bragi/media/radio.py

70 lines
2.4 KiB
Python

import re
import logging
import json
import http.client
import struct
import requests
import traceback
log = logging.getLogger("bot")
def get_radio_server_description(url):
global log
p = re.compile('(https?\:\/\/[^\/]*)', re.IGNORECASE)
res = re.search(p, url)
base_url = res.group(1)
url_icecast = base_url + '/status-json.xsl'
url_shoutcast = base_url + '/stats?json=1'
title_server = None
try:
r = requests.get(url_shoutcast, timeout=5)
data = r.json()
title_server = data['servertitle']
return title_server
# logging.info("TITLE FOUND SHOUTCAST: " + title_server)
except (requests.exceptions.ConnectionError, requests.exceptions.HTTPError, requests.exceptions.Timeout) as e:
error_traceback = traceback.format_exc()
error = error_traceback.rstrip().split("\n")[-1]
log.debug("radio: unsuccessful attempts on fetching radio description (shoutcast): " + error)
except ValueError:
return False # ?
try:
r = requests.get(url_icecast, timeout=5)
data = r.json()
source = data['icestats']['source']
if type(source) is list:
source = source[0]
title_server = source['server_name']
if 'server_description' in source:
title_server += ' - ' + source['server_description']
# logging.info("TITLE FOUND ICECAST: " + title_server)
return title_server
except (requests.exceptions.ConnectionError, requests.exceptions.HTTPError, requests.exceptions.Timeout) as e:
error_traceback = traceback.format_exc()
error = error_traceback.rstrip().split("\n")[-1]
log.debug("radio: unsuccessful attempts on fetching radio description (icecast): " + error)
return url
def get_radio_title(url):
try:
r = requests.get(url, headers={'Icy-MetaData': '1'}, stream=True, timeout=5)
icy_metaint_header = int(r.headers['icy-metaint'])
r.raw.read(icy_metaint_header)
metadata_length = struct.unpack('B', r.raw.read(1))[0] * 16 # length byte
metadata = r.raw.read(metadata_length).rstrip(b'\0')
logging.info(metadata)
# extract title from the metadata
m = re.search(br"StreamTitle='([^']*)';", metadata)
if m:
title = m.group(1)
if title:
return title.decode()
except (requests.exceptions.ConnectionError, requests.exceptions.HTTPError) as e:
pass
return url