kivy gstplayer socket leak test

sound.py

from kivy.app import App
from kivy.uix.button import Button
from kivy.clock import Clock
from kivy.core.audio import SoundLoader
import time
import os
from subprocess import Popen, PIPE

class TestApp(App):
    def __init__(self, **kwargs):
        super(TestApp, self).__init__(**kwargs)
        self.count = 0
        self.playing = False

    def build(self):
        self.sound = SoundLoader.load('examples/audio/12909_sweet_trip_mm_clap_lo.wav')
        return Button(text='Test', on_press=self.play)

    def get_file_count(self):
        p = Popen('ls -l /proc/%s/fd | wc -l' % os.getpid(), shell=True, stdout=PIPE, stderr=PIPE)
        out, err = p.communicate()
        if p.returncode == 0:
            return int(out.rstrip())

    def play(self, *_):
        if not self.playing:
            self.playing = True
            self.count = self.get_file_count()
            print 'starting count: %d' % self.count
            for i in range(10):
                Clock.schedule_once(self._play, i)
            Clock.schedule_once(self.finish, 11)

    def _play(self, *_):
        print 'playing sound'
        self.sound.play()
        self.print_count()

    def finish(self, *_):
        print 'finishing'
        self.print_count()
        self.playing = False

    def print_count(self, *_):
        currcount = self.get_file_count()
        print 'start: %d  current: %d  change: %d' % (self.count, currcount, currcount - self.count)

if __name__ == '__main__':
    TestApp().run()

'''
kivy/master:

starting count: 17
playing sound
start: 17  current: 18  change: 1
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 27  change: 10
playing sound
start: 17  current: 29  change: 12
playing sound
start: 17  current: 31  change: 14
playing sound
start: 17  current: 33  change: 16
playing sound
start: 17  current: 35  change: 18
playing sound
start: 17  current: 37  change: 20
playing sound
start: 17  current: 39  change: 22
playing sound
start: 17  current: 41  change: 24
finishing
start: 17  current: 37  change: 20
starting count: 37
playing sound
start: 37  current: 43  change: 6
playing sound
start: 37  current: 45  change: 8
playing sound
start: 37  current: 47  change: 10
playing sound
start: 37  current: 49  change: 12
playing sound
start: 37  current: 51  change: 14
playing sound
start: 37  current: 53  change: 16
playing sound
start: 37  current: 55  change: 18
playing sound
start: 37  current: 57  change: 20
playing sound
start: 37  current: 59  change: 22
playing sound
start: 37  current: 61  change: 24
finishing
start: 37  current: 57  change: 20


----------------------------------

kived/gstplayer-socket:

starting count: 17
playing sound
start: 17  current: 18  change: 1
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
playing sound
start: 17  current: 25  change: 8
finishing
start: 17  current: 19  change: 2
starting count: 19
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
playing sound
start: 19  current: 25  change: 6
finishing
start: 19  current: 19  change: 0
'''