequentially Run pipeline in parallel threads Check if autotag enabled <html><center>Find candidates</center> <center><tt>importer.py lookup_candidates()</tt></center></html> <html><center>Import as-is</center> <center><tt>importer.py import_asis()</tt></center></html> Send 'import_task_start' plugin event Check if item is album <html><center><tt>ImportTask.lookup_candidates()</tt></center> Item is a singleton <html><center><tt>SingletonImportTask.lookup_candidates()</tt></center> <html><center>Find album tags</center> <center><tt>autotag.match.py tag_album()</tt></center></html> Folder 3 Get current metadata Check if IDs exist <html><center>Find albums with ID</center> <center><tt>autotag.hooks.album_for_id()</tt></center></html> Folder 4 <html><center><tt>autotag.hooks.album_for_mbid()</tt></center> <html><center><tt>autotag.hooks.album_for_mbid()</tt></center> <html><center><tt>autotag.mb.album_for_id()</tt></center> Success Send 'albuminfo_received' plugin event <html><center>Check plugin sources for album ID results</center> <center><tt>plugins.album_for_id()</tt></center></html> Return matches Success <html><center>Add candidates to potential matches</center> <center><tt>autotag.match._add_candidate()</tt></center></html> Folder 5 Discard empty albums Filter duplicates Discard matches without tags <html><center>Find mapping between import items and track info</center> <center><tt>assign_items()</tt></center></html> Skip matches with ignored penalties <html><center>Return <tt>AlbumMatch</tt> objects</center></html> <html><center>Calculate distance of changes</center> <center><tt>distance()</tt></center></html> Use metadata for search <html><center>Search with existing ID</center> <center><tt>match_by_id()</tt></center></html> Success Search with tag terms from metadata Check if it is a VA release Collect results from data sources Sort by distance <html><center>Return <tt>Proposal</tt> with recommendations</center></html> <html><center>Get recommendations</center> <center><tt>autotag.match.py _recommendation()</tt></center></html> Folder 6 Use configuration threshold values to classify matches Downgrade recommendation level if lower than current recommendation with penalty <html><center>Return <tt>Recommendation</tt> for object</center></html> Get user-input for decision on proposals Apply as-is choice autotag.match.distance() Folder 7 Get current metadata for items Create autotag.hooks.Distance object to keep track of penalties Check if artist is VA Calculate artist distance Calculate album difference Check if album media specified Check configuration options Calculate album media distance Check if medium specified Check if earliest release preferred Calculate distance for medium Assume 1989 Is original year known Calculate difference between album year and original year Calculate maximum difference between current year and original year Add distance ratio of year difference and max difference Check if year specified Does year match exactly Add no penalty for year Prefer match with closest year Check country distance Check label distance Check catalog number distance Check disambiguation distance Check album ID difference Checked all tracks? Add track distance Are tracks missing? Add full penalty Are there unmatched tracks? Add full penalty Apply plugin distance changes Return autotag.hooks.Distance object Doesn't Exist Exists No Yes Yes No Yes No Yes Yes Yes No Yes No No Yes Yes No Yes No Yes No Yes No Yes Yes No No No Yes Yes No Yes No