pysource-codegen 0.4.0

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Introduction

pysource_codegen is able to generate random python code which can be compiled. The compiled code should no be executed.

This is still a very early version, but it does its job. It is general useful to test tools like formatters, linters or anything which operates on python code.

Install:

pip install pysource-codegen

Usage:

The tool can be used over the CLI:

pysource-codegen --seed 42

or as a library:

from pysource_codegen import generate

seed = 42
print(generate(seed))

You might find pysource-minimize also useful to reduce the generated code which triggers your bug down to a minimal code snipped, which can be used to fix the issue.

Bugs found in other projects:

• https://github.com/psf/black/issues/3676
• https://github.com/psf/black/issues/3678
• https://github.com/psf/black/issues/3677

Todo:

• refactor the existing code
• use probabilities for the ast-nodes from existing python code (use markov chains)
• support older python versions
• allow to customize the probabilities to generate code to test specific language features