cleanup
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295
utils/lastfm_wrapper.py
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295
utils/lastfm_wrapper.py
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@ -0,0 +1,295 @@
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import traceback
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import logging
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from typing import Optional, Union
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import regex
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from aiohttp import ClientSession, ClientTimeout
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from constants import Constants
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from .constructors import InvalidLastFMResponseException
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class LastFM:
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"""LastFM Endpoints"""
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def __init__(self,
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noInit: Optional[bool] = False) -> None:
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self.creds = Constants().LFM_CREDS
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self.api_base_url: str = "https://ws.audioscrobbler.com/2.0/?method="
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async def search_artist(self, artist: Optional[str] = None) -> dict:
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"""Search LastFM for an artist"""
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try:
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if not artist:
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return {
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'err': 'No artist specified.',
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}
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async with ClientSession() as session:
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async with await session.get(f"{self.api_base_url}artist.getinfo&artist={artist}&api_key={self.creds.get('key')}&autocorrect=1&format=json",
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timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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request.raise_for_status()
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data: dict = await request.json()
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data = data.get('artist', 'N/A')
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ret_obj: dict = {
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'id': data.get('mbid'),
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'touring': data.get('ontour'),
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'name': data.get('name'),
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'bio': data.get('bio', None).get('summary').strip()\
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.split("<a href")[0],
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}
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return ret_obj
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except:
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traceback.print_exc()
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return {
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'err': 'Failed',
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}
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async def get_track_info(self, artist: Optional[str] = None,
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track: Optional[str] = None) -> Optional[dict]:
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"""
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Get Track Info from LastFM
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Args:
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artist (Optional[str])
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track (Optional[str])
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Returns:
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dict
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"""
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try:
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if not artist or not track:
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logging.info("inv request")
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return {
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'err': 'Invalid/No artist or track specified',
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}
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async with ClientSession() as session:
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async with await session.get(f"{self.api_base_url}track.getInfo&api_key={self.creds.get('key')}&autocorrect=1&artist={artist}&track={track}&format=json",
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timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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request.raise_for_status()
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data: dict = await request.json()
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data = data.get('track', None)
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if not isinstance(data.get('artist'), dict):
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return None
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ret_obj: dict = {
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'artist_mbid': data.get('artist', None).get('mbid'),
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'album': data.get('album', None).get('title'),
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}
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return ret_obj
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except:
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traceback.print_exc()
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return {
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'err': 'General Failure',
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}
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async def get_album_tracklist(self, artist: Optional[str] = None,
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album: Optional[str] = None) -> dict:
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"""
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Get Album Tracklist
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Args:
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artist (str)
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album (str)
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Returns:
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dict
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"""
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try:
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if not artist or not album:
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return {
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'err': 'No artist or album specified',
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}
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tracks: dict = await self.get_release(artist=artist, album=album)
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tracks = tracks.get('tracks', None)
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ret_obj: dict = {
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'tracks': tracks,
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}
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return ret_obj
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except:
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traceback.print_exc()
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return {
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'err': 'General Failure',
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}
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async def get_artist_albums(self, artist: Optional[str] = None) -> Union[dict, list[dict]]:
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"""
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Get Artists Albums from LastFM
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Args:
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artist (Optional[str])
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Returns:
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Union[dict, list[dict]]
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"""
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try:
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if not artist:
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return {
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'err': 'No artist specified.',
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}
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async with ClientSession() as session:
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async with await session.get(f"{self.api_base_url}artist.gettopalbums&artist={artist}&api_key={self.creds.get('key')}&autocorrect=1&format=json",
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timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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request.raise_for_status()
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json_data: dict = await request.json()
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data: dict = json_data.get('topalbums', None).get('album')
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ret_obj: list = [
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{
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'title': item.get('name')
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} for item in data if not(item.get('name').lower() == "(null)") and int(item.get('playcount')) >= 50
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]
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return ret_obj
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except:
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traceback.print_exc()
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return {
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'err': 'Failed',
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}
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async def get_artist_id(self, artist: Optional[str] = None) -> int:
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"""
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Get Artist ID from LastFM
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Args:
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artist (Optional[str])
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Returns:
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int
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"""
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try:
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if not artist:
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return -1
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artist_search: dict = await self.search_artist(artist=artist)
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if not artist_search:
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logging.debug("[get_artist_id] Throwing no result error")
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return -1
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artist_id: int = int(artist_search[0].get('id', 0))
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return artist_id
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except:
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traceback.print_exc()
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return -1
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async def get_artist_info_by_id(self, artist_id: Optional[int] = None) -> dict:
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"""
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Get Artist info by ID from LastFM
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Args:
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artist_id (Optional[int])
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Returns:
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dict
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"""
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try:
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if not artist_id or not str(artist_id).isnumeric():
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return {
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'err': 'Invalid/no artist_id specified.',
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}
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req_url: str = f"{self.api_base_url}artists/{artist_id}?key={self.creds.get('key')}\
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&secret={self.creds.get('secret')}"
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async with ClientSession() as session:
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async with await session.get(req_url,
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timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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request.raise_for_status()
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data: dict = await request.json()
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if not data.get('profile'):
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raise InvalidLastFMResponseException("Data did not contain 'profile' key.")
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_id: int = data.get('id', None)
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name: str = data.get('name', None)
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profile: str = data.get('profile', '')
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profile = regex.sub(r"(\[(\/{0,})(u|b|i)])", "", profile)
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members: list = data.get('members', None)
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ret_obj: dict = {
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'id': _id,
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'name': name,
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'profile': profile,
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'members': members,
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}
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return ret_obj
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except:
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traceback.print_exc()
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return {
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'err': 'Failed',
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}
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async def get_artist_info(self, artist: Optional[str] = None) -> dict:
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"""
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Get Artist Info from LastFM
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Args:
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artist (Optional[str])
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Returns:
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dict
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"""
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try:
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if not artist:
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return {
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'err': 'No artist specified.',
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}
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artist_id: Optional[int] = await self.get_artist_id(artist=artist)
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if not artist_id:
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return {
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'err': 'Failed',
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}
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artist_info: Optional[dict] = await self.get_artist_info_by_id(artist_id=artist_id)
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if not artist_info:
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return {
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'err': 'Failed',
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}
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return artist_info
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except:
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traceback.print_exc()
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return {
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'err': 'Failed',
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}
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async def get_release(self, artist: Optional[str] = None,
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album: Optional[str] = None) -> dict:
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"""
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Get Release info from LastFM
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Args:
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artist (Optional[str])
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album (Optioanl[str])
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Returns:
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dict
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"""
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try:
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if not artist or not album:
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return {
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'err': 'Invalid artist/album pair',
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}
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req_url: str = f"{self.api_base_url}album.getinfo&artist={artist}&album={album}\
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&api_key={self.creds.get('key')}&autocorrect=1&format=json"
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async with ClientSession() as session:
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async with await session.get(req_url,
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timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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request.raise_for_status()
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json_data: dict = await request.json()
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data: dict = json_data.get('album', None)
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ret_obj: dict = {
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'id': data.get('mbid'),
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'artists': data.get('artist'),
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'tags': data.get('tags'),
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'title': data.get('name'),
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'summary': data.get('wiki', None).get('summary').split("<a href")[0]\
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if "wiki" in data.keys()\
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else "No summary available for this release.",
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}
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try:
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track_key: list = data.get('tracks', None).get('track')
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except:
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track_key = []
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if isinstance(track_key, list):
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ret_obj['tracks'] = [
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{
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'duration': item.get('duration', 'N/A'),
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'title': item.get('name'),
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} for item in track_key]
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else:
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ret_obj['tracks'] = [
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{
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'duration': data.get('tracks').get('track')\
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.get('duration'),
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'title': data.get('tracks').get('track')\
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.get('name'),
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}
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]
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return ret_obj
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except:
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traceback.print_exc()
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return {
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'err': 'Failed',
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}
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