Files
tvheadend/tvhProxy/tvhProxy.py
2023-03-28 22:47:27 +02:00

328 lines
13 KiB
Python

from gevent import monkey
monkey.patch_all()
import json
from dotenv import load_dotenv
from ssdp import SSDPServer
from flask import Flask, Response, request, jsonify, abort, render_template
from gevent.pywsgi import WSGIServer
import xml.etree.ElementTree as ElementTree
from datetime import timedelta, datetime, time
import logging
import socket
import threading
from requests.auth import HTTPDigestAuth
import requests
import os
import sched
logging.basicConfig(level=logging.INFO)
load_dotenv(verbose=True)
app = Flask(__name__)
scheduler = sched.scheduler()
logger = logging.getLogger()
host_name = socket.gethostname()
host_ip = socket.gethostbyname(host_name)
# URL format: <protocol>://<username>:<password>@<hostname>:<port>, example: https://test:1234@localhost:9981
config = {
'deviceID': os.environ.get('DEVICE_ID') or '12345678',
'bindAddr': os.environ.get('TVH_BINDADDR') or '',
# only used if set (in case of forward-proxy)
'tvhURL': os.environ.get('TVH_URL') or 'http://localhost:9981',
'tvhProxyURL': os.environ.get('TVH_PROXY_URL'),
'tvhProxyHost': os.environ.get('TVH_PROXY_HOST') or host_ip,
'tvhProxyPort': os.environ.get('TVH_PROXY_PORT') or 5004,
'tvhUser': os.environ.get('TVH_USER') or '',
'tvhPassword': os.environ.get('TVH_PASSWORD') or '',
# number of tuners in tvh
'tunerCount': os.environ.get('TVH_TUNER_COUNT') or 6,
'tvhWeight': os.environ.get('TVH_WEIGHT') or 300, # subscription priority
# usually you don't need to edit this
'chunkSize': os.environ.get('TVH_CHUNK_SIZE') or 1024*1024,
# specifiy a stream profile that you want to use for adhoc transcoding in tvh, e.g. mp4
'streamProfile': os.environ.get('TVH_PROFILE') or 'pass'
}
discoverData = {
'FriendlyName': 'tvhProxy',
'Manufacturer': 'Silicondust',
'ModelNumber': 'HDTC-2US',
'FirmwareName': 'hdhomeruntc_atsc',
'TunerCount': int(config['tunerCount']),
'FirmwareVersion': '20150826',
'DeviceID': config['deviceID'],
'DeviceAuth': 'test1234',
'BaseURL': '%s' % (config['tvhProxyURL'] or "http://" + config['tvhProxyHost'] + ":" + str(config['tvhProxyPort'])),
'LineupURL': '%s/lineup.json' % (config['tvhProxyURL'] or "http://" + config['tvhProxyHost'] + ":" + str(config['tvhProxyPort']))
}
@app.route('/discover.json')
def discover():
return jsonify(discoverData)
@app.route('/lineup_status.json')
def status():
return jsonify({
'ScanInProgress': 0,
'ScanPossible': 0,
'Source': "Cable",
'SourceList': ['Cable']
})
@app.route('/lineup.json')
def lineup():
lineup = []
for c in _get_channels():
if c['enabled']:
url = '%s/stream/channel/%s?profile=%s&weight=%s' % (
config['tvhURL'], c['uuid'], config['streamProfile'], int(config['tvhWeight']))
lineup.append({'GuideNumber': str(c['number']),
'GuideName': c['name'],
'URL': url
})
return jsonify(lineup)
@app.route('/lineup.post', methods=['GET', 'POST'])
def lineup_post():
return ''
@app.route('/')
@app.route('/device.xml')
def device():
return render_template('device.xml', data=discoverData), {'Content-Type': 'application/xml'}
@app.route('/epg.xml')
def epg():
return _get_xmltv(), {'Content-Type': 'application/xml'}
def _get_channels():
url = '%s/api/channel/grid' % config['tvhURL']
params = {
'limit': 999999,
'start': 0
}
try:
r = requests.get(url, params=params, auth=HTTPDigestAuth(
config['tvhUser'], config['tvhPassword']))
return r.json(strict=False)['entries']
except Exception as e:
logger.error('An error occured: %s' + repr(e))
def _get_genres():
def _findMainCategory(majorCategories, minorCategory):
prevKey, currentKey = None, None
for currentKey in sorted(majorCategories.keys()):
if(currentKey > minorCategory):
return majorCategories[prevKey]
prevKey = currentKey
return majorCategories[prevKey]
url = '%s/api/epg/content_type/list' % config['tvhURL']
params = {'full': 1}
try:
r = requests.get(url, auth=HTTPDigestAuth(
config['tvhUser'], config['tvhPassword']))
entries = r.json(strict=False)['entries']
r = requests.get(url, params=params, auth=HTTPDigestAuth(
config['tvhUser'], config['tvhPassword']))
entries_full = r.json(strict=False)['entries']
majorCategories = {}
genres = {}
for entry in entries:
majorCategories[entry['key']] = entry['val']
for entry in entries_full:
if not entry['key'] in majorCategories:
mainCategory = _findMainCategory(majorCategories, entry['key'])
if(mainCategory != entry['val']):
genres[entry['key']] = [mainCategory, entry['val']]
else:
genres[entry['key']] = [entry['val']]
else:
genres[entry['key']] = [entry['val']]
return genres
except Exception as e:
logger.error('An error occured: %s' + repr(e))
def _get_xmltv():
try:
url = '%s/xmltv/channels' % config['tvhURL']
r = requests.get(url, auth=HTTPDigestAuth(
config['tvhUser'], config['tvhPassword']))
logger.info('downloading xmltv from %s', r.url)
tree = ElementTree.ElementTree(
ElementTree.fromstring(requests.get(url, auth=HTTPDigestAuth(config['tvhUser'], config['tvhPassword'])).content))
root = tree.getroot()
url = '%s/api/epg/events/grid' % config['tvhURL']
params = {
'limit': 999999,
'filter': json.dumps([
{
"field": "start",
"type": "numeric",
"value": int(round(datetime.timestamp(datetime.now() + timedelta(hours=72)))),
"comparison": "lt"
}
])
}
r = requests.get(url, params=params, auth=HTTPDigestAuth(
config['tvhUser'], config['tvhPassword']))
logger.info('downloading epg grid from %s', r.url)
epg_events_grid = r.json(strict=False)['entries']
epg_events = {}
event_keys = {}
for epg_event in epg_events_grid:
if epg_event['channelUuid'] not in epg_events:
epg_events[epg_event['channelUuid']] = {}
epg_events[epg_event['channelUuid']
][epg_event['start']] = epg_event
for key in epg_event.keys():
event_keys[key] = True
channelNumberMapping = {}
channelsInEPG = {}
genres = _get_genres()
for child in root:
if child.tag == 'channel':
channelId = child.attrib['id']
channelNo = child[1].text
if not channelNo:
logger.error("No channel number for: %s", channelId)
channelNo = "00"
if not child[0].text:
logger.error("No channel name for: %s", channelNo)
child[0].text = "No Name"
channelNumberMapping[channelId] = channelNo
if channelNo in channelsInEPG:
logger.error("duplicate channelNo: %s", channelNo)
channelsInEPG[channelNo] = False
channelName = ElementTree.Element('display-name')
channelName.text = str(channelNo) + " " + child[0].text
child.insert(0, channelName)
for icon in child.iter('icon'):
# check if icon exists (tvh always returns an URL even if there is no channel icon)
iconUrl = icon.attrib['src']
r = requests.head(iconUrl)
if r.status_code == requests.codes.ok:
icon.attrib['src'] = iconUrl
else:
logger.error("remove icon: %s", iconUrl)
child.remove(icon)
child.attrib['id'] = channelNo
if child.tag == 'programme':
channelUuid = child.attrib['channel']
channelNumber = channelNumberMapping[channelUuid]
channelsInEPG[channelNumber] = True
child.attrib['channel'] = channelNumber
start_datetime = datetime.strptime(
child.attrib['start'], "%Y%m%d%H%M%S %z").astimezone(tz=None).replace(tzinfo=None)
stop_datetime = datetime.strptime(
child.attrib['stop'], "%Y%m%d%H%M%S %z").astimezone(tz=None).replace(tzinfo=None)
if start_datetime >= datetime.now() + timedelta(hours=72):
# Plex doesn't like extremely large XML files, we'll remove the details from entries more than 72h in the future
# Fixed w/ plex server 1.19.2.2673
# for desc in child.iter('desc'):
# child.remove(desc)
pass
elif stop_datetime > datetime.now() and start_datetime < datetime.now() + timedelta(hours=72):
# add extra details for programs in the next 72hs
start_timestamp = int(
round(datetime.timestamp(start_datetime)))
epg_event = epg_events[channelUuid][start_timestamp]
if ('image' in epg_event):
programmeImage = ElementTree.SubElement(child, 'icon')
imageUrl = str(epg_event['image'])
if(imageUrl.startswith('imagecache')):
imageUrl = config['tvhURL'] + \
"/" + imageUrl + ".png"
programmeImage.attrib['src'] = imageUrl
if ('genre' in epg_event):
for genreId in epg_event['genre']:
for category in genres[genreId]:
programmeCategory = ElementTree.SubElement(
child, 'category')
programmeCategory.text = category
if ('episodeOnscreen' in epg_event):
episodeNum = ElementTree.SubElement(
child, 'episode-num')
episodeNum.attrib['system'] = 'onscreen'
episodeNum.text = epg_event['episodeOnscreen']
if('hd' in epg_event):
video = ElementTree.SubElement(child, 'video')
quality = ElementTree.SubElement(video, 'quality')
quality.text = "HDTV"
if('new' in epg_event):
ElementTree.SubElement(child, 'new')
else:
ElementTree.SubElement(child, 'previously-shown')
if('copyright_year' in epg_event):
date = ElementTree.SubElement(child, 'date')
date.text = str(epg_event['copyright_year'])
del epg_events[channelUuid][start_timestamp]
for key in sorted(channelsInEPG):
if channelsInEPG[key]:
logger.debug("Programmes found for channel %s", key)
else:
channelName = root.find(
'channel[@id="'+key+'"]/display-name').text
logger.error("No programme for channel %s: %s",
key, channelName)
# create 2h programmes for 72 hours
yesterday_midnight = datetime.combine(
datetime.today(), time.min) - timedelta(days=1)
date_format = '%Y%m%d%H%M%S'
for x in range(0, 36):
dummyProgramme = ElementTree.SubElement(root, 'programme')
dummyProgramme.attrib['channel'] = str(key)
dummyProgramme.attrib['start'] = (
yesterday_midnight + timedelta(hours=x*2)).strftime(date_format)
dummyProgramme.attrib['stop'] = (
yesterday_midnight + timedelta(hours=(x*2)+2)).strftime(date_format)
dummyTitle = ElementTree.SubElement(
dummyProgramme, 'title')
dummyTitle.attrib['lang'] = 'eng'
dummyTitle.text = channelName
dummyDesc = ElementTree.SubElement(dummyProgramme, 'desc')
dummyDesc.attrib['lang'] = 'eng'
dummyDesc.text = "No programming information"
logger.info("returning epg")
return ElementTree.tostring(root)
except requests.exceptions.RequestException as e: # This is the correct syntax
logger.error('An error occured: ' + repr(e))
raise e
def _start_ssdp():
ssdp = SSDPServer()
thread_ssdp = threading.Thread(target=ssdp.run, args=())
thread_ssdp.daemon = True # Daemonize thread
thread_ssdp.start()
ssdp.register('local',
'uuid:{}::upnp:rootdevice'.format(discoverData['DeviceID']),
'upnp:rootdevice',
'http://{}:{}/device.xml'.format(
config['tvhProxyHost'], config['tvhProxyPort']),
'SSDP Server for tvhProxy')
if __name__ == '__main__':
http = WSGIServer((config['bindAddr'], int(config['tvhProxyPort'])),
app.wsgi_app, log=logger, error_log=logger)
_start_ssdp()
http.serve_forever()