try: ljdsfal

src/create_custom_objects.py

@@ -1,63 +1,104 @@
-from music_kraken import objects, recurse
+from music_kraken.objects import (
-
+    Song,
-import pycountry
+    Album,
+    Artist,
+    Label,
+    Source,
+    DatabaseObject
+)
+from music_kraken.utils.enums import SourcePages
 
 
-song = objects.Song(
+only_smile = Artist(
-    genre="HS Core",
+    name="Only Smile",
-    title="Vein Deep in the Solution",
+    source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/")],
-    length=666,
+    main_album_list=[
-    isrc="US-S1Z-99-00001",
+        Album(
-    tracksort=2,
+            title="Few words...",
-    target=[
+            source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/album/few-words")],
-        objects.Target(file="song.mp3", path="example")
+            song_list=[
+                Song(title="Everything will be fine"),
+                Song(title="Only Smile"),
+                Song(title="Dear Diary"),
+                Song(title="Sad Story")
             ],
-    lyrics_list=[
+            artist_list=[
-        objects.Lyrics(text="these are some depressive lyrics", language="en"),
+                Artist(
-        objects.Lyrics(text="Dies sind depressive Lyrics", language="de")
+                    name="Only Smile",
+                    source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/")],
+                    main_album_list=[
+                        Album(
+                            title="Few words...",
+                            source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/album/few-words")],
+                            song_list=[
+                                Song(title="Everything will be fine"),
+                                Song(title="Only Smile"),
+                                Song(title="Dear Diary"),
+                                Song(title="Sad Story")
                             ],
-    source_list=[
+                            artist_list=[
-        objects.Source(objects.SourcePages.YOUTUBE, "https://youtu.be/dfnsdajlhkjhsd"),
+                                Artist(
-        objects.Source(objects.SourcePages.MUSIFY, "https://ln.topdf.de/Music-Kraken/")
+                                    name="Only Smile",
-    ],
+                                    source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/")]
-    album_list=[
+                                )
-        objects.Album(
-            title="One Final Action",
-            date=objects.ID3Timestamp(year=1986, month=3, day=1),
-            language=pycountry.languages.get(alpha_2="en"),
-            label_list=[
-                objects.Label(name="an album label")
-            ],
-            source_list=[
-                    objects.Source(objects.SourcePages.ENCYCLOPAEDIA_METALLUM, "https://www.metal-archives.com/albums/I%27m_in_a_Coffin/One_Final_Action/207614")
                             ]
                         ),
-    ],
+                        Album(
-    main_artist_list=[
+                            title="Your best friend",
-        objects.Artist(
+                            source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/album/your-best-friend")]
-            name="I'm in a coffin",
-            source_list=[
-                objects.Source(
-                    objects.SourcePages.ENCYCLOPAEDIA_METALLUM,
-                    "https://www.metal-archives.com/bands/I%27m_in_a_Coffin/127727"
                         )
-            ],
-            label_list=[
-                objects.Label(name="Depressive records")
                     ]
                 ),
-        objects.Artist(name="some_split_artist")
+                Artist(
+                    name="Only Smile",
+                    source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/")],
+                    main_album_list=[
+                        Album(
+                            title="Few words...",
+                            source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/album/few-words")],
+                            song_list=[
+                                Song(title="Everything will be fine"),
+                                Song(title="Only Smile"),
+                                Song(title="Dear Diary"),
+                                Song(title="Sad Story")
                             ],
-    feature_artist_list=[
+                            artist_list=[
-        objects.Artist(
+                                Artist(
-            name="Ruffiction",
+                                    name="Only Smile",
-            label_list=[
+                                    source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/")]
-                objects.Label(name="Ruffiction Productions")
+                                )
+                            ]
+                        ),
+                        Album(
+                            title="Your best friend",
+                            source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/album/your-best-friend")]
+                        )
                     ]
                 )
-    ],
+            ]
+        ),
+        Album(
+            title="Your best friend",
+            source_list=[Source(SourcePages.BANDCAMP, "https://onlysmile.bandcamp.com/album/your-best-friend")]
+        )
+    ]
 )
 
-song.compile()
 
-print(song.options)
+objects_by_id = {}
+
+def add_to_objects_dump(db_obj: DatabaseObject):
+    objects_by_id[db_obj.id] = db_obj
+
+    for collection in db_obj.all_collections:
+        for new_db_obj in collection:
+            if new_db_obj.id not in objects_by_id:
+                add_to_objects_dump(new_db_obj)
+
+
+add_to_objects_dump(only_smile)
+
+for _id, _object in objects_by_id.items():
+    print(_id, _object, sep=": ")
+
+print(only_smile)

src/music_kraken/__init__.py

@@ -1,7 +1,6 @@
 import logging
-
 import gc
-import musicbrainzngs
+import sys
 
 from .utils.shared import DEBUG, DEBUG_LOGGIN
 from .utils.config import logging_settings, main_settings, read_config
@@ -9,6 +8,10 @@ read_config()
 from . import cli
 
 
+# I am SO sorry
+print(sys.setrecursionlimit(500))
+
+
 # configure logger default
 logging.basicConfig(
     level=logging_settings['log_level'] if not DEBUG_LOGGIN else logging.DEBUG,

src/music_kraken/objects/collection.py

@@ -3,6 +3,11 @@ from collections import defaultdict
 from dataclasses import dataclass
 
 from .parents import DatabaseObject
+from ..utils.hooks import HookEventTypes, Hooks, Event
+
+
+class CollectionHooks(HookEventTypes):
+    APPEND_NEW = "append_new"
 
 
 T = TypeVar('T', bound=DatabaseObject)
@@ -46,6 +51,8 @@ class Collection(Generic[T]):
         self._attribute_to_object_map: Dict[str, Dict[object, T]] = defaultdict(dict)
         self._used_ids: set = set()
 
+        self.hooks: Hooks = Hooks(self)
+
         if data is not None:
             self.extend(data, merge_on_conflict=True)
 
@@ -74,7 +81,7 @@ class Collection(Generic[T]):
                         pass
 
     def append(self, element: T, merge_on_conflict: bool = True,
-               merge_into_existing: bool = True) -> AppendResult:
+               merge_into_existing: bool = True, no_hook: bool = False) -> AppendResult:
         """
         :param element:
         :param merge_on_conflict:
@@ -84,6 +91,10 @@ class Collection(Generic[T]):
         if element is None:
             return AppendResult(False, None, False)
 
+        for existing_element in self._data:
+            if element is existing_element:
+                return AppendResult(False, None, False)
+
         # if the element type has been defined in the initializer it checks if the type matches
         if self.element_type is not None and not isinstance(element, self.element_type):
             raise TypeError(f"{type(element)} is not the set type {self.element_type}")
@@ -117,18 +128,60 @@ class Collection(Generic[T]):
                 self.map_element(element)
                 return AppendResult(True, existing_object, False)
 
+        if not no_hook:
+            self.hooks.trigger_event(CollectionHooks.APPEND_NEW, new_object=element)
         self._data.append(element)
         self.map_element(element)
 
         return AppendResult(False, element, False)
 
     def extend(self, element_list: Iterable[T], merge_on_conflict: bool = True,
-               merge_into_existing: bool = True):
+               merge_into_existing: bool = True, no_hook: bool = False):
+        if element_list is None:
+            return
+        if len(element_list) <= 0:
+            return
+        if element_list is self:
+            return
         for element in element_list:
-            self.append(element, merge_on_conflict=merge_on_conflict, merge_into_existing=merge_into_existing)
+            self.append(element, merge_on_conflict=merge_on_conflict, merge_into_existing=merge_into_existing, no_hook=no_hook)
+
+    def sync_collection(self, collection_attribute: str):
+        def on_append(event: Event, new_object: T, *args, **kwargs):
+            new_collection = new_object.__getattribute__(collection_attribute)
+            if self is new_collection:
+                return
+
+            self.extend(new_object.__getattribute__(collection_attribute), no_hook=True)
+            new_object.__setattr__(collection_attribute, self)
+
+        self.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_append)
+
+    def sync_main_collection(self, main_collection: "Collection", collection_attribute: str):
+        def on_append(event: Event, new_object: T, *args, **kwargs):
+            new_collection = new_object.__getattribute__(collection_attribute)
+            if main_collection is new_collection:
+                return
+    
+            main_collection.extend(new_object.__getattribute__(collection_attribute), no_hook=True)
+            new_object.__setattr__(collection_attribute, main_collection)
+
+        self.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_append)
+
+    """
+        def on_append(event: Event, new_object: T, *args, **kwargs):
+            new_collection: Collection = new_object.__getattribute__(collection_attribute)
+            if self is new_collection:
+                return
+    
+            self.extend(new_collection.shallow_list, no_hook=False)
+            new_object.__setattr__(collection_attribute, self)
+
+        self.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_append)
+    """
 
     def __iter__(self) -> Iterator[T]:
-        for element in self.shallow_list:
+        for element in self._data:
             yield element
 
     def __str__(self) -> str:

src/music_kraken/objects/parents.py

@@ -11,32 +11,36 @@ from ..utils.config import main_settings, logging_settings
 
 LOGGER = logging_settings["object_logger"]
 
-T = TypeVar('T')
+P = TypeVar('P')
 
 @dataclass
-class StaticAttribute(Generic[T]):
+class StaticAttribute(Generic[P]):
     name: str
 
     default_value: Any = None
     weight: float = 0
 
-    is_simple: bool = True
-
     is_collection: bool = False
     is_downwards_collection: bool = False
     is_upwards_collection: bool = False
 
 
 
-class Attribute(Generic[T]):
+
+
+class Attribute(Generic[P]):
     def __init__(self, database_object: "DatabaseObject", static_attribute: StaticAttribute) -> None:
         self.database_object: DatabaseObject = database_object
         self.static_attribute: StaticAttribute = static_attribute
 
-    def get(self) -> T:
+    @property
+    def name(self) -> str:
+        return self.static_attribute.name
+
+    def get(self) -> P:
         return self.database_object.__getattribute__(self.name)
     
-    def set(self, value: T):
+    def set(self, value: P):
         self.database_object.__setattr__(self.name, value)
 
 
@@ -75,16 +79,15 @@ class DatabaseObject:
             attribute: Attribute = Attribute(self, static_attribute)
             self._attributes.append(attribute)
             
-            if static_attribute.is_simple:
+            if static_attribute.is_collection:
-                self._simple_attribute_list.append(attribute)
-            else:
                 if static_attribute.is_collection:
                     self._collection_attributes.append(attribute)
                     if static_attribute.is_upwards_collection:
                         self._upwards_collection_attributes.append(attribute)
                     if static_attribute.is_downwards_collection:
                         self._downwards_collection_attributes.append(attribute)
-
+            else:
+                self._simple_attribute_list.append(attribute)
 
         # The id can only be None, if the object is dynamic (self.dynamic = True)
         self.id: Optional[int] = _id
@@ -102,6 +105,11 @@ class DatabaseObject:
         for attribute in self._downwards_collection_attributes:
             yield attribute.get()
 
+    @property
+    def all_collections(self) -> "Collection":
+        for attribute in self._collection_attributes:
+            yield attribute.get()
+
     def __hash__(self):
         if self.dynamic:
             raise TypeError("Dynamic DatabaseObjects are unhashable.")
@@ -151,8 +159,10 @@ class DatabaseObject:
             LOGGER.warning(f"can't merge \"{type(other)}\" into \"{type(self)}\"")
             return
 
-        for collection in type(self).COLLECTION_STRING_ATTRIBUTES:
+        for collection in self._collection_attributes:
-            getattr(self, collection).extend(getattr(other, collection))
+            if hasattr(self, collection.name) and hasattr(other, collection.name):
+                if collection.get() is not getattr(other, collection.name):
+                    collection.get().extend(getattr(other, collection.name))
 
         for simple_attribute, default_value in type(self).SIMPLE_STRING_ATTRIBUTES.items():
             if getattr(other, simple_attribute) == default_value:

src/music_kraken/objects/song.py

@@ -5,7 +5,7 @@ from typing import List, Optional, Dict, Tuple, Type
 import pycountry
 
 from ..utils.enums.album import AlbumType, AlbumStatus
-from .collection import Collection
+from .collection import Collection, CollectionHooks
 from .formatted_text import FormattedText
 from .lyrics import Lyrics
 from .contact import Contact
@@ -86,7 +86,7 @@ class Song(MainObject):
             notes: FormattedText = None,
             **kwargs
     ) -> None:
-        MainObject.__init__(self, _id=_id, dynamic=dynamic, **kwargs)
+        super().__init__(_id=_id, dynamic=dynamic, **kwargs)
         # attributes
         self.title: str = title
         self.unified_title: str = unified_title
@@ -102,9 +102,23 @@ class Song(MainObject):
         self.source_collection: SourceCollection = SourceCollection(source_list)
         self.target_collection: Collection[Target] = Collection(data=target_list, element_type=Target)
         self.lyrics_collection: Collection[Lyrics] = Collection(data=lyrics_list, element_type=Lyrics)
-        self.album_collection: Collection[Album] = Collection(data=album_list, element_type=Album)
+
+        # main_artist_collection = album.artist collection
         self.main_artist_collection: Collection[Artist] = Collection(data=main_artist_list, element_type=Artist)
-        self.feature_artist_collection: Collection[Artist] = Collection(data=feature_artist_list, element_type=Artist)
+
+        # this album_collection equals no collection
+        self.album_collection: Collection[Album] = Collection(data=[], element_type=Album)
+        self.album_collection.sync_main_collection(self.main_artist_collection, "artist_collection")
+        self.album_collection.extend(album_list)
+        # self.album_collection.sync_collection("song_collection")
+        # self.album_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_album_append)
+
+        # on feature_artist_collection append, append self to artist self
+        self.feature_artist_collection: Collection[Artist] = Collection(data=[], element_type=Artist)
+        def on_feature_artist_append(event, new_object: Artist, *args, **kwargs):
+            new_object.feature_song_collection.append(self, no_hook=True)
+        self.feature_artist_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_feature_artist_append)
+        self.feature_artist_collection.extend(feature_artist_list)
 
     def _build_recursive_structures(self, build_version: int, merge: bool):
         if build_version == self.build_version:
@@ -307,8 +321,13 @@ class Album(MainObject):
         self.notes = notes or FormattedText()
 
         self.source_collection: SourceCollection = SourceCollection(source_list)
-        self.song_collection: Collection[Song] = Collection(data=song_list, element_type=Song)
+        
         self.artist_collection: Collection[Artist] = Collection(data=artist_list, element_type=Artist)
+        
+        self.song_collection: Collection[Song] = Collection(data=[], element_type=Song)
+        self.song_collection.sync_main_collection(self.artist_collection, "main_artist_collection")
+        self.song_collection.extend(song_list)
+        
         self.label_collection: Collection[Label] = Collection(data=label_list, element_type=Label)
 
     def _build_recursive_structures(self, build_version: int, merge: bool):
@@ -565,15 +584,28 @@ class Artist(MainObject):
 
         self.lyrical_themes: List[str] = lyrical_themes or []
         self.general_genre = general_genre
+        self.unformated_location: Optional[str] = unformated_location
 
         self.source_collection: SourceCollection = SourceCollection(source_list)
-        self.feature_song_collection: Collection[Song] = Collection(data=feature_song_list, element_type=Song)
-        self.main_album_collection: Collection[Album] = Collection(data=main_album_list, element_type=Album)
-        self.label_collection: Collection[Label] = Collection(data=label_list, element_type=Label)
-
         self.contact_collection: Collection[Label] = Collection(data=contact_list, element_type=Contact)
 
-        self.unformated_location: Optional[str] = unformated_location
+        self.feature_song_collection: Collection[Song] = Collection(data=[], element_type=Song)
+        def on_feature_song_append(event, new_object: Song, *args, **kwargs):
+            new_object.feature_artist_collection.append(self, no_hook=True)
+        self.feature_song_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_feature_song_append)
+        self.feature_song_collection.extend(feature_song_list)
+        
+        self.main_album_collection: Collection[Album] = Collection(data=[], element_type=Album)
+        def on_album_append(event, new_object: Album, *args, **kwargs):
+            new_object.artist_collection.append(self, no_hook=True)
+        self.main_album_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_album_append)
+        self.main_album_collection.extend(main_album_list)
+
+        self.label_collection: Collection[Label] = Collection(data=label_list, element_type=Label)
+        def on_label_append(event, new_object: Label, *args, **kwargs):
+            new_object.current_artist_collection.append(self, no_hook=True)
+        self.label_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_label_append)
+
 
     def _add_other_db_objects(self, object_type: Type["DatabaseObject"], object_list: List["DatabaseObject"]):
         if object_type is Song:

src/music_kraken/pages/abstract.py

@@ -140,6 +140,9 @@ def clean_object(dirty_object: DatabaseObject) -> DatabaseObject:
             Song: Collection(element_type=Song)
         }
 
+        if isinstance(dirty_object, Song):
+            return dirty_object
+
         _clean_music_object(dirty_object, collections)
     return dirty_object
     
@@ -153,7 +156,7 @@ def merge_together(old_object: DatabaseObject, new_object: DatabaseObject, do_co
     new_object = clean_object(new_object)
     
     old_object.merge(new_object)
-    if do_compile:
+    if do_compile and False:
         old_object.compile(merge_into=False)
     
     return old_object
@@ -274,7 +277,7 @@ class Page:
                     post_process=False
                 ))
 
-        return merge_together(music_object, new_music_object, do_compile=post_process)
+        return music_object.merge(new_music_object)
 
     def fetch_object_from_source(self, source: Source, stop_at_level: int = 2, enforce_type: Type[DatabaseObject] = None, post_process: bool = True) -> Optional[DatabaseObject]:
         obj_type = self.get_source_type(source)
@@ -309,9 +312,6 @@ class Page:
                 for sub_element in collection:
                     sub_element.merge(self.fetch_details(sub_element, stop_at_level=stop_at_level-1, post_process=False))
         
-        if post_process and music_object:
-            return build_new_object(music_object)
-
         return music_object
     
     def fetch_song(self, source: Source, stop_at_level: int = 1) -> Song:

src/music_kraken/utils/enums/__init__.py

@@ -0,0 +1 @@
+from .source import SourcePages

src/music_kraken/utils/hooks.py

@@ -0,0 +1,29 @@
+from typing import List, Iterable, Dict, TypeVar, Generic, Iterator, Any, Type
+from enum import Enum
+from dataclasses import dataclass
+from collections import defaultdict
+
+
+class HookEventTypes(Enum):
+    pass
+
+
+@dataclass
+class Event:
+    target: Any
+
+
+class Hooks:
+    def __init__(self, target) -> None:
+        self.target = target
+
+        self._callbacks: Dict[HookEventTypes, List[callable]] = defaultdict(list)
+
+    def add_event_listener(self, event_type: HookEventTypes, callback: callable):
+        self._callbacks[event_type].append(callback)
+
+    def trigger_event(self, event_type: HookEventTypes, *args, **kwargs):
+        event: Event = Event(target=self.target)
+
+        for callback in self._callbacks[event_type]:
+            callback(event, *args, **kwargs)