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#!/usr/bin/env python
import codecs
import re
import jinja2
import markdown
def process_slides():
with codecs.open('../../presentation-output.html', 'w', encoding='utf8') as outfile:
md = codecs.open('slides.md', encoding='utf8').read()
md_slides = md.split('\n---\n')
print 'Compiled %s slides.' % len(md_slides)
slides = []
# Process each slide separately.
for md_slide in md_slides:
slide = {}
sections = md_slide.split('\n\n')
# Extract metadata at the beginning of the slide (look for key: value)
# pairs.
metadata_section = sections[0]
metadata = parse_metadata(metadata_section)
slide.update(metadata)
remainder_index = metadata and 1 or 0
# Get the content from the rest of the slide.
content_section = '\n\n'.join(sections[remainder_index:])
html = markdown.markdown(content_section)
slide['content'] = postprocess_html(html, metadata)
slides.append(slide)
template = jinja2.Template(open('base.html').read())
outfile.write(template.render(locals()))
def parse_metadata(section):
"""Given the first part of a slide, returns metadata associated with it."""
metadata = {}
metadata_lines = section.split('\n')
for line in metadata_lines:
colon_index = line.find(':')
if colon_index != -1:
key = line[:colon_index].strip()
val = line[colon_index + 1:].strip()
metadata[key] = val
return metadata
def postprocess_html(html, metadata):
"""Returns processed HTML to fit into the slide template format."""
if metadata.get('build_lists') and metadata['build_lists'] == 'true':
html = html.replace('<ul>', '<ul class="build">')
html = html.replace('<ol>', '<ol class="build">')
return html
if __name__ == '__main__':
process_slides()
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