使用pip安装python插件的时候出现Microsoft Visual C++ 9.0缺失错误

：

Running setup.py install for gevent
    building 'gevent.corecext' extension
    error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.bat). Get it from http://aka.ms/vcpython27
    Complete output from command C:Python27python.exe -c "import setuptools, tokenize;__file__='c:\users\hello\appdata\local\temp\pip_build_hello\gevent\setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace(' ', ' '), __file__, 'exec'))" install --record c:usershelloappdatalocal emppip-okbpxc-recordinstall-record.txt --single-version-externally-managed --compile:
    running install

running build

running build_py

creating build

creating buildlib.win-amd64-2.7

creating buildlib.win-amd64-2.7gevent

copying geventackdoor.py -> buildlib.win-amd64-2.7gevent

copying geventaseserver.py -> buildlib.win-amd64-2.7gevent

copying geventuiltins.py -> buildlib.win-amd64-2.7gevent

copying geventcore.py -> buildlib.win-amd64-2.7gevent

copying geventcorecffi.py -> buildlib.win-amd64-2.7gevent

copying geventcoros.py -> buildlib.win-amd64-2.7gevent

copying geventevent.py -> buildlib.win-amd64-2.7gevent

copying geventfileobject.py -> buildlib.win-amd64-2.7gevent

copying geventgreenlet.py -> buildlib.win-amd64-2.7gevent

copying geventhub.py -> buildlib.win-amd64-2.7gevent

copying geventlocal.py -> buildlib.win-amd64-2.7gevent

copying geventlock.py -> buildlib.win-amd64-2.7gevent

copying geventmonkey.py -> buildlib.win-amd64-2.7gevent

copying geventos.py -> buildlib.win-amd64-2.7gevent

copying geventpool.py -> buildlib.win-amd64-2.7gevent

copying geventpywsgi.py -> buildlib.win-amd64-2.7gevent

copying geventqueue.py -> buildlib.win-amd64-2.7gevent

copying gevent esolver_ares.py -> buildlib.win-amd64-2.7gevent

copying gevent esolver_thread.py -> buildlib.win-amd64-2.7gevent

copying geventselect.py -> buildlib.win-amd64-2.7gevent

copying geventserver.py -> buildlib.win-amd64-2.7gevent

copying geventsignal.py -> buildlib.win-amd64-2.7gevent

copying geventsocket.py -> buildlib.win-amd64-2.7gevent

copying geventssl.py -> buildlib.win-amd64-2.7gevent

copying geventsubprocess.py -> buildlib.win-amd64-2.7gevent

copying gevent hread.py -> buildlib.win-amd64-2.7gevent

copying gevent hreading.py -> buildlib.win-amd64-2.7gevent

copying gevent hreadpool.py -> buildlib.win-amd64-2.7gevent

copying gevent imeout.py -> buildlib.win-amd64-2.7gevent

copying geventutil.py -> buildlib.win-amd64-2.7gevent

copying geventwin32util.py -> buildlib.win-amd64-2.7gevent

copying geventwsgi.py -> buildlib.win-amd64-2.7gevent

copying gevent\_corecffi_build.py -> buildlib.win-amd64-2.7gevent

copying gevent\_fileobjectcommon.py -> buildlib.win-amd64-2.7gevent

copying gevent\_fileobjectposix.py -> buildlib.win-amd64-2.7gevent

copying gevent\_semaphore.py -> buildlib.win-amd64-2.7gevent

copying gevent\_socket2.py -> buildlib.win-amd64-2.7gevent

copying gevent\_socket3.py -> buildlib.win-amd64-2.7gevent

copying gevent\_socketcommon.py -> buildlib.win-amd64-2.7gevent

copying gevent\_ssl2.py -> buildlib.win-amd64-2.7gevent

copying gevent\_ssl3.py -> buildlib.win-amd64-2.7gevent

copying gevent\_sslgte279.py -> buildlib.win-amd64-2.7gevent

copying gevent\_tblib.py -> buildlib.win-amd64-2.7gevent

copying gevent\_threading.py -> buildlib.win-amd64-2.7gevent

copying gevent\_util_py2.py -> buildlib.win-amd64-2.7gevent

copying gevent\__init__.py -> buildlib.win-amd64-2.7gevent

running build_ext

building 'gevent.corecext' extension

error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.bat). Get it from http://aka.ms/vcpython27

----------------------------------------
Cleaning up...【以下为红色】
Command C:Python27python.exe -c "import setuptools, tokenize;__file__='c:\users\hello\appdata\local\temp\pip_build_hello\gevent\setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace(' ', ' '), __file__, 'exec'))" install --record c:usershelloappdatalocal emppip-okbpxc-recordinstall-record.txt --single-version-externally-managed --compile failed with error code 1 in c:usershelloappdatalocal emppip_build_hellogevent
Storing debug log for failure in C:Usershellopippip.log

尝试解决方案

到http://aka.ms/vcpython27下载vc4python27 安装后重试

结果：解决了部分问题，然后又提示zlib缺少，可以看pip.log