fix Envelope __[sg]etitem__

to actually work on self.headers as *list* of strings for each key.
this hasn't been a problem since these convenience methods are not
really uset at all atm..

1 files changed, 4 insertions, 2 deletions

diff --git a/alot/db/envelope.py b/alot/db/envelope.py
index 4db8f67b..9b79b22b 100644
--- a/alot/db/envelope.py
+++ b/alot/db/envelope.py
@@ -86,7 +86,9 @@ class Envelope(object):
 
         >>> envelope['Subject'] = u'sm\xf8rebr\xf8d'
         """
-        self.headers[name] = val
+        if name not in self.headers:
+            self.headers[name] = []
+        self.headers[name].append(val)
 
         if self.sent_time:
             self.modified_since_sent = True
@@ -95,7 +97,7 @@ class Envelope(object):
         """getter for header values.
         :raises: KeyError if undefined
         """
-        return self.headers[name]
+        return self.headers[name][0]
 
     def __delitem__(self, name):
         del(self.headers[name])