brozzler/umbra/umbra.py
2014-01-21 06:41:46 +00:00

67 lines
2.3 KiB
Python
Executable File

#!/usr/bin/env python
from json import dumps, loads
import os,sys,argparse, urllib2
import websocket
import thread
import time
def on_message(ws, message):
message = loads(message)
if "method" in message.keys() and message["method"] == "Network.requestWillBeSent":
print message
def on_error(ws, error):
print error
def on_close(ws):
print "### closed ###"
def on_open(ws):
cmd = {}
cmd['id'] = 1001
cmd['method'] = "Network.enable"
ws.send(dumps(cmd))
cmd['id'] = 1002
cmd['method'] = "Runtime.evaluate"
cmd["params"] = { "expression" : "document.location = 'http://archive.org'"}
ws.send(dumps(cmd))
class Chrome():
def __init__(self, port):
self.port = port
def __enter__(self):
import psutil, subprocess
self.chrome_process = subprocess.Popen(["google-chrome", "--remote-debugging-port=%s" % self.port])
start = time.time()
open_debug_port = lambda conn: conn.laddr[1] == int(self.port)
chrome_ps_wrapper = psutil.Process(self.chrome_process.pid)
while time.time() - start < 10 and len(filter(open_debug_port, chrome_ps_wrapper.get_connections())) == 0:
time.sleep(1)
if len(filter(open_debug_port, chrome_ps_wrapper.get_connections())) == 0:
self.chrome_process.kill()
raise Exception("Chrome failed to listen on the debug port in time!")
def __exit__(self, *args):
print "Killing"
self.chrome_process.kill()
if __name__ == "__main__":
arg_parser = argparse.ArgumentParser(prog=os.path.basename(sys.argv[0]),
description='umbra - Browser automation tool',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
arg_parser.add_argument('-p', '--port', dest='port', default='9222',
help='Port to have invoked chrome listen on for debugging connections')
args = arg_parser.parse_args(args=sys.argv[1:])
with Chrome(args.port):
debug_info = loads(urllib2.urlopen("http://localhost:%s/json" % args.port).read())
url = debug_info[0]['webSocketDebuggerUrl']
ws = websocket.WebSocketApp(url,
on_message = on_message,
on_error = on_error,
on_close = on_close)
ws.on_open = on_open
ws.run_forever()