import plugins from core and restructure repo

gravatar/gravatar.py

@@ -0,0 +1,31 @@
+"""
+Gravatar plugin for Pelican
+===========================
+
+This plugin assigns the ``author_gravatar`` variable to the Gravatar URL and
+makes the variable available within the article's context.
+"""
+
+import hashlib
+import six
+
+from pelican import signals
+
+
+def add_gravatar(generator, metadata):
+
+    #first check email
+    if 'email' not in metadata.keys()\
+        and 'AUTHOR_EMAIL' in generator.settings.keys():
+            metadata['email'] = generator.settings['AUTHOR_EMAIL']
+
+    #then add gravatar url
+    if 'email' in metadata.keys():
+        email_bytes = six.b(metadata['email']).lower()
+        gravatar_url = "http://www.gravatar.com/avatar/" + \
+                        hashlib.md5(email_bytes).hexdigest()
+        metadata["author_gravatar"] = gravatar_url
+
+
+def register():
+    signals.article_generate_context.connect(add_gravatar)