setuptools-21.0.0

1、python 的一些支持包采用的是pip工具安装的； 2、pip工具类似centos中的 yum； 3、pip工具的安装时需要先安装setuptools工具； 4、这便是setuptools的安装包！

“““
If setuptools is not already installed in the environment it‘s not possible
to invoke setuptools‘ own commands. This routine will bootstrap this local
environment by creating a minimal egg-info directory and then invoking the
egg-info command to flesh out the egg-info directory.
“““

import os
import sys
import textwrap
import subprocess


minimal_egg_info = textwrap.dedent（“““
    [distutils.commands]
    egg_info = setuptools.command.egg_info:egg_info

    [distutils.setup_keywords]
    include_package_data = setuptools.dist:assert_bool
    install_requires = setuptools.dist:check_requirements
    extras_require = setuptools.dist:check_extras
    entry_points = setuptools.dist:check_entry_points

    [egg_info.writers]
    dependency_links.txt = setuptools.command.egg_info:overwrite_arg
    entry_points.txt = setuptools.command.egg_info:write_entries
    requires.txt = setuptools.command.egg_info:write_requirements
    “““）

def ensure_egg_info（）:
    if os.path.exists（‘setuptoo

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         398  2016-05-02 13:40  setuptools-21.0.0\MANIFEST.in
     文件        9943  2016-05-02 13:40  setuptools-21.0.0\README.rst
     文件        1593  2016-05-02 13:40  setuptools-21.0.0\bootstrap.py
     文件          45  2016-05-02 13:40  setuptools-21.0.0\conftest.py
     文件         126  2016-05-02 13:40  setuptools-21.0.0\easy_install.py
     文件       10317  2016-05-02 13:40  setuptools-21.0.0\launcher.c
     文件        2600  2016-05-02 13:40  setuptools-21.0.0\msvc-build-launcher.cmd
     文件         722  2016-05-02 13:40  setuptools-21.0.0\pavement.py
     文件         326  2016-05-02 13:40  setuptools-21.0.0\pytest.ini
     文件        6679  2016-05-02 13:40  setuptools-21.0.0\setup.py
     文件       12898  2016-05-02 13:42  setuptools-21.0.0\PKG-INFO
     文件         509  2016-05-02 13:42  setuptools-21.0.0\setup.cfg
     文件        2339  2016-05-02 13:40  setuptools-21.0.0\docs\Makefile
     文件        8412  2016-05-02 13:40  setuptools-21.0.0\docs\conf.py
     文件        4312  2016-05-02 13:40  setuptools-21.0.0\docs\developer-guide.txt
     文件        1474  2016-05-02 13:40  setuptools-21.0.0\docs\development.txt
     文件       75534  2016-05-02 13:40  setuptools-21.0.0\docs\easy_install.txt
     文件       31242  2016-05-02 13:40  setuptools-21.0.0\docs\formats.txt
     文件          81  2016-05-02 13:40  setuptools-21.0.0\docs\history.txt
     文件         537  2016-05-02 13:40  setuptools-21.0.0\docs\index.txt
     文件       94452  2016-05-02 13:40  setuptools-21.0.0\docs\pkg_resources.txt
     文件        3970  2016-05-02 13:40  setuptools-21.0.0\docs\python3.txt
     文件        2235  2016-05-02 13:40  setuptools-21.0.0\docs\releases.txt
     文件         167  2016-05-02 13:40  setuptools-21.0.0\docs\roadmap.txt
     文件      125717  2016-05-02 13:40  setuptools-21.0.0\docs\setuptools.txt
     文件         311  2016-05-02 13:40  setuptools-21.0.0\docs\_templates\indexsidebar.html
     文件          71  2016-05-02 13:40  setuptools-21.0.0\docs\_theme\nature\theme.conf
     文件        3853  2016-05-02 13:40  setuptools-21.0.0\docs\_theme\nature\static\nature.css_t
     文件        2717  2016-05-02 13:40  setuptools-21.0.0\docs\_theme\nature\static\pygments.css
     文件      101358  2016-05-02 13:40  setuptools-21.0.0\pkg_resources\__init__.py
     文件       12211  2016-05-02 13:40  setuptools-21.0.0\pkg_resources\api_tests.txt
............此处省略107个文件信息