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from converters.markdown import ConverterMarkdown
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import io
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import os
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class ConverterReveal(ConverterMarkdown):
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"""Convert a notebook to a html slideshow.
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It generates a static html slideshow based in markdown and reveal.js.
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You have four ways to delimit the the slides:
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##--- delimit horizontal slides
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##<<< open vertical slides
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##>>> close vertical slides
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##>>><<< close vertical slides and open new vertical slides.
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"""
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def __init__(self, infile, highlight_source=False, show_prompts=True,
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inline_prompt=True):
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super(ConverterMarkdown, self).__init__(infile)
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self.highlight_source = highlight_source
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self.show_prompts = show_prompts
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self.inline_prompt = inline_prompt
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def convert(self, cell_separator='\n'):
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"""
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Generic method to converts notebook to a string representation.
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This is accomplished by dispatching on the cell_type, so subclasses of
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Convereter class do not need to re-implement this method, but just
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need implementation for the methods that will be dispatched.
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Parameters
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----------
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cell_separator : string
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Character or string to join cells with. Default is "\n"
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Returns
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-------
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out : string
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"""
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lines = []
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lines.extend(self.optional_header())
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left = '<section data-markdown><script type="text/template">'
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right = '</script></section>'
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text = self.main_body(cell_separator)
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for i,j in enumerate(text):
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if j == u'##---':
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text[i] = right + left
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if j == u'##<<<':
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text[i] = right + '<section>' + left
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if j == u'##>>>':
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text[i] = right + '</section>' + left
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if j == u'##>>><<<':
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text[i] = right + '</section><section>' + left
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lines.extend(text)
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lines.extend(self.optional_footer())
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return u'\n'.join(lines)
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def save(self, outfile=None, encoding=None):
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"read and parse notebook into self.nb"
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if outfile is None:
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outfile = self.outbase + '_slides.' + 'html'
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if encoding is None:
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encoding = self.default_encoding
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with io.open(outfile, 'w', encoding=encoding) as f:
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f.write(self.output)
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return os.path.abspath(outfile)
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def optional_header(self):
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optional_header_body = [\
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'''
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<link rel="stylesheet" href="reveal/css/reveal.css">
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<link rel="stylesheet" href="reveal/css/theme/default.css" id="theme">
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<!-- For syntax highlighting -->
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<link rel="stylesheet" href="reveal/lib/css/zenburn.css">
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<!-- If the query includes 'print-pdf', use the PDF print sheet -->
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<script>
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document.write( '<link rel="stylesheet" href="reveal/css/print/' + ( window.location.search.match( /print-pdf/gi ) ? 'pdf' : 'paper' ) + '.css" type="text/css" media="print">' );
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</script>
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<!--[if lt IE 9]>
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<script src="reveal/lib/js/html5shiv.js"></script>
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<![endif]-->
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</head>
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<body><div class="reveal"><div class="slides">
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<section data-markdown><script type="text/template">
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''']
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return optional_header_body
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def optional_footer(self):
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optional_footer_body = [\
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'''
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</script></section>
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</div></div>
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<script src="reveal/lib/js/head.min.js"></script>
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<script src="reveal/js/reveal.min.js"></script>
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<script>
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// Full list of configuration options available here: https://github.com/hakimel/reveal.js#configuration
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Reveal.initialize({
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controls: true,
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progress: true,
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history: true,
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theme: Reveal.getQueryHash().theme || 'night', // available themes are in /css/theme
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transition: Reveal.getQueryHash().transition || 'linear', // default/cube/page/concave/zoom/linear/none
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// Optional libraries used to extend on reveal.js
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dependencies: [
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{ src: 'reveal/lib/js/classList.js', condition: function() { return !document.body.classList; } },
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{ src: 'reveal/plugin/markdown/showdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: 'reveal/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: 'reveal/plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
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{ src: 'reveal/plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
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{ src: 'reveal/plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } },
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{ src: 'https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS_HTML', async: true },
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{ src: 'js/revealmathjax.js', async: true}
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]
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});
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</script>
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<script>
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Reveal.addEventListener( 'slidechanged', function( event ) {
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MathJax.Hub.Rerender();
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});
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</script>
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</body>
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</html>
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''']
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return optional_footer_body
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