Jeremy Hylton <jeremy@zope.com> writes: > On Fri, 2003-07-11 at 10:16, Fred L. Drake, Jr. wrote: >> Perhaps, but... those imports only happen if it already looks like >> you're running from a build directory, so they don't impact the >> imports for an installed Python. > > You are so true. I just did fresh installs of 2.2.3 and 2.3 to see what > happens when I run from an install Python. > > A nice minimal set of imports for 2.2.3: > > import site > import os > import posix > import posixpath > import stat > import UserDict > import copy_reg > import types > import __future__ > > There are a lot more for 2.3 (and each one costs more). > > import zipimport > import site > import os > import posix > import posixpath > import stat > import UserDict > import copy_reg > import types > import warnings > import linecache > import re > import sre > import sre_compile > import _sre > import sre_constants > import sre_parse > import string > import encodings > import codecs > import _codecs > import encodings.aliases > import encodings.iso8859_15 > > We can blame the extra imports on three new features. > > The zip import feature requires the zipimport module. > > The warnings feature requires warnings, linecache, and re, where re is > costly -- seven imports in total. The top-level "import re" was removed > from warnings.py, but it doesn't make any difference. The routine that > *uses* the re module is called from the top-level of the warnings > module. > > The default file system encoding feature requires the encodings and > codecs packages to be loaded. That's another five imports. > > Anyone want to drop warnings and encodings? <0.9 wink> > Sure. There's another problem with these imports happening *very* early, it breaks py2exe, and maybe also McMillan installer because these imports happen *before* the import hook is installed. Thomas
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4