added playlist

src/metal_archives.py

@@ -63,6 +63,7 @@ artist = song.main_artist_list[0]
 # artist = EncyclopaediaMetallum.fetch_artist_details(artist, flat=False)
 
 album = EncyclopaediaMetallum.fetch_album_details(song.album, flat=False)
+print(album.tracklist)
 
 # print_artist(artist)
 

src/music_kraken/database/objects/collection.py

@@ -14,7 +14,7 @@ class Collection:
     _by_attribute: dict
 
 
-    def __init__(self, data: list = None, map_attributes: list = None) -> None:
+    def __init__(self, data: list = None, map_attributes: list = None, element_type=None) -> None:
         """
         Attribute needs to point to
         """
@@ -22,6 +22,7 @@ class Collection:
         
 
         self.map_attributes = map_attributes or []
+        self.element_type = element_type
         self._by_attribute = {attr: dict() for attr in map_attributes}
 
         self._data = data or []
@@ -30,7 +31,9 @@ class Collection:
             self.map_element(element=element)
 
     def map_element(self, element: SourceAttribute):
-        self._by_url.update(element.source_url_map)
+        for source_url in element.source_url_map:
+            self._by_url[source_url] = element
+
         for attr in self.map_attributes:
             value = element.__getattribute__(attr)
             if type(value) != str:
@@ -53,9 +56,20 @@ class Collection:
             raise ValueError(f"didn't map the attribute {name}")
 
         unified = string_processing.unify(value)
-        if unified in self._by_attribute[name][unified]:
+        if unified in self._by_attribute[name]:
             return self._by_attribute[name][unified]
 
     def append(self, element: SourceAttribute):
+        if type(element) is not self.element_type and self.element_type is not None:
+            
+            raise TypeError(f"{type(element)} is not the set type {self.element_type}")
+
         self._data.append(element)
         self.map_element(element)
+
+    def __iter__(self):
+        for element in self._data:
+            yield element
+
+    def __str__(self) -> str:
+        return "\n".join([f"{str(j).zfill(2)}: {i}" for j, i in enumerate(self._data)])

src/music_kraken/database/objects/song.py

@@ -24,6 +24,7 @@ from .source import (
     SourceAttribute
 )
 from .formatted_text import FormattedText
+from .collection import Collection
 
 """
 All Objects dependent 
@@ -262,7 +263,8 @@ class Album(DatabaseObject, SourceAttribute, MetadataAttribute):
             albumsort: int = None,
             dynamic: bool = False,
             source_list: List[Source] = None,
-            artists: list = None
+            artists: list = None,
+            tracklist: List[Song] = None
     ) -> None:
         DatabaseObject.__init__(self, id_=id_, dynamic=dynamic)
         self.title: str = title
@@ -282,14 +284,15 @@ class Album(DatabaseObject, SourceAttribute, MetadataAttribute):
         self.is_split: bool = is_split
         self.albumsort: int | None = albumsort
 
-        self._tracklist: List[Song] = list()
 
-        if source_list is not None:
-            self.source_list = source_list
+        self._tracklist = Collection(
+            data=tracklist or [],
+            map_attributes=["title"],
+            element_type=Song
+        )
+        self.source_list = source_list or []
+        self.artists = artists or []
 
-        self.artists = []
-        if artists is not None:
-            self.artists = artists
 
     def __str__(self) -> str:
         return f"Album: \"{self.title}\""
@@ -300,11 +303,19 @@ class Album(DatabaseObject, SourceAttribute, MetadataAttribute):
     def __len__(self) -> int:
         return len(self.tracklist)
 
-    def set_tracklist(self, tracklist: List[Song]):
-        self._tracklist = tracklist
+    def set_tracklist(self, tracklist):
+        tracklist_list = []
+        if type(tracklist) == Collection:
+            tracklist_list = tracklist_list
+        elif type(tracklist) == list:
+            tracklist_list = tracklist
 
-        for i, track in enumerate(self._tracklist):
-            track.tracksort = i + 1
+        self._tracklist = Collection(
+            data=tracklist_list,
+            map_attributes=["title"],
+            element_type=Song
+        )
+        
 
     def add_song(self, song: Song):
         for existing_song in self._tracklist:
@@ -337,9 +348,10 @@ class Album(DatabaseObject, SourceAttribute, MetadataAttribute):
 
         return self.language.alpha_3
 
+
     copyright = property(fget=get_copyright)
     iso_639_2_language = property(fget=get_iso_639_2_lang)
-    tracklist = property(fget=lambda self: self._tracklist, fset=set_tracklist)
+    tracklist: Collection = property(fget=lambda self: self._tracklist, fset=set_tracklist)
 
 
 """

src/music_kraken/pages/encyclopaedia_metallum.py

@@ -446,19 +446,6 @@ class EncyclopaediaMetallum(Page):
             LOGGER.warning(f"code {r.status_code} at {source.url}")
             return album
 
-        # prepare tracklist
-        track_by_url = dict()
-        track_by_name = dict()
-        for track in album._tracklist:
-            track_by_name[string_processing.unify(track.title)] = track
-            for source in track.get_sources_from_page(cls.SOURCE_TYPE):
-                track_by_url[source.url] = album
-        old_tracklist = album._tracklist.copy()
-        # save the ids of the albums, that are added to this set, so I can
-        # efficiently add all leftover albums from the discography to the new one
-        used_ids = set()
-        new_tracklist = []
-
         soup = BeautifulSoup(r.text, 'html.parser')
 
         tracklist_soup = soup.find("table", {"class": "table_lyrics"}).find("tbody")
@@ -488,34 +475,26 @@ class EncyclopaediaMetallum(Page):
             minutes, seconds = duration_stamp.split(":")
             length = (int(minutes) * 60 + int(seconds))*1000 # in milliseconds
 
-            track: Song
-            if track_id in track_by_url:
-                track = track_by_url[track_id]
-                used_ids.add(track.id)
-            elif title in track_by_name:
-                track = track_by_name[title]
-                used_ids.add(track.id)
-            else:
-                track = Song(
-                    id_=track_id,
-                    title=title,
-                    length=length,
-                    tracksort=track_sort
-                )
-            track.add_source(Source(cls.SOURCE_TYPE, track_id))
-            
-            new_tracklist.append(track)
+            track: Song = album.tracklist.get_object_with_source(track_id) or album.tracklist.get_object_with_attribute("title", title)
 
-            print(track)
-            print("-"*20)
-            # print(row)
-
-        for old_track in old_tracklist:
-            if old_track.dynamic:
+            if track is not None:
+                track.add_source(Source(cls.SOURCE_TYPE, track_id))
+                track.length = length
+                track.tracksort = track_sort
                 continue
-            if old_track.id not in used_ids:
-                new_tracklist.append(old_track)
-        album.tracklist = new_tracklist
+
+            
+            track = Song(
+                id_=track_id,
+                title=title,
+                length=length,
+                tracksort=track_sort,
+                source_list=[
+                    Source(cls.SOURCE_TYPE, track_id)
+                ]
+            )
+            
+            album.tracklist.append(track)
 
         return album