repoview: move changelog.rev() override to filteredchangelog

Differential Revision: https://phab.mercurial-scm.org/D7243

mercurial/changelog.py

@@ -404,15 +404,6 b' class changelog(revlog.revlog):'
         self.filteredrevs = frozenset()
         self._copiesstorage = opener.options.get(b'copies-storage')
 
-    def rev(self, node):
-        """filtered version of revlog.rev"""
-        r = super(changelog, self).rev(node)
-        if r in self.filteredrevs:
-            raise error.FilteredLookupError(
-                hex(node), self.indexfile, _(b'filtered node')
-            )
-        return r
-
     def node(self, rev):
         """filtered version of revlog.node"""
         if rev in self.filteredrevs:

mercurial/repoview.py

@@ -11,7 +11,11 b' from __future__ import absolute_import'
 import copy
 import weakref
 
-from .node import nullrev
+from .i18n import _
+from .node import (
+    hex,
+    nullrev,
+)
 from .pycompat import (
     delattr,
     getattr,
@@ -294,6 +298,15 b' def wrapchangelog(unfichangelog, filtere'
             assert not self.filteredrevs
             super(filteredchangelog, self).strip(*args, **kwargs)
 
+        def rev(self, node):
+            """filtered version of revlog.rev"""
+            r = super(filteredchangelog, self).rev(node)
+            if r in self.filteredrevs:
+                raise error.FilteredLookupError(
+                    hex(node), self.indexfile, _(b'filtered node')
+                )
+            return r
+
     cl.__class__ = filteredchangelog
 
     return cl