On Sun, 26 Apr 2009 14:46:14 +0200, Marco Bizzarri <marco.bizza...@gmail.com> wrote: > On Sun, Apr 26, 2009 at 12:38 PM, Joacim Thomassen > <joa...@net.homelinux.org> wrote: >> Den Sat, 25 Apr 2009 23:47:57 +0200, skrev Marco Bizzarri: >> >> >> Hello Marco, >> >> python's fcntl() call the regular C fcntl() function and as stated in the >> manual pages for C fcntl: >> >> ----------- Snippet from fcntl man pages ---------------- >> >> File and directory change notification (dnotify) >> F_NOTIFY (long) >> (Linux 2.4 onwards) Provide notification when the >> directory referred to by fd or any of the >> files that it >> contains is changed. The events to >> be notified are >> specified in arg, which is a bit mask specified by >> ORing >> together zero or more of the following >> bits: >> >> DN_MODIFY A file was modified (write, pwrite, >> writev, >> >> truncate, ftruncate). >> ------------- End snippet of fcntl man pages ------------------- >> >> The fact that my program actually trigger a signal as the monitored >> directoy's image.jpg file change confirm that this part of the code do >> work. I do get "Change happened!" as i manually do a "cp another.jpg >> image.jpg", but this action is first seen after I close my application >> window. (I do not get "Change happened!" if I don't do my manual cp >> command. :-) ) >> >> Personaly I believe this has something to do with the GUI/Qt4 part that I >> have not understood. Something about how a widget repaint itself or >> something in that direction. >> >> Best regards, >> Joacim >> -- >> http://mail.python.org/mailman/listinfo/python-list >> > > > You're right: I've found the following answer googling: > > http://mail.python.org/pipermail/python-list/2007-February/597617.html > > > indeed, addind a startTimer() to your code, makes it works ;).
Alternatively, use QFileSystemWatcher instead. Phil -- http://mail.python.org/mailman/listinfo/python-list