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Merge pull request #18 from DarwinAwardWinner/master

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Avoid leaking file descriptors and convert unrecognized colorspaces to RGB
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josch 2014-11-06 09:56:41 +01:00
commit f881a00c4b
1 changed files with 50 additions and 43 deletions
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15
src/img2pdf.py
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@ -204,7 +204,9 @@ def convert(images, dpi, x, y, title=None, author=None, creator=None, producer=N
pdf = pdfdoc(3, title, author, creator, producer, creationdate, pdf = pdfdoc(3, title, author, creator, producer, creationdate,
moddate, subject, keywords) moddate, subject, keywords)
for im in images: for imfilename in images:
debug_out("Reading %s"%imfilename, verbose)
with open(imfilename, "rb") as im:
rawdata = im.read() rawdata = im.read()
im.seek(0) im.seek(0)
try: try:
@ -263,8 +265,15 @@ def convert(images, dpi, x, y, title=None, author=None, creator=None, producer=N
else: else:
# because we do not support /CCITTFaxDecode # because we do not support /CCITTFaxDecode
if color == '1': if color == '1':
debug_out("Converting colorspace 1 to L", verbose)
imgdata = imgdata.convert('L') imgdata = imgdata.convert('L')
color = 'L' color = 'L'
elif color in ("RGB", "L"):
debug_out("Colorspace is OK: %s"%color, verbose)
else:
debug_out("Converting colorspace %s to RGB"%color, verbose)
imgdata = imgdata.convert('RGB')
color = imgdata.mode
imgdata = zlib.compress(imgdata.tostring()) imgdata = zlib.compress(imgdata.tostring())
# pdf units = 1/72 inch # pdf units = 1/72 inch
@ -277,8 +286,6 @@ def convert(images, dpi, x, y, title=None, author=None, creator=None, producer=N
pdf.addimage(color, width, height, imgformat, imgdata, pdf_x, pdf_y) pdf.addimage(color, width, height, imgformat, imgdata, pdf_x, pdf_y)
im.close()
return pdf.tostring() return pdf.tostring()
@ -295,7 +302,7 @@ def valid_date(string):
parser = argparse.ArgumentParser( parser = argparse.ArgumentParser(
description='Lossless conversion/embedding of images (in)to pdf') description='Lossless conversion/embedding of images (in)to pdf')
parser.add_argument( parser.add_argument(
'images', metavar='infile', type=argparse.FileType('rb'), 'images', metavar='infile', type=str,
nargs='+', help='input file(s)') nargs='+', help='input file(s)')
parser.add_argument( parser.add_argument(
'-o', '--output', metavar='out', type=argparse.FileType('wb'), '-o', '--output', metavar='out', type=argparse.FileType('wb'),