95 lines
2.8 KiB
Python
Executable File
95 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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""" Simple tool to detect SAT>IP devices as JSON.
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"""
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import json
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import socket
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import sys
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import xml.etree.ElementTree as ET
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import requests
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SSDP_BIND = '0.0.0.0'
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SSDP_ADDR = '239.255.255.250'
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SSDP_PORT = 1900
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SSDP_MX = 1
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SSDP_ST = 'urn:ses-com:device:SatIPServer:1'
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SSDP_REQUEST = 'M-SEARCH * HTTP/1.1\r\n' + \
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'HOST: %s:%d\r\n' % (SSDP_ADDR, SSDP_PORT) + \
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'MAN: "ssdp:discover"\r\n' + \
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'MX: %d\r\n' % (SSDP_MX, ) + \
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'ST: %s\r\n' % (SSDP_ST, ) + \
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'\r\n'
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def parse_satip_xml(data):
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""" Parse SAT>IP XML data.
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Args:
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data (str): XML input data..
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Returns:
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dict: Parsed SAT>IP device name and frontend information.
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"""
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result = {'name': '', 'frontends': {}}
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if data:
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root = ET.fromstring(data)
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name = root.find('.//*/{urn:schemas-upnp-org:device-1-0}friendlyName')
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result['name'] = name.text
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satipcap = root.find('.//*/{urn:ses-com:satip}X_SATIPCAP')
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if satipcap is None:
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# fallback for non-standard Panasonic
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satipcap = root.find('.//*/{urn-ses-com:satip}X_SATIPCAP')
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caps = {}
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for system in satipcap.text.split(","):
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cap = system.split("-")
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if cap:
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count = int(cap[1])
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if cap[0] in caps:
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count = count + caps[cap[0]]
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caps[cap[0]] = count
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result['frontends'] = caps
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return result
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def detect_satip_devices():
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""" Detect available SAT>IP devices by sending a broadcast message.
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Returns:
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list: Found SAT>IP devices.
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"""
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urls = []
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devices = []
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.setblocking(0)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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try:
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
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except BaseException:
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pass
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sock.settimeout(1)
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sock.bind((SSDP_BIND, SSDP_PORT))
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sock.sendto(SSDP_REQUEST, (SSDP_ADDR, SSDP_PORT))
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try:
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while 1:
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data = sock.recv(1024)
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if data:
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for row in data.split('\r\n'):
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if 'LOCATION:' in row:
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url = row.replace('LOCATION:', '').strip()
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if url in urls:
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continue
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urls.append(url)
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info = requests.get(url, timeout=2)
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devices.append(parse_satip_xml(info.text))
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else:
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break
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except BaseException:
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pass
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sock.close()
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return devices
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if __name__ == '__main__':
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json.dump(detect_satip_devices(), fp=sys.stdout, sort_keys=True, indent=2)
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