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Make awesome reveal.js presentations with revelation

Project description

Revelation

PyPI PyPI - License PyPI - Python Version Build Status Coverage Status Code style: black

revelation is a cli tool that makes your reveal.js presentations nice and easy using markdown and serving it locally.

Features

  • Local presentation server to run your presentations even with no connection.
  • Boilerplate presentation creation with one command.
  • Custom css theming support.
  • Export to static html tool.
  • Browser live reload of the presentation at markdown change.

Installation

You can install it from the PyPI:

$ pip install revelation

Usage

Install/Update reveal.js files

The first thing that you will do after installing revelation is to download and install reveal.js to render the presentations.

To do that just run the installreveal command:

$ revelation installreveal

Running the Presentation

To start your presentation run:

$ revelation start PRESENTATION

The PRESENTATION is the path to the markdown presentation file.

Creating a new Presentation

To create a new presentation run:

$ revelation mkpresentation NAME

That will create a new presentation folder with the NAME passed.

Static Export

To export the presentation as static HTML content use the command:

$ revelation mkstatic PRESENTATION

The PRESENTATION is the path to the markdown presentation file.

PDF Export

Presentations can be exported to PDF via a special print stylesheet. This feature will be described using Google Chrome or Chromium, but I got the same results using Firefox.

  1. Run the presentation with revelation.
  2. Open your browser with the print-pdf as query string like : localhost:5000/?print-pdf.
  3. Open the in-browser print dialog (CTRL+P or CMD+P).
  4. Change the Destination setting to Save as PDF.
  5. Change the Layout to Landscape.
  6. Change the Margins to None.
  7. Enable the Background graphics option.
  8. Click Save.

Alternatively you can use the decktape project.

Share your presentation using Ngrok

You can easily share your presentation using Ngrok. Download it, and put the binary file at root. Then you can do :

$ ngrok http 5000

This assume 5000 is your localhost. ngrok will create a secure tunnel to your localhost :

ngrok by @inconshreveable                                              (Ctrl+C to quit)

Tunnel Status                 online
Version                       2.0.19/2.1.1
Web Interface                 http://127.0.0.1:4040
Forwarding                    http://323744c6.ngrok.io -> localhost:5000
Forwarding                    https://323744c6.ngrok.io -> localhost:5000

Connections                   ttl     opn     rt1     rt5     p50     p90
                              0       0       0.00    0.00    0.00    0.00

Presentation Setup

The revelation checks for three things on your presentation folder.

The 'slides.md' File

This is your presentation file written using markdown with some especial tags described on markdown section and is placed on your presentation root folder.

Split your slides by setting up a slide separator into REVEAL_CONFIG. Default separator is ---.

The 'media' folder

All images used on your presentation are placed inside the 'media' folder and referenced on your slides starting from your presentation root.

![Python Logo](img/python.png)

The 'theme' folder

You can create your custom theme file and place it inside a 'theme' folder and reference it at the configuration file.

The 'config.py' File

The configuration file are placed on the presentation root folder and is responsible to customize your presentation.

This file is optional and can the values above can be changed:

REVEAL_META: python dictionary with metadata from the presentation

REVEAL_META = {
    # Title of the slide
    'title': 'The title',

    # Author in the metadata of the slide
    'author': 'Some Author',

    # Description in the metadata of the slide
    'description': 'Some description'
}

REVEAL_THEME: string with reveal theme of choice

# Themes
# beige, black, blood, league, moon, night, serif, simple, sky,
# solarized, white
REVEAL_THEME = 'black'

REVEAL_CONFIG: python dictionary with the reveal.js configuration attributes but using python types (e.g.: true is python boolean True)

REVEAL_CONFIG = {
    # Slide separator
    'slideSep': '---',

    # Display controls in the bottom right corner
    'controls': True,

    # Display a presentation progress bar
    'progress': True,

    # Display the page number of the current slide
    'slideNumber': False,

    # Push each slide change to the browser history
    'history': True,

    # Enable keyboard shortcuts for navigation
    'keyboard': True,

    # Enable the slide overview mode
    'overview': True,

    # Vertical centering of slides
    'center': True,

    # Enables touch navigation on devices with touch input
    'touch': True,

    # Loop the presentation
    'loop': False,

    # Change the presentation direction to be RTL
    'rtl': False,

    # Turns fragments on and off globally
    'fragments': True,

    # Flags if the presentation is running in an embedded mode,
    # i.e. contained within a limited portion of the screen
    'embedded': False,

    # Flags if we should show a help overlay when the questionmark
    # key is pressed
    'help': True,

    # Flags if speaker notes should be visible to all viewers
    'showNotes': False,

    # Number of milliseconds between automatically proceeding to the
    # next slide, disabled when set to 0, this value can be overwritten
    # by using a data-autoslide attribute on your slides
    'autoSlide': 0,

    # Stop auto-sliding after user input
    'autoSlideStoppable': True,

    # Enable slide navigation via mouse wheel
    'mouseWheel': False,

    # Hides the address bar on mobile devices
    'hideAddressBar': True,

    # Opens links in an iframe preview overlay
    'previewLinks': False,

    # Transition style
    # default/cube/page/concave/zoom/linear/fade/none
    'transition': 'default',

    # Transition speed
    'transitionSpeed': 'default',  # default/fast/slow

    # Transition style for full page slide backgrounds
    # default/none/slide/concave/convex/zoom
    'backgroundTransition': 'default',

    # Number of slides away from the current that are visible
    'viewDistance': 3,

    # Parallax background image
    # e.g.:
    # "'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg'"
    'parallaxBackgroundImage': '',

    # Parallax background size
    'parallaxBackgroundSize': '',  # CSS syntax, e.g. "2100px 900px"

    # Amount to move parallax background (horizontal and vertical)
    # on slide change
    # Number, e.g. 100
    'parallaxBackgroundHorizontal': '',
    'parallaxBackgroundVertical': '',
}

Markdown

The markdown used on the presentation files support most of the GitHub Markdown and adds some especial html comment tags to edit styles and control effects that are explained on the reveal.js markdown docs.

Important: You can use all html tags on the presentation files, but some block tags can present unexpected behavior.

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