1 files changed, 14 insertions, 0 deletions

diff --git a/hyperkitty/lib/__init__.py b/hyperkitty/lib/__init__.py
new file mode 100644
index 0000000..aa5a3d9
--- /dev/null
+++ b/hyperkitty/lib/__init__.py
@@ -0,0 +1,14 @@
+#-*- coding: utf-8 -*-
+
+from hashlib import md5
+import urllib
+
+
+def gravatar_url(email):
+    '''Return a gravatar url for an email address'''
+    size = 64
+    default = "http://fedoraproject.org/static/images/" + \
+            "fedora_infinity_%ix%i.png" % (size, size)
+    query_string = urllib.urlencode({'s': size, 'd': default})
+    identifier = md5(email).hexdigest()
+    return 'http://www.gravatar.com/avatar/%s?%s' % (identifier, query_string)