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 162, in _run_module_as_main "__main__", fname, loader, pkg_name) File "C:\Python27\lib\runpy.py", line 72, in _run_code exec code in run_globals File "C:\Python27\lib\CGIHTTPServer.py", line 30, in <module> import SimpleHTTPServer File "C:\Python27\lib\SimpleHTTPServer.py", line 27, in <module> class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler): File "C:\Python27\lib\SimpleHTTPServer.py", line 208, in SimpleHTTPRequestHand ler mimetypes.init() # try to read system mime.types File "C:\Python27\lib\mimetypes.py", line 358, in init db.read_windows_registry() File "C:\Python27\lib\mimetypes.py", line 258, in read_windows_registry for subkeyname in enum_types(hkcr): File "C:\Python27\lib\mimetypes.py", line 249, in enum_types ctype = ctype.encode(default_encoding) # omit in 3.x! UnicodeDecodeError: ‘ascii‘ codec can‘t decode byte 0xd7 in position 9: ordinal not in range(128)
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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