bpo-38722: Runpy use io.open_code() (GH-17234)


https://bugs.python.org/issue38722

Automerge-Triggered-By: @taleinat
(cherry picked from commit e243bae9999418859106328d9fce71815b7eb2fe)

Co-authored-by: jsnklln <jsnklln@gmail.com>
diff --git a/Lib/runpy.py b/Lib/runpy.py
index d86f0e4..8adc91e 100644
--- a/Lib/runpy.py
+++ b/Lib/runpy.py
@@ -13,6 +13,7 @@
 import sys
 import importlib.machinery # importlib first so we can test #15386 via -m
 import importlib.util
+import io
 import types
 from pkgutil import read_code, get_importer
 
@@ -228,11 +229,11 @@
 
 def _get_code_from_file(run_name, fname):
     # Check for a compiled file first
-    with open(fname, "rb") as f:
+    with io.open_code(fname) as f:
         code = read_code(f)
     if code is None:
         # That didn't work, so try it as normal source code
-        with open(fname, "rb") as f:
+        with io.open_code(fname) as f:
             code = compile(f.read(), fname, 'exec')
     return code, fname