Re: Finding MIME type for a data stream

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From	Peter Otten <__peter__@web.de>
Subject	Re: Finding MIME type for a data stream
Date	Fri, 09 Mar 2012 11:50:04 +0100
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Tobiah wrote:

> I'm pulling image data from a database blob, and serving
> it from a web2py app.  I have to send the correct
> Content-Type header, so I need to detect the image type.
> 
> Everything that I've found on the web so far, needs a file
> name on the disk, but I only have the data.
> 
> It looks like the 'magic' package might be of use, but
> I can't find any documentation for it.

After some try-and-error and a look into example.py:

>>> m = magic.open(magic.MAGIC_MIME_TYPE)
>>> m.load()
0
>>> sample = open("tmp.png").read()
>>> m.buffer(sample)
'image/png'

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Thread

Finding MIME type for a data stream Tobiah <toby@tobiah.org> - 2012-03-08 13:55 -0800
  Re: Finding MIME type for a data stream Dave Angel <d@davea.name> - 2012-03-08 17:11 -0500
    Re: Finding MIME type for a data stream Tobiah <toby@tobiah.org> - 2012-03-08 14:28 -0800
      Re: Finding MIME type for a data stream Dave Angel <d@davea.name> - 2012-03-08 17:56 -0500
        Re: Finding MIME type for a data stream Tobiah <toby@tobiah.org> - 2012-03-08 15:40 -0800
          Re: Finding MIME type for a data stream Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-03-08 21:04 -0500
            Re: Finding MIME type for a data stream Tobiah <toby@tobiah.org> - 2012-03-09 08:40 -0800
          Re: Finding MIME type for a data stream Jon Clements <joncle@googlemail.com> - 2012-03-08 18:31 -0800
            Re: Finding MIME type for a data stream Tobiah <toby@tobiah.org> - 2012-03-09 09:53 -0800
    Re: Finding MIME type for a data stream Tobiah <toby@tobiah.org> - 2012-03-08 14:34 -0800
      Re: Finding MIME type for a data stream Irmen de Jong <irmen.NOSPAM@xs4all.nl> - 2012-03-09 03:12 +0100
        Re: Finding MIME type for a data stream Tobiah <toby@tobiah.org> - 2012-03-09 08:35 -0800
  Re: Finding MIME type for a data stream Peter Otten <__peter__@web.de> - 2012-03-09 11:50 +0100

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