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python icecast source streamer
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# -*- coding: utf-8 -*- | |
# Inspired by https://github.com/turlando/airhead/blob/master/airhead/broadcaster.py | |
import click | |
import os | |
import shouty | |
import sys | |
import logging | |
logger = logging.getLogger('[broadcaster]') | |
class Broadcaster(object): | |
def __init__(self, conf, playlist, mount, loop=True): | |
self._playlist = self._load_playlist(playlist) | |
self.current_playlist = self._playlist[:] | |
self._loop = loop | |
self._mount = mount | |
self._params = { | |
'format': shouty.Format.MP3, | |
'mount': '/' + mount, | |
'audio_info': { | |
'samplerate': '44100', | |
'channels': '2', | |
'quality': '6' | |
} | |
} | |
self._params.update(conf) | |
def _load_playlist(self, playlist): | |
with open(playlist, 'r') as fd: | |
return [x.strip() for x in fd.readlines() if x.strip()] | |
def _send_file(self, connection, file_name): | |
with open(file_name, 'rb') as f: | |
while True: | |
chunk = f.read(4096) | |
if not chunk: | |
break | |
connection.send(chunk) | |
connection.sync() | |
def run(self): | |
with shouty.connect(**self._params) as connection: | |
while True: | |
try: | |
filepath = self.current_playlist.pop() | |
except IndexError: | |
logger.info('Playlist finished...') | |
if self._loop: | |
self.current_playlist = self._playlist[:] | |
continue | |
break | |
else: | |
logger.info('Sending {}'.format(filepath)) | |
self._send_file(connection, str(filepath)) | |
CONF = { | |
'user': 'source' | |
} | |
VARS = ( | |
('ICECAST_HOST', 'host'), | |
('ICECAST_PORT', 'port'), | |
('ICECAST_SOURCE_PASSWORD', 'password'), | |
) | |
def load_conf(): | |
conf = CONF.copy() | |
for k, v in VARS: | |
conf[v] = os.getenv(k) | |
if v == 'port': | |
conf[v] = int(conf[v]) | |
if not conf[v]: | |
logger.error('{} MISSING'.format(k)) | |
sys.exit(0) | |
return conf | |
@click.command() | |
@click.option('--playlist') | |
@click.option('--mount') | |
def stream_it(playlist, mount): | |
conf = load_conf() | |
bc = Broadcaster(conf, playlist, mount) | |
bc.run() | |
if __name__ == '__main__': | |
stream_it() |
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