python在windows下UnicodeDecodeError的解决方法

之前在windows下使用python调用某些模块时都会报错，像这样：

C:\Documents and Settings\Administrator>python -m CGIHTTPServer

Traceback (most recent call last):

  File "C:\Python27\lib\runpy.py", line , in _run_module_as_main

    "__main__", fname, loader, pkg_name)

  File "C:\Python27\lib\runpy.py", line , in _run_code

    exec code in run_globals

  File "C:\Python27\lib\CGIHTTPServer.py", line , in <module>

    import SimpleHTTPServer

  File "C:\Python27\lib\SimpleHTTPServer.py", line , in <module>

    class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):

  File "C:\Python27\lib\SimpleHTTPServer.py", line , in SimpleHTTPRequestHand

ler

    mimetypes.init() # try to read system mime.types

  File "C:\Python27\lib\mimetypes.py", line , in init

    db.read_windows_registry()

  File "C:\Python27\lib\mimetypes.py", line , in read_windows_registry

    for subkeyname in enum_types(hkcr):

  File "C:\Python27\lib\mimetypes.py", line , in enum_types

    ctype = ctype.encode(default_encoding) # omit in .x!

UnicodeDecodeError: 'ascii' codec can't decode byte 0xd7 in position 9: ordinal

not in range()

可以看到栈跟踪一直指向了python目录下的lib\mimetypes.py文件，根据查到的资料，解决方法是这样的

找到mimetypes.py文件第256行左右的default_encoding = sys.getdefaultencoding()，在它的前面加上

if sys.getdefaultencoding() != 'gbk':

            reload(sys)

            sys.setdefaultencoding('gbk')

if和default_encoding对齐，然后问题就解决了，详细原理等我深入了解了再补充过来

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python在windows下UnicodeDecodeError的解决方法

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