The only solution, that I found was recompiling the libcwiid wrapper, such that it allows threading (the patch existed already on the libcwiid Trac data base, though it's not part of an official release)
bye N News123 wrote: > Hi, > > I'm using the module cwiid to conncet to a wiimote. > > import cwiid > wiimote = cwiid.Wiimote() > > This function is blocking: > It waits until it could sucessfully connect to a device or > until 20 seconds passed without sucessful connection. > > As I wanted to do some things even if the wii-mote is not > connected I though about creating a thread, which tries connecting > until it is sucessfully connected > and let the application do something else meanwhile. > > Unfortunately it seems, that the call to cwiid.Wiimote() blocks > all threads. > Probably the call to Wiimote() doesn't release the GIL. > > > So my question: > > Is there anybody knowing if there's any trick in python or > in libcwiid to avoid this 'complete block' > > The only idea, that I have is to do the polling in a second process. > I'm just not sure though how I could pass the sucessfully connected > device to the parent process without creating pipes or > > thanks for any ideas and bye > > N > > P.S. Attached a test script and its output: > > #[code] > import os,sys,time,threading,cwiid > class wii_thread(threading.Thread): > def run(self): > wm = None > while not wm: > try: > print "try to connect" > wm=cwiid.Wiimote() > except: > print "Didn't find wiimote will retry" > time.sleep(0.5) > print "setup wiimote,poll and queue wii events" > time.sleep(1000) > if __name__ == '__main__': > wii_thrd = wii_thread() > wii_thrd.start() > while True: > print 'do something' > time.sleep(1) > #[code end] > > # the output > ################## > do something > try to connect > No wiimotes found > Didn't find wiimote will retry > do something > try to connect > setup wiimote,poll and queue wii events > do something > do something > do something > Traceback (most recent call last): > File "./threadprob.py", line 22, in <module> > time.sleep(1) > KeyboardInterrupt > > -- http://mail.python.org/mailman/listinfo/python-list
