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An open source product for Plone to download or email a page seen by the user as a PDF file.

Project description


collective.sendaspdf is an open source product for Plone that allows downloading the page seen by the user as a PDF file. It also provide a form to send the page by e-mail (a screenshot of the current page in a PDF format being joined to the e-mail).

It relies on two products to generate the PDF files:

The site manager can easily chose which solution he prefers for the generation.


To install the package, you can simply add ‘collective.sendaspdf’ to the eggs list in your buildout. Then install it using Zope’s quick installer or Plone’s add-on products manager.

To install xhtml2pdf, add the following to your buildout eggs directory:


collective.sendaspdf has been tested with development versions of pisa and html5lib. With the latest releases (when writing this README - html5lib 0.9 and pisa 3.0.33) some pages could not be rendered.

To install wkhtmltopdf, go to the projects page and download an executable version for your OS. Install it so the command ‘wkhtmltopdf’ is in the PATH. You can also update your buildout to automatically download wkhtmltopdf and have it used by your instance using the following recipes:

parts =

zserver-threads = 7
environment-vars =
    WKHTMLTOPDF_PATH ${wkhtmltopdf:location}/wkhtmltopdf

recipe =
url =

recipe = collective.recipe.cmd
on_install = true
on_update = true
cmds =
     cd ${buildout:directory}/parts/wkhtmltopdf
     mv wkhtmltopdf-amd64 wkhtmltopdf
     chmod +x wkhtmltopdf

As you can see in this configuration, the zserver-threads number has been pushed to 7. This avoids troubles with threads locks when multiple PDFs are rendered at the same time. 7 threads work fine when rendering 5 PDFs of the same page at the same time.

You might have some changes to do depending on the architecture you are using (this example is for the amd64 architecture)


Go to the Plone control panel. You will find a ‘Send as PDF’ link that sends you to the products configuration page.

This page proposes a few settings:

  • the tool used to render the PDF files.
  • the directory where the PDF files are stored.
  • the sentence used as salt when hashing the user’s emails (this hash is used to know which files a user can access)
  • the name used in the mail for the PDF file.
  • a default title/body for the mails.
  • a list of browser for which the attachment name should not be given. Somehow, Chrome considers the PDF generated by the tool as potentially harmful for the computer if the attachment name is specified. Adding Chrome here avoids getting a warning.

For wkhtmltopdf user, two extra options are available:

  • always use the print CSS to render the PDF.
  • use the print CSS for a given set of objects.

xhtml2pdf always use the print CSS.


This product has been tested with Plone 3 and Plone 4. After version 2.5 (well, starting at 2.6), we’ll only ensure compatibility with Plone 4 (at least in the tests).

For developpers

You can find some extra doc in collective/sendaspdf/tests.adapter.txt. It explains how to define custom options in the request or with an adapter.


If you want to run the sendaspdf test suite, you need to add ‘pdfminer’ in the list of eggs in the buildout.

On Plone3, this is my configuration for running the tests (packages do not seem to be mandatory as the eggs are taken from the zeoclient section):

recipe = collective.recipe.z2testrunner
zope2part = zeoclient
packages =

And on Plone 4:

recipe = zc.recipe.testrunner
eggs =
defaults = ['--auto-color', '--auto-progress']
environment = environment



2.7 (2012-10-17)

  • added some more random in the temporary file generation to avoid issue with multiple concurrent runs. [vincent]
  • added a timeout on the subprocess + put stdout/err in TemporaryFile to avoid potential issues. [vincent]
  • raised number of zserver-threads in default buildout, that prevents the server locking. [vincent]
  • Added bootstrap/buildout based on collective/tutorial.todoapp ( [vincent]

2.6 (2012-06-15)

  • Updated Dutch translations. [Thom van Ledden]
  • fix generating local urls with anchors [Davide Moro]
  • Bugfix in update_relative_urls [Davide Moro]

2.5 (2012-03-29)

  • Fixed generating pdf name [kroman0]
  • Added possibility to add an adapter that will generate default options for PDF generation. Adapter must implement ISendAsPDFOptionsMaker. [vincent]
  • Added layout options when generating files with wkhtmlaspdf. Options available are: use book style, generate table of contents, margins. Those options can be overriden in download links. [vincent]
  • Added utility to replace relative URL and include images as data in the img tag. [vincent]
  • Enabled possibility to render table of contents and book style using GET arguments. [vincent]
  • Added Italian translation [giacomos]

2.4.2 (2011-12-09)

  • Bugfix is JS bindings to download the PDF, it now uses the correct context. [vincent]
  • Bugfix when the context title contains non-ascii characters. Zope does not accept those characters in set_header [vincent+Vladislav]

2.4.1 (2011-12-07)

  • Bugfix in TinyMCE loading with Plone 4. [vincent]
  • Bugfix when checking if the attachment name should be providen, ‘self.excluded_browser_attachment’ does not seem to work on every instances, used ‘self.getExcluded_browser_attachment()’ instead. [vincent]
  • Fixed test runners for Plone 4. [vincent]

2.4 (2011-11-22)

  • Added a setting in send as PDF tool so we can exclude some browser when forcing file name. This will mainly usefull for Chrome, as this one considers PDF generated with the tool as potentially harmful files. The same problem will certainly appear with Chromium. [vincent]
  • Display a file name based on the context’s title when downloading the page. [Giacomo Spettoli]
  • Added some functional tests. [vincent]
  • Don’t repeat POST parameters anymore. [vincent]

2.3.1 (2011-06-27)

  • Bugfix with Unicode (again) and Ajax. [vincent]

2.3 (2011-05-25)

  • Bugfix when not using secure mail host. [Yuri]
  • Bugfix with wk transforms for encoding. [Khairil Yusof]

2.2 (2011-04-05)

  • Fixed encoding to avoid being limitated to ASCII. [mauriziolupo]
  • Added a generic setup handler for sendaspdftool and import/export preferences. [mauriziolupo]

2.1.1 (2010-12-23)

  • added a target (sic :/) attributes on the link to preview the PDF so it opens in a new window. That’s prety ugly, but the fact is that if a user clicks on the link with IE and Acrobat reader installed, it will open the PDF in the same window. Hitting the ‘back’ button will display the page without the Ajax form. [vincent]
  • in the Ajax popup, we do not try to initialize tinymce is an error happenned. [vincent]
  • another IE bugfix due to an extra comma + CSS opacity fix [vincent]

2.1 (2010-12-15)

  • also added meta tag robots:noindex on the forms. [vincent]
  • Added header ‘X-Robots-Tag’: ‘noindex’ in downloaded file to avoid having it indexed by search engines. [vincent]
  • Bugfix when sumbitting the Ajax form with TinyMCE. [vincent]

2.0.1 (2010-11-11)

  • Bugfix in jquery.sendaspdf.js - removed one comma that was causing an error in IE. [vincent]

2.0 (2010-10-22)

  • compatibility fixes with Plone4. [vincent]
  • added Ajax version of “Download as PDF” link. [vincent]
  • added Ajax version of the “Send as PDF” link. [vincent]
  • Removed the ‘-C’ parameter. [yuri + vincent]

1.1 (2010-09-16)

  • when the PDF generation failed in the page to send by mail, we display an error page instead of failing. [vincent]
  • bugfix in send page - it was impossible to load the Wysiwyg for anonymous users. Stole some code from POI to solve it. [vincent]

1.0.3 (2010-08-02)

  • Fix broken release with missing files. (Now released with setuptools-git installed.) [mark]

1.0.2 (2010-08-02)

  • updated egg information in (author and description). [mark]

1.0.1 (2010-08-02)

  • translated the “download as PDF” action. [mark]
  • registered the translations so they are applied. [mark]

1.0 (2010-07-21)

  • added Dutch and French translations [vincent+mark]
  • added view to send by mail and download the page. [vincent]
  • added document actions to send the page by mail and download as pdf. [vincent]
  • Added sendaspdf tool to manage preferences. [vincent]

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