how to print the GREEK CAPITAL LETTER delta under utf-8 encoding

[人言落日是天涯，望极天涯不见家]

On 5月29日, 下午3时05分, "Martin v. Lo"wis" <mar... at v.loewis.de> wrote:
> > yes, it could print to the terminal(cmd.exe), but when I write these
> > string to file. I got the follow error:
>
> >   File "E:\Tools\filegen\filegen.py", line 212, in write
> >     self.file.write(data)
> > UnicodeEncodeError: 'ascii' codec can't encode character u'\u0394' in
> > position 0
> > : ordinal not in range(128)
>
> Yes, when writing to a file, you need to define an encoding, e.g.
>
> self.file.write(data.encode("utf-8"))
>
> You can use codecs.open() instead of open(),
> so that you can just use self.file.write(data)
>
> Alternatively, you can find out what sys.stdout.encoding is,
> and use that when encoding data for the terminal (falling back
> to "utf-8" when .encoding is not available on the file).
>
> > but other text, in which include "chinese characters" got from
> > os.listdir(...),  are written to the file OK. why?
>
> Your version of Windows uses a code page that supports Chinese
> characters in the byte-oriented character set. These are normally
> encoded using the "mbcs" encoding (except that the terminal likely
> uses a different encoding). So if you use "mbcs" instead of "utf-8",
> you might be able to read the text as well.
>
> Regards,
> Martin

Thanks a lot!
I want to just use the utf-8. how could I convert my 'mbcs' encoding
to the utf-8 and write it to the file?
I have replaced the open() to codecs.open()

but it still can not decode the 'mbcs', the error is as follow:

  File "E:\Tools\filegen\filegen.py", line 213, in write
    self.file.write(data)
  File "C:\Python25\lib\codecs.py", line 638, in write
    return self.writer.write(data)
  File "C:\Python25\lib\codecs.py", line 303, in write
    data, consumed = self.encode(object, self.errors)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xcc in position
32: ordinal
 not in range(128)