Re: PDF count pages

[davidb]

Andreas Lobinger wrote:
>
> Jose Benito Gonzalez Lopez wrote:
> > Does anyone know how I could do in order
> > to get/count the number of pages of a PDF file?
>
> Like this ?
[...]
>  >>> import pdffile
>  >>> pf = pdffile.pdffile('../rfc1950.pdf')
>  >>> import pages
>  >>> pp = pages.pages(pf)
>  >>> len(pp.pagelist)
[...]

That's interesting. Here's my equivalent example:

Python 2.3.3 (#1, May  2 2004, 15:04:07)
[GCC 3.2.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from pdftools import pdffile
>>> doc = pdffile.PDFDocument("PDFSPEC.pdf")
>>> doc.count_pages()
518

The API shown above is from an unreleased version of pdftools
(http://www.boddie.org.uk/david/Projects/Python/pdftools/).

> This is an example of the usage of pdfplayground. pdfplayground
> is available via sourceforge. There is no package at the
> moment, but you should be able to check out via anon-cvs.

I browsed the code in CVS and it looks like a pretty comprehensive
implementation. Maybe we should join forces.

David

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Re: PDF count pages

[davidb]

Andreas Lobinger wrote:
>
> Jose Benito Gonzalez Lopez wrote:
> > Does anyone know how I could do in order
> > to get/count the number of pages of a PDF file?
>
> Like this ?
[...]
>  >>> import pdffile
>  >>> pf = pdffile.pdffile('../rfc1950.pdf')
>  >>> import pages
>  >>> pp = pages.pages(pf)
>  >>> len(pp.pagelist)
[...]

That's interesting. Here's my equivalent example:

Python 2.3.3 (#1, May  2 2004, 15:04:07)
[GCC 3.2.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from pdftools import pdffile
>>> doc = pdffile.PDFDocument("PDFSPEC.pdf")
>>> doc.count_pages()
518

The API shown above is from an unreleased version of pdftools
(http://www.boddie.org.uk/david/Projects/Python/pdftools/).

> This is an example of the usage of pdfplayground. pdfplayground
> is available via sourceforge. There is no package at the
> moment, but you should be able to check out via anon-cvs.

I browsed the code in CVS and it looks like a pretty comprehensive
implementation. Maybe we should join forces.

David

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Re: Python, Perl & PDF files

[davidb]

Robin Becker wrote:
> rbt wrote:
> ..
> >
> > I just want to read PDF files in a portable way (windows, linux,
mac)
> > from within Python.
> >
> ..
>
> I suppose you mean extract PDF pages and do something with them.
> http://www.reportlab.com does have a tool that handles that in
> Python.
> It's not free though.

I imagine that you pay for a reasonable level of support.

> There are indeed a number of perl modules which do that and other
> modules which allow you to overprint etc etc.
>
> You can always hand translate one of the extract perl modules. They
> don't seem that hard. Alternatively put a good case to
> [EMAIL PROTECTED]

Before embarking on that route, it might be worth looking at this page:

  http://phaseit.net/claird/comp.text.pdf/PDF_converters.html

There's a link to a (surprisingly recent) snapshot of my own package,
that can be used to read some PDF files, and another highly
recommended module. In the interests of balance, if not completeness,
I should also mention PDF Playground which has better support for
reading and writing PDF files:

  http://sourceforge.net/projects/pdfplayground/

Maybe this should also be listed on the above resources page. Cameron?
Are you reading this? ;-)

David

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Re: scripting browsers from Python

[davidb]

Michele Simionato wrote:

> I would like to know what is available for scripting browsers from
> Python.
> For instance, webbrowser.open let me to perform GET requests, but I
> would like to do POST requests too. I don't want to use urllib to
> emulate a browser, I am interested in checking that browser X really
> works as intended with my application. Any suggestion?

For Konqueror running on KDE, you can use DCOP to control the browser.
There are a couple of different, but related, Python modules that you
can use to do this. See the following page for more information:

http://developer.kde.org/language-bindings/python/

I believe this approach has been used quite successfully with other
KDE applications:

http://www.kde-apps.org/content/show.php?content=18638

You should still be able to automate the browser with just popen2 and
the "dcop" command line tool if you are really desperate. I once had
to resort to this ad-hoc approach in the distant past but, these days,
I'd recommend one of the above modules instead.

David

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