def loop(self):
while True:
self.handle_gui_events(self.sock)
funcname, args = recv_object(self.sock)
if funcname in rpc_funcs:
func = getattr(self, funcname)
try:
r = func(*args)
if isinstance(r, types.GeneratorType):
for obj in r:
send_object(self.sock, obj)
else:
send_object(self.sock, r)
except Exception:
# This may help in debugging exceptions.
traceback.print_exc()
send_object(self.sock, None)
else:
# aid in debug
print >> sys.stderr, "Unknown command: %s" % funcname
send_object(self.sock, None)
def loop(self):
while True:
if not self.idle_paused:
self.handle_gui_events(self.sock)
funcname, args = recv_object(self.sock)
if funcname in rpc_funcs:
func = getattr(self, funcname)
try:
r = func(*args)
if isinstance(r, types.GeneratorType):
for obj in r:
send_object(self.sock, obj)
else:
send_object(self.sock, r)
except Exception:
# This may help in debugging exceptions.
traceback.print_exc()
send_object(self.sock, None)
else:
# aid in debug
sys.stderr.write("Unknown command: %s\n" % funcname)
send_object(self.sock, None)
def main():
if len(sys.argv) < 2 or sys.argv[1] in ('-h', '--help'):
print >> sys.stderr, "Usage: %s executable" % sys.argv[0]
sys.exit(1)
executable = sys.argv[1:]
# Find a socket to listen to
ports = range(10000, 10100)
random.shuffle(ports)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
for port in ports:
debug("Trying to listen on port %d..." % port)
try:
s.bind(('localhost', port))
except socket.error:
debug("Failed.")
pass
else:
debug("Ok.")
break
else:
raise IOError("Couldn't find a port to bind to")
# Now the socket is bound to port.
debug("Spawning subprocess")
env = os.environ.copy()
env['PYTHONUNBUFFERED'] = '1'
popen = Popen(executable + [str(port)],
stdin=PIPE, stdout=PIPE, #stderr=PIPE,
close_fds=True, env=env)
debug("Waiting for an answer")
s.listen(1)
sock, addr = s.accept()
debug("Connected to addr %r!" % (addr,))
s.close()
# Start the play
while True:
time.sleep(0.01)
# Check if exited
rc = popen.poll()
if rc is not None:
print 'Process terminated with rc %r' % rc
break
# Read from stdout, stderr, and socket
#ready, _, _ = select([sys.stdin, popen.stdout, popen.stderr, sock], [], [], 0)
ready, _, _ = select([sys.stdin, popen.stdout, sock], [], [], 0)
if sys.stdin in ready:
line = sys.stdin.readline()
if not line:
break
obj = eval(line)
send_object(sock, obj)
if popen.stdout in ready:
r = []
while True:
r.append(os.read(popen.stdout.fileno(), 8192))
if not select([popen.stdout], [], [], 0)[0]:
break
r = ''.join(r)
print 'stdout: %r' % r
if popen.stderr in ready:
r = []
while True:
r.append(os.read(popen.stderr.fileno(), 8192))
if not select([popen.stderr], [], [], 0)[0]:
break
r = ''.join(r)
print 'stderr: %r' % r
if sock in ready:
obj = recv_object(sock)
print 'obj: %r' % (obj,)
