Re: UnicodeDecodeError: 'ascii' codec can't decode byte 0xe0 in position 0: ordinal not in range(128)

On Thu, Mar 3, 2011 at 4:01 AM, Vladimir <vevanin@yandex.ru> wrote:

1. web browser does not give messages, in command line I see:
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\django\core\servers\basehttp.py",
line 280, in run
   self.result=application(self.environ, self.start_response)
File "C:\Python27\lib\site-packages\django\core\servers\basehttp.py",
line 709, in __call__
   mime_type=mimetypes.guess_type(file_path)[0]
File "C:\Python27\lib\mimetypes.py", line 294, in guess_type
   init()
File "C:\Python27\lib\mimetypes.py", line 355, in init
   db.read_windows_registry()
File "C:\Python27\lib\mimetypes.py", line 259, in
read_windows_registry
   for ctype in enum_types(mimedb):
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 0xe0 in position
0: ordinal not in range(128)

This looks like a bug in Python. Traceback is showing Python mimetypes init() trying to read the windows registry and running into trouble. The code in question isn't even using any parameters passed in from the Django code calling it, so it's unlikely any change to Django (other than not using mimetypes guess_type) would help to fix it.

This has come up before on this list, and a workaround was mentioned here:

http://groups.google.com/group/django-users/msg/7fe07998db471693

A real fix I believe would need to be made to the Python library code to ensure that it doesn't die if the windows registry contains non-ASCII data.

Karen
--
http://tracey.org/kmt/

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