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Merge pull request #4076 from radarhere/loading
Do not seek if the file pointer is about to be closed
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commit
89c901a93f
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@ -1165,6 +1165,7 @@ class TiffImageFile(ImageFile.ImageFile):
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except ValueError:
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raise IOError("Couldn't set the image")
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close_self_fp = self._exclusive_fp and not self._is_animated
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if hasattr(self.fp, "getvalue"):
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# We've got a stringio like thing passed in. Yay for all in memory.
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# The decoder needs the entire file in one shot, so there's not
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@ -1182,7 +1183,8 @@ class TiffImageFile(ImageFile.ImageFile):
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# we've got a actual file on disk, pass in the fp.
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if DEBUG:
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print("have fileno, calling fileno version of the decoder.")
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self.fp.seek(0)
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if not close_self_fp:
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self.fp.seek(0)
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# 4 bytes, otherwise the trace might error out
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n, err = decoder.decode(b"fpfp")
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else:
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@ -1199,7 +1201,7 @@ class TiffImageFile(ImageFile.ImageFile):
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self.load_end()
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# libtiff closed the fp in a, we need to close self.fp, if possible
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if self._exclusive_fp and not self._is_animated:
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if close_self_fp:
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self.fp.close()
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self.fp = None # might be shared
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