Added context manager when opening files in WalImageFile

This commit is contained in:
Andrew Murray 2016-11-26 11:29:20 +11:00
parent 06895b6fa4
commit 87de178e0b

View File

@ -47,33 +47,34 @@ def open(filename):
# FIXME: modify to return a WalImageFile instance instead of
# plain Image object ?
def imopen(fp):
# read header fields
header = fp.read(32+24+32+12)
size = i32(header, 32), i32(header, 36)
offset = i32(header, 40)
# load pixel data
fp.seek(offset)
im = Image.frombytes("P", size, fp.read(size[0] * size[1]))
im.putpalette(quake2palette)
im.format = "WAL"
im.format_description = "Quake2 Texture"
# strings are null-terminated
im.info["name"] = header[:32].split(b"\0", 1)[0]
next_name = header[56:56+32].split(b"\0", 1)[0]
if next_name:
im.info["next_name"] = next_name
return im
if hasattr(filename, "read"):
fp = filename
return imopen(filename)
else:
fp = builtins.open(filename, "rb")
# read header fields
header = fp.read(32+24+32+12)
size = i32(header, 32), i32(header, 36)
offset = i32(header, 40)
# load pixel data
fp.seek(offset)
im = Image.frombytes("P", size, fp.read(size[0] * size[1]))
im.putpalette(quake2palette)
im.format = "WAL"
im.format_description = "Quake2 Texture"
# strings are null-terminated
im.info["name"] = header[:32].split(b"\0", 1)[0]
next_name = header[56:56+32].split(b"\0", 1)[0]
if next_name:
im.info["next_name"] = next_name
return im
with builtins.open(filename, "rb") as fp:
return imopen(fp)
quake2palette = (
# default palette taken from piffo 0.93 by Hans Häggström