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Trying and failing to set metadata on trimed pdfs

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This commit is contained in:
Kovid Goyal 2009-01-08 11:56:05 -08:00
parent e162460189
commit 8e012bd529
1 changed files with 22 additions and 4 deletions
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26
src/calibre/ebooks/pdf/pdftrim.py
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@ -8,6 +8,8 @@ __docformat__ = 'restructuredtext en'
import os, sys, shutil, re
from calibre.utils.config import Config, StringConfig
from pyPdf import PdfFileWriter, PdfFileReader
from calibre.ebooks.metadata.pdf import set_metadata
from calibre.ebooks.metadata import MetaInformation
def config(defaults=None):
desc = _('Options to control the transformation of pdf')
@ -19,9 +21,9 @@ def config(defaults=None):
c.add_opt('verbose', ['-v', '--verbose'], default=0, action='count',
help=_('Be verbose, useful for debugging. Can be specified multiple times for greater verbosity.'))
c.add_opt('title', ['-t', '--title'],
help=_('Title for generated ebook. Default is to not change.'))
help=_('Title for generated ebook. Default is to not change, until our libraries are extended the title is lost.'))
c.add_opt('author', ['-a', '--author'],
help=_('Set the author in the metadata of the generated ebook. Default is not to change'))
help=_('Set the author in the metadata of the generated ebook. Default is not to change, until our libraries are extended the author is lost.'))
c.add_opt('output', ['-o', '--output'],default='cropped.pdf',
help=_('Path to output file. By default a file is created in the current directory.'))
c.add_opt('bottom_left_x', [ '-x', '--leftx'], default=default_crop,
@ -49,8 +51,15 @@ def main(args=sys.argv):
parser = option_parser()
opts, args = parser.parse_args(args)
source = os.path.abspath(args[1])
output_pdf = PdfFileWriter()
input_pdf = PdfFileReader(file(source, "rb"))
info = input_pdf.getDocumentInfo()
title = 'Unknown'
author = 'Unknown'
subject = 'Unknown'
if info.title:
title = info.title
author = info.author
subject = info.subject
if opts.bounding != None:
try:
bounding = open( opts.bounding , 'r' )
@ -58,7 +67,11 @@ def main(args=sys.argv):
except:
print 'Error opening %s' % opts.bounding
return 1
print opts.bounding
if opts.title != None:
title=opts.title
if opts.author != None:
author=opts.author
output_pdf = PdfFileWriter()
for page_number in range (0, input_pdf.getNumPages() ):
page = input_pdf.getPage(page_number)
if opts.bounding != None:
@ -77,8 +90,13 @@ def main(args=sys.argv):
bounding.close()
output_file = file(opts.output, "wb")
output_pdf.write(output_file)
#mi = MetaInformation(_('Unknown'), [_('Unknown')])
#mi.title=title
#mi.author=author
#set_metadata(output_file, mi)
output_file.close()
return 0
if __name__ == '__main__':