"MAL" == M <mal@lemburg.com> writes:
>> The email package has two files to help it maintain >> compatibility with Python 2.1 and Python 2.2+. There's a >> _compat21.py and a _compat22.py that contains tricky bits that >> are different between the two Python versions. >> [...] >> Naturally Python 2.1 won't be able to compile _compat22.py and >> indeed you get a SyntaxError. Is there a way >> -- in my setup.py -- that I can [...] skip byte >> compilation of _compat22.py when I find I'm using Python 2.1? MAL> Not builtin, but it should be easy to write your own subclass MAL> which implements this. And indeed it was! Thanks for the hint MAL. Below is what I came up with. -Barry -------------------- snip snip --------------------setup.py import sys from os.path import basename from distutils.core import setup from distutils.command.install_lib import install_lib class EmailInstall(install_lib): def byte_compile(self, files): # For Python 2.1.x do not byte compile the _compat22.py file since # that will most definitely fail. Any newer Python can compile # everything. major, minor = sys.version_info[0:2] if major == 2 and minor == 1: files = [f for f in files if basename(f) <> '_compat22.py'] return install_lib.byte_compile(self, files) setup(name='email', version='2.0.5', description='Next generation MIME library', author='Barry Warsaw', author_email='barry@zope.com', url='http://sf.net/projects/mimelib', packages=['email'], # Because we need to selectively byte-compile cmdclass={'install_lib': EmailInstall}, )