Re: Guessing the encoding from a BOM

Date	2014-01-16 12:50 -0600
From	Tim Chase <python.list@tim.thechases.com>
Subject	Re: Guessing the encoding from a BOM
References	<52d74063$0$29970$c3e8da3$5496439d@news.astraweb.com> <CALG+76f8z-06kHimsk3mMBY0bFKP9u4GSsmJxj9PGwQwjW=afg@mail.gmail.com> <CAPTjJmqyO0UHrq31510iNeoQ2TcrJnosV0A6oHQOt5i-gz3njA@mail.gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.5599.1389898160.18130.python-list@python.org> (permalink)

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On 2014-01-17 05:06, Chris Angelico wrote:
> > You might want to add the utf8 bom too: '\xEF\xBB\xBF'.  
> 
> I'd actually rather not. It would tempt people to pollute UTF-8
> files with a BOM, which is not necessary unless you are MS Notepad.

If the intent is to just sniff and parse the file accordingly, I get
enough of these junk UTF-8 BOMs at $DAY_JOB that I've had to create
utility-openers much like Steven is doing here.  It's particularly
problematic for me in combination with csv.DictReader, where I go
looking for $COLUMN_NAME and get KeyError exceptions because it wants
me to ask for $UTF_BOM+$COLUMN_NAME for the first column.

-tkc

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Guessing the encoding from a BOM Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-01-16 02:13 +0000
  Re: Guessing the encoding from a BOM Ben Finney <ben+python@benfinney.id.au> - 2014-01-16 14:47 +1100
    Re: Guessing the encoding from a BOM Steven D'Aprano <steve@pearwood.info> - 2014-01-16 06:55 +0000
      Re: Guessing the encoding from a BOM Ethan Furman <ethan@stoneleaf.us> - 2014-01-15 23:29 -0800
  Re: Guessing the encoding from a BOM Chris Angelico <rosuav@gmail.com> - 2014-01-16 16:01 +1100
    Re: Guessing the encoding from a BOM Steven D'Aprano <steve@pearwood.info> - 2014-01-16 06:45 +0000
  Re: Guessing the encoding from a BOM Ethan Furman <ethan@stoneleaf.us> - 2014-01-15 21:40 -0800
  Re: Guessing the encoding from a BOM Björn Lindqvist <bjourne@gmail.com> - 2014-01-16 19:01 +0100
  Re: Guessing the encoding from a BOM Chris Angelico <rosuav@gmail.com> - 2014-01-17 05:06 +1100
  Re: Guessing the encoding from a BOM Tim Chase <python.list@tim.thechases.com> - 2014-01-16 12:50 -0600

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