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Simplify code by using _accept
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parent
e2288356ca
commit
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@ -167,7 +167,7 @@ class IcnsFile:
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self.dct = dct = {}
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self.dct = dct = {}
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self.fobj = fobj
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self.fobj = fobj
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sig, filesize = nextheader(fobj)
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sig, filesize = nextheader(fobj)
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if sig != MAGIC:
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if not _accept(sig):
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raise SyntaxError("not an icns file")
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raise SyntaxError("not an icns file")
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i = HEADERSIZE
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i = HEADERSIZE
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while i < filesize:
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while i < filesize:
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@ -493,7 +493,7 @@ class ImageFileDirectory_v2(MutableMapping):
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endianness.
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endianness.
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:param prefix: Override the endianness of the file.
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:param prefix: Override the endianness of the file.
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"""
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"""
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if ifh[:4] not in PREFIXES:
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if not _accept(ifh):
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raise SyntaxError(f"not a TIFF file (header {repr(ifh)} not valid)")
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raise SyntaxError(f"not a TIFF file (header {repr(ifh)} not valid)")
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self._prefix = prefix if prefix is not None else ifh[:2]
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self._prefix = prefix if prefix is not None else ifh[:2]
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if self._prefix == MM:
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if self._prefix == MM:
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