Need Call Tree Analyzer For Python

[Tim Daneliuk]

Is anyone aware of a utility which can read a stand-alone Python program
and generate a visual representation of the call tree? (That is, a
picture of which methods and functions are called and by whom.) Better still
would be one that optionally generates a variety of output formats -
nroff, txt, pdf, ps, html, ...

TIA,
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Tim Daneliuk
tundra at tundraware.com