Berker Peksag 3dbdb061ea Improve mediagoblin._compat.py2_unicode.
- Encode obj.__repr__() to bytestring if its type is unicode in Python 2.
- Add internal encode_to_utf8() decorator.
- Do not raise an exception if a class does not have an __str__() method,
  just warn.
2014-08-15 18:57:48 +03:00

33 lines
968 B
Python

import functools
import warnings
import six
if six.PY3:
from email.mime.text import MIMEText
else:
from email.MIMEText import MIMEText
def encode_to_utf8(method):
def wrapper(self):
if six.PY2 and isinstance(method(self), six.text_type):
return method(self).encode('utf-8')
return method(self)
functools.update_wrapper(wrapper, method, ['__name__', '__doc__'])
return wrapper
# based on django.utils.encoding.python_2_unicode_compatible
def py2_unicode(klass):
if six.PY2:
if '__str__' not in klass.__dict__:
warnings.warn("@py2_unicode cannot be applied "
"to %s because it doesn't define __str__()." %
klass.__name__)
klass.__unicode__ = klass.__str__
klass.__str__ = encode_to_utf8(klass.__unicode__)
if '__repr__' in klass.__dict__:
klass.__repr__ = encode_to_utf8(klass.__repr__)
return klass