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Re: Guessing the encoding from a BOM

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Date Thu, 16 Jan 2014 16:01:56 +1100
Subject Re: Guessing the encoding from a BOM
From Chris Angelico <rosuav@gmail.com>
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On Thu, Jan 16, 2014 at 1:13 PM, Steven D'Aprano
<steve+comp.lang.python@pearwood.info> wrote:
>     if sig.startswith((b'\xFE\xFF', b'\xFF\xFE')):
>         return 'utf_16'
>     elif sig.startswith((b'\x00\x00\xFE\xFF', b'\xFF\xFE\x00\x00')):
>         return 'utf_32'

I'd swap the order of these two checks. If the file starts FF FE 00
00, your code will guess that it's UTF-16 and begins with a U+0000.

ChrisA

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Thread

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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