vitsalis / PyCG

Static Python call graph generator

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AttributeError: module 'importlib' has no attribute 'abc'. Did you mean: '_abc'?

hornekyle opened this issue · comments

After installing pycg using pip, I get the following traceback when trying to run on a sample code.

Traceback (most recent call last):
  File "/home/kyle/.local/bin/pycg", line 8, in <module>
    sys.exit(main())
  File "/home/kyle/.local/lib/python3.10/site-packages/pycg/__main__.py", line 79, in main
    cg.analyze()
  File "/home/kyle/.local/lib/python3.10/site-packages/pycg/pycg.py", line 155, in analyze
    self.do_pass(PreProcessor, True,
  File "/home/kyle/.local/lib/python3.10/site-packages/pycg/pycg.py", line 144, in do_pass
    self.import_manager.install_hooks()
  File "/home/kyle/.local/lib/python3.10/site-packages/pycg/machinery/imports.py", line 203, in install_hooks
    loader = get_custom_loader(self)
  File "/home/kyle/.local/lib/python3.10/site-packages/pycg/machinery/imports.py", line 34, in get_custom_loader
    class CustomLoader(importlib.abc.SourceLoader):
AttributeError: module 'importlib' has no attribute 'abc'. Did you mean: '_abc'?

It seems like the the use of importlib.abs.SourceLoader does not work since the subpackage importlib.abc is not imported directly.

For my installation I have temporally fixed the problem by including the following import:

import importlib.abs as iabs

I then adjusted the class definition as follows:

class CustomLoader(iabc.SourceLoader):

I think there is a better way to do this, but I thought you should at least know of the error. I'm running Python 3.10.x on Arch Linux.

Hey @hornekyle, thanks for the report. Yep, this seems to be an issue with an update to Python 3.10 (I've only tested up to 3.9). I think the best solution would be to change the import to

from importlib import abc
...
class CustomLoader(abc.SourceLoader):

@vitsalis I can confirm that your proposed fix works on Python 3.11