安裝PIL庫的時候,直接提示:Python version 2.7 required, which was not found in the registry。
如圖:

大意是說找不到注冊表,網上搜索解決方案。
新建一個register.py文件寫入代碼:
代碼如下:
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!"
啟動命令切到register.py文件目錄下執行:

重新安裝PIL,錯誤解決,安裝成功。
如果是win7 64位的用戶在安裝Python 32位程序時,如果選擇只為當前用戶,以上問題不會出現。如果選擇所有用戶,就試著使用以上方法解決。
提示其它版本解決方法類似。
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