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Original file line number | Diff line number | Diff line change |
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# | ||
# The Python Imaging Library | ||
# $Id$ | ||
# | ||
# FITS stub adapter | ||
# | ||
# Copyright (c) 1998-2003 by Fredrik Lundh | ||
# | ||
# See the README file for information on usage and redistribution. | ||
# | ||
|
||
import warnings | ||
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from . import FitsImagePlugin, Image, ImageFile | ||
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_handler = None | ||
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def register_handler(handler): | ||
""" | ||
Install application-specific FITS image handler. | ||
:param handler: Handler object. | ||
""" | ||
global _handler | ||
_handler = handler | ||
|
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warnings.warn( | ||
"FitsStubImagePlugin is deprecated and will be removed in Pillow " | ||
"10 (2023-07-01). FITS images can now be read without a handler through " | ||
"FitsImagePlugin instead.", | ||
DeprecationWarning, | ||
) | ||
|
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# Override FitsImagePlugin with this handler | ||
# for backwards compatibility | ||
try: | ||
Image.ID.remove(FITSStubImageFile.format) | ||
except ValueError: | ||
pass | ||
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Image.register_open( | ||
FITSStubImageFile.format, FITSStubImageFile, FitsImagePlugin._accept | ||
) | ||
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class FITSStubImageFile(ImageFile.StubImageFile): | ||
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format = FitsImagePlugin.FitsImageFile.format | ||
format_description = FitsImagePlugin.FitsImageFile.format_description | ||
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def _open(self): | ||
offset = self.fp.tell() | ||
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im = FitsImagePlugin.FitsImageFile(self.fp) | ||
self._size = im.size | ||
self.mode = im.mode | ||
self.tile = [] | ||
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self.fp.seek(offset) | ||
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loader = self._load() | ||
if loader: | ||
loader.open(self) | ||
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def _load(self): | ||
return _handler | ||
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def _save(im, fp, filename): | ||
raise OSError("FITS save handler not installed") | ||
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# -------------------------------------------------------------------- | ||
# Registry | ||
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Image.register_save(FITSStubImageFile.format, _save) |
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