implemented github activity plugin

pelican/plugins/github_activity.py

@@ -0,0 +1,27 @@
+from pelican import signals
+from pelican.utils import singleton
+
+@singleton
+class GitHubActivity():
+    def __init__(self, generator):
+        try:
+            import feedparser
+            self.ga = feedparser.parse(
+                generator.settings['GITHUB_ACTIVITY_FEED'])
+        except ImportError:
+            raise Exception("unable to find feedparser")
+
+    def fetch(self):
+        return [activity['content'][0]['value'].strip()
+            for activity in self.ga['entries']]
+
+def add_github_activity(generator, metadata):
+    if 'GITHUB_ACTIVITY_FEED' in generator.settings.keys():
+
+        ga = GitHubActivity(generator)
+
+        ga_html_snippets = ga.fetch()
+        generator.context['github_activity'] = ga_html_snippets
+
+def register():
+    signals.article_generate_context.connect(add_github_activity)