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Here's my situation: I've written a python-based amarok script to make a libnotify popup whenever the track changes.
I've written this script because the current "standard" libnotify script is a bash script that doesn't handle things such as parentheses and slashes well, and additionally I wanted to do some more advanced imaging to the cover image.
To make a long story short, I also use WICD (which too is based on python) to connect to wireless networks.
It seems that WICD and Amarok are fighting in that whenever I reconnect to a wireless network, amarok stutters if it's playing. I have, however verified that my script is causing this--no stutter if I stop it from running. Therefore, I have concluded that it is python causing the issue.
To that end, my script uses sys.stdin.readline() (it was using raw_input()) to talk to amarok (which sends commands to scripts via stdin), if it matters, but I'm looking to solve this. I can provide the script if necessary.
import sys, threading, pydcop, pynotify, Image, ImageDraw
from cgi import escape
amarok = pydcop.anyAppCalled("amarok")
cmd = sys.stdin.readline()
title = escape(amarok.player.title())
artist = escape(amarok.player.artist())
album = escape(amarok.player.album())
cover = amarok.player.coverImage()
coverImg = Image.open(cover)
coverImg.thumbnail((64, 64), Image.ANTIALIAS)
coverDraw = ImageDraw.Draw(coverImg)
coverDraw.rectangle([(0, 0), (coverImg.size-1, coverImg.size-1)], outline=(0))
cover = "/tmp/amarok-notify.png"
cover = "file://" + cover
if cmd == "configure":
amarok.playlist.popupMessage("This script does not have any configuration options")
elif cmd == "engineStateChange: playing\n":
n = pynotify.Notification("Amarok Playing", "<b>" + title + "</b> by <b>" + artist + "</b> on <b>" + album + "</b>", cover)
elif cmd == "engineStateChange: paused\n":
n = pynotify.Notification("Amarok Paused", "<b>" + title + "</b> by <b>" + artist + "</b> on <b>" + album + "</b>", cover)
if __name__ == "__main__":
t = threading.Thread(target=readloop)
After some more experimentation, it seems more likely that it was the awn icon script, not the python script, but I digress... for completeness, here's my script. I added the bit for threading on the end in an attempt to alleviate the issue. Didn't really work.