The structure of .pyc files

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By rlamarch
via nedbatchelder.com
Published: Apr 12 2008 / 03:25

I spent some time digging around in the Python code to understand how .pyc files work. It turns out they are fairly simple, then kind of complex. At the simple level, a .pyc file is a binary file containing: a four-byte magic number, a four-byte modification timestamp, and a marshalled code object.

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