Merge pull request #32 from matrix-org/remove_parse_id_from_hs

Remove parse id from hs

35 files changed, 168 insertions, 179 deletions

diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index e31482cfaa..a342a0e0da 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -21,6 +21,7 @@ from synapse.api.constants import EventTypes, Membership, JoinRules
 from synapse.api.errors import AuthError, StoreError, Codes, SynapseError
 from synapse.util.logutils import log_function
 from synapse.util.async import run_on_reactor
+from synapse.types import UserID
 
 import logging
 
@@ -104,7 +105,7 @@ class Auth(object):
         for event in curr_state:
             if event.type == EventTypes.Member:
                 try:
-                    if self.hs.parse_userid(event.state_key).domain != host:
+                    if UserID.from_string(event.state_key).domain != host:
                         continue
                 except:
                     logger.warn("state_key not user_id: %s", event.state_key)
@@ -337,7 +338,7 @@ class Auth(object):
             user_info = {
                 "admin": bool(ret.get("admin", False)),
                 "device_id": ret.get("device_id"),
-                "user": self.hs.parse_userid(ret.get("name")),
+                "user": UserID.from_string(ret.get("name")),
             }
 
             defer.returnValue(user_info)
@@ -461,7 +462,7 @@ class Auth(object):
                             "You are not allowed to set others state"
                         )
                     else:
-                        sender_domain = self.hs.parse_userid(
+                        sender_domain = UserID.from_string(
                             event.user_id
                         ).domain
 
@@ -496,7 +497,7 @@ class Auth(object):
         # Validate users
         for k, v in user_list.items():
             try:
-                self.hs.parse_userid(k)
+                UserID.from_string(k)
             except:
                 raise SynapseError(400, "Not a valid user_id: %s" % (k,))
 
diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py
index f33d17a31e..1773fa20aa 100644
--- a/synapse/handlers/_base.py
+++ b/synapse/handlers/_base.py
@@ -19,6 +19,7 @@ from synapse.api.errors import LimitExceededError, SynapseError
 from synapse.util.async import run_on_reactor
 from synapse.crypto.event_signing import add_hashes_and_signatures
 from synapse.api.constants import Membership, EventTypes
+from synapse.types import UserID
 
 import logging
 
@@ -113,7 +114,7 @@ class BaseHandler(object):
 
         if event.type == EventTypes.Member:
             if event.content["membership"] == Membership.INVITE:
-                invitee = self.hs.parse_userid(event.state_key)
+                invitee = UserID.from_string(event.state_key)
                 if not self.hs.is_mine(invitee):
                     # TODO: Can we add signature from remote server in a nicer
                     # way? If we have been invited by a remote server, we need
@@ -134,7 +135,7 @@ class BaseHandler(object):
                 if k[0] == EventTypes.Member:
                     if s.content["membership"] == Membership.JOIN:
                         destinations.add(
-                            self.hs.parse_userid(s.state_key).domain
+                            UserID.from_string(s.state_key).domain
                         )
             except SynapseError:
                 logger.warn(
diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py
index 91fceda2ac..58e9a91562 100644
--- a/synapse/handlers/directory.py
+++ b/synapse/handlers/directory.py
@@ -19,6 +19,7 @@ from ._base import BaseHandler
 
 from synapse.api.errors import SynapseError, Codes, CodeMessageException
 from synapse.api.constants import EventTypes
+from synapse.types import RoomAlias
 
 import logging
 
@@ -122,7 +123,7 @@ class DirectoryHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def on_directory_query(self, args):
-        room_alias = self.hs.parse_roomalias(args["room_alias"])
+        room_alias = RoomAlias.from_string(args["room_alias"])
         if not self.hs.is_mine(room_alias):
             raise SynapseError(
                 400, "Room Alias is not hosted on this Home Server"
diff --git a/synapse/handlers/events.py b/synapse/handlers/events.py
index 103bc67c42..01e67b0818 100644
--- a/synapse/handlers/events.py
+++ b/synapse/handlers/events.py
@@ -17,6 +17,7 @@ from twisted.internet import defer
 
 from synapse.util.logcontext import PreserveLoggingContext
 from synapse.util.logutils import log_function
+from synapse.types import UserID
 
 from ._base import BaseHandler
 
@@ -48,7 +49,7 @@ class EventStreamHandler(BaseHandler):
     @log_function
     def get_stream(self, auth_user_id, pagin_config, timeout=0,
                    as_client_event=True):
-        auth_user = self.hs.parse_userid(auth_user_id)
+        auth_user = UserID.from_string(auth_user_id)
 
         try:
             if auth_user not in self._streams_per_user:
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 81203bf1a3..bcdcc90a18 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -28,6 +28,7 @@ from synapse.crypto.event_signing import (
     compute_event_signature, check_event_content_hash,
     add_hashes_and_signatures,
 )
+from synapse.types import UserID
 from syutil.jsonutil import encode_canonical_json
 
 from twisted.internet import defer
@@ -227,7 +228,7 @@ class FederationHandler(BaseHandler):
             extra_users = []
             if event.type == EventTypes.Member:
                 target_user_id = event.state_key
-                target_user = self.hs.parse_userid(target_user_id)
+                target_user = UserID.from_string(target_user_id)
                 extra_users.append(target_user)
 
             yield self.notifier.on_new_room_event(
@@ -236,7 +237,7 @@ class FederationHandler(BaseHandler):
 
         if event.type == EventTypes.Member:
             if event.membership == Membership.JOIN:
-                user = self.hs.parse_userid(event.state_key)
+                user = UserID.from_string(event.state_key)
                 yield self.distributor.fire(
                     "user_joined_room", user=user, room_id=event.room_id
                 )
@@ -491,7 +492,7 @@ class FederationHandler(BaseHandler):
         extra_users = []
         if event.type == EventTypes.Member:
             target_user_id = event.state_key
-            target_user = self.hs.parse_userid(target_user_id)
+            target_user = UserID.from_string(target_user_id)
             extra_users.append(target_user)
 
         yield self.notifier.on_new_room_event(
@@ -500,7 +501,7 @@ class FederationHandler(BaseHandler):
 
         if event.type == EventTypes.Member:
             if event.content["membership"] == Membership.JOIN:
-                user = self.hs.parse_userid(event.state_key)
+                user = UserID.from_string(event.state_key)
                 yield self.distributor.fire(
                     "user_joined_room", user=user, room_id=event.room_id
                 )
@@ -514,7 +515,7 @@ class FederationHandler(BaseHandler):
                 if k[0] == EventTypes.Member:
                     if s.content["membership"] == Membership.JOIN:
                         destinations.add(
-                            self.hs.parse_userid(s.state_key).domain
+                            UserID.from_string(s.state_key).domain
                         )
             except:
                 logger.warn(
@@ -565,7 +566,7 @@ class FederationHandler(BaseHandler):
             backfilled=False,
         )
 
-        target_user = self.hs.parse_userid(event.state_key)
+        target_user = UserID.from_string(event.state_key)
         yield self.notifier.on_new_room_event(
             event, extra_users=[target_user],
         )
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index f2a2f16933..6a1104a890 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -20,6 +20,7 @@ from synapse.api.errors import RoomError
 from synapse.streams.config import PaginationConfig
 from synapse.events.validator import EventValidator
 from synapse.util.logcontext import PreserveLoggingContext
+from synapse.types import UserID
 
 from ._base import BaseHandler
 
@@ -89,7 +90,7 @@ class MessageHandler(BaseHandler):
                 yield self.hs.get_event_sources().get_current_token()
             )
 
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         events, next_key = yield data_source.get_pagination_rows(
             user, pagin_config.get_source_config("room"), room_id
@@ -130,13 +131,13 @@ class MessageHandler(BaseHandler):
         if ratelimit:
             self.ratelimit(builder.user_id)
         # TODO(paul): Why does 'event' not have a 'user' object?
-        user = self.hs.parse_userid(builder.user_id)
+        user = UserID.from_string(builder.user_id)
         assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
 
         if builder.type == EventTypes.Member:
             membership = builder.content.get("membership", None)
             if membership == Membership.JOIN:
-                joinee = self.hs.parse_userid(builder.state_key)
+                joinee = UserID.from_string(builder.state_key)
                 # If event doesn't include a display name, add one.
                 yield self.distributor.fire(
                     "collect_presencelike_data",
@@ -237,7 +238,7 @@ class MessageHandler(BaseHandler):
             membership_list=[Membership.INVITE, Membership.JOIN]
         )
 
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         rooms_ret = []
 
@@ -316,7 +317,7 @@ class MessageHandler(BaseHandler):
 
         # TODO(paul): I wish I was called with user objects not user_id
         #   strings...
-        auth_user = self.hs.parse_userid(user_id)
+        auth_user = UserID.from_string(user_id)
 
         # TODO: These concurrently
         state_tuples = yield self.state_handler.get_current_state(room_id)
@@ -349,7 +350,7 @@ class MessageHandler(BaseHandler):
         for m in room_members:
             try:
                 member_presence = yield presence_handler.get_state(
-                    target_user=self.hs.parse_userid(m.user_id),
+                    target_user=UserID.from_string(m.user_id),
                     auth_user=auth_user,
                     as_event=True,
                 )
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 8aeed99274..d66bfea7b1 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -20,6 +20,7 @@ from synapse.api.constants import PresenceState
 
 from synapse.util.logutils import log_function
 from synapse.util.logcontext import PreserveLoggingContext
+from synapse.types import UserID
 
 from ._base import BaseHandler
 
@@ -96,22 +97,22 @@ class PresenceHandler(BaseHandler):
         self.federation.register_edu_handler(
             "m.presence_invite",
             lambda origin, content: self.invite_presence(
-                observed_user=hs.parse_userid(content["observed_user"]),
-                observer_user=hs.parse_userid(content["observer_user"]),
+                observed_user=UserID.from_string(content["observed_user"]),
+                observer_user=UserID.from_string(content["observer_user"]),
             )
         )
         self.federation.register_edu_handler(
             "m.presence_accept",
             lambda origin, content: self.accept_presence(
-                observed_user=hs.parse_userid(content["observed_user"]),
-                observer_user=hs.parse_userid(content["observer_user"]),
+                observed_user=UserID.from_string(content["observed_user"]),
+                observer_user=UserID.from_string(content["observer_user"]),
             )
         )
         self.federation.register_edu_handler(
             "m.presence_deny",
             lambda origin, content: self.deny_presence(
-                observed_user=hs.parse_userid(content["observed_user"]),
-                observer_user=hs.parse_userid(content["observer_user"]),
+                observed_user=UserID.from_string(content["observed_user"]),
+                observer_user=UserID.from_string(content["observer_user"]),
             )
         )
 
@@ -418,7 +419,7 @@ class PresenceHandler(BaseHandler):
         )
 
         for p in presence:
-            observed_user = self.hs.parse_userid(p.pop("observed_user_id"))
+            observed_user = UserID.from_string(p.pop("observed_user_id"))
             p["observed_user"] = observed_user
             p.update(self._get_or_offline_usercache(observed_user).get_state())
             if "last_active" in p:
@@ -441,7 +442,7 @@ class PresenceHandler(BaseHandler):
                 user.localpart, accepted=True
             )
             target_users = set([
-                self.hs.parse_userid(x["observed_user_id"]) for x in presence
+                UserID.from_string(x["observed_user_id"]) for x in presence
             ])
 
             # Also include people in all my rooms
@@ -646,7 +647,7 @@ class PresenceHandler(BaseHandler):
         deferreds = []
 
         for push in content.get("push", []):
-            user = self.hs.parse_userid(push["user_id"])
+            user = UserID.from_string(push["user_id"])
 
             logger.debug("Incoming presence update from %s", user)
 
@@ -694,7 +695,7 @@ class PresenceHandler(BaseHandler):
                 del self._user_cachemap[user]
 
         for poll in content.get("poll", []):
-            user = self.hs.parse_userid(poll)
+            user = UserID.from_string(poll)
 
             if not self.hs.is_mine(user):
                 continue
@@ -709,7 +710,7 @@ class PresenceHandler(BaseHandler):
             deferreds.append(self._push_presence_remote(user, origin))
 
         for unpoll in content.get("unpoll", []):
-            user = self.hs.parse_userid(unpoll)
+            user = UserID.from_string(unpoll)
 
             if not self.hs.is_mine(user):
                 continue
diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py
index 7777d3cc94..03b2159c53 100644
--- a/synapse/handlers/profile.py
+++ b/synapse/handlers/profile.py
@@ -18,6 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import SynapseError, AuthError, CodeMessageException
 from synapse.api.constants import EventTypes, Membership
 from synapse.util.logcontext import PreserveLoggingContext
+from synapse.types import UserID
 
 from ._base import BaseHandler
 
@@ -169,7 +170,7 @@ class ProfileHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def on_profile_query(self, args):
-        user = self.hs.parse_userid(args["user_id"])
+        user = UserID.from_string(args["user_id"])
         if not self.hs.is_mine(user):
             raise SynapseError(400, "User is not hosted on this Home Server")
 
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 6d0db18e51..edb96cec83 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -64,7 +64,7 @@ class RoomCreationHandler(BaseHandler):
         invite_list = config.get("invite", [])
         for i in invite_list:
             try:
-                self.hs.parse_userid(i)
+                UserID.from_string(i)
             except:
                 raise SynapseError(400, "Invalid user_id: %s" % (i,))
 
@@ -114,7 +114,7 @@ class RoomCreationHandler(BaseHandler):
                 servers=[self.hs.hostname],
             )
 
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
         creation_events = self._create_events_for_new_room(
             user, room_id, is_public=is_public
         )
@@ -246,11 +246,9 @@ class RoomMemberHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def get_room_members(self, room_id):
-        hs = self.hs
-
         users = yield self.store.get_users_in_room(room_id)
 
-        defer.returnValue([hs.parse_userid(u) for u in users])
+        defer.returnValue([UserID.from_string(u) for u in users])
 
     @defer.inlineCallbacks
     def fetch_room_distributions_into(self, room_id, localusers=None,
@@ -368,7 +366,7 @@ class RoomMemberHandler(BaseHandler):
             )
 
             if prev_state and prev_state.membership == Membership.JOIN:
-                user = self.hs.parse_userid(event.user_id)
+                user = UserID.from_string(event.user_id)
                 self.distributor.fire(
                     "user_left_room", user=user, room_id=event.room_id
                 )
@@ -412,7 +410,7 @@ class RoomMemberHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def _do_join(self, event, context, room_host=None, do_auth=True):
-        joinee = self.hs.parse_userid(event.state_key)
+        joinee = UserID.from_string(event.state_key)
         # room_id = RoomID.from_string(event.room_id, self.hs)
         room_id = event.room_id
 
@@ -476,7 +474,7 @@ class RoomMemberHandler(BaseHandler):
                 do_auth=do_auth,
             )
 
-        user = self.hs.parse_userid(event.user_id)
+        user = UserID.from_string(event.user_id)
         yield self.distributor.fire(
             "user_joined_room", user=user, room_id=room_id
         )
@@ -526,7 +524,7 @@ class RoomMemberHandler(BaseHandler):
                                     do_auth):
         yield run_on_reactor()
 
-        target_user = self.hs.parse_userid(event.state_key)
+        target_user = UserID.from_string(event.state_key)
 
         yield self.handle_new_client_event(
             event,
diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py
index cd9638dd04..c69787005f 100644
--- a/synapse/handlers/typing.py
+++ b/synapse/handlers/typing.py
@@ -18,6 +18,7 @@ from twisted.internet import defer
 from ._base import BaseHandler
 
 from synapse.api.errors import SynapseError, AuthError
+from synapse.types import UserID
 
 import logging
 
@@ -185,7 +186,7 @@ class TypingNotificationHandler(BaseHandler):
     @defer.inlineCallbacks
     def _recv_edu(self, origin, content):
         room_id = content["room_id"]
-        user = self.homeserver.parse_userid(content["user_id"])
+        user = UserID.from_string(content["user_id"])
 
         localusers = set()
 
diff --git a/synapse/rest/client/v1/admin.py b/synapse/rest/client/v1/admin.py
index 0aa83514c8..4aefb94053 100644
--- a/synapse/rest/client/v1/admin.py
+++ b/synapse/rest/client/v1/admin.py
@@ -16,6 +16,8 @@
 from twisted.internet import defer
 
 from synapse.api.errors import AuthError, SynapseError
+from synapse.types import UserID
+
 from base import RestServlet, client_path_pattern
 
 import logging
@@ -28,7 +30,7 @@ class WhoisRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
-        target_user = self.hs.parse_userid(user_id)
+        target_user = UserID.from_string(user_id)
         auth_user = yield self.auth.get_user_by_req(request)
         is_admin = yield self.auth.is_server_admin(auth_user)
 
diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py
index 7ff44fdd9e..1f33ec9e81 100644
--- a/synapse/rest/client/v1/directory.py
+++ b/synapse/rest/client/v1/directory.py
@@ -17,7 +17,8 @@
 from twisted.internet import defer
 
 from synapse.api.errors import AuthError, SynapseError, Codes
-from base import RestServlet, client_path_pattern
+from synapse.types import RoomAlias
+from .base import RestServlet, client_path_pattern
 
 import json
 import logging
@@ -35,7 +36,7 @@ class ClientDirectoryServer(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, room_alias):
-        room_alias = self.hs.parse_roomalias(room_alias)
+        room_alias = RoomAlias.from_string(room_alias)
 
         dir_handler = self.handlers.directory_handler
         res = yield dir_handler.get_association(room_alias)
@@ -53,7 +54,7 @@ class ClientDirectoryServer(RestServlet):
 
         logger.debug("Got content: %s", content)
 
-        room_alias = self.hs.parse_roomalias(room_alias)
+        room_alias = RoomAlias.from_string(room_alias)
 
         logger.debug("Got room name: %s", room_alias.to_string())
 
@@ -92,7 +93,7 @@ class ClientDirectoryServer(RestServlet):
 
         dir_handler = self.handlers.directory_handler
 
-        room_alias = self.hs.parse_roomalias(room_alias)
+        room_alias = RoomAlias.from_string(room_alias)
 
         yield dir_handler.delete_association(
             user.to_string(), room_alias
diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py
index ca4d2d21f0..22fcb7d7d0 100644
--- a/synapse/rest/client/v1/presence.py
+++ b/synapse/rest/client/v1/presence.py
@@ -18,7 +18,8 @@
 from twisted.internet import defer
 
 from synapse.api.errors import SynapseError
-from base import RestServlet, client_path_pattern
+from synapse.types import UserID
+from .base import RestServlet, client_path_pattern
 
 import json
 import logging
@@ -32,7 +33,7 @@ class PresenceStatusRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
         auth_user = yield self.auth.get_user_by_req(request)
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         state = yield self.handlers.presence_handler.get_state(
             target_user=user, auth_user=auth_user)
@@ -42,7 +43,7 @@ class PresenceStatusRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id):
         auth_user = yield self.auth.get_user_by_req(request)
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         state = {}
         try:
@@ -77,7 +78,7 @@ class PresenceListRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
         auth_user = yield self.auth.get_user_by_req(request)
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         if not self.hs.is_mine(user):
             raise SynapseError(400, "User not hosted on this Home Server")
@@ -97,7 +98,7 @@ class PresenceListRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_POST(self, request, user_id):
         auth_user = yield self.auth.get_user_by_req(request)
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         if not self.hs.is_mine(user):
             raise SynapseError(400, "User not hosted on this Home Server")
@@ -118,7 +119,7 @@ class PresenceListRestServlet(RestServlet):
                     raise SynapseError(400, "Bad invite value.")
                 if len(u) == 0:
                     continue
-                invited_user = self.hs.parse_userid(u)
+                invited_user = UserID.from_string(u)
                 yield self.handlers.presence_handler.send_invite(
                     observer_user=user, observed_user=invited_user
                 )
@@ -129,7 +130,7 @@ class PresenceListRestServlet(RestServlet):
                     raise SynapseError(400, "Bad drop value.")
                 if len(u) == 0:
                     continue
-                dropped_user = self.hs.parse_userid(u)
+                dropped_user = UserID.from_string(u)
                 yield self.handlers.presence_handler.drop(
                     observer_user=user, observed_user=dropped_user
                 )
diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py
index dc6eb424b0..39297930c8 100644
--- a/synapse/rest/client/v1/profile.py
+++ b/synapse/rest/client/v1/profile.py
@@ -16,7 +16,8 @@
 """ This module contains REST servlets to do with profile: /profile/<paths> """
 from twisted.internet import defer
 
-from base import RestServlet, client_path_pattern
+from .base import RestServlet, client_path_pattern
+from synapse.types import UserID
 
 import json
 
@@ -26,7 +27,7 @@ class ProfileDisplaynameRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         displayname = yield self.handlers.profile_handler.get_displayname(
             user,
@@ -37,7 +38,7 @@ class ProfileDisplaynameRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id):
         auth_user = yield self.auth.get_user_by_req(request)
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         try:
             content = json.loads(request.content.read())
@@ -59,7 +60,7 @@ class ProfileAvatarURLRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         avatar_url = yield self.handlers.profile_handler.get_avatar_url(
             user,
@@ -70,7 +71,7 @@ class ProfileAvatarURLRestServlet(RestServlet):
     @defer.inlineCallbacks
     def on_PUT(self, request, user_id):
         auth_user = yield self.auth.get_user_by_req(request)
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         try:
             content = json.loads(request.content.read())
@@ -92,7 +93,7 @@ class ProfileRestServlet(RestServlet):
 
     @defer.inlineCallbacks
     def on_GET(self, request, user_id):
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         displayname = yield self.handlers.profile_handler.get_displayname(
             user,
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 48bba2a5f3..42712d4a7c 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -20,6 +20,7 @@ from base import RestServlet, client_path_pattern
 from synapse.api.errors import SynapseError, Codes
 from synapse.streams.config import PaginationConfig
 from synapse.api.constants import EventTypes, Membership
+from synapse.types import UserID, RoomID, RoomAlias
 
 import json
 import logging
@@ -223,10 +224,10 @@ class JoinRoomAliasServlet(RestServlet):
         identifier = None
         is_room_alias = False
         try:
-            identifier = self.hs.parse_roomalias(room_identifier)
+            identifier = RoomAlias.from_string(room_identifier)
             is_room_alias = True
         except SynapseError:
-            identifier = self.hs.parse_roomid(room_identifier)
+            identifier = RoomID.from_string(room_identifier)
 
         # TODO: Support for specifying the home server to join with?
 
@@ -289,7 +290,7 @@ class RoomMemberListRestServlet(RestServlet):
 
         for event in members["chunk"]:
             # FIXME: should probably be state_key here, not user_id
-            target_user = self.hs.parse_userid(event["user_id"])
+            target_user = UserID.from_string(event["user_id"])
             # Presence is an optional cache; don't fail if we can't fetch it
             try:
                 presence_handler = self.handlers.presence_handler
@@ -478,7 +479,7 @@ class RoomTypingRestServlet(RestServlet):
         auth_user = yield self.auth.get_user_by_req(request)
 
         room_id = urllib.unquote(room_id)
-        target_user = self.hs.parse_userid(urllib.unquote(user_id))
+        target_user = UserID.from_string(urllib.unquote(user_id))
 
         content = _parse_json(request)
 
diff --git a/synapse/server.py b/synapse/server.py
index 476d809374..32013b1a91 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -26,7 +26,6 @@ from synapse.api.auth import Auth
 from synapse.handlers import Handlers
 from synapse.state import StateHandler
 from synapse.storage import DataStore
-from synapse.types import UserID, RoomAlias, RoomID, EventID
 from synapse.util import Clock
 from synapse.util.distributor import Distributor
 from synapse.util.lockutils import LockManager
@@ -124,30 +123,6 @@ class BaseHomeServer(object):
 
         setattr(BaseHomeServer, "get_%s" % (depname), _get)
 
-    # TODO: Why are these parse_ methods so high up along with other globals?
-    # Surely these should be in a util package or in the api package?
-
-    # Other utility methods
-    def parse_userid(self, s):
-        """Parse the string given by 's' as a User ID and return a UserID
-        object."""
-        return UserID.from_string(s)
-
-    def parse_roomalias(self, s):
-        """Parse the string given by 's' as a Room Alias and return a RoomAlias
-        object."""
-        return RoomAlias.from_string(s)
-
-    def parse_roomid(self, s):
-        """Parse the string given by 's' as a Room ID and return a RoomID
-        object."""
-        return RoomID.from_string(s)
-
-    def parse_eventid(self, s):
-        """Parse the string given by 's' as a Event ID and return a EventID
-        object."""
-        return EventID.from_string(s)
-
     def serialize_event(self, e, as_client_event=True):
         return serialize_event(self, e, as_client_event)
 
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py
index e59e65529b..c69dd995ce 100644
--- a/synapse/storage/roommember.py
+++ b/synapse/storage/roommember.py
@@ -20,6 +20,7 @@ from collections import namedtuple
 from ._base import SQLBaseStore
 
 from synapse.api.constants import Membership
+from synapse.types import UserID
 
 import logging
 
@@ -39,7 +40,7 @@ class RoomMemberStore(SQLBaseStore):
         """
         try:
             target_user_id = event.state_key
-            domain = self.hs.parse_userid(target_user_id).domain
+            domain = UserID.from_string(target_user_id).domain
         except:
             logger.exception(
                 "Failed to parse target_user_id=%s", target_user_id
@@ -84,7 +85,7 @@ class RoomMemberStore(SQLBaseStore):
             for e in member_events:
                 try:
                     joined_domains.add(
-                        self.hs.parse_userid(e.state_key).domain
+                        UserID.from_string(e.state_key).domain
                     )
                 except:
                     # FIXME: How do we deal with invalid user ids in the db?
diff --git a/tests/handlers/test_directory.py b/tests/handlers/test_directory.py
index 8e164e4be0..22119de46a 100644
--- a/tests/handlers/test_directory.py
+++ b/tests/handlers/test_directory.py
@@ -21,6 +21,7 @@ from mock import Mock
 
 from synapse.server import HomeServer
 from synapse.handlers.directory import DirectoryHandler
+from synapse.types import RoomAlias
 
 from tests.utils import SQLiteMemoryDbPool, MockKey
 
@@ -65,9 +66,9 @@ class DirectoryTestCase(unittest.TestCase):
 
         self.store = hs.get_datastore()
 
-        self.my_room = hs.parse_roomalias("#my-room:test")
-        self.your_room = hs.parse_roomalias("#your-room:test")
-        self.remote_room = hs.parse_roomalias("#another:remote")
+        self.my_room = RoomAlias.from_string("#my-room:test")
+        self.your_room = RoomAlias.from_string("#your-room:test")
+        self.remote_room = RoomAlias.from_string("#another:remote")
 
     @defer.inlineCallbacks
     def test_get_local_association(self):
diff --git a/tests/handlers/test_presence.py b/tests/handlers/test_presence.py
index 56e90177f1..5621a8afaf 100644
--- a/tests/handlers/test_presence.py
+++ b/tests/handlers/test_presence.py
@@ -17,7 +17,7 @@
 from tests import unittest
 from twisted.internet import defer, reactor
 
-from mock import Mock, call, ANY, NonCallableMock, patch
+from mock import Mock, call, ANY, NonCallableMock
 import json
 
 from tests.utils import (
@@ -31,6 +31,7 @@ from synapse.api.errors import SynapseError
 from synapse.handlers.presence import PresenceHandler, UserPresenceCache
 from synapse.streams.config import SourcePaginationConfig
 from synapse.storage.transactions import DestinationsTable
+from synapse.types import UserID
 
 OFFLINE = PresenceState.OFFLINE
 UNAVAILABLE = PresenceState.UNAVAILABLE
@@ -170,9 +171,9 @@ class PresenceTestCase(unittest.TestCase):
     @defer.inlineCallbacks
     def setUp_users(self, hs):
         # Some local users to test with
-        self.u_apple = hs.parse_userid("@apple:test")
-        self.u_banana = hs.parse_userid("@banana:test")
-        self.u_clementine = hs.parse_userid("@clementine:test")
+        self.u_apple = UserID.from_string("@apple:test")
+        self.u_banana = UserID.from_string("@banana:test")
+        self.u_clementine = UserID.from_string("@clementine:test")
 
         for u in self.u_apple, self.u_banana, self.u_clementine:
             yield self.datastore.create_presence(u.localpart)
@@ -182,10 +183,10 @@ class PresenceTestCase(unittest.TestCase):
         )
 
         # ID of a local user that does not exist
-        self.u_durian = hs.parse_userid("@durian:test")
+        self.u_durian = UserID.from_string("@durian:test")
 
         # A remote user
-        self.u_cabbage = hs.parse_userid("@cabbage:elsewhere")
+        self.u_cabbage = UserID.from_string("@cabbage:elsewhere")
 
 
 class MockedDatastorePresenceTestCase(PresenceTestCase):
@@ -250,16 +251,16 @@ class MockedDatastorePresenceTestCase(PresenceTestCase):
     @defer.inlineCallbacks
     def setUp_users(self, hs):
         # Some local users to test with
-        self.u_apple = hs.parse_userid("@apple:test")
-        self.u_banana = hs.parse_userid("@banana:test")
-        self.u_clementine = hs.parse_userid("@clementine:test")
-        self.u_durian = hs.parse_userid("@durian:test")
-        self.u_elderberry = hs.parse_userid("@elderberry:test")
-        self.u_fig = hs.parse_userid("@fig:test")
+        self.u_apple = UserID.from_string("@apple:test")
+        self.u_banana = UserID.from_string("@banana:test")
+        self.u_clementine = UserID.from_string("@clementine:test")
+        self.u_durian = UserID.from_string("@durian:test")
+        self.u_elderberry = UserID.from_string("@elderberry:test")
+        self.u_fig = UserID.from_string("@fig:test")
 
         # Remote user
-        self.u_onion = hs.parse_userid("@onion:farm")
-        self.u_potato = hs.parse_userid("@potato:remote")
+        self.u_onion = UserID.from_string("@onion:farm")
+        self.u_potato = UserID.from_string("@potato:remote")
 
         yield
 
diff --git a/tests/handlers/test_presencelike.py b/tests/handlers/test_presencelike.py
index 0584e4c8b9..3cdbb186ae 100644
--- a/tests/handlers/test_presencelike.py
+++ b/tests/handlers/test_presencelike.py
@@ -27,6 +27,7 @@ from synapse.server import HomeServer
 from synapse.api.constants import PresenceState
 from synapse.handlers.presence import PresenceHandler
 from synapse.handlers.profile import ProfileHandler
+from synapse.types import UserID
 
 
 OFFLINE = PresenceState.OFFLINE
@@ -136,12 +137,12 @@ class PresenceProfilelikeDataTestCase(unittest.TestCase):
                 lambda u: defer.succeed([]))
 
         # Some local users to test with
-        self.u_apple = hs.parse_userid("@apple:test")
-        self.u_banana = hs.parse_userid("@banana:test")
-        self.u_clementine = hs.parse_userid("@clementine:test")
+        self.u_apple = UserID.from_string("@apple:test")
+        self.u_banana = UserID.from_string("@banana:test")
+        self.u_clementine = UserID.from_string("@clementine:test")
 
         # Remote user
-        self.u_potato = hs.parse_userid("@potato:remote")
+        self.u_potato = UserID.from_string("@potato:remote")
 
         self.mock_get_joined = (
             self.datastore.get_rooms_for_user_where_membership_is
diff --git a/tests/handlers/test_profile.py b/tests/handlers/test_profile.py
index 25b172aa5e..7b9590c110 100644
--- a/tests/handlers/test_profile.py
+++ b/tests/handlers/test_profile.py
@@ -22,7 +22,7 @@ from mock import Mock, NonCallableMock
 from synapse.api.errors import AuthError
 from synapse.server import HomeServer
 from synapse.handlers.profile import ProfileHandler
-from synapse.api.constants import Membership
+from synapse.types import UserID
 
 from tests.utils import SQLiteMemoryDbPool, MockKey
 
@@ -71,9 +71,9 @@ class ProfileTestCase(unittest.TestCase):
 
         self.store = hs.get_datastore()
 
-        self.frank = hs.parse_userid("@1234ABCD:test")
-        self.bob   = hs.parse_userid("@4567:test")
-        self.alice = hs.parse_userid("@alice:remote")
+        self.frank = UserID.from_string("@1234ABCD:test")
+        self.bob   = UserID.from_string("@4567:test")
+        self.alice = UserID.from_string("@alice:remote")
 
         yield self.store.create_profile(self.frank.localpart)
 
diff --git a/tests/handlers/test_room.py b/tests/handlers/test_room.py
index d3253b48b8..9a23b3812d 100644
--- a/tests/handlers/test_room.py
+++ b/tests/handlers/test_room.py
@@ -15,12 +15,13 @@
 
 
 from twisted.internet import defer
-from tests import unittest
+from .. import unittest
 
 from synapse.api.constants import EventTypes, Membership
 from synapse.handlers.room import RoomMemberHandler, RoomCreationHandler
 from synapse.handlers.profile import ProfileHandler
 from synapse.server import HomeServer
+from synapse.types import UserID
 from ..utils import MockKey
 
 from mock import Mock, NonCallableMock
@@ -164,7 +165,7 @@ class RoomMemberHandlerTestCase(unittest.TestCase):
             event, context=context,
         )
         self.notifier.on_new_room_event.assert_called_once_with(
-            event, extra_users=[self.hs.parse_userid(target_user_id)]
+            event, extra_users=[UserID.from_string(target_user_id)]
         )
         self.assertFalse(self.datastore.get_room.called)
         self.assertFalse(self.datastore.store_room.called)
@@ -174,7 +175,7 @@ class RoomMemberHandlerTestCase(unittest.TestCase):
     def test_simple_join(self):
         room_id = "!foo:red"
         user_id = "@bob:red"
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         join_signal_observer = Mock()
         self.distributor.observe("user_joined_room", join_signal_observer)
@@ -252,7 +253,7 @@ class RoomMemberHandlerTestCase(unittest.TestCase):
     def test_simple_leave(self):
         room_id = "!foo:red"
         user_id = "@bob:red"
-        user = self.hs.parse_userid(user_id)
+        user = UserID.from_string(user_id)
 
         builder = self.hs.get_event_builder_factory().new({
             "type": EventTypes.Member,
diff --git a/tests/handlers/test_typing.py b/tests/handlers/test_typing.py
index 6a498b23a4..8a7fc028d1 100644
--- a/tests/handlers/test_typing.py
+++ b/tests/handlers/test_typing.py
@@ -27,6 +27,7 @@ from synapse.server import HomeServer
 from synapse.handlers.typing import TypingNotificationHandler
 
 from synapse.storage.transactions import DestinationsTable
+from synapse.types import UserID
 
 
 def _expect_edu(destination, edu_type, content, origin="test"):
@@ -153,11 +154,11 @@ class TypingNotificationsTestCase(unittest.TestCase):
         self.auth.check_joined_room = check_joined_room
 
         # Some local users to test with
-        self.u_apple = hs.parse_userid("@apple:test")
-        self.u_banana = hs.parse_userid("@banana:test")
+        self.u_apple = UserID.from_string("@apple:test")
+        self.u_banana = UserID.from_string("@banana:test")
 
         # Remote user
-        self.u_onion = hs.parse_userid("@onion:farm")
+        self.u_onion = UserID.from_string("@onion:farm")
 
     @defer.inlineCallbacks
     def test_started_typing_local(self):
diff --git a/tests/rest/client/v1/test_presence.py b/tests/rest/client/v1/test_presence.py
index 783720ac29..65d5cc4916 100644
--- a/tests/rest/client/v1/test_presence.py
+++ b/tests/rest/client/v1/test_presence.py
@@ -27,6 +27,7 @@ from synapse.handlers.presence import PresenceHandler
 from synapse.server import HomeServer
 from synapse.rest.client.v1 import presence
 from synapse.rest.client.v1 import events
+from synapse.types import UserID
 
 
 OFFLINE = PresenceState.OFFLINE
@@ -71,7 +72,7 @@ class PresenceStateTestCase(unittest.TestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(myid),
+                "user": UserID.from_string(myid),
                 "admin": False,
                 "device_id": None,
             }
@@ -90,7 +91,7 @@ class PresenceStateTestCase(unittest.TestCase):
 
         presence.register_servlets(hs, self.mock_resource)
 
-        self.u_apple = hs.parse_userid(myid)
+        self.u_apple = UserID.from_string(myid)
 
     @defer.inlineCallbacks
     def test_get_my_status(self):
@@ -161,12 +162,12 @@ class PresenceListTestCase(unittest.TestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(myid),
+                "user": UserID.from_string(myid),
                 "admin": False,
                 "device_id": None,
             }
 
-        room_member_handler = hs.handlers.room_member_handler = Mock(
+        hs.handlers.room_member_handler = Mock(
             spec=[
                 "get_rooms_for_user",
             ]
@@ -176,8 +177,8 @@ class PresenceListTestCase(unittest.TestCase):
 
         presence.register_servlets(hs, self.mock_resource)
 
-        self.u_apple = hs.parse_userid("@apple:test")
-        self.u_banana = hs.parse_userid("@banana:test")
+        self.u_apple = UserID.from_string("@apple:test")
+        self.u_banana = UserID.from_string("@banana:test")
 
     @defer.inlineCallbacks
     def test_get_my_list(self):
@@ -281,7 +282,7 @@ class PresenceEventStreamTestCase(unittest.TestCase):
         hs.get_clock().time_msec.return_value = 1000000
 
         def _get_user_by_req(req=None):
-            return hs.parse_userid(myid)
+            return UserID.from_string(myid)
 
         hs.get_auth().get_user_by_req = _get_user_by_req
 
@@ -322,8 +323,8 @@ class PresenceEventStreamTestCase(unittest.TestCase):
 
         self.presence = hs.get_handlers().presence_handler
 
-        self.u_apple = hs.parse_userid("@apple:test")
-        self.u_banana = hs.parse_userid("@banana:test")
+        self.u_apple = UserID.from_string("@apple:test")
+        self.u_banana = UserID.from_string("@banana:test")
 
     @defer.inlineCallbacks
     def test_shortpoll(self):
diff --git a/tests/rest/client/v1/test_profile.py b/tests/rest/client/v1/test_profile.py
index 5b5c3edc22..39cd68d829 100644
--- a/tests/rest/client/v1/test_profile.py
+++ b/tests/rest/client/v1/test_profile.py
@@ -24,6 +24,7 @@ from ....utils import MockHttpResource, MockKey
 
 from synapse.api.errors import SynapseError, AuthError
 from synapse.server import HomeServer
+from synapse.types import UserID
 
 from synapse.rest.client.v1 import profile
 
@@ -57,7 +58,7 @@ class ProfileTestCase(unittest.TestCase):
         )
 
         def _get_user_by_req(request=None):
-            return hs.parse_userid(myid)
+            return UserID.from_string(myid)
 
         hs.get_auth().get_user_by_req = _get_user_by_req
 
diff --git a/tests/rest/client/v1/test_rooms.py b/tests/rest/client/v1/test_rooms.py
index 12f8040541..76ed550b75 100644
--- a/tests/rest/client/v1/test_rooms.py
+++ b/tests/rest/client/v1/test_rooms.py
@@ -22,13 +22,10 @@ import synapse.rest.client.v1.room
 from synapse.api.constants import Membership
 
 from synapse.server import HomeServer
+from synapse.types import UserID
 
-from tests import unittest
-
-# python imports
 import json
 import urllib
-import types
 
 from ....utils import MockHttpResource, SQLiteMemoryDbPool, MockKey
 from .utils import RestTestCase
@@ -70,7 +67,7 @@ class RoomPermissionsTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -466,7 +463,7 @@ class RoomsMemberListTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -555,7 +552,7 @@ class RoomsCreateTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -657,7 +654,7 @@ class RoomTopicTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -773,7 +770,7 @@ class RoomMemberStateTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -909,7 +906,7 @@ class RoomMessagesTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -1013,7 +1010,7 @@ class RoomInitialSyncTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -1028,7 +1025,7 @@ class RoomInitialSyncTestCase(RestTestCase):
         # Since I'm getting my own presence I need to exist as far as presence
         # is concerned.
         hs.get_handlers().presence_handler.registered_user(
-            hs.parse_userid(self.user_id)
+            UserID.from_string(self.user_id)
         )
 
         # create the room
diff --git a/tests/rest/client/v1/test_typing.py b/tests/rest/client/v1/test_typing.py
index 647bcebfd8..c89b37d004 100644
--- a/tests/rest/client/v1/test_typing.py
+++ b/tests/rest/client/v1/test_typing.py
@@ -20,6 +20,7 @@ from twisted.internet import defer
 
 import synapse.rest.client.v1.room
 from synapse.server import HomeServer
+from synapse.types import UserID
 
 from ....utils import MockHttpResource, MockClock, SQLiteMemoryDbPool, MockKey
 from .utils import RestTestCase
@@ -69,7 +70,7 @@ class RoomTypingTestCase(RestTestCase):
 
         def _get_user_by_token(token=None):
             return {
-                "user": hs.parse_userid(self.auth_user_id),
+                "user": UserID.from_string(self.auth_user_id),
                 "admin": False,
                 "device_id": None,
             }
@@ -82,7 +83,7 @@ class RoomTypingTestCase(RestTestCase):
 
         def get_room_members(room_id):
             if room_id == self.room_id:
-                return defer.succeed([hs.parse_userid(self.user_id)])
+                return defer.succeed([UserID.from_string(self.user_id)])
             else:
                 return defer.succeed([])
 
diff --git a/tests/storage/test_directory.py b/tests/storage/test_directory.py
index e9c242cc07..bc9ebf35e2 100644
--- a/tests/storage/test_directory.py
+++ b/tests/storage/test_directory.py
@@ -19,6 +19,7 @@ from twisted.internet import defer
 
 from synapse.server import HomeServer
 from synapse.storage.directory import DirectoryStore
+from synapse.types import RoomID, RoomAlias
 
 from tests.utils import SQLiteMemoryDbPool
 
@@ -37,8 +38,8 @@ class DirectoryStoreTestCase(unittest.TestCase):
 
         self.store = DirectoryStore(hs)
 
-        self.room = hs.parse_roomid("!abcde:test")
-        self.alias = hs.parse_roomalias("#my-room:test")
+        self.room = RoomID.from_string("!abcde:test")
+        self.alias = RoomAlias.from_string("#my-room:test")
 
     @defer.inlineCallbacks
     def test_room_to_alias(self):
diff --git a/tests/storage/test_presence.py b/tests/storage/test_presence.py
index 9655d3cf42..1ab193736b 100644
--- a/tests/storage/test_presence.py
+++ b/tests/storage/test_presence.py
@@ -19,6 +19,7 @@ from twisted.internet import defer
 
 from synapse.server import HomeServer
 from synapse.storage.presence import PresenceStore
+from synapse.types import UserID
 
 from tests.utils import SQLiteMemoryDbPool, MockClock
 
@@ -37,8 +38,8 @@ class PresenceStoreTestCase(unittest.TestCase):
 
         self.store = PresenceStore(hs)
 
-        self.u_apple = hs.parse_userid("@apple:test")
-        self.u_banana = hs.parse_userid("@banana:test")
+        self.u_apple = UserID.from_string("@apple:test")
+        self.u_banana = UserID.from_string("@banana:test")
 
     @defer.inlineCallbacks
     def test_state(self):
diff --git a/tests/storage/test_profile.py b/tests/storage/test_profile.py
index 5d36723c28..84381241bc 100644
--- a/tests/storage/test_profile.py
+++ b/tests/storage/test_profile.py
@@ -19,6 +19,7 @@ from twisted.internet import defer
 
 from synapse.server import HomeServer
 from synapse.storage.profile import ProfileStore
+from synapse.types import UserID
 
 from tests.utils import SQLiteMemoryDbPool
 
@@ -36,7 +37,7 @@ class ProfileStoreTestCase(unittest.TestCase):
 
         self.store = ProfileStore(hs)
 
-        self.u_frank = hs.parse_userid("@frank:test")
+        self.u_frank = UserID.from_string("@frank:test")
 
     @defer.inlineCallbacks
     def test_displayname(self):
diff --git a/tests/storage/test_redaction.py b/tests/storage/test_redaction.py
index 9806fbc69b..0713dfab64 100644
--- a/tests/storage/test_redaction.py
+++ b/tests/storage/test_redaction.py
@@ -19,6 +19,7 @@ from twisted.internet import defer
 
 from synapse.server import HomeServer
 from synapse.api.constants import EventTypes, Membership
+from synapse.types import UserID, RoomID
 
 from tests.utils import SQLiteMemoryDbPool, MockKey
 
@@ -48,10 +49,10 @@ class RedactionTestCase(unittest.TestCase):
         self.handlers = hs.get_handlers()
         self.message_handler = self.handlers.message_handler
 
-        self.u_alice = hs.parse_userid("@alice:test")
-        self.u_bob = hs.parse_userid("@bob:test")
+        self.u_alice = UserID.from_string("@alice:test")
+        self.u_bob = UserID.from_string("@bob:test")
 
-        self.room1 = hs.parse_roomid("!abc123:test")
+        self.room1 = RoomID.from_string("!abc123:test")
 
         self.depth = 1
 
diff --git a/tests/storage/test_room.py b/tests/storage/test_room.py
index e7739776ec..71e5d34143 100644
--- a/tests/storage/test_room.py
+++ b/tests/storage/test_room.py
@@ -19,6 +19,7 @@ from twisted.internet import defer
 
 from synapse.server import HomeServer
 from synapse.api.constants import EventTypes
+from synapse.types import UserID, RoomID, RoomAlias
 
 from tests.utils import SQLiteMemoryDbPool
 
@@ -38,9 +39,9 @@ class RoomStoreTestCase(unittest.TestCase):
         # management of the 'room_aliases' table
         self.store = hs.get_datastore()
 
-        self.room = hs.parse_roomid("!abcde:test")
-        self.alias = hs.parse_roomalias("#a-room-name:test")
-        self.u_creator = hs.parse_userid("@creator:test")
+        self.room = RoomID.from_string("!abcde:test")
+        self.alias = RoomAlias.from_string("#a-room-name:test")
+        self.u_creator = UserID.from_string("@creator:test")
 
         yield self.store.store_room(self.room.to_string(),
             room_creator_user_id=self.u_creator.to_string(),
@@ -97,7 +98,7 @@ class RoomEventsStoreTestCase(unittest.TestCase):
         self.store = hs.get_datastore()
         self.event_factory = hs.get_event_factory();
 
-        self.room = hs.parse_roomid("!abcde:test")
+        self.room = RoomID.from_string("!abcde:test")
 
         yield self.store.store_room(self.room.to_string(),
             room_creator_user_id="@creator:text",
diff --git a/tests/storage/test_roommember.py b/tests/storage/test_roommember.py
index a23a8189df..2b9048e2a9 100644
--- a/tests/storage/test_roommember.py
+++ b/tests/storage/test_roommember.py
@@ -19,6 +19,7 @@ from twisted.internet import defer
 
 from synapse.server import HomeServer
 from synapse.api.constants import EventTypes, Membership
+from synapse.types import UserID, RoomID
 
 from tests.utils import SQLiteMemoryDbPool, MockKey
 
@@ -49,13 +50,13 @@ class RoomMemberStoreTestCase(unittest.TestCase):
         self.handlers = hs.get_handlers()
         self.message_handler = self.handlers.message_handler
 
-        self.u_alice = hs.parse_userid("@alice:test")
-        self.u_bob = hs.parse_userid("@bob:test")
+        self.u_alice = UserID.from_string("@alice:test")
+        self.u_bob = UserID.from_string("@bob:test")
 
         # User elsewhere on another host
-        self.u_charlie = hs.parse_userid("@charlie:elsewhere")
+        self.u_charlie = UserID.from_string("@charlie:elsewhere")
 
-        self.room = hs.parse_roomid("!abc123:test")
+        self.room = RoomID.from_string("!abc123:test")
 
     @defer.inlineCallbacks
     def inject_room_member(self, room, user, membership, replaces_state=None):
diff --git a/tests/storage/test_stream.py b/tests/storage/test_stream.py
index 9247fc579e..b7f6e2aa80 100644
--- a/tests/storage/test_stream.py
+++ b/tests/storage/test_stream.py
@@ -19,6 +19,7 @@ from twisted.internet import defer
 
 from synapse.server import HomeServer
 from synapse.api.constants import EventTypes, Membership
+from synapse.types import UserID, RoomID
 
 from tests.utils import SQLiteMemoryDbPool, MockKey
 
@@ -48,11 +49,11 @@ class StreamStoreTestCase(unittest.TestCase):
         self.handlers = hs.get_handlers()
         self.message_handler = self.handlers.message_handler
 
-        self.u_alice = hs.parse_userid("@alice:test")
-        self.u_bob = hs.parse_userid("@bob:test")
+        self.u_alice = UserID.from_string("@alice:test")
+        self.u_bob = UserID.from_string("@bob:test")
 
-        self.room1 = hs.parse_roomid("!abc123:test")
-        self.room2 = hs.parse_roomid("!xyx987:test")
+        self.room1 = RoomID.from_string("!abc123:test")
+        self.room2 = RoomID.from_string("!xyx987:test")
 
         self.depth = 1
 
diff --git a/tests/test_types.py b/tests/test_types.py
index bfb9e6f548..b29a8415b1 100644
--- a/tests/test_types.py
+++ b/tests/test_types.py
@@ -42,12 +42,6 @@ class UserIDTestCase(unittest.TestCase):
         self.assertTrue(userA == userAagain)
         self.assertTrue(userA != userB)
 
-    def test_via_homeserver(self):
-        user = mock_homeserver.parse_userid("@3456ijkl:my.domain")
-
-        self.assertEquals("3456ijkl", user.localpart)
-        self.assertEquals("my.domain", user.domain)
-
 
 class RoomAliasTestCase(unittest.TestCase):
 
@@ -62,9 +56,3 @@ class RoomAliasTestCase(unittest.TestCase):
         room = RoomAlias("channel", "my.domain")
 
         self.assertEquals(room.to_string(), "#channel:my.domain")
-
-    def test_via_homeserver(self):
-        room = mock_homeserver.parse_roomalias("#elsewhere:my.domain")
-
-        self.assertEquals("elsewhere", room.localpart)
-        self.assertEquals("my.domain", room.domain)