added packaging info

this required restructuring the package to separate metadata from
functionality

.gitignore

@@ -0,0 +1 @@
+*.pyc

markdown_checklist/__init__.py

@@ -8,30 +8,6 @@
 [GitHub task lists](https://github.com/blog/1375-task-lists-in-gfm-issues-pulls-comments)
 """
 
-import re
-
-from markdown.extensions import Extension
-from markdown.preprocessors import Preprocessor
-
-
-class ChecklistExtension(Extension):
-
-    def extendMarkdown(self, md, md_globals):
-        md.preprocessors.add('checklist', ChecklistPreprocessor(md),
-                '<reference')
-
-
-class ChecklistPreprocessor(Preprocessor):
-
-    pattern = re.compile(r'^([*-]) \[([ Xx])\]')
-
-    def run(self, lines):
-        return [self._transform_line(line) for line in lines]
-
-    def _transform_line(self, line):
-        return self.pattern.sub(self._replacer, line)
-
-    def _replacer(self, match):
-        list_prefix, state = match.groups()
-        checked = ' checked' if state != ' ' else ''
-        return '%s <input type="checkbox" disabled%s>' % (list_prefix, checked)
+__version__ = '0.1.0'
+__author__ = 'FND'
+__license__ = 'MIT'

markdown_checklist/extension.py

@@ -0,0 +1,27 @@
+import re
+
+from markdown.extensions import Extension
+from markdown.preprocessors import Preprocessor
+
+
+class ChecklistExtension(Extension):
+
+    def extendMarkdown(self, md, md_globals):
+        md.preprocessors.add('checklist', ChecklistPreprocessor(md),
+                '<reference')
+
+
+class ChecklistPreprocessor(Preprocessor):
+
+    pattern = re.compile(r'^([*-]) \[([ Xx])\]')
+
+    def run(self, lines):
+        return [self._transform_line(line) for line in lines]
+
+    def _transform_line(self, line):
+        return self.pattern.sub(self._replacer, line)
+
+    def _replacer(self, match):
+        list_prefix, state = match.groups()
+        checked = ' checked' if state != ' ' else ''
+        return '%s <input type="checkbox" disabled%s>' % (list_prefix, checked)

setup.py

@@ -0,0 +1,32 @@
+import os
+
+from setuptools import setup, find_packages
+
+from markdown_checklist import (__version__ as VERSION, __author__ as AUTHOR,
+        __license__ as LICENSE, __doc__ as DESC)
+
+
+META = {
+    'name': 'markdown-checklist',
+    'url': 'https://github.com/FND/markdown-checklist',
+    'version': VERSION,
+    'description': 'Python Markdown extension for task lists with checkboxes',
+    'long_description': DESC.strip(),
+    'license': LICENSE,
+    'author': AUTHOR,
+    'author_email': '',
+    'maintainer': 'FND',
+    'packages': find_packages(exclude=['test']),
+    'platforms': 'Posix; MacOS X; Windows',
+    'include_package_data': True,
+    'zip_safe': False,
+    'install_requires': ['markdown'],
+    'extras_require': {
+        'testing': ['pytest'],
+        'coverage': ['figleaf', 'coverage']
+    }
+}
+
+
+if __name__ == '__main__':
+    setup(**META)

test/test_main.py

@@ -1,6 +1,6 @@
 import markdown
 
-from markdown_checklist import ChecklistExtension
+from markdown_checklist.extension import ChecklistExtension
 
 
 def test_checkbox():