mercurial/ui.py

--- a/mercurial/ui.py	Sat Jan 27 13:14:06 2018 +0900
+++ b/mercurial/ui.py	Sat Jan 27 13:33:31 2018 +0900
@@ -148,14 +148,10 @@
 }
 
 def _maybestrurl(maybebytes):
-    if maybebytes is None:
-        return None
-    return pycompat.strurl(maybebytes)
+    return util.rapply(pycompat.strurl, maybebytes)
 
 def _maybebytesurl(maybestr):
-    if maybestr is None:
-        return None
-    return pycompat.bytesurl(maybestr)
+    return util.rapply(pycompat.bytesurl, maybestr)
 
 class httppasswordmgrdbproxy(object):
     """Delays loading urllib2 until it's needed."""
@@ -168,18 +164,14 @@
         return self._mgr
 
     def add_password(self, realm, uris, user, passwd):
-        if isinstance(uris, tuple):
-            uris = tuple(_maybestrurl(u) for u in uris)
-        else:
-            uris = _maybestrurl(uris)
         return self._get_mgr().add_password(
-            _maybestrurl(realm), uris,
+            _maybestrurl(realm), _maybestrurl(uris),
             _maybestrurl(user), _maybestrurl(passwd))
 
     def find_user_password(self, realm, uri):
-        return tuple(_maybebytesurl(v) for v in
-                     self._get_mgr().find_user_password(_maybestrurl(realm),
-                                                        _maybestrurl(uri)))
+        mgr = self._get_mgr()
+        return _maybebytesurl(mgr.find_user_password(_maybestrurl(realm),
+                                                     _maybestrurl(uri)))
 
 def _catchterm(*args):
     raise error.SignalInterrupt