安装PIL遇到的问题

配置：Win7 64位

不过折腾到最后，没有使用PIL，官方的PIL很久木有更新了，换了Pillow，是PIL的衍生吧，一直有更新，但是两者不可在同一环境共存。

1 Python version 2.7 required，which was not found in the registry.

官方下载http://www.pythonware.com/products/pil/，安装PIL，出现如下错误提示，Python version 2.7 required，which was not found in the registry.

解决方案：

http://stackoverflow.com/questions/19169582/python-version-2-7-required-which-was-not-found-in-the-registry-error-when-at

 1 import sys
 2   
 3 from _winreg import *
 4   
 5 # tweak as necessary
 6 version = sys.version[:3]
 7 installpath = sys.prefix
 8   
 9 regpath = "SOFTWARE\Python\Pythoncore\%s\" % (version)
10 installkey = "InstallPath"
11 pythonkey = "PythonPath"
12 pythonpath = "%s;%s\Lib\;%s\DLLs\" % (
13     installpath, installpath, installpath
14 )
15   
16 def RegisterPy():
17     try:
18         reg = OpenKey(HKEY_CURRENT_USER, regpath)
19     except EnvironmentError as e:
20         try:
21             reg = CreateKey(HKEY_CURRENT_USER, regpath)
22             SetValue(reg, installkey, REG_SZ, installpath)
23             SetValue(reg, pythonkey, REG_SZ, pythonpath)
24             CloseKey(reg)
25         except:
26             print "*** Unable to register!"
27             return
28         print "--- Python", version, "is now registered!"
29         return
30     if (QueryValue(reg, installkey) == installpath and
31         QueryValue(reg, pythonkey) == pythonpath):
32         CloseKey(reg)
33         print "=== Python", version, "is already registered!"
34         return
35     CloseKey(reg)
36     print "*** Unable to register!"
37     print "*** You probably have another Python installation!"
38 
39 if __name__ == "__main__":
40     RegisterPy()