# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2018-03-01 22:46:34
# Node ID 63fe5ca93b1313582dd61e71c689cf2be90556f1
# Parent  c28de190e20ab1c6b93a33ee0c6627f7e5030ca5

pycompat: add support for encoding argument to our wrapper

This only works on Python 3, but I'm about to need it for a
regrettable hack in the convert code.

Differential Revision: https://phab.mercurial-scm.org/D2524

diff --git a/mercurial/pycompat.py b/mercurial/pycompat.py
--- a/mercurial/pycompat.py
+++ b/mercurial/pycompat.py
@@ -224,8 +224,8 @@ if ispy3:
     xrange = builtins.range
     unicode = str
 
-    def open(name, mode='r', buffering=-1):
-        return builtins.open(name, sysstr(mode), buffering)
+    def open(name, mode='r', buffering=-1, encoding=None):
+        return builtins.open(name, sysstr(mode), buffering, encoding)
 
     def _getoptbwrapper(orig, args, shortlist, namelist):
         """