Bringing in upstream changes

1 files changed, 53 insertions, 0 deletions

diff --git a/scripts/md/render.py b/scripts/md/render.py
new file mode 100755
index 0000000..c634ea0
--- /dev/null
+++ b/scripts/md/render.py
@@ -0,0 +1,53 @@
+#!/opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin/python
+import codecs
+import re
+import jinja2
+import markdown
+
+def process_slides():
+  with codecs.open('../presentation.html', 'w', encoding='utf8') as outfile:
+    md = codecs.open('slides.md', encoding='utf8').read()
+    md_slides = md.split('\n---\n')
+    print 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, markdown)
+
+      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."""
+  return html
+
+if __name__ == '__main__':
+  process_slides()