Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

cythonized modules in zipapp (.pyz) cant be imported

See original GitHub issue

I’ve a module cythonized in mydir. Running python3 mydir/__main__.py works fine, but if I create a .pyz with zipapp but after that python3 mydir.pyz fail with message ImportError.

Traceback (most recent call last):
  File "/usr/local/lib/python3.5/runpy.py", line 184, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/local/lib/python3.5/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "machine.pyz/__main__.py", line 5, in <module>
ImportError: No module named 'ads.main'

Issue Analytics

State:
Created 7 years ago
Comments:7 (3 by maintainers)

Top GitHub Comments

1reaction

robertwbcommented, Mar 31, 2021

This is not a restriction with Cython, but with zipimport, and any fix would have to be on that side.

1reaction

codewarrior0commented, Nov 8, 2016

zipapp merely leverages Python’s built-in zipimport facility; from the zipimport docs we find:

ZIP import of dynamic modules (.pyd, .so) is disallowed.

Top Results From Across the Web

ImportError: Cannot import Cython module - Stack Overflow

I found my mistake. After trying a million things, I figured it has nothing to do with my setup.py or my source code....

zipapp — Manage executable Python zip archives — Python ...

The main argument should take the form “pkg.module:callable” and the archive will be run by importing “pkg.module” and executing the given callable with...

zipapps - PyPI

Distribute zipapp with embedded python. Use as a requirements zip path, or some venv usages. import sys;sys.path.insert(0, 'app.pyz') ...

Release notes for Python 3.5.4

bpo-23491: Added a zipapp module to support creating executable zip file archives of Python code. Registered ".pyz" and ".pyzw" extensions on Windows for ......

Importing a cython module from another module

so for each file with success, but I cannot import/link bitarray (it is a C extension itself, the module has a __init__.py and...