Yes, it seems fixed. The #refs now are stable and memory seems to be
freed. I don't think you need to call gc.collect() for all this to work.
I tested this briefly.
Your original problem, where you derive from clutter.Texture is still
leaking. However, if you convert the inherited class and instead have a
member variable, the leaks do not happen. In the inherited class,
__del__ is never called - so it leaks inspite of calling gc.collect()
every so often!.
Also, the gstreamer problem with NULL state will still bite you. To fix
it, in __del__, set state to STATE_NULL.
Here is some a repost of the code that does not to leak for me:
import clutter
import gc
import time
import sys
stage = None
my_label = None
#gc.set_debug(gc.DEBUG_STATS)
class AnimatedLabel():
def __init__(self):
print 'INIT %s' % self
self.label = clutter.Label()
self.timeline = clutter.Timeline(duration=1000)
self.timeline.set_loop(True)
self.alpha = clutter.Alpha(self.timeline, clutter.ramp_func)
self.behaviour = clutter.BehaviourDepth(alpha=None,
depth_start=0, depth_end=200)
self.behaviour.apply(self.label)
self.timeline.start()
def __del__(self):
print '#alph:', sys.getrefcount(self.alpha)
print '#beh:', sys.getrefcount(self.behaviour)
print '#tim:', sys.getrefcount(self.timeline)
#del self.alpha # no need
#del self.behaviour # no need
print 'DEL %s' % self
def on_key_press_event(a,b):
global my_label
stage.remove(my_label.label)
# would do anything to get rid of the old object ;)
del my_label
my_label = None
#print gc.get_objects()[-5:]
# print "gc_len:", len(gc.get_objects())
# gc.collect() # no need
my_label = AnimatedLabel()
my_label.label.set_text(time.ctime())
my_label.label.set_position(100,100)
stage.add(my_label.label)
my_label.label.show()
stage = clutter.stage_get_default()
stage.set_size(320,240)
stage.connect('key-press-event', on_key_press_event)
my_label = AnimatedLabel()
my_label.label.set_text(time.ctime())
my_label.label.set_position(100,100)
stage.add(my_label.label)
stage.show_all()
-Ashwin
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