“““
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

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????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
............此處省略107個(gè)文件信息