py3: drop encoding.strio()
Its buffered nature makes TextIOWrapper unsuitable for temporarily wrapping
bytes I/O.
--- a/mercurial/encoding.py Tue Mar 06 02:42:37 2018 -0600
+++ b/mercurial/encoding.py Tue Mar 06 02:43:17 2018 -0600
@@ -7,7 +7,6 @@
from __future__ import absolute_import, print_function
-import io
import locale
import os
import unicodedata
@@ -581,18 +580,3 @@
c = pycompat.bytechr(ord(c.decode("utf-8", _utf8strict)) & 0xff)
r += c
return r
-
-if pycompat.ispy3:
- class strio(io.TextIOWrapper):
- """Wrapper around TextIOWrapper that respects hg's encoding assumptions.
-
- Also works around Python closing streams.
- """
-
- def __init__(self, buffer):
- super(strio, self).__init__(buffer, encoding=_sysstr(encoding))
-
- def __del__(self):
- """Override __del__ so it doesn't close the underlying stream."""
-else:
- strio = pycompat.identity