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Seek relative to current position

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This commit is contained in:
Andrew Murray 2025-01-22 23:14:34 +11:00
parent 58dd4a7dac
commit 8a90975c14
3 changed files with 6 additions and 9 deletions
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5
src/PIL/BufrStubImagePlugin.py
View File

@ -10,6 +10,7 @@
#
from __future__ import annotations
import os
from typing import IO
from . import Image, ImageFile
@ -40,13 +41,11 @@ class BufrStubImageFile(ImageFile.StubImageFile):
format_description = "BUFR"
def _open(self) -> None:
offset = self.fp.tell()
if not _accept(self.fp.read(4)):
msg = "Not a BUFR file"
raise SyntaxError(msg)
self.fp.seek(offset)
self.fp.seek(-4, os.SEEK_CUR)
# make something up
self._mode = "F"

5
src/PIL/GribStubImagePlugin.py
View File

@ -10,6 +10,7 @@
#
from __future__ import annotations
import os
from typing import IO
from . import Image, ImageFile
@ -40,13 +41,11 @@ class GribStubImageFile(ImageFile.StubImageFile):
format_description = "GRIB"
def _open(self) -> None:
offset = self.fp.tell()
if not _accept(self.fp.read(8)):
msg = "Not a GRIB file"
raise SyntaxError(msg)
self.fp.seek(offset)
self.fp.seek(-8, os.SEEK_CUR)
# make something up
self._mode = "F"

5
src/PIL/Hdf5StubImagePlugin.py
View File

@ -10,6 +10,7 @@
#
from __future__ import annotations
import os
from typing import IO
from . import Image, ImageFile
@ -40,13 +41,11 @@ class HDF5StubImageFile(ImageFile.StubImageFile):
format_description = "HDF5"
def _open(self) -> None:
offset = self.fp.tell()
if not _accept(self.fp.read(8)):
msg = "Not an HDF file"
raise SyntaxError(msg)
self.fp.seek(offset)
self.fp.seek(-8, os.SEEK_CUR)
# make something up
self._mode = "F"