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Newsgroups: comp.lang.python
Date: Thu, 13 Sep 2012 19:09:38 -0700 (PDT)
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Subject: Re: Least-lossy string.encode to us-ascii?
From: Mark Tolonen <metolone@gmail.com>
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Cc: python-list@python.org, Terry Reedy <tjreedy@udel.edu>
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Xref: csiph.com comp.lang.python:29100

On Thursday, September 13, 2012 4:53:13 PM UTC-7, Tim Chase wrote:
> On 09/13/12 18:36, Terry Reedy wrote:
>=20
> > On 9/13/2012 5:26 PM, Tim Chase wrote:
>=20
> >> I've got a bunch of text in Portuguese and to transmit them, need to
>=20
> >> have them in us-ascii (7-bit).  I'd like to keep as much information
>=20
> >> as possible,just stripping accents, cedillas, tildes, etc.
>=20
> >=20
>=20
> > 'keep as much information as possible' would mean an effectively=20
>=20
> > lossless transliteration, which you could do with a dict.
>=20
> > {<o-with-accent>: 'o', <c-cedilla>: 'c,' (or pick something that would=
=20
>=20
> > never occur in normal text of the sort you are transmitting), ...}
>=20
>=20
>=20
> Vlastimil's solution kept the characters but stripped them of their
>=20
> accents/tildes/cedillas/etc, doing just what I wanted, all using the
>=20
> stdlib.  Hard to do better than that :-)
>=20
>=20
>=20
> -tkc

How about using UTF-7 for transmission and decode on the other end?  This k=
eeps the transmission all 7-bit, and no loss.

    >>> s=3Du"servi=E7o m=F3vil".encode('utf-7')
    >>> print s
    servi+AOc-o m+APM-vil
    >>> print s.decode('utf-7')
    servi=E7o m=F3vil

-Mark