old_contents: # coding: utf-8
  
  import json
  import requests
  
  class VkAudio(object):
  
  	def __init__(self, token):
  		self.session = requests.session()
  		self.session.params = {'access_token': token, }
  
  	def _get(self, url, *args, **kwargs):
  		return self.session.get(url, *args, **kwargs)
  		
  	def get_by_url(self, url):
  		name = url.split("/")[-1]
  		user_res = self._get("https://api.vk.com/method/user.get", 
  		                     params={"user_ids": name, "fields": "id",}).json()
  		if 'error' not in user_res:
  			return self.get_user_audio(user_res['response'][0]['id'])
  		group_res = self._get("https://api.vk.com/method/groups.getById", 
  		                     params={"group_ids": name, "fields": "id",}).json()
  		if 'error' not in group_res:
  			return self.get_group_audio(group_res['response'][0]['id'])
  		return []
  
  	def get_user_audio(self, user_id):
  		response = self._get("https://api.vk.com/method/audio.get", 
  		                     params={"owner_id": user_id,
  		                             "need_user": 0,})
  		result = []
  		try:
  			data = response.json()['response']['items']
  		except:
  			return result
  		for song in data:
  			result.append({'artist': song['artist'],
  			               'title': song['title'],
  			               'url': song['url'],})
  		return result
  
  	def get_group_audio(self, user_id):
  		response = self._get("https://api.vk.com/method/audio.get", 
  		                     params={"owner_id": "-" + str(user_id),
  		                             "need_user": 0,})
  		result = []
  		try:
  			data = response.json()['response']['items']
  		except:
  			return result
  		for song in data:
  			result.append({'artist': song['artist'],
  			               'title': song['title'],
  			               'url',: song['url'],})
  		return result
  		
  
new_contents: # coding: utf-8
  
  import json
  import requests
  
  class VkAudio(object):
  
  	def __init__(self, token):
  		self.session = requests.session()
  		self.session.params = {'access_token': token, }
  
  	def _get(self, url, *args, **kwargs):
  		return self.session.get(url, *args, **kwargs)
  		
  	def get_by_url(self, url):
  		name = url.split("/")[-1]
  		user_res = self._get("https://api.vk.com/method/user.get", 
  		                     params={"user_ids": name, "fields": "id",}).json()
  		if 'error' not in user_res:
  			return self.get_user_audio(user_res['response'][0]['id'])
  		group_res = self._get("https://api.vk.com/method/groups.getById", 
  		                     params={"group_ids": name, "fields": "id",}).json()
  		if 'error' not in group_res:
  			return self.get_group_audio(group_res['response'][0]['id'])
  		return []
  
  	def get_user_audio(self, user_id):
  		response = self._get("https://api.vk.com/method/audio.get", 
  		                     params={"owner_id": user_id,
  		                             "need_user": 0,})
  		result = []
  		try:
  			data = response.json()['response']['items']
  		except:
  			return result
  		for song in data:
  			result.append({'artist': song['artist'],
  			               'title': song['title'],
  			               'url': song['url'],})
  		return result
  
  	def get_group_audio(self, user_id):
  		response = self._get("https://api.vk.com/method/audio.get", 
  		                     params={"owner_id": "-" + str(user_id),
  		                             "need_user": 0,})
  		result = []
  		try:
  			data = response.json()['response']['items']
  		except:
  			return result
  		for song in data:
  			result.append({'artist': song['artist'],
  			               'title': song['title'],
  			               'url': song['url'],})
  		return result
  		
  
subject: Update vkaudio.py