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python在windows下UnicodeDecodeError的解决方法

2024-07-10 10:07:33   223人阅读

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 CGIHTTPServerTraceback (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 SimpleHTTPRequestHandler    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: ordinalnot 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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