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Merge pull request #1864 from hdante/read-only-load

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Make ImageFile load images in read-only mode
This commit is contained in:
wiredfool 2016-04-29 21:26:13 +01:00
commit b3d78d7c36
1 changed files with 2 additions and 3 deletions
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PIL/ImageFile.py
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@ -163,10 +163,9 @@ class ImageFile(Image.Image):
else: else:
# use mmap, if possible # use mmap, if possible
import mmap import mmap
fp = open(self.filename, "r+") fp = open(self.filename, "r")
size = os.path.getsize(self.filename) size = os.path.getsize(self.filename)
# FIXME: on Unix, use PROT_READ etc self.map = mmap.mmap(fp.fileno(), size, access=mmap.ACCESS_READ)
self.map = mmap.mmap(fp.fileno(), size)
self.im = Image.core.map_buffer( self.im = Image.core.map_buffer(
self.map, self.size, d, e, o, a self.map, self.size, d, e, o, a
) )