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)

pelican/signals.py

@@ -2,3 +2,4 @@ from blinker import signal
 
 initialized = signal('pelican_initialized')
 article_generate_context = signal('article_generate_context')
+github_activity = signal('github_activity')

pelican/utils.py

@@ -222,3 +222,15 @@ def files_changed(path, extensions):
         LAST_MTIME = mtime
         return True
     return False
+
+def singleton(cls):
+    """
+        Singleton decorator for multiple calls inside plugins
+        for an example see pelican/plugins/github_activity.py
+    """
+    instances = {}
+    def getinstance(*args, **kwargs):
+        if cls not in instances:
+            instances[cls] = cls(*args, **kwargs)
+        return instances[cls]
+    return getinstance