Windows7下安装scipy

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在Windows7上安装SciPy需要先安装NumPy。由于64位系统的原因，选择为所有用户安装Python32位时可能会遇到错误。解决方法是创建并运行register.py脚本进行注册，然后可以成功安装SciPy。

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SciPy是基于NumPy的，所以需要先安装NumPy，再安装SciPy。

numpy的安装可以直接

scipy下载地址：http://sourceforge.net/projects/scipy/files/scipy/

下载的是可执行文件，双击运行，但出现如下错误：

python version 2.7 is required, which was not found in the registry

原因：

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，那会出现如上问题。

解决方法：

1、在G盘创建文件register.py，把下面代码copy进去

#
# script to register Python 2.0 or later for use with win32all
# and other extensions that require Python registry settings
#
# written by Joakim Loew for Secret Labs AB / PythonWare
#
# source:
# http://www.pythonware.com/products/works/articles/regpy20.htm
#
# modified by Valentine Gogichashvili as described in http://www.mail-archive.com/distutils-sig@python.org/msg10512.html
 
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()

然后在cmd中python register.py 就注册好了，然后再安装scipy。

参考：

http://www.cnblogs.com/min0208/archive/2012/05/24/2515584.html

http://blog.youkuaiyun.com/luo123n/article/details/10027557