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Avoid leaking file descriptors

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This change prevents img2pdf from opening *all* input files at once,
which means it now works with thousands of input files.
This commit is contained in:
Ryan C. Thompson 2014-11-05 23:46:47 -08:00
parent 0bdf6472f8
commit c76f1344a5
1 changed files with 4 additions and 2 deletions
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6
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)
im = open(imfilename, "rb")
rawdata = im.read() rawdata = im.read()
im.seek(0) im.seek(0)
try: try:
@ -295,7 +297,7 @@ 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'),