feed: Give defaults for _get_entry_name formatting data

We don't want to crash if the source feed is missing some data that
the user expects, or if the user just hasn't had the time to adjust
the name-format config.

Signed-off-by: W. Trevor King <wking@tremily.us>

diff --git a/rss2email/feed.py b/rss2email/feed.py
index 3835a45a5fc79befd31fcb83678d607a16962b7a..876b9c39039174f8d309f2d041d8e49af45e41c3 100644 (file)
--- a/rss2email/feed.py
+++ b/rss2email/feed.py
@@ -552,7 +552,12 @@ class Feed (object):
         """
         if not self.name_format:
             return ''
-        data = {'feed': self}
+        data = {
+            'feed': self,
+            'feed-title': '<feed title>',
+            'author': '<author>',
+            'publisher': '<publisher>',
+            }
         feed = parsed.feed
         data['feed-title'] = feed.get('title', '')
         for x in [entry, feed]: