Issue #12112: fix the encoding of setup.py in the packaging module
* read: use tokenize.detect_encoding()
* write: use 'utf-8'
diff --git a/Lib/packaging/create.py b/Lib/packaging/create.py
index ca82773..5432ffc 100644
--- a/Lib/packaging/create.py
+++ b/Lib/packaging/create.py
@@ -32,6 +32,7 @@
import re
import shutil
import sysconfig
+import tokenize
from configparser import RawConfigParser
from textwrap import dedent
from hashlib import md5
@@ -116,7 +117,9 @@
This function load the setup file in all cases (even if it have already
been loaded before, because we are monkey patching its setup function with
a particular one"""
- with open("setup.py") as f:
+ with open("setup.py", "rb") as f:
+ encoding, lines = tokenize.detect_encoding(f.readline)
+ with open("setup.py", encoding=encoding) as f:
imp.load_module("setup", f, "setup.py", (".py", "r", imp.PY_SOURCE))