168 lines
6.6 KiB
Python
168 lines
6.6 KiB
Python
import cherrypy
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import requests
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import threading
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import time
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from oauthlib.oauth2 import BackendApplicationClient
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from requests_oauthlib import OAuth2Session
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from urllib.parse import quote
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class TwitchClient:
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def __init__(self, token, secret, freq=2):
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self.token = token
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self.lock = threading.Lock()
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self.header_v6 = {'Client-ID': self.token}
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self.urlbase_v6 = 'https://api.twitch.tv/helix'
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self.last_q = time.time()
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self.delay = 1 / freq
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# authentication
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self.oauth = ''
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self.oauth_token_url = 'https://id.twitch.tv/oauth2/token'
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self.auth_secret = secret
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oauth_clint = BackendApplicationClient(client_id=self.token)
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self.oauth_session = OAuth2Session(client=oauth_clint)
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self.update_oauth()
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def update_oauth(self):
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"""
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Update self.oauth token based on client id and secret.
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:return: nothing
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"""
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token = self.oauth_session.fetch_token(token_url=self.oauth_token_url,
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client_secret=self.auth_secret,
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include_client_id=True)
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self.oauth = token['access_token']
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def do_q_auth_v6(self, base, header):
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"""
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Do query with v6 authentication header and single retry.
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:param base: string with requesting URL
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:param header: dictionary of http headers
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:return: string with response or None
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"""
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result = self.do_q(base, header | {'Authorization': 'Bearer ' + self.oauth})
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if result is not None:
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return result
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self.update_oauth()
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return self.do_q(base, header | {'Authorization': 'Bearer ' + self.oauth})
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def do_q(self, base, header):
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"""
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Do query for twitch server
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:param base: string with requesting URL
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:param header: dictionary of http headers
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:return: string with response or None
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"""
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self.lock.acquire() # Lock for 1 at time query
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try:
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cherrypy.log('Request: %s' % base)
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delta = time.time() - self.last_q # Delta for correct query freq
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if delta < self.delay:
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time.sleep(delta) # Sleep remaining time
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r = requests.get(base, headers=header).json()
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error_message = r.get("error", "")
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if len(error_message) > 0:
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cherrypy.log('Request: fail with error "%s"' % error_message)
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r = None
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else:
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cherrypy.log('Request: OK')
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self.last_q = time.time()
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except requests.exceptions.RequestException as e:
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cherrypy.log('Request: FAIL')
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cherrypy.log('Error: {}'.format(e))
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r = None
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finally:
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self.lock.release() # Do not forget to release lock
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return r
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def get_base(self, ver):
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"""
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Get base which is depended on API version
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:param ver: string with API version ('v5' or 'v6')
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:return: tuple with list of headers and URL string
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:raises: value error on incorrect API version
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"""
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if ver == 'v6':
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return self.header_v6, self.urlbase_v6
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else:
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raise ValueError('Not supported API version')
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# - # - #
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def raw_query_v6(self, q):
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"""
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Do a query with API v6
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:param q: query string
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:return: string with get query result or None
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"""
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header, base = self.get_base('v6')
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return self.do_q_auth_v6(base + q, header)
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def get_game_id_v6(self, name):
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"""
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Getting game id with API v6
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:param name: string with the name of game
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:return: tuple of integer with game id and string with game name or (None,None)
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"""
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header, base = self.get_base('v6')
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r = self.do_q_auth_v6('{}/games?name={}'.format(base, name), header)
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if r and r.get('data'):
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return r['data'][0]['id'], r['data'][0]['name']
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def get_live_streams_v6(self, name, lang):
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"""
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Getting list of livestreams with API v5
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:param name: string with the name of game
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:param lang: string with the shortcut of language
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:return: list of all streams which are live with this format -
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https://dev.twitch.tv/docs/v5/reference/search/#search-streams
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"""
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result = {'_total': 0, 'streams': []}
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game_id = self.get_game_id_v6(quote(name))
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if game_id is None:
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return result
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header, base = self.get_base('v6')
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init_q_template = "{}/streams?language={}&first={}&game_id={}"
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q_template = "{}/streams?language={}&first={}&after={}&game_id={}"
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data = self.do_q_auth_v6(init_q_template.format(base, lang, 100, game_id[0]), header)
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result['streams'].extend(data['data'])
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while len(data.get('data', [])) > 0: # there must be non zero value, but search is kinda broken now
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result['streams'].extend(data['data'])
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data = self.do_q_auth_v6(q_template.format(base, lang, 100, data['pagination']['cursor'], game_id[0]), header)
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return self.unique_streams_v6(result)
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def get_irl_live_streams_v6(self, lang):
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header, base = self.get_base('v6')
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init_q_template = "{}/streams?language={}&first={}{}"
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q_template = "{}/streams?language={}&first={}&after={}{}"
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game_id = ''
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irl_ids = ["509660", "509673", "509667", "509669", "509670", "509658",
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"509672", "509671", "509664", "509663", "417752", "509659"]
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for irl_id in irl_ids:
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game_id += '&game_id={}'.format(irl_id)
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result = {'_total': 0, 'streams': []}
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data = self.do_q_auth_v6(init_q_template.format(base, lang, 100, game_id), header)
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result['streams'].extend(data['data'])
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while len(data.get('data', [])) > 0: # there must be non zero value, but search is kinda broken now
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result['streams'].extend(data['data'])
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data = self.do_q_auth_v6(q_template.format(base, lang, 100, data['pagination']['cursor'], game_id), header)
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return self.unique_streams_v6(result)
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def unique_streams_v6(self, result):
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uniq_streams = []
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streams = sorted(result['streams'], key=lambda k: k['viewer_count'])
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result['streams']=[]
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for s in streams:
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if s['user_name'] not in uniq_streams:
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uniq_streams.append(s['user_name'])
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result['streams'].append(s)
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result['_total'] = len(result['streams'])
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return result
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