Resolves #17
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234
lastfm_wrapper.py
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234
lastfm_wrapper.py
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#!/usr/bin/env python3.11
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from aiohttp import ClientSession, ClientTimeout
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import json
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import regex
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import traceback
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from constants import Constants
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from typing import Union, Any
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class LastFM:
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def __init__(self, noInit: Union[None, bool] = False):
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self.creds = Constants().LFM_CREDS
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self.api_base_url = "https://ws.audioscrobbler.com/2.0/?method="
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async def search_artist(self, artist=None):
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try:
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if artist is None:
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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 session.get(f"{self.api_base_url}artist.getinfo&artist={artist}&api_key={self.creds.get('key')}&autocorrect=1&format=json", timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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assert request.status in [200, 204]
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data = await request.json()
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data = data.get('artist')
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print(f"Using data:\n{data}")
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# return data.get('results')
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retObj = {
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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').get('summary').strip().split("<a href")[0]
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}
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return retObj
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except:
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print(traceback.format_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=None, track=None):
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try:
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if artist is None or track is None:
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print("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 session.get(f"{self.api_base_url}track.getInfo&api_key={self.creds.get('key')}&autocorrect=1&artist={artist}&track={track}&format=json", timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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assert request.status in [200, 204]
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data = await request.json()
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data = data.get('track')
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retObj = {
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'artist_mbid': data.get('artist').get('mbid'),
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'album': data.get('album').get('title')
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}
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print(f"Returning:\n{retObj}")
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return retObj
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except:
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print(traceback.format_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=None, album=None):
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try:
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if artist is None or album is None:
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print("inv request")
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return {
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'err': 'No artist or album specified'
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}
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tracks = await self.get_release(artist=artist, album=album)
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tracks = tracks.get('tracks')
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retObj = {
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'tracks': tracks
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}
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print(f"Returning:\n{retObj}")
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return retObj
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except:
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print(traceback.format_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=None):
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try:
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if artist is None:
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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 session.get(f"{self.api_base_url}artist.gettopalbums&artist={artist}&api_key={self.creds.get('key')}&autocorrect=1&format=json", timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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assert request.status in [200, 204]
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# return request.text
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data = await request.json()
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data = data.get('topalbums').get('album')
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# print(f"Data:\n{data}")
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retObj = [
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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 not(int(item.get('playcount')) < 50)
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]
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# # print(f"Keys: {data[0].keys()}")
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return retObj
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except:
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print(traceback.format_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=None):
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try:
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if artist is None:
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return {
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'err': 'No artist specified.'
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}
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artist_search = await self.search_artist(artist=artist)
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if artist_search is None or len(artist_search) < 1:
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print("[get_artist_id] Throwing no result error")
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return {
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'err': 'No results.'
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}
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artist_id = artist_search[0].get('id')
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return artist_id
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except:
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print(traceback.format_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_by_id(self, artist_id=None):
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try:
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if artist_id is None 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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async with ClientSession() as session:
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async with session.get(f"{self.api_base_url}artists/{artist_id}?key={self.creds.get('key')}&secret={self.creds.get('secret')}", timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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assert request.status in [200, 204]
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data = await request.json()
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retObj = {
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'id': data.get('id'),
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'name': data.get('name'),
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'profile': regex.sub(r"(\[(\/{0,})(u|b|i)])", "", data.get('profile')),
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'members': data.get('members')
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}
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return retObj
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except:
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print(traceback.format_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=None):
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try:
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if artist is None:
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return {
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'err': 'No artist specified.'
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}
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# artist_id = await self.get_artist_id(artist=artist)
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# if artist_id is None:
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# return {
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# 'err': Failed
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# }
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artist_info = await self.get_artist_info_by_id(artist_id=artist_id)
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if artist_info is None:
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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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print(traceback.format_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=None, album=None):
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try:
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if artist is None or album is None:
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return {
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'err': 'Invalid artist/album pair'
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}
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async with ClientSession() as session:
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async with session.get(f"{self.api_base_url}album.getinfo&artist={artist}&album={album}&api_key={self.creds.get('key')}&autocorrect=1&format=json", timeout=ClientTimeout(connect=3, sock_read=8)) as request:
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assert request.status in [200, 204]
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data = await request.json()
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data = data.get('album')
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retObj = {
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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').get('summary').split("<a href")[0] if "wiki" in data.keys() else "No summary available for this release.",
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}
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try:
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track_key = data.get('tracks').get('track')
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except: track_key = []
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if type(track_key) == list:
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print(f"Track key: {track_key}")
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retObj['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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retObj['tracks'] = [
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{
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'duration': data.get('tracks').get('track').get('duration'),
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'title': data.get('tracks').get('track').get('name')
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}
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]
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return retObj
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except:
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print(traceback.format_exc())
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return {
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'err': 'Failed'
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}
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