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import socket
from multiprocessing import Process
from time import sleep
from flask import Flask
PORT = 9004
print 'Opening web server'
class WebServer(object):
def start(self):
self.p = Process(target=self._start)
self.p.start()
try:
retry = 0
while not self.is_alive():
if retry == 5:
raise Exception("Webserver start failed")
retry += 1
sleep(1)
finally:
self.stop()
def is_alive(self):
res = False
try:
s = socket.socket()
s.connect(("localhost", PORT))
res = True
except socket.error:
pass
finally:
s.close()
return res
def stop(self):
self.p.terminate()
def _start(self):
webserver = Flask("API server")
webserver.run('localhost', PORT)
if __name__ == '__main__':
print "Opening browser"
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