[reportlab-users] How can I edit PDF metadatas

[Dani Reguera]

Thanks a lot to everybody for your help.

I have used the pdfwr library and works well.

You can manage the metadatas and asign the new values in a simply and
effective way.

Thanks,

Dani

2009/12/1 Patrick Maupin <pmaupin at gmail.com>


> Glad to hear it!  It's fairly new software, so the more users, the

> quicker they will help me find all the bugs :-)

>

> Best regards,

> Pat

>

> On Tue, Dec 1, 2009 at 8:06 AM, Dani Reguera <dreguera at tagzania.com>

> wrote:

> > Thanks a lot Patrick!

> >

> > I have done with your example and works great!

> >

> >

> >

> > 2009/11/30 Patrick Maupin <pmaupin at gmail.com>

> >>

> >> I've added some new functionality, and an example that is more in line

> >> with the original request (to alter the title metadata in a

> >> preexisting PDF).  The required code is basically:

> >>

> >> trailer = PdfReader(inpfn)

> >> trailer.Info.Title = 'My New Title Goes Here'

> >> writer = PdfWriter()

> >> writer.trailer = trailer

> >> writer.write(outfn)

> >>

> >> The full example is at:

> >>

> >> http://code.google.com/p/pdfrw/source/browse/trunk/examples/alter.py

> >>

> >> Regards,

> >> Pat

> >>

> >> On Mon, Nov 30, 2009 at 11:33 AM, Patrick Maupin <pmaupin at gmail.com>

> >> wrote:

> >> > I second the thought that pdftk is easy to use (I use it all the

> >> > time), but if your source files are not encrypted and don't have PDF

> >> > 1.5 compressed object streams, my new pdfrw library might be easier to

> >> > use than pypdf.  For example, the way you can add metadata to the PDF

> >> > trailer dictionary is:

> >> >

> >> > writer.trailer.Info = IndirectPdfDict(

> >> >    Title = 'your title goes here',

> >> >    Author = 'your name goes here',

> >> >    Subject = 'what is it all about?',

> >> >    Creator = 'some script goes here',

> >> > )

> >> >

> >> > I have posted a complete working example:

> >> >

> >> >

> http://code.google.com/p/pdfrw/source/browse/trunk/examples/metadata.py

> >> >

> >> > Best regards,

> >> > Pat

> >> >

> >> >

> >> > On Mon, Nov 30, 2009 at 5:49 AM, Christian Jacobsen

> >> > <cljacobsen at gmail.com> wrote:

> >> >> You can also use pypdf. http://pybrary.net/pyPdf/

> >> >>

> >> >> This won't let you edit the metadata per se, but will let you read

> one

> >> >> or more pdf file(s) and spit them back out, possibly with new

> >> >> metadata. It is somewhat low level though. I find it useful for

> >> >> automatically putting PDFs together for various things. I have

> >> >> included an example below. I often also generate pages with

> replortlab

> >> >> (ie separators between the PDFs that I am concatenating) which I

> >> >> insert into the stream. I use the stringio module to capture the page

> >> >> from reportlab and then feed it to pypdf's PdfFileReader. I have also

> >> >> been known to stamp a running page number onto the pages by merging a

> >> >> reportlab generated page with just a pagenumber with the input page.

> >> >>

> >> >> pdftk does all of this of course and is probably easier to use.

> >> >>

> >> >>  Christian

> >> >>

> >> >>

> >> >> import pyPdf

> >> >> from pyPdf import PdfFileWriter, PdfFileReader

> >> >>

> >> >> OUTPUT = 'output.pdf'

> >> >> INPUTS  = ['test1.pdf', 'test2.pdf', 'test3.pdf']

> >> >>

> >> >> # There is no interface through pyPDF with which to set this other

> then

> >> >> getting

> >> >> # your hands dirty like so:

> >> >> infoDict = output._info.getObject()

> >> >> infoDict.update({

> >> >>    NameObject('/Title'): createStringObject(u'title'),

> >> >>    NameObject('/Author'): createStringObject(u'author'),

> >> >>    NameObject('/Subject'): createStringObject(u'subject'),

> >> >>    NameObject('/Creator'): createStringObject(u'a script')

> >> >>    })

> >> >>

> >> >> inputs = [PdfFileReader(i) for i in INPUTS]

> >> >> for input in inputs:

> >> >>    for page in range(input.getNumPages()):

> >> >>        output.addPage(input.getPage(page))

> >> >>

> >> >> outputStream = file(OUTPUT, 'wb')

> >> >> output.write(outputStream)

> >> >> outputStream.close()

> >> >>

> >> >>

> >> >> 2009/11/26 Andy Robinson <andy at reportlab.com>:

> >> >>> 2009/11/26 Dani Reguera <drbakhache at gmail.com>:

> >> >>>> Can I open the file with reportlab and then set its title?

> >> >>>

> >> >>> reportlab creates files, but doesn't edit them.

> >> >>>

> >> >>> pdftk is writing the final file. I just googled it, and it has

> options

> >> >>> to set the metadata on the command line.  See 'update_info' on this

> >> >>> page...

> >> >>>    http://www.accesspdf.com/pdftk/

> >> >>>

> >> >>> --

> >> >>> Andy Robinson

> >> >>> CEO/Chief Architect

> >> >>> ReportLab Europe Ltd.

> >> >>> _______________________________________________

> >> >>> reportlab-users mailing list

> >> >>> reportlab-users at lists2.reportlab.com

> >> >>> http://two.pairlist.net/mailman/listinfo/reportlab-users

> >> >>>

> >> >> _______________________________________________

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> >> >>

> >> >

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> >

> >

> >

> > --

> >

> > Dani Reguera

> > dreguera at tagzania.com

> >

> > Tagzania Services [www.tagzania-services.com]

> > Azitaingo Industrialdea 3 K

> > E-20600 Eibar

> > Tel: (+34) 943 82 17 80

> >

> > _______________________________________________

> > reportlab-users mailing list

> > reportlab-users at lists2.reportlab.com

> > http://two.pairlist.net/mailman/listinfo/reportlab-users

> >

> >

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>




-- 

Dani Reguera
dreguera at tagzania.com

Tagzania Services [www.tagzania-services.com]
Azitaingo Industrialdea 3 K
E-20600 Eibar
Tel: (+34) 943 82 17 80
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