def get_song_by_uri(self, uri):
rows_canonical = self._graph.query(Queries.find_canonical_compiled(uri))
canonical_tuple = MeraRdflibGraph._get_double_rows_simple_result(rows_canonical)
if canonical_tuple is None:
return None
# rows_artist = self._graph.query(Queries.find_artists_uri_compiled(uri))
rows_compilers = self._graph.query(Queries.find_compiler_uri_compiled(uri))
rows_genres = self._graph.query(Queries.find_genres_compiled(uri))
rows_alt_titles = self._graph.query(Queries.find_alternative_titles_compiled(uri))
# rows_country = self._graph.query(Queries.find_country_compiled(uri))
rows_discogs_id = self._graph.query(Queries.find_discogs_id_compiled(uri))
rows_discogs_index = self._graph.query(Queries.find_discogs_index_compiled(uri))
rows_transaction_id = self._graph.query(Queries.find_usos_transaction_id_compiled(uri))
rows_isrc = self._graph.query(Queries.find_usos_isrc_compiled(uri))
# rows_duration = None # Not used yet
# rows_date = None # Not used yet
# rows_album = None # Not used yet
return MeraSong(labelled_canonical=canonical_tuple,
labelled_alt_titles=MeraRdflibGraph._get_double_rows_multiple_result(rows_alt_titles),
labelled_collaborations=self._build_labelled_collaborations_from_rows(rows_compilers,
ROLE_WRITER),
# labelled_country=MeraRdflibGraph._get_double_rows_simple_result(rows_country),
# artists=MeraRdflibGraph._get_single_rows_multiple_result(rows_artist),
duration=None,
labelled_genres=MeraRdflibGraph._get_double_rows_multiple_result(rows_genres),
release_date=None,
album=None,
discogs_index=MeraRdflibGraph._get_single_rows_simple_result(rows_discogs_index),
discogs_id=MeraRdflibGraph._get_single_rows_simple_result(rows_discogs_id),
usos_transaction_id=MeraRdflibGraph._get_single_rows_simple_result(rows_transaction_id),
usos_isrc=MeraRdflibGraph._get_single_rows_simple_result(rows_isrc))