Great idea! Sounds like a PEP (informational, probably) would be good idea.
On Tue, Mar 18, 2008 at 4:59 PM, Bill Janssen <[EMAIL PROTECTED]> wrote: > I don't think this is bike-shedding. > > The debate about "AMD64" vs. "amd64" vs. "x86_64" reminded me that > I've been bit more and more frequently by bits of platform-specific > knowledge scattered around the standard library. The latest is the > code in distutils.unixccompiler that tries to figure out what flags to > send to the linker in order to add a dynamic library path lookup to a > shared library. > > There are lots of different ways of figuring out which platform is > being used, and they're all over the place. The code in > distutils.unixccompiler uses "sys.platform[:6]", and looks for > "darwin"; the code in urllib.py uses "os.name", and expects it to be > "mac", but later looks for "sys.platform == 'darwin'; posixfile > believes that platforms come with version numbers ("linux2", "aix4"); > pydoc and tarfile have tests for "sys.platform == 'mac'". tempfile > looks at os.sys.platform *and* os.name. > > Could well be that all of these are correct (I believe that "mac", for > instance, refers to the generations of the Mac OS before OS X). But > it means that when someone tries to update "Python" to a new major > version release for, say, OS X, it's really easy to miss things. And > the fact that the platform version is sometimes included and sometimes > not is also problematic; darwin9 is different from darwin8 in some > important aspects. > > It would be nice to > > (a) come up with a list of standard platform symbols, > (b) put those symbols somewhere in the documentation, > (c) have one way of discovering them, via sys or os or platform or > whichever module, > (d) add a standard way of discovering the platform version, and > (e) stamp out all the other ways that have crept in over the years. > > Bill > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > http://mail.python.org/mailman/options/python-dev/guido%40python.org > -- --Guido van Rossum (home page: http://www.python.org/~guido/) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com