#!/usr/bin/env python3
"""Helper command for rtl_433 to visualize a sample file in a web browser."""
from http.server import BaseHTTPRequestHandler, HTTPServer
import sys
import subprocess
import webbrowser
hostName = "localhost"
serverPort = 8080
def parseToPulseData(filename):
ret = subprocess.run(["rtl_433", "-F", "null", "-w", "OOK:-", filename], capture_output=True)
return ret.stdout
class PulseServer(BaseHTTPRequestHandler):
def do_GET(self):
global pulsedata
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(bytes("""
I/Q Spectrogram & Pulsedata
""", "utf-8"))
if __name__ == "__main__":
if len(sys.argv) != 2:
print("Usage:\n%s FILENAME.cu8" % (sys.argv[0]))
exit(1)
filename = sys.argv[1]
pulsedata = parseToPulseData(filename)
while serverPort < 65536:
try:
webServer = HTTPServer((hostName, serverPort), PulseServer)
break;
except OSError as e:
if e.errno != 48 or serverPort >= 65535:
raise
serverPort += 1 # Address already in use
print("If the browser doesn't open go to http://%s:%s" % (hostName, serverPort))
try:
webbrowser.open("http://%s:%s/" % (hostName, serverPort))
webServer.handle_request() # once
except KeyboardInterrupt:
pass
webServer.server_close()
print("done.")