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Landslide

Overview

Generates a slideshow using the slides that power the html5-slides presentation.

demo

A sample slideshow is here.

News

10/19/10

Version 0.8.2 is tagged and pushed to pypi.

This release fixes some unicode and theme issues.

Thanks to Olivier Verdier, millette, and n1k0 (as always).

09/21/10

Version 0.8.1 is tagged and pushed to pypi.

This release fixes an issue in the "light" theme. The help and table of contents side bars were toggled on by default, but this has been fixed.

News

09/06/10

Version 0.8.0 is tagged and pushed to pypi. New features:

  • Added new light theme (agonzalezro) (#14)
  • Slide source files are now displayable in presentation (n1k0), press s to toggle
  • Press h to toggle a help sidebar
  • Greatly improved Restructured Text support
  • Themes will now fall back to the default theme for most missing files
  • Improved project file structure and pypi compatibility (harobed) (#15)
  • Fix for presentations with more than 48 slides (mtrythall and ipmb) (#17)
  • Many small bug fixes and other improvements

Many thanks to n1k0, agonzalezro, harobed, mtrythall, and ipmb for helping to make this release possible.

Also a big thanks to Lincoln Loop for supporting and using Landslide!!

News

07/15/10

Version 0.6.0 is tagged and pushed to pypi. New features:

  • Navigate your slideshow using arrow keys or the space bar
  • Press t to toggle a table of contents for your presentation
  • Press n to toggle slide number/source file visibility
  • Press 2 to toggle notes in your slides (specify with the .notes macro)
  • Press 3 to switch to 3D display (using latest WebKit versions)
  • ReST (Restructured Text) support. It's kind of experimental!
  • Theme support. Develop your own themes!
  • Macros. Easily add functionality to landslide slideshows!
  • Many bug fixes

06/24/10

  • Version 0.4.0 is tagged, and Landslide is on pypi.
  • Landslide installs as a command line script if you install it via easy_install or pip.

Features

  • Write your slide contents easily using the Markdown or ReStructuredText syntaxes
  • HTML5, Web based, stand-alone document (embedded local images), fancy transitions
  • PDF export (using PrinceXML if available)

Requirements

python and the following modules:

  • jinja2
  • pygments for code blocks syntax coloration

Eventually:

  • markdown if you use Markdown syntax for your slide contents
  • docutils if you use ReStructuredText syntax for your slide contents

Installation

The easiest way to install Landlside is probably using pip:

$ pip install landslide

Alternatively, you can use easy_install:

$ easy_install landslide

If you want to stay on the edge:

$ git clone https://github.com/adamzap/landslide.git
$ cd landslide
$ python setup.py build
$ sudo python setup.py install

Formatting

Markdown

  • Your Markdown source files must be suffixed by .md, .markdn, .mdown or .markdown
  • To create a title slide, render a single h1 element (eg. # My Title)
  • Separate your slides with a horizontal rule (--- in markdown) except at the end of md files
  • Your other slides should have a heading that renders to an h1 element
  • To highlight blocks of code, put !{lang} where {lang} is the pygment supported language identifier as the first indented line

ReStructuredText

  • Your ReST source files must be suffixed by .rst or .rest (.txt is not supported)
  • Use headings for slide titles
  • Separate your slides using an horizontal rule (---- in RST) except at the end of RST files

Rendering

  • Run landslide slides.md or landslide slides.rst
  • Enjoy your newly generated presentation.html

As a proof of concept, you can even transform this annoying README into a fancy presentation:

$ landslide README.md && open presentation.html

Or get it as a PDF document, at least if PrinceXML is installed and available on your system:

$ landslide README.md -d readme.pdf
$ open readme.pdf

Viewing

  • Press t to toggle display of help
  • Press left arrow and right arrow to navigate
  • Press t to toggle a table of contents for your presentation. Slide titles are links
  • Press ESC to display the presentation overview (Exposé)
  • Press n to toggle slide number visibility
  • Press c to toggle current slide context (previous and next slides)
  • Press e to make slides filling the whole available space within the document body
  • Press S to toggle display of link to the source file for each slide
  • Press '2' to toggle notes in your slides (specify with the .notes macro)
  • Press '3' to toggle pseudo-3D display (experimental)
  • Browser zooming is supported

Commandline Options

Several options are available using the command line:

-h, --help            show this help message and exit
-c, --copy-theme      Copy theme directory into current presentation source
                      directory
-b, --debug           Will display any exception trace to stdin
-d FILE, --destination=FILE
                      The path to the to the destination file: .html or .pdf
                      extensions allowed (default: presentation.html)
-e ENCODING, --encoding=ENCODING
                      The encoding of your files (defaults to utf8)
-i, --embed           Embed stylesheet and javascript contents,
                      base64-encoded images in presentation to make a
                      standalone document
-l LINENOS, --linenos=LINENOS
                      How to ouput linenos in source code. Three options
                      availables: no (no line numbers); inline (inside <pre>
                      tag); table (lines numbers in another cell, copy-paste
                      friendly)
-o, --direct-ouput    Prints the generated HTML code to stdin; won't work
                      with PDF export
-q, --quiet           Won't write anything to stdin (silent mode)
-r, --relative        Make your presentation asset links relative to current
                      pwd; This may be useful if you intend to publish your
                      html presentation online.
-t THEME, --theme=THEME
                      A theme name, or path to a landlside theme directory
-v, --verbose         Write informational messages to stdin (enabled by
                      default)
-x EXTENSIONS, --extensions=EXTENSIONS
                      Comma-separated list of extensions for Markdown

Presentation Configuration

Landslide allows to configure your presentation using a cfg configuration file, therefore easing the aggregation of source directories and the reuse of them accross presentations. Landslide configuration files use the cfg syntax. If you know ini files, you get the picture. Below is a sample configuration file:

[landslide]
theme  = /path/to/my/beautiful/theme
source = 0_my_first_slides.md
         a_directory
         another_directory
         now_a_slide.markdown
         another_one.rst
destination = myWonderfulPresentation.html
css =    my_first_stylesheet.css
         my_other_stylesheet.css
js =     jquery.js
         my_fancy_javascript.js
relative = True
linenos = inline

Please just don't forget to declare the [landslide] section. To generate the presentation as configured, just run:

$ cd /path/to/my/presentation/sources
$ landslide config.cfg

Macros

You can use macros to enhance your presentation:

Notes

Add notes to your slides using the .notes: keyword, eg.:

# My Slide Title

.notes: These are my notes, hidden by default

My visible content goes here

You can toggle display of notes by pressing the 2 key.

Some other macros are also available by default: .fx: foo bar will add the foo and bar classes to the corresponding slide <div> element, easing styling of your presentation using CSS.

Presenter Notes

You can also add presenter notes to each slide. Press the 'p' key to open the presenter view.

Registering Macros

so macros are used to transform the HTML contents of your slide.

You can register your own macros by creating landslide.macro.Macro derived classes, implementing a process(content, source=None) method and returning a tuple containing the modified contents and some css classes you may be wanting to add to your slide <div> element. For example:

!python
import landslide

class MyMacro(landslide.Macro):
  def process(self, content, source=None):
    return content + '<p>plop</p>', ['plopped_slide']

g = landslide.generator.Generator(source='toto.md')
g.register_macro(MyMacro)
print g.render()

This will render any slide as below:

!html
<div class="slide plopped_slide">
  <header><h2>foo</h2></header>
  <section>
    <p>my slide contents</p>
    <p>plop></p>
  </section>
</div>

Advanced Usage

Setting Custom Destination File

$ landslide slides.md -d ~/MyPresentations/KeynoteKiller.html

Working with Directories

$ landslide slides/

Working with Direct Output

$ landslide slides.md -o | tidy

Using an Alternate Landslide Theme

$ landslide slides.md -t mytheme
$ landslide slides.md -t /path/to/theme/dir

Embedding Base-64-Encoded Images

$ landslide slides.md -i

Exporting to PDF

$ landslide slides.md -d PowerpointIsDead.pdf

Theming

A Landslide theme is a directory following this simple structure:

mytheme/
|-- base.html
|-- css
|   |-- print.css
|   `-- screen.css
`-- js
    `-- slides.js

If a theme does not provide HTML and JS files, those from the default theme will be used. CSS is not optional.

Last, you can also copy the whole theme directory to your presentation one by passing the --copy-theme option to the landslide command:

$ landslide slides.md -t /path/to/some/theme --copy-theme

User stylesheets and Javascripts

If you don't want to bother making your own theme for tweaking up a bit your presentation style and/or add some interactivity using tiny bits of Javascript, you can include your own user css and js files to the generated presentation.

This feature is only available if you use a landslide configuration file, by setting the css and/or js flags:

[landslide]
theme  = /path/to/my/beautiful/theme
source = slides.mdown
css =    custom.css
js =     jquery.js
         powerpoint.js

These will link the custom.css stylesheet and both the jquery.js and powerpoint.js files within the <head> section of the presentation html file.

NOTE: Paths to the css and js files must be relative to the directory you're running the landslide command from.

Publishing your Presentation Online

If you intend to publish your HTML presentation online, you'll have to use the --relative option, as well as the --copy-theme one to have all asset links relative to the root of your presentation;

$ landslide slides.md --relative --copy-theme

That way, you'll just have to host the whole presentation directory to a webserver. Of course, no Python nor PHP nor anything else than a HTTP webserver (like Apache) is required to host a landslide presentation.

Check out a Landslide presentation customized this way.

Theme Variables

The base.html must be a Jinja2 template file where you can harness the following template variables:

  • css: the stylesheet contents, available via two keys, print and screen, both having:
    • a path_url key storing the url to the asset file path
    • a contents key storing the asset contents
  • js: the javascript contents, having:
    • a path_url key storing the url to the asset file path
    • a contents key storing the asset contents
  • slides: the slides list, each one having these properties:
    • header: the slide title
    • content: the slide contents
    • number: the slide number
  • embed: is the current document a standalone one?
  • num_slides: the number of slides in current presentation
  • toc: the Table of Contents, listing sections of the document. Each section has these properties available:
    • title: the section title
    • number: the slide number of the section
    • sub: subsections, if any

Styles Scope

  • To change HTML5 presentation styles, tweak the css/screen.css stylesheet bundled with the theme you are using
  • For PDF, modify the css/print.css

Authors

Original Author and Development Lead

Co-Author

Contributors

Authors

Base Template Authors and Contributors (html5-slides)