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Trying and failing to set metadata on trimed pdfs

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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 import os, sys, shutil, re
from calibre.utils.config import Config, StringConfig from calibre.utils.config import Config, StringConfig
from pyPdf import PdfFileWriter, PdfFileReader from pyPdf import PdfFileWriter, PdfFileReader
from calibre.ebooks.metadata.pdf import set_metadata
from calibre.ebooks.metadata import MetaInformation
def config(defaults=None): def config(defaults=None):
desc = _('Options to control the transformation of pdf') 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', c.add_opt('verbose', ['-v', '--verbose'], default=0, action='count',
help=_('Be verbose, useful for debugging. Can be specified multiple times for greater verbosity.')) help=_('Be verbose, useful for debugging. Can be specified multiple times for greater verbosity.'))
c.add_opt('title', ['-t', '--title'], 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'], 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', c.add_opt('output', ['-o', '--output'],default='cropped.pdf',
help=_('Path to output file. By default a file is created in the current directory.')) 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, c.add_opt('bottom_left_x', [ '-x', '--leftx'], default=default_crop,
@ -49,8 +51,15 @@ def main(args=sys.argv):
parser = option_parser() parser = option_parser()
opts, args = parser.parse_args(args) opts, args = parser.parse_args(args)
source = os.path.abspath(args[1]) source = os.path.abspath(args[1])
output_pdf = PdfFileWriter()
input_pdf = PdfFileReader(file(source, "rb")) 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: if opts.bounding != None:
try: try:
bounding = open( opts.bounding , 'r' ) bounding = open( opts.bounding , 'r' )
@ -58,7 +67,11 @@ def main(args=sys.argv):
except: except:
print 'Error opening %s' % opts.bounding print 'Error opening %s' % opts.bounding
return 1 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() ): for page_number in range (0, input_pdf.getNumPages() ):
page = input_pdf.getPage(page_number) page = input_pdf.getPage(page_number)
if opts.bounding != None: if opts.bounding != None:
@ -77,8 +90,13 @@ def main(args=sys.argv):
bounding.close() bounding.close()
output_file = file(opts.output, "wb") output_file = file(opts.output, "wb")
output_pdf.write(output_file) output_pdf.write(output_file)
#mi = MetaInformation(_('Unknown'), [_('Unknown')])
#mi.title=title
#mi.author=author
#set_metadata(output_file, mi)
output_file.close() output_file.close()
return 0 return 0
if __name__ == '__main__': if __name__ == '__main__':