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  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2013-01-31 20:49:20 UTC
  • mfrom: (1.1.4)
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130131204920-7tnuhqhlsqdza4c2
Rewrite build dependencies to allow cross builds.

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.pc/git-updates.diff/PIL/BufrStubImagePlugin.py
 
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#
 
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# The Python Imaging Library
 
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# $Id$
 
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#
 
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# BUFR stub adapter
 
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#
 
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# Copyright (c) 1996-2003 by Fredrik Lundh
 
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#
 
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# See the README file for information on usage and redistribution.
 
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#
 
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import Image, ImageFile
 
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_handler = None
 
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##
 
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# Install application-specific BUFR image handler.
 
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#
 
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# @param handler Handler object.
 
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def register_handler(handler):
 
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    global _handler
 
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    _handler = handler
 
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# --------------------------------------------------------------------
 
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# Image adapter
 
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def _accept(prefix):
 
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    return prefix[:4] == "BUFR" or prefix[:4] == "ZCZC"
 
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class BufrStubImageFile(ImageFile.StubImageFile):
 
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    format = "BUFR"
 
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    format_description = "BUFR"
 
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    def _open(self):
 
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        offset = self.fp.tell()
 
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        if not _accept(self.fp.read(8)):
 
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            raise SyntaxError("Not a BUFR file")
 
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        self.fp.seek(offset)
 
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        # make something up
 
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        self.mode = "F"
 
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        self.size = 1, 1
 
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        loader = self._load()
 
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        if loader:
 
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            loader.open(self)
 
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    def _load(self):
 
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        return _handler
 
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def _save(im, fp, filename):
 
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    if _handler is None or not hasattr("_handler", "save"):
 
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        raise IOError("BUFR save handler not installed")
 
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    _handler.save(im, fp, filename)
 
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# --------------------------------------------------------------------
 
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# Registry
 
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Image.register_open(BufrStubImageFile.format, BufrStubImageFile, _accept)
 
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Image.register_save(BufrStubImageFile.format, _save)
 
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Image.register_extension(BufrStubImageFile.format, ".bufr")