129 lines
4.7 KiB
Python
129 lines
4.7 KiB
Python
import datetime
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import enum
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import logging
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import os
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import subprocess
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import requests
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import time
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HELIX_STREAM_URL = "https://api.twitch.tv/helix/streams?user_login={0}"
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logger = logging.getLogger(__name__)
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class TwitchStreamStatus(enum.Enum):
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ONLINE = 0
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OFFLINE = 1
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NOT_FOUND = 2
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UNAUTHORIZED = 3
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ERROR = 4
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class TwitchVideoRecorder:
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access_token = None
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def __init__(self, authenticator, streamer_name, output_path, quality="480p", on_finish=None):
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# global configuration
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self.disable_ffmpeg = False
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self.refresh_timeout = 15
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self.output_path = output_path
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self.stream_uid = None
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self.on_finish = on_finish
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# twitch configuration
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self.streamer_name = streamer_name
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self.quality = quality
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self.authenticator = authenticator
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def run(self):
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# path to recorded stream
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recording_path = os.path.join(self.output_path, "recorded", self.streamer_name)
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# create directory for recordedPath and processedPath if not exist
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if os.path.isdir(recording_path) is False:
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os.makedirs(recording_path)
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# make sure the interval to check user availability is not less than 15 seconds
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if self.refresh_timeout < 15:
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logger.warning("check interval should not be lower than 15 seconds")
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self.refresh_timeout = 15
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logger.warning("check interval set to 15 seconds")
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self.loop_check(recording_path)
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def loop_check(self, recording_path):
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logger.info("checking for %s every %s seconds, recording with %s quality",
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self.streamer_name, self.refresh_timeout, self.quality)
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while True:
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status, info = self.check_user()
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if status == TwitchStreamStatus.NOT_FOUND:
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logger.error("streamer_name not found, invalid streamer_name or typo")
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time.sleep(self.refresh_timeout)
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elif status == TwitchStreamStatus.ERROR:
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logger.error("%s unexpected error. will try again in 5 minutes",
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datetime.datetime.now().strftime("%Hh%Mm%Ss"))
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time.sleep(300)
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elif status == TwitchStreamStatus.OFFLINE:
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logger.info("%s currently offline, checking again in %s seconds", self.streamer_name,
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self.refresh_timeout)
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time.sleep(self.refresh_timeout)
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elif status == TwitchStreamStatus.UNAUTHORIZED:
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logger.info("unauthorized, will attempt to log back in immediately")
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self.access_token = self.authenticator.refresh_token()
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elif status == TwitchStreamStatus.ONLINE:
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logger.info("%s online, stream recording in session", self.streamer_name)
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channels = info["data"]
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channel = next(iter(channels), None)
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recorded_filename = self.record_stream(channel, recording_path)
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logger.info("recording stream is done")
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if self.on_finish is not None:
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self.on_finish(channel, recorded_filename)
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time.sleep(self.refresh_timeout)
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# TODO use twitch library instead of pure requests
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def check_user(self):
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info = None
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status = TwitchStreamStatus.ERROR
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try:
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headers = {"Client-ID": self.authenticator.client_id,
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"Authorization": "Bearer {}".format(self.authenticator.get_token())}
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r = requests.get(HELIX_STREAM_URL.format(self.streamer_name), headers=headers, timeout=15)
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r.raise_for_status()
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info = r.json()
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if info is None or not info["data"]:
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status = TwitchStreamStatus.OFFLINE
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else:
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status = TwitchStreamStatus.ONLINE
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except requests.exceptions.RequestException as e:
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if e.response:
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if e.response.status_code == 401:
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status = TwitchStreamStatus.UNAUTHORIZED
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if e.response.status_code == 404:
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status = TwitchStreamStatus.NOT_FOUND
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return status, info
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def record_stream(self, channel, recording_path):
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filename = self.streamer_name + " - " + datetime.datetime.now() \
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.strftime("%Y-%m-%d %Hh%Mm%Ss") + " - " + channel.get("title") + ".mp4"
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filename = "".join(x for x in filename if x.isalnum() or x in [" ", "-", "_", "."])
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recorded_filename = os.path.join(recording_path, filename)
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# start streamlink process
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subprocess.call([
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"streamlink",
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"--twitch-disable-ads",
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"twitch.tv/" + self.streamer_name,
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self.quality,
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"-o",
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recorded_filename
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])
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return recorded_filename
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