Prevent encoding errors in Python
The problem is that your terminal/shell (cmd as your are on Windows) cannot print every Unicode character.
You can fail-safe encode your strings with the errors argument of the str.encode method. For example you can replace not supported chars with ? by setting errors='replace'.
>>> s = u'\u2019'>>> print sTraceback (most recent call last): File "<stdin>", line 1, in <module> File "C:\Python27\lib\encodings\cp850.py", line 12, in encode return codecs.charmap_encode(input,errors,encoding_map)UnicodeEncodeError: 'charmap' codec can\'t encode character u'\u2019' in position 0: character maps to <undefined>>>> print s.encode('cp850', errors='replace')?See the documentation for other options.
Edit If you want a general solution for the logging, you can subclass StreamHandler:
class CustomStreamHandler(logging.StreamHandler): def emit(self, record): record = record.encode('cp850', errors='replace') logging.StreamHandler.emit(self, record)