[PYTHON IMAGE-SIG] Determining which formats are "loadable"

[Fred L. Drake]

  I'd like to be able to check to see if an image format is loadable
before performing any operations on it, mainly so I can check for
alternative formats.  If I have a MIME type, I can use Image.MIME
dictionary to get the format tag and then use Image.OPEN to determine
that a factory exists for the format, but that doesn't tell me that I
can actually load the data.
  Is there a way to determine whether an image format is loadable
before I actually retrieve the image data?
  Thanks!


  -Fred

--
Fred L. Drake, Jr.
fdrake@cnri.reston.va.us
Corporation for National Research Initiatives
1895 Preston White Drive
Reston, VA    20191-5434

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