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Try to detect image based PDFs and give a more intelligent error message for them

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Kovid Goyal 2008-05-23 11:04:44 -07:00
parent 8793c335ac
commit 82a5116f38
1 changed files with 4 additions and 1 deletions
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5
src/calibre/ebooks/lrf/pdf/convert_from.py
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@ -41,7 +41,10 @@ def generate_html(pathtopdf, logger):
err = p.stderr.read() err = p.stderr.read()
raise ConversionError, err raise ConversionError, err
if not os.path.exists(index) or os.stat(index).st_size < 100: if not os.path.exists(index) or os.stat(index).st_size < 100:
raise ConversionError(os.path.basename(pathtopdf) + ' does not allow copying of text.') raise ConversionError(os.path.basename(pathtopdf) + _(' does not allow copying of text.'))
raw = open(index).read(4000)
if not '<br' in raw:
raise ConversionError(os.path.basename(pathtopdf) + _(' is an image based PDF. Only conversion of text based PDFs is supported.'))
finally: finally:
os.chdir(cwd) os.chdir(cwd)
return index return index