[Distutils] pkginfo python 3 port

[Tres Seaver]

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Barry Warsaw wrote:
> On May 27, 2010, at 10:25 AM, Sridhar Ratnakumar wrote:
> 
>> Is there a way to parse a RFC 822 message in Python 3?
> 
> If it's ASCII, you should have no problems using email.parser.Parser.

The issue is that its behavior is subtly different from the now-removed
rfc822 parser::

  $ /opt/Python-2.6.5/bin/python
  Python 2.6.5 (r265:79063, Apr  6 2010, 14:45:18)
  [GCC 4.3.3] on linux2
  Type "help", "copyright", "credits" or "license" for more information.
  >>> from StringIO import StringIO
  >>> with_multiline = StringIO("""\
  ... Description:  this is a multiline RFC 822
  ...               header.""")
  >>> from rfc822 import Message
  >>> rfc_msg = Message(with_multiline)
  >>> with_multiline.seek(0)
  >>> from email.parser import Parser
  >>> email_msg = Parser().parse(with_multiline)
  >>> rfc_msg.getheader('Description')
  'this is a multiline RFC 822\n header.'
  >>> email_msg.get('Description')
  'this is a multiline RFC 822\n              header.'



Tres.
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Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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