The JPEG plug-in will seek the stream if it's an fd, so change to using an io.BytesIO.

This commit is contained in:
Alastair Houghton 2014-03-24 18:04:37 +00:00
parent 5f77c39090
commit 18f12b30aa

View File

@ -16,7 +16,7 @@
#
from PIL import Image, ImageFile, PngImagePlugin, Jpeg2KImagePlugin, _binary
import struct
import struct, io
i8 = _binary.i8
@ -103,7 +103,9 @@ def read_png_or_jpeg2000(fobj, start_length, size):
or sig == b'\x00\x00\x00\x0cjP \x0d\x0a\x87\x0a':
# j2k, jpc or j2c
fobj.seek(start)
im = Jpeg2KImagePlugin.Jpeg2KImageFile(fobj)
jp2kstream = fobj.read(length)
f = io.BytesIO(jp2kstream)
im = Jpeg2KImagePlugin.Jpeg2KImageFile(f)
if im.mode != 'RGBA':
im = im.convert('RGBA')
return {"RGBA": im}