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Secret Recipes of the Python Ninja
book

Secret Recipes of the Python Ninja

by Cody Jackson
May 2018
Intermediate to advanced content levelIntermediate to advanced
380 pages
9h 37m
English
Packt Publishing
Content preview from Secret Recipes of the Python Ninja

How it works...

When source code (.py) is read by the Python interpreter, the bytecode is generated and stored in __pycache__ as <module_name>.<version>.pyc. The .pyc extension indicates that it is compiled Python code. This naming convention is what allows different versions of Python code to exist simultaneously on the system.

When source code is modified, Python will automatically check the date with the compiled version in cache and, if it's out of date, will automatically recompile the bytecode. However, a module that is loaded directly from the command line will not be stored in __pycache__ and is recompiled every time. In addition, if there is no source module, the cache can't be checked, that is, a bytecode-only package won't have ...

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Publisher Resources

ISBN: 9781788294874Supplemental Content