feat: migrated fetch details and from source
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This commit is contained in:
2024-05-13 18:03:20 +02:00
parent 9769cf4033
commit 0343c11a62
4 changed files with 45 additions and 116 deletions

View File

@@ -189,103 +189,7 @@ class Page:
def song_search(self, song: Song) -> List[Song]:
return []
def fetch_details(
self,
music_object: DatabaseObject,
stop_at_level: int = 1,
) -> DatabaseObject:
"""
when a music object with lacking data is passed in, it returns
the SAME object **(no copy)** with more detailed data.
If you for example put in, an album, it fetches the tracklist
:param music_object:
:param stop_at_level:
This says the depth of the level the scraper will recurse to.
If this is for example set to 2, then the levels could be:
1. Level: the album
2. Level: every song of the album + every artist of the album
If no additional requests are needed to get the data one level below the supposed stop level
this gets ignored
:return detailed_music_object: IT MODIFIES THE INPUT OBJ
"""
# creating a new object, of the same type
new_music_object: Optional[DatabaseObject] = None
fetched_from_url: List[str] = []
# only certain database objects, have a source list
if isinstance(music_object, INDEPENDENT_DB_OBJECTS):
source: Source
for source in music_object.source_collection.get_sources(self.SOURCE_TYPE):
if music_object.already_fetched_from(source.hash_url):
continue
tmp = self.fetch_object_from_source(
source=source,
enforce_type=type(music_object),
stop_at_level=stop_at_level,
type_string=type(music_object).__name__,
entity_string=music_object.option_string,
)
if new_music_object is None:
new_music_object = tmp
else:
new_music_object.merge(tmp)
fetched_from_url.append(source.hash_url)
if new_music_object is not None:
music_object.merge(new_music_object)
music_object.mark_as_fetched(*fetched_from_url)
return music_object
def fetch_object_from_source(
self,
source: Source,
stop_at_level: int = 2,
enforce_type: Type[DatabaseObject] = None,
type_string: str = "",
entity_string: str = "",
) -> Optional[DatabaseObject]:
obj_type = self.get_source_type(source)
if obj_type is None:
return None
if enforce_type != obj_type and enforce_type is not None:
self.LOGGER.warning(f"Object type isn't type to enforce: {enforce_type}, {obj_type}")
return None
music_object: DatabaseObject = None
fetch_map = {
Song: self.fetch_song,
Album: self.fetch_album,
Artist: self.fetch_artist,
Label: self.fetch_label
}
if obj_type in fetch_map:
music_object = fetch_map[obj_type](source, stop_at_level=stop_at_level)
else:
self.LOGGER.warning(f"Can't fetch details of type: {obj_type}")
return None
if stop_at_level > 0:
trace(f"fetching {type_string} [{entity_string}] [stop_at_level={stop_at_level}]")
collection: Collection
for collection_str in music_object.DOWNWARDS_COLLECTION_STRING_ATTRIBUTES:
collection = music_object.__getattribute__(collection_str)
for sub_element in collection:
sub_element.merge(
self.fetch_details(sub_element, stop_at_level=stop_at_level - 1))
return music_object
# to fetch stuff
def fetch_song(self, source: Source, stop_at_level: int = 1) -> Song:
return Song()