"""
"Profiling memory" section example of creating reference
and backreference graphs of memory objects with objgraph.
"""
import objgraph
def example():
x = []
y = [x, [x], dict(x=x)]
objgraph.show_refs(
(x, y),
filename='show_refs.png',
refcounts=True
)
objgraph.show_backrefs(
(x, y),
filename='show_backrefs.png',
refcounts=True
)
if __name__ == "__main__":
example()