metadata
This commit is contained in:
Lars Noack
parent
4abb17ca8e
commit
bc69cac27c
@ -247,67 +247,77 @@ class ID3Timestamp:
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timestamp: str = property(fget=get_timestamp)
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class Metadata:
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class MetadataAttribute:
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"""
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Shall only be read or edited via the Song object.
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call it like a dict to read/write values
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This class shall be added to any object, which can return data for tagging
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"""
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def __init__(self, id3_dict: dict = None) -> None:
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class Metadata:
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# its a null byte for the later concatenation of text frames
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NULL_BYTE: str = "\x00"
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# this is pretty self-explanatory
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# the key is a 4 letter key from the id3 standards like TITL
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# the key is an enum from Mapping
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# the value is a list with each value
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# the mutagen object for each frame will be generated dynamically
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id3_dict: Dict[any, list] = dict()
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self.id3_attributes: Dict[str, list] = {}
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def __init__(self, id3_dict: Dict[any, list] = None) -> None:
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if id3_dict is not None:
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self.add_metadata_dict(id3_dict)
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# its a null byte for the later concatenation of text frames
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self.null_byte = "\x00"
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def get_all_metadata(self):
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return list(self.id3_attributes.items())
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def __setitem__(self, key: str, value: list, override_existing: bool = True):
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if len(value) == 0:
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def __setitem__(self, frame, value_list: list, override_existing: bool = True):
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if len(value_list) == 0:
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return
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if type(value_list) != list:
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raise ValueError(f"can only set attribute to list, not {type(value_list)}")
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new_val = [i for i in value_list if i is not None]
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if len(new_val) == 0:
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return
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if type(value) != list:
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raise ValueError(f"can only set attribute to list, not {type(value)}")
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if override_existing:
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new_val = []
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for elem in value:
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if elem is not None:
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new_val.append(elem)
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if len(new_val) > 0:
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self.id3_attributes[key] = new_val
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self.id3_dict[frame] = new_val
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else:
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if key not in self.id3_attributes:
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self.id3_attributes[key] = value
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if frame not in self.id3_dict:
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self.id3_dict[frame] = new_val
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return
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self.id3_attributes[key].extend(value)
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self.id3_attributes[frame].extend(new_val)
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def __getitem__(self, key):
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if key not in self.id3_attributes:
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if key not in self.id3_dict:
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return None
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return self.id3_attributes[key]
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return self.id3_dict[key]
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def delete_field(self, key: str):
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if key in self.id3_attributes:
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return self.id3_attributes.pop(key)
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def add_metadata_dict(self, metadata_dict: dict, override_existing: bool = True):
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for field_enum, value in metadata_dict.items():
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self.__setitem__(field_enum.value, value, override_existing=override_existing)
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def add_many_metadata_dict(self, id3_metadata_list: List[dict], override_existing: bool = False):
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for metadata_dict in id3_metadata_list:
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self.add_metadata_dict(metadata_dict, override_existing=override_existing)
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def merge(self, other, override_existing: bool = False):
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"""
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adds the values of another metadata obj to this one
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"""
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self.add_metadata_dict(other.id3_dict, override_existing=override_existing)
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def delete_item(self, key: str):
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if key in self.id3_attributes:
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return self.id3_attributes.pop(key)
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def merge_many(self, many_other):
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"""
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adds the values of many other metadata objects to this one
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"""
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for other in many_other:
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self.merge(other)
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def get_id3_value(self, key: str):
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if key not in self.id3_attributes:
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def get_id3_value(self, field):
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if field not in self.id3_attributes:
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return None
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list_data = self.id3_attributes[key]
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list_data = self.id3_dict[field]
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# convert for example the time objects to timestamps
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for i, element in enumerate(list_data):
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@ -324,23 +334,36 @@ class Metadata:
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Thus if above conditions are met, I concatenate the list,
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else I take the first element
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"""
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if key[0].upper() == "T" and key.upper() != "TXXX":
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if field.value[0].upper() == "T" and field.value.upper() != "TXXX":
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return self.null_byte.join(list_data)
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return list_data[0]
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def get_mutagen_object(self, key: str):
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return Mapping.get_mutagen_instance(Mapping(key), self.get_id3_value(key))
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def __iter__(self):
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# set the tagging timestamp to the current time
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self.__setitem__(Mapping.TAGGING_TIME.value, [ID3Timestamp.now()])
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for key in self.id3_attributes:
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yield key, self.get_mutagen_object(key)
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def get_mutagen_object(self, field):
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return Mapping.get_mutagen_instance(field, self.get_id3_value(field))
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def __str__(self) -> str:
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rows = []
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for key, value in self.id3_attributes.items():
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rows.append(f"{key} - {str(value)}")
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return "\n".join(rows)
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def __iter__(self):
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"""
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returns a generator, you can iterate through,
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to directly tagg a file with id3 container.
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"""
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# set the tagging timestamp to the current time
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self.__setitem__(Mapping.TAGGING_TIME.value, [ID3Timestamp.now()])
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for field in self.id3_attributes:
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yield self.get_mutagen_object(field)
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def get_metadata(self) -> Metadata:
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"""
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this is intendet to be overwritten by the child class
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"""
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return self.Metadata()
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metadata = property(fget=get_metadata)
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@ -21,7 +21,8 @@ from .parents import (
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from .source import (
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Source,
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SourceTypes,
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SourcePages
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SourcePages,
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SourceAttribute
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)
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"""
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@ -79,15 +80,24 @@ class Target(DatabaseObject, SongAttribute):
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exists_on_disc = property(fget=get_exists_on_disc)
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class Lyrics(DatabaseObject, SongAttribute):
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def __init__(self, text: str, language: str, id_: str = None) -> None:
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class Lyrics(DatabaseObject, SongAttribute, SourceAttribute):
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def __init__(
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self,
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text: str,
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language: str,
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id_: str = None,
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source_list: List[Source] = None
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) -> None:
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DatabaseObject.__init__(self, id_=id_)
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SongAttribute.__init__(self)
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self.text = text
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self.language = language
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if source_list is not None:
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self.source_list = source_list
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class Song(DatabaseObject, ID3Metadata):
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class Song(DatabaseObject, ID3Metadata, SourceAttribute):
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def __init__(
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self,
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id_: str = None,
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@ -98,7 +108,7 @@ class Song(DatabaseObject, ID3Metadata):
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length: int = None,
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tracksort: int = None,
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genre: str = None,
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sources: List[Source] = None,
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source_list: List[Source] = None,
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target: Target = None,
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lyrics: List[Lyrics] = None,
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album=None,
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@ -122,8 +132,8 @@ class Song(DatabaseObject, ID3Metadata):
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self.tracksort: int | None = tracksort
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self.genre: str = genre
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self._sources: List[Source] = []
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self.sources = sources
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if source_list:
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self.source_list = source_list
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self.album = album
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@ -187,7 +197,7 @@ class Song(DatabaseObject, ID3Metadata):
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def get_metadata(self) -> Metadata:
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metadata = Metadata(self.get_id3_dict())
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metadata.add_many_metadata_dict([source.get_id3_dict() for source in self.sources])
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metadata.add_many_metadata_dict([source.get_id3_dict() for source in self.source_list])
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if self.album is not None:
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metadata.add_metadata_dict(self.album.get_id3_dict())
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metadata.add_many_metadata_dict([artist.get_id3_dict() for artist in self.main_artist_list])
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@ -195,15 +205,6 @@ class Song(DatabaseObject, ID3Metadata):
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return metadata
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def set_sources(self, source_list: List[Source]):
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if source_list is None:
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return
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self._sources = source_list
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for source in self._sources:
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source.type_enum = SourceTypes.SONG
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sources: List[Source] = property(fget=lambda self: self._sources, fset=set_sources)
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metadata = property(fget=get_metadata)
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@ -212,7 +213,7 @@ All objects dependent on Album
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"""
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class Album(DatabaseObject, ID3Metadata):
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class Album(DatabaseObject, ID3Metadata, SourceAttribute):
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"""
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-------DB-FIELDS-------
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title TEXT,
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@ -240,7 +241,7 @@ class Album(DatabaseObject, ID3Metadata):
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is_split: bool = False,
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albumsort: int = None,
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dynamic: bool = False,
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sources: List[Source] = None,
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source_list: List[Source] = None,
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artists: list = None
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) -> None:
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DatabaseObject.__init__(self, id_=id_, dynamic=dynamic)
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@ -261,8 +262,8 @@ class Album(DatabaseObject, ID3Metadata):
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self.tracklist: List[Song] = []
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self._sources = []
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self.sources = sources
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if source_list is not None:
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self.source_list = source_list
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self.artists = []
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if artists is not None:
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@ -312,16 +313,6 @@ class Album(DatabaseObject, ID3Metadata):
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return self.language.alpha_3
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def set_sources(self, source_list: List[Source]):
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if source_list is None:
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return
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self._sources = source_list
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for source in self._sources:
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source.add_song(self)
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source.type_enum = SourceTypes.ALBUM
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sources: List[Source] = property(fget=lambda self: self._sources, fset=set_sources)
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copyright = property(fget=get_copyright)
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iso_639_2_language = property(fget=get_iso_639_2_lang)
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@ -332,7 +323,7 @@ All objects dependent on Artist
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"""
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class Artist(DatabaseObject, ID3Metadata):
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class Artist(DatabaseObject, ID3Metadata, SourceAttribute):
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"""
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main_songs
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feature_song
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@ -344,7 +335,7 @@ class Artist(DatabaseObject, ID3Metadata):
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self,
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id_: str = None,
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name: str = None,
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sources: List[Source] = None,
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source_list: List[Source] = None,
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main_songs: List[Song] = None,
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feature_songs: List[Song] = None,
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main_albums: List[Album] = None,
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@ -368,9 +359,8 @@ class Artist(DatabaseObject, ID3Metadata):
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self.main_albums = main_albums
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self._sources = []
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self.sources = sources
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if source_list is not None:
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self.source_list = source_list
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def __str__(self):
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return self.name or ""
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@ -427,16 +417,7 @@ class Artist(DatabaseObject, ID3Metadata):
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return id3_dict
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def set_sources(self, source_list: List[Source]):
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if source_list is None:
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return
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self._sources = source_list
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for source in self._sources:
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source.add_song(self)
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source.type_enum = SourceTypes.ARTIST
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sources: List[Source] = property(fget=lambda self: self._sources, fset=set_sources)
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discography: List[Album] = property(fget=get_discography)
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features: Album = property(fget=get_features)
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songs: Album = property(fget=get_songs)
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@ -86,7 +86,7 @@ class SourceAttribute:
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"""
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adds a new Source to the sources
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"""
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pass
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self._source_dict[source.page_enum].append(source)
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def get_sources_from_page(self, page_enum) -> List[Source]:
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"""
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@ -99,7 +99,13 @@ class SourceAttribute:
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"""
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gets all sources
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"""
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return []
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return [item for _, item in self._source_dict.items()]
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def set_source_list(self, source_list: List[Source]):
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self._source_dict = {page_enum: list() for page_enum in SourcePages}
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for source in source_list:
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self.add_source(source)
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def get_source_dict(self) -> Dict[any: List[Source]]:
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"""
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@ -109,5 +115,5 @@ class SourceAttribute:
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"""
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return self._source_dict
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source_list: List[Source] = property(fget=get_source_list)
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source_list: List[Source] = property(fget=get_source_list, fset=set_source_list)
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source_dict: Dict[any: List[Source]] = property(fget=get_source_dict)
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