python 安装 mysql-python故障
安装pip install MySQL-python 故障解决！1
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running build_ext
building '_mysql' extension
error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.bat). Get it from http://aka.ms/vcpython27
----------------------------------------
Command "C:\Python27\python.exe -u -c "import setuptools, tokenize;__file__='c:\\users\\gaogd\\appdata\\local\\temp\\pip-build-btgsva\\MySQL-python\\setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record c:\users\gaogd\appdata\local\temp\pip-ijueoq-record\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in c:\users\gaogd\appdata\local\temp\pip-build-btgsva\MySQL-python\
C:\Users\gaogd>
下载安装：
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Windows下pip安装包报错：Microsoft Visual C++ 9.0 is requiredUnable to find vcvarsall.bat
刚在机器上windows环境下装上pip方便以后安装包的时候使用，谁知道第一次使用pip安装asyncio的时候就报错。
在Windows7x64下使用pip安装包的时候提示报错：Microsoft Visual C++ 9.0 is required(Unable to find vcvarsall.bat)
环境：windows7 x64 ，python2.7 ，VS2012
原因：windows下使用pip安装包的时候需要机器装有vs2008，VS2012还不行，如果不想装VS2008的话，可以安装一个Micorsoft Visual C++ Compiler for Python 2.7的包
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http://www.microsoft.com/en-us/download/details.aspx?id=44266
错误2
解决：执行下面脚本：
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import sys
from _winreg import *
# tweak as necessary
version = sys.version[:3]
installpath = sys.prefix
regpath = "SOFTWARE\\Python\\Pythoncore\\%s\\" % (version)
installkey = "InstallPath"
pythonkey = "PythonPath"
pythonpath = "%s;%s\\Lib\\;%s\\DLLs\\" % (
installpath, installpath, installpath
)
def RegisterPy():
try:
reg = OpenKey(HKEY_CURRENT_USER, regpath)
except EnvironmentError as e:
try:
reg = CreateKey(HKEY_CURRENT_USER, regpath)
SetValue(reg, installkey, REG_SZ, installpath)
SetValue(reg, pythonkey, REG_SZ, pythonpath)
CloseKey(reg)
except:
print "*** Unable to register!"
return
print "--- Python", version, "is now registered!"
return
if (QueryValue(reg, installkey) == installpath and
QueryValue(reg, pythonkey) == pythonpath):
CloseKey(reg)
print "=== Python", version, "is already registered!"
return
CloseKey(reg)
print "*** Unable to register!"
print "*** You probably have another Python installation!"
if __name__ == "__main__":
RegisterPy()
显示“python 2.7 is already registered”再安装setuptools的时候，就能自动识别出来python2.7了。win7是 64的原因，在安装python（32位）时，如果选择只为当前用户，以上问题是不会出现的，如果选择所有用户，那就用上面的方法解决吧。分类: Python
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