Check if a Python script compiles using another Python script

Question

I know py_compile.compile("file.py") will compile file.py.

But can I in that same code that runs that command somehow check if the compilation was successful or not?

I want to essentially have an if-condition depending on whether the compilation was a success or not. Is it possible using the py_compile module? Or is there something better I could use?

Have you tried with the doraise option turned to true so it raises an exception if it fails? — solarc
– solarc, Commented Jan 31, 2018 at 17:05

Lennaert Bel · Accepted Answer · 2018-01-31 17:12:30Z

5

You can do something like this:

import py_compile
try:
    py_compile.compile("file.py", doraise=True)
except py_compile.PyCompileError:
    print("Compilation failed!")

As always in Python, it is better to seek forgiveness than to ask permission.

answered Jan 31, 2018 at 17:12

Lennaert Bel

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2 Comments

John Slaine Over a year ago

Yup that's it. Is there something equivalent for compileall.compile_dir?

Lennaert Bel Over a year ago

It doesn't appear there is, at first glance... It'd be relatively straightforward to use py_compile and write the recursion yourself (using eg. os.walk), but I'm not sure if compileall does other things than just compile.

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