[Python-Dev] difficulty of implementing phase 2 of PEP 302 in Python source (original) (raw)

Thomas Heller theller at python.net
Thu Sep 28 20:54:02 CEST 2006

Phillip J. Eby schrieb:

At 11:25 AM 9/28/2006 -0700, Brett Cannon wrote:

I will think about it, but I am still trying to get the original question of how bad the C code is compared to rewriting import in Python from people. =) I would say that the C code is delicate, not necessarily bad. In most ways, it's rather straightforward, it's actually the requirements that are complex. :) A Python implementation, however, would be a good idea to have around for PyPy, Py3K, and other versions of Python, and as a refactoring basis for writing any new C code.

FYI, Gordon McMillan had a Python 'model' of the import mechanism in his, (not sure if it was really named) "iu.py". It was part of his installer utility, maybe the code still lives in the PyInstaller project. IIRC, parts of pep 302 were inspired by his code.

Thomas

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