Add the Creole Reader plugin

creole_reader/Readme.md

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+# Creole Reader
+
+This plugins allows you to write your posts using the wikicreole syntax. Give to
+these files the creole extension. The medata are between <<header>> <</header>>
+tags.
+
+## Syntax
+Use ** for strong, // for emphasis, one = for 1st level titles.
+
+For the complete syntax, look at: http://www.wikicreole.org/
+
+## Basic example
+```
+<<header>>
+title: Créole
+tags: creole, python, pelican_open
+date: 2013-12-12
+<</header>>
+
+= Title 1
+== Title 2
+
+Some nice texte with **strong** and //emphasis//.
+
+* A nice list
+** With subelements
+* Python
+
+# An ordered list
+# A second item
+```

creole_reader/__init__.py

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+from .creole_reader import *

creole_reader/creole_reader.py

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+#-*- conding: utf-8 -*-
+
+'''
+Creole Reader
+-------------
+
+This plugins allows you to write your posts using the wikicreole syntax. Give to
+these files the creole extension.
+For the syntax, look at: http://www.wikicreole.org/
+'''
+
+from pelican import readers
+from pelican import signals
+from pelican import settings
+
+from pelican.utils import pelican_open
+
+try:
+    from creole import creole2html
+    creole = True
+except ImportError:
+    creole = False
+
+class CreoleReader(readers.BaseReader):
+    enabled = creole
+
+    file_extensions = ['creole']
+
+    def __init__(self, settings):
+        super(CreoleReader, self).__init__(settings)
+
+    def _parse_header_macro(self, text):
+        for line in text.split('\n'):
+            name, value = line.split(':')
+            name, value = name.strip(), value.strip()
+            if name == 'title':
+                self._metadata[name] = value
+            else:
+                self._metadata[name] = self.process_metadata(name, value)
+        return u''
+
+    # You need to have a read method, which takes a filename and returns
+    # some content and the associated metadata.
+    def read(self, source_path):
+        """Parse content and metadata of creole files"""
+
+        self._metadata = {}
+        with pelican_open(source_path) as text:
+            content = creole2html(text, macros={'header': self._parse_header_macro})
+        return content, self._metadata
+
+def add_reader(readers):
+    readers.reader_classes['creole'] = CreoleReader
+
+def register():
+    signals.readers_init.connect(add_reader)