Check the presence of the Email header

1 files changed, 11 insertions, 8 deletions

diff --git a/plugins/pelican_comments/pelican_comments.py b/plugins/pelican_comments/pelican_comments.py
index 3a75ba2..c1c1cc8 100644
--- a/plugins/pelican_comments/pelican_comments.py
+++ b/plugins/pelican_comments/pelican_comments.py
@@ -76,16 +76,19 @@ class CommentReader(object):
                 context=generator.context)
 
             if 'post_id' not in comment.metadata:
-                raise Exception("comment %s does not have a post_id" % (
-                    comment_filename, ))
+                raise Exception("comment %s does not have a post_id" %
+                                (comment_filename, ))
             self._comments[comment.metadata['post_id']].append(comment)
 
-            """
-            libravatar
-            """
-            email = comment.metadata['email'].encode('utf-8')
-            ahash = hashlib.md5(email.strip().lower()).hexdigest()
-            comment.avatar = "https://cdn.libravatar.org/avatar/%s" % (ahash)
+            # Libravatar
+            # Check the presence of the Email header
+            if 'email' in comment.metadata:
+                email = comment.metadata['email'].encode('utf-8')
+                ehash = hashlib.md5(email.strip().lower()).hexdigest()
+                comment.avatar = "https://cdn.libravatar.org/avatar/%s" % (ehash)
+            else:
+                raise Exception("comment %s does not have a email" %
+                                (comment_filename))
 
         for slug, comments in self._comments.items():
             comments.sort()