323 lines
10 KiB
Python
323 lines
10 KiB
Python
from typing import List, Optional, Type
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from urllib.parse import urlparse
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import json
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from enum import Enum
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from bs4 import BeautifulSoup
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import pycountry
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import demjson3
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from ..objects import Source, DatabaseObject
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from .abstract import Page
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from ..objects import (
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Artist,
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Source,
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SourcePages,
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Song,
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Album,
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Label,
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Target,
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Contact,
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ID3Timestamp,
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Lyrics,
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FormattedText
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)
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from ..connection import Connection
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from ..utils.support_classes import DownloadResult
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from ..utils.config import main_settings, logging_settings
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from ..utils.shared import DEBUG
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if DEBUG:
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from ..utils.debug_utils import dump_to_file
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class BandcampTypes(Enum):
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ARTIST = "b"
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ALBUM = "a"
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SONG = "t"
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class Bandcamp(Page):
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# CHANGE
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SOURCE_TYPE = SourcePages.BANDCAMP
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LOGGER = logging_settings["bandcamp_logger"]
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HOST = "https://onlysmile.bandcamp.com"
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def __init__(self, *args, **kwargs):
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self.connection: Connection = Connection(
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host="https://bandcamp.com/",
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logger=self.LOGGER
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)
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super().__init__(*args, **kwargs)
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def get_source_type(self, source: Source) -> Optional[Type[DatabaseObject]]:
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parsed_url = urlparse(source.url)
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if parsed_url.path == "":
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return Artist
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if parsed_url.path.startswith("/album/"):
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return Album
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if parsed_url.path.startswith("/track/"):
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return Song
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return super().get_source_type(source)
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def _parse_autocomplete_api_result(self, data: dict) -> DatabaseObject:
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try:
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object_type = BandcampTypes(data["type"])
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except ValueError:
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print(data["type"])
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return
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url = data["item_url_root"]
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if "item_url_path" in data:
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url = data["item_url_path"]
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source_list = [Source(self.SOURCE_TYPE, url)]
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name = data["name"]
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if data.get("is_label", False):
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return Label(
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name=name,
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source_list=source_list
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)
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if object_type is BandcampTypes.ARTIST:
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return Artist(
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name=name,
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source_list=source_list
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)
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if object_type is BandcampTypes.ALBUM:
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return Album(
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title=name,
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source_list=source_list,
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artist_list=[
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Artist(
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name=data["band_name"],
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source_list=[
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Source(self.SOURCE_TYPE, data["item_url_root"])
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]
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)
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]
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)
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if object_type is BandcampTypes.SONG:
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return Song(
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title=name,
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source_list=source_list,
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main_artist_list=[
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Artist(
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name=data["band_name"],
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source_list=[
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Source(self.SOURCE_TYPE, data["item_url_root"])
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]
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)
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]
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)
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def general_search(self, search_query: str, filter_string: str = "") -> List[DatabaseObject]:
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results = []
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r = self.connection.post("https://bandcamp.com/api/bcsearch_public_api/1/autocomplete_elastic", json={
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"fan_id": None,
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"full_page": True,
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"search_filter": filter_string,
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"search_text": search_query,
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})
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if r is None:
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return results
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if DEBUG:
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dump_to_file("bandcamp_response.json", r.text, is_json=True, exit_after_dump=False)
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data = r.json()
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for element in data.get("auto", {}).get("results", []):
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r = self._parse_autocomplete_api_result(element)
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if r is not None:
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results.append(r)
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return results
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def label_search(self, label: Label) -> List[Label]:
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return self.general_search(label.name, filter_string="b")
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def artist_search(self, artist: Artist) -> List[Artist]:
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return self.general_search(artist.name, filter_string="b")
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def album_search(self, album: Album) -> List[Album]:
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return self.general_search(album.title, filter_string="a")
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def song_search(self, song: Song) -> List[Song]:
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return self.general_search(song.title, filter_string="t")
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def fetch_label(self, source: Source, stop_at_level: int = 1) -> Label:
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return Label()
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def _parse_artist_details(self, soup: BeautifulSoup) -> Artist:
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name: str = None
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source_list: List[Source] = []
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contact_list: List[Contact] = []
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band_name_location: BeautifulSoup = soup.find("p", {"id": "band-name-location"})
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if band_name_location is not None:
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title_span = band_name_location.find("span", {"class": "title"})
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if title_span is not None:
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name = title_span.text.strip()
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link_container: BeautifulSoup = soup.find("ol", {"id": "band-links"})
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if link_container is not None:
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li: BeautifulSoup
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for li in link_container.find_all("a"):
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if li is None and li['href'] is not None:
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continue
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source_list.append(Source.match_url(li['href'], referer_page=self.SOURCE_TYPE))
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return Artist(
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name=name,
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source_list=source_list
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)
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def _parse_song_list(self, soup: BeautifulSoup) -> List[Album]:
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title = None
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source_list: List[Source] = []
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a = soup.find("a")
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if a is not None and a["href"] is not None:
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source_list.append(Source(self.SOURCE_TYPE, self.HOST + a["href"]))
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title_p = soup.find("p", {"class": "title"})
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if title_p is not None:
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title = title_p.text.strip()
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return Album(title=title, source_list=source_list)
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def fetch_artist(self, source: Source, stop_at_level: int = 1) -> Artist:
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artist = Artist()
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r = self.connection.get(source.url)
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if r is None:
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return artist
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soup = self.get_soup_from_response(r)
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if DEBUG:
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dump_to_file("artist_page.html", r.text, exit_after_dump=False)
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artist = self._parse_artist_details(soup=soup.find("div", {"id": "bio-container"}))
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for subsoup in soup.find("ol", {"id": "music-grid"}).find_all("li"):
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artist.main_album_collection.append(self._parse_song_list(soup=subsoup))
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return artist
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def _parse_track_element(self, track: dict) -> Optional[Song]:
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return Song(
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title=track["item"]["name"],
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source_list=[Source(self.SOURCE_TYPE, track["item"]["mainEntityOfPage"])],
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tracksort=track["position"]
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)
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def fetch_album(self, source: Source, stop_at_level: int = 1) -> Album:
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print(source)
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album = Album()
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r = self.connection.get(source.url)
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if r is None:
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return album
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soup = self.get_soup_from_response(r)
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data_container = soup.find("script", {"type": "application/ld+json"})
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if DEBUG:
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dump_to_file("album_data.json", data_container.text, is_json=True, exit_after_dump=False)
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data = json.loads(data_container.text)
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artist_data = data["byArtist"]
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album = Album(
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title=data["name"],
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source_list=[Source(self.SOURCE_TYPE, data.get("mainEntityOfPage", data["@id"]))],
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date=ID3Timestamp.strptime(data["datePublished"], "%d %b %Y %H:%M:%S %Z"),
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artist_list=[Artist(
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name=artist_data["name"],
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source_list=[Source(self.SOURCE_TYPE, artist_data["@id"])]
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)]
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)
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for i, track_json in enumerate(data.get("track", {}).get("itemListElement", [])):
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if DEBUG:
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dump_to_file(f"album_track_{i}.json", json.dumps(track_json), is_json=True, exit_after_dump=False)
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try:
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album.song_collection.append(self._parse_track_element(track_json))
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except KeyError:
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continue
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return album
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def _fetch_lyrics(self, soup: BeautifulSoup) -> List[Lyrics]:
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track_lyrics = soup.find("div", {"class": "lyricsText"})
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if track_lyrics:
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self.LOGGER.debug(" Lyrics retrieved..")
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return [Lyrics(FormattedText(
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html=track_lyrics.prettify()
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), pycountry.languages.get(alpha_2="en"))]
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return []
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def fetch_song(self, source: Source, stop_at_level: int = 1) -> Song:
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print(source)
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r = self.connection.get(source.url)
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if r is None:
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return Song()
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soup = self.get_soup_from_response(r)
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data_container = soup.find("script", {"type": "application/ld+json"})
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other_data = {}
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other_data_list = soup.select("script[data-tralbum]")
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if len(other_data_list) > 0:
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other_data = json.loads(other_data_list[0]["data-tralbum"])
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if DEBUG:
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dump_to_file("bandcamp_song_data.json", data_container.text, is_json=True, exit_after_dump=False)
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dump_to_file("bandcamp_song_data_other.json", json.dumps(other_data), is_json=True, exit_after_dump=False)
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dump_to_file("bandcamp_song_page.html", r.text, exit_after_dump=False)
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data = json.loads(data_container.text)
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album_data = data["inAlbum"]
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artist_data = data["byArtist"]
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mp3_url = None
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for key, value in other_data.get("trackinfo", [{}])[0].get("file", {"": None}).items():
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mp3_url = value
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song = Song(
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title=data["name"],
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source_list=[Source(self.SOURCE_TYPE, data.get("mainEntityOfPage", data["@id"]), adio_url=mp3_url)],
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album_list=[Album(
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title=album_data["name"],
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date=ID3Timestamp.strptime(data["datePublished"], "%d %b %Y %H:%M:%S %Z"),
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source_list=[Source(self.SOURCE_TYPE, album_data["@id"])]
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)],
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main_artist_list=[Artist(
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name=artist_data["name"],
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source_list=[Source(self.SOURCE_TYPE, artist_data["@id"])]
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)],
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lyrics_list=self._fetch_lyrics(soup=soup)
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)
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return song
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def download_song_to_target(self, source: Source, target: Target, desc: str = None) -> DownloadResult:
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if source.audio_url is None:
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return DownloadResult(error_message="Couldn't find download link.")
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return self.connection.stream_into(url=source.audio_url, target=target, description=desc)
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