[issue19063] Python 3.3.3 encodes emails containing non-ascii data as 7bit

[Florian Apolloner]

Florian Apolloner added the comment:

Using BytesGenerator I get:
>>> fp = BytesIO()
>>> g = BytesGenerator(fp)
>>> msg = MIMENonMultipart('text', 'plain')
>>> msg.set_payload('А Б В Г Д Е Ж Ѕ З И І К Л М Н О П.', cs)
>>> g.flatten(msg)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python3.3/email/generator.py", line 112, in flatten
    self._write(msg)
  File "/usr/lib/python3.3/email/generator.py", line 177, in _write
    self._dispatch(msg)
  File "/usr/lib/python3.3/email/generator.py", line 203, in _dispatch
    meth(msg)
  File "/usr/lib/python3.3/email/generator.py", line 421, in _handle_text
    super(BytesGenerator,self)._handle_text(msg)
  File "/usr/lib/python3.3/email/generator.py", line 233, in _handle_text
    self._write_lines(payload)
  File "/usr/lib/python3.3/email/generator.py", line 158, in _write_lines
    self.write(laststripped)
  File "/usr/lib/python3.3/email/generator.py", line 395, in write
    self._fp.write(s.encode('ascii', 'surrogateescape'))
UnicodeEncodeError: 'ascii' codec can't encode character '\u0410' in position 0: ordinal not in range(128)

But I might be using it wrong :/

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<http://bugs.python.org/issue19063>
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