如何将easy_install指向vcvarsall.bat？

Question

我已经安装了MSVC ++ 2010 Express，并且我的vcvarsall.bat文件位于C:\Program Files\Microsoft Visual Studio 10.0\VC，该文件位于系统PATH中。当我运行时easy_install，找不到vcvarsall.bat。

我需要在distutils.cfg文件中进行设置以将其指向MSVC ++安装吗？

G:\>easy_install hg-git

install_dir C:\Python26\Lib\site-packages\

Searching for hg-git

Best match: hg-git 0.2.6

Processing hg_git-0.2.6-py2.6.egg

hg-git 0.2.6 is already the active version in easy-install.pth

Using c:\python26\lib\site-packages\hg_git-0.2.6-py2.6.egg

Processing dependencies for hg-git

Searching for dulwich>=0.6.0

Reading http://pypi.python.org/simple/dulwich/

Reading http://samba.org/~jelmer/dulwich

Reading http://launchpad.net/dulwich

Best match: dulwich 0.7.1

Downloading http://www.samba.org/~jelmer/dulwich/dulwich-0.7.1.tar.gz

Processing dulwich-0.7.1.tar.gz

Running dulwich-0.7.1\setup.py -q bdist_egg --dist-dir c:\docume~1\mlin\locals~1

\temp\easy_install-fhraep\dulwich-0.7.1\egg-dist-tmp-qozily

error: Setup script exited with error: Unable to find vcvarsall.bat