3 files changed, 13 insertions, 1 deletions
diff --git a/src/mailman/interfaces/member.py b/src/mailman/interfaces/member.py
index a5e693411..fc635f21c 100644
--- a/src/mailman/interfaces/member.py
+++ b/src/mailman/interfaces/member.py
@@ -121,6 +121,9 @@ class NotAMemberError(MembershipError):
 class IMember(Interface):
     """A member of a mailing list."""
 
+    member_id = Attribute(
+        """The member's unique, random identifier (sha1 hex digest).""")
+
     mailing_list = Attribute(
         """The mailing list subscribed to.""")
 
diff --git a/src/mailman/interfaces/membership.py b/src/mailman/interfaces/membership.py
index fb3e0c6a2..ec5f9ea69 100644
--- a/src/mailman/interfaces/membership.py
+++ b/src/mailman/interfaces/membership.py
@@ -45,6 +45,15 @@ class ISubscriptionService(Interface):
         :rtype: list of `IMember`
         """
 
+    def get_member(member_id):
+        """Return a member record matching the member id.
+
+        :param member_id: A member id.
+        :type member_id: unicode
+        :return: The matching member, or None if no matching member is found.
+        :rtype: `IMember`
+        """
+
     def __iter__():
         """See `get_members()`."""
 
diff --git a/src/mailman/interfaces/user.py b/src/mailman/interfaces/user.py
index ceffec57f..46dd3ed63 100644
--- a/src/mailman/interfaces/user.py
+++ b/src/mailman/interfaces/user.py
@@ -54,7 +54,7 @@ class IUser(Interface):
         """This user's password information.""")
 
     user_id = Attribute(
-        """The user's unique, random, identifier (sha1 hex digest).""")
+        """The user's unique, random identifier (sha1 hex digest).""")
 
     created_on = Attribute(
         """The date and time at which this user was created.""")