[Python-bugs-list] [ python-Bugs-816810 ] webbrowser.open hangs under certain conditions

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Bugs item #816810, was opened at 2003-10-02 23:00
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https://sourceforge.net/tracker/?func=detail&atid=105470&aid=816810&group_id=5470

Category: Python Library
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Sjoerd Mullender (sjoerd)
Assigned to: Nobody/Anonymous (nobody)
Summary: webbrowser.open hangs under certain conditions

Initial Comment:
On Unix, if you have galeon installed and no BROWSER

environment variable, webbrowser.open('http://...')

will hang if there is no galeon running at the time of

the call.



The problem is, webbrowser.open calls "galeon <the

URL>".  If a galeon instance is running, the new

invocation will signal the old about the URL and then

exit.  If there is no galeon instance running, the new

instance will do the job itself and not exit, so the

call to webbrowser.open() will hang until you exit galeon.



Skip had this to say:



In the meantime, it looks like if you modify the

definition of cmd in

Galeon._remote to 



        cmd = "%s %s %s & >/dev/null 2>&1" %

(self.name, raise_opt, action)



that webbrowser.open() should return for you.  I'm not

sure the '&' is sufficient though.  You may lose the

Galeon instance if you then exit from the Python

interpreter.  In general, the code in

webbrowser._remote() looks a bit hackish.  I'm not sure

I like this:



        rc = os.system(cmd)

        if rc:

            import time

            os.system("%s >/dev/null 2>&1 &" % self.name)

            time.sleep(PROCESS_CREATION_DELAY)

            rc = os.system(cmd)



Oh well, it's what we're stuck with...





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