# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2023-07-10 13:39:19
# Node ID 94506fc107b7457b5ad3c37c03e0e978b52f2881
# Parent  02eae2df911a14a87c1cb002e7d7f1c8666f3ce7

wrapfunction: deprecates calling `wrappedfunction` with bytes

This will help us to detect and eradicates legacy calls.
This is on the path to deprecating `util.safehasattr`.

diff --git a/mercurial/extensions.py b/mercurial/extensions.py
--- a/mercurial/extensions.py
+++ b/mercurial/extensions.py
@@ -626,6 +626,10 @@ class wrappedfunction:
 
     def __init__(self, container, funcname, wrapper):
         assert callable(wrapper)
+        if not isinstance(funcname, str):
+            msg = b"pass wrappedfunction target name as `str`, not `bytes`"
+            util.nouideprecwarn(msg, b"6.6", stacklevel=2)
+            funcname = pycompat.sysstr(funcname)
         self._container = container
         self._funcname = funcname
         self._wrapper = wrapper