Document classes, methods, modules.

1 files changed, 7 insertions, 1 deletions

diff --git a/src/mailman_pgp/model/address.py b/src/mailman_pgp/model/address.py
index 60c6e2f..1dc3840 100644
--- a/src/mailman_pgp/model/address.py
+++ b/src/mailman_pgp/model/address.py
@@ -15,7 +15,7 @@
 # You should have received a copy of the GNU General Public License along with
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
-""""""
+"""Model for PGP enabled addresses."""
 
 from os.path import exists, isfile, join
 
@@ -29,6 +29,8 @@ from mailman_pgp.model.base import Base
 
 
 class PGPAddress(Base):
+    """A PGP enabled address."""
+
     __tablename__ = 'pgp_addresses'
 
     id = Column(Integer, primary_key=True)
@@ -46,6 +48,8 @@ class PGPAddress(Base):
 
     @property
     def key(self):
+        if self.key_fingerprint is None:
+            return None
         if self._key is None:
             if exists(self.key_path) and isfile(self.key_path):
                 self._key, _ = PGPKey.from_file(self.key_path)
@@ -53,5 +57,7 @@ class PGPAddress(Base):
 
     @property
     def key_path(self):
+        if self.key_fingerprint is None:
+            return None
         return join(config.pgp.keydir_config['user_keydir'],
                     self.key_fingerprint + '.asc')