136 lines
5 KiB
Python
136 lines
5 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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class TwitchClient:
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def __init__(self, token, freq=2):
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self.token = token
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self.lock = threading.Lock()
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self.header_v5 = {'Client-ID': self.token,
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'Accept': 'application/vnd.twitchtv.v5+json'}
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self.header_v6 = {'Client-ID': self.token}
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self.urlbase_v5 = 'https://api.twitch.tv/kraken'
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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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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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self.last_q = time.time()
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cherrypy.log('Request: OK')
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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 == 'v5':
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return self.header_v5, self.urlbase_v5
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elif 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(base+q, header)
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def raw_query_v5(self, q):
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"""
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Do a query with API v5
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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('v5')
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return self.do_q(base+q, header)
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def get_game_id(self, name):
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"""
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Getting game id
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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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return self.get_game_id_v5(name)
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def get_live_streams(self, name, lang):
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"""
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Getting list of livestreams
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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
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"""
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return self.get_live_streams_v5(name, lang)
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def get_game_id_v5(self, name):
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"""
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Getting game id with API v5
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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('v5')
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r = self.do_q('{}/search/games?query={}'.format(base, name), header)
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if r and r.get('games'):
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return r['games'][0]['_id'], r['games'][0]['name']
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return None, None
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def get_live_streams_v5(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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header, base = self.get_base('v5')
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init_q_template = '{}/streams/?game={}&language={}&limit={}&stream_type=live'
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q_template = '{}/streams/?game={}&language={}&limit={}&stream_type=live&offset={}'
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data = self.do_q(init_q_template.format(base, name, lang, 100), header)
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if data is None:
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return []
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total = data['_total']
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streams = len(data['streams'])
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while total > streams:
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r = self.do_q(q_template.format(base, name, lang, 100, streams), header)
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if r is None:
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return None
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data['streams'].extend(r['streams'])
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total = r['_total']
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streams = len(data['streams'])
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# Tweak for getting only live sterams
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data['streams'] = [x for x in data['streams'] if x['stream_type'] == 'live']
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data['_total'] = len(data['streams'])
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return data
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