[csw-maintainers] Python 3.x

[Yann Rouillard]

2013/8/2 Maciej (Matchek) Bliziński <maciej at opencsw.org>

> >> There is a mechanism, but the user has no write permissions to the
> >> directories where the modules are.
> >
> > I mean in his home directory, ${TMPDIR}, &c.
>
> I would doubt it works in a general case, e.g. you can't assume that
> there is a home directory, and I'm pretty sure Python wouldn't save
> bytecode into /tmp.
>

That's right, a little test show that in only tries the __pycache__
directory:

$ truss -f python3 test.py  2>&1 | egrep "copy.*pyc"
1395:   open64("/opt/csw/lib/python3.3/__pycache__/copyreg.cpython-33.pyc",
O_RDONLY) Err#2 ENOENT
1395:
open64("/opt/csw/lib/python3.3/__pycache__/copyreg.cpython-33.pyc.4274440288",
O_WRONLY|O_CREAT|O_EXCL, 0644) Err#13 EACCES [ALL]
1395:   open64("/opt/csw/lib/python3.3/__pycache__/copy.cpython-33.pyc",
O_RDONLY) Err#2 ENOENT
1395:
open64("/opt/csw/lib/python3.3/__pycache__/copy.cpython-33.pyc.4271408496",
O_WRONLY|O_CREAT|O_EXCL, 0644) Err#13 EACCES [ALL]

and the following document which describes how __pycache__ works doesn't
talk about a user writeable directory possibility:
http://www.python.org/dev/peps/pep-3147/


Yann
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