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import gc
import os
import weakref
import numpy as np
import objgraph
import psutil
import qtpy
import napari
process = psutil.Process(os.getpid())
viewer = napari.Viewer()
print('mem', process.memory_info().rss)
for _ in range(0):
print(viewer.add_image(np.random.random((60, 1000, 1000))).name)
for _ in range(2):
print(viewer.add_labels((np.random.random((2, 1000, 1000)) * 10).astype(np.uint8)).name)
print('mem', process.memory_info().rss)
# napari.run()
print('controls', viewer.window.qt_viewer.controls.widgets)
li = weakref.ref(viewer.layers[0])
data_li = weakref.ref(li()._data)
controls = weakref.ref(viewer.window.qt_viewer.controls.widgets[li()])
objgraph.show_backrefs(li(), filename='base.png')
del viewer.layers[0]
qtpy.QtGui.QGuiApplication.processEvents()
gc.collect()
gc.collect()
print(li())
objgraph.show_backrefs(li(), max_depth=10, filename='test.png', refcounts=True)
objgraph.show_backrefs(controls(), max_depth=10, filename='controls.png', refcounts=True)
objgraph.show_backrefs(data_li(), max_depth=10, filename='test_data.png')
print('controls', viewer.window.qt_viewer.controls.widgets)
print('controls', gc.get_referrers(controls()))
print('controls', controls().parent())
#print("controls", controls().parent().indexOf(controls()))
print(gc.get_referrers(li()))
print(gc.get_referrers(li())[1])
print(gc.get_referrers(gc.get_referrers(gc.get_referrers(li())[0])))
res = gc.get_referrers(gc.get_referrers(gc.get_referrers(li())[0])[0])
print(res)
#print(type(res[0]))
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