# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2017-02-16 16:34:50
# Node ID 219629d42786414b8b885c2daf52153ecbd5fe32
# Parent  693a5bb478543a986808264e586073a3ceedc38f

ui: construct _keepalnum list in a python3-friendly way

It'll be more expensive, but it preserves the behavior.

diff --git a/mercurial/ui.py b/mercurial/ui.py
--- a/mercurial/ui.py
+++ b/mercurial/ui.py
@@ -39,7 +39,12 @@ from . import (
 urlreq = util.urlreq
 
 # for use with str.translate(None, _keepalnum), to keep just alphanumerics
-_keepalnum = ''.join(c for c in map(chr, range(256)) if not c.isalnum())
+if pycompat.ispy3:
+    _bytes = [bytes([c]) for c in range(256)]
+    _notalnum = [s for s in _bytes if not s.isalnum()]
+else:
+    _notalnum = [c for c in map(chr, range(256)) if not c.isalnum()]
+_keepalnum = ''.join(_notalnum)
 
 samplehgrcs = {
     'user':