[Python-Dev] _sre as part of python.dll
Barry A. Warsaw
Fri, 9 Aug 2002 11:37:11 -0400
>>>>> "GvR" == Guido van Rossum <firstname.lastname@example.org> writes:
>> I remember doing some similar testing probably around the
>> Python 2.0 timeframe and found a huge speed up by avoiding the
>> import of site.py for largely the same reasons (avoiding tons
>> of stat calls). It's not always practical to avoid loading
>> site.py, but if you can, you can get a big startup win.
GvR> It's also easy: "python -S" avoids loading site.py.
Yes. The one gotcha is that site-packages is put on sys.path via
site.py so using -S means you lose that directory. You can, of
course, reinstall it explicitly by something like:
sitedir = os.path.join(sys.prefix, 'lib', 'python'+sys.version[:3],