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authorWaylan Limberg <waylan@gmail.com>2008-11-20 19:45:33 -0500
committerWaylan Limberg <waylan@gmail.com>2008-11-20 19:45:33 -0500
commit34666742ee4b5cb03f9a9f6297d5784f553d5346 (patch)
treec9e7ece5ba86bdc3adbf7150c25cd6f9b4ed0bdb /markdown_extensions/meta.py
parent517d38e552e91ebbe527a0286d43dd1daa585bcc (diff)
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Moved markdown_extensions/ to markdown/extensions. Markdown is now one package instead of two.
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diff --git a/markdown_extensions/meta.py b/markdown_extensions/meta.py
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-#!usr/bin/python
-
-"""
-Meta Data Extension for Python-Markdown
-=======================================
-
-This extension adds Meta Data handling to markdown.
-
-Basic Usage:
-
- >>> import markdown
- >>> text = '''Title: A Test Doc.
- ... Author: Waylan Limberg
- ... John Doe
- ... Blank_Data:
- ...
- ... The body. This is paragraph one.
- ... '''
- >>> md = markdown.Markdown(['meta'])
- >>> md.convert(text)
- u'<p>The body. This is paragraph one.</p>'
- >>> md.Meta
- {u'blank_data': [u''], u'author': [u'Waylan Limberg', u'John Doe'], u'title': [u'A Test Doc.']}
-
-Make sure text without Meta Data still works (markdown < 1.6b returns a <p>).
-
- >>> text = ' Some Code - not extra lines of meta data.'
- >>> md = markdown.Markdown(['meta'])
- >>> md.convert(text)
- u'<pre><code>Some Code - not extra lines of meta data.\\n</code></pre>'
- >>> md.Meta
- {}
-
-Copyright 2007-2008 [Waylan Limberg](http://achinghead.com).
-
-Project website: <http://www.freewisdom.org/project/python-markdown/Meta-Data>
-Contact: markdown@freewisdom.org
-
-License: BSD (see ../docs/LICENSE for details)
-
-"""
-
-import markdown, re
-
-# Global Vars
-META_RE = re.compile(r'^[ ]{0,3}(?P<key>[A-Za-z0-9_-]+):\s*(?P<value>.*)')
-META_MORE_RE = re.compile(r'^[ ]{4,}(?P<value>.*)')
-
-class MetaExtension (markdown.Extension):
- """ Meta-Data extension for Python-Markdown. """
-
- def extendMarkdown(self, md, md_globals):
- """ Add MetaPreprocessor to Markdown instance. """
-
- md.preprocessors.add("meta", MetaPreprocessor(md), "_begin")
-
-
-class MetaPreprocessor(markdown.Preprocessor):
- """ Get Meta-Data. """
-
- def run(self, lines):
- """ Parse Meta-Data and store in Markdown.Meta. """
- meta = {}
- key = None
- while 1:
- line = lines.pop(0)
- if line.strip() == '':
- break # blank line - done
- m1 = META_RE.match(line)
- if m1:
- key = m1.group('key').lower().strip()
- meta[key] = [m1.group('value').strip()]
- else:
- m2 = META_MORE_RE.match(line)
- if m2 and key:
- # Add another line to existing key
- meta[key].append(m2.group('value').strip())
- else:
- lines.insert(0, line)
- break # no meta data - done
- self.markdown.Meta = meta
- return lines
-
-
-def makeExtension(configs={}):
- return MetaExtension(configs=configs)
-
-if __name__ == "__main__":
- import doctest
- doctest.testmod()