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RTF metadata: Fix reading metadata from very small files

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Kovid Goyal 2010-01-17 20:12:54 -07:00
parent 96e32a2def
commit 547e984acc
1 changed files with 3 additions and 1 deletions
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4
src/calibre/ebooks/metadata/rtf.py
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@ -25,12 +25,14 @@ def get_document_info(stream):
while not found: while not found:
prefix = block[-6:] prefix = block[-6:]
block = prefix + stream.read(block_size) block = prefix + stream.read(block_size)
actual_block_size = len(block) - len(prefix)
if len(block) == len(prefix): if len(block) == len(prefix):
break break
idx = block.find(r'{\info') idx = block.find(r'{\info')
if idx >= 0: if idx >= 0:
found = True found = True
stream.seek(stream.tell() - block_size + idx - len(prefix)) pos = stream.tell() - actual_block_size + idx - len(prefix)
stream.seek(pos)
else: else:
if block.find(r'\sect') > -1: if block.find(r'\sect') > -1:
break break