Rick van Hattem
38 lines
738 B
Python
38 lines
738 B
Python
import gc
|
|
|
|
|
|
class SomeClass(object):
|
|
|
|
def __init__(self, name):
|
|
self.name = name
|
|
|
|
def __repr__(self):
|
|
return f'<{self.__class__.__name__}: {self.name}'
|
|
|
|
|
|
# Create the objects
|
|
a = SomeClass('a')
|
|
b = SomeClass('b')
|
|
|
|
# Add some circular references
|
|
a.b = a
|
|
b.a = b
|
|
|
|
# Remove the objects
|
|
del a
|
|
del b
|
|
|
|
# See if the objects are still there
|
|
print('Before manual collection:')
|
|
for object_ in gc.get_objects():
|
|
if isinstance(object_, SomeClass):
|
|
print('\t', object_, gc.get_referents(object_))
|
|
|
|
print('After manual collection:')
|
|
gc.collect()
|
|
for object_ in gc.get_objects():
|
|
if isinstance(object_, SomeClass):
|
|
print('\t', object_, gc.get_referents(object_))
|
|
|
|
print('Thresholds:', gc.get_threshold())
|