bpo-45873: Restore Python 3.6 compatibility (GH-29730)

Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>
This commit is contained in:
Christian Heimes 2021-11-23 22:36:40 +02:00 committed by GitHub
parent 4ae26b9c1d
commit f840398a5f
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 28 additions and 3 deletions

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@ -5,8 +5,10 @@ import collections
import contextlib
import os
import re
import sys
import time
import types
import unicodedata
from typing import Dict, FrozenSet, Tuple, TextIO
import umarshal
@ -14,9 +16,13 @@ import umarshal
verbose = False
def isprintable(b: bytes) -> bool:
return all(0x20 <= c < 0x7f for c in b)
def make_string_literal(b: bytes) -> str:
res = ['"']
if b.isascii() and b.decode("ascii").isprintable():
if isprintable(b):
res.append(b.decode("ascii").replace("\\", "\\\\").replace("\"", "\\\""))
else:
for i in b:

12
configure vendored
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@ -3142,7 +3142,7 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
# pybuilddir.txt will be created by --generate-posix-vars in the Makefile
rm -f pybuilddir.txt
for ac_prog in python$PACKAGE_VERSION python3 python
for ac_prog in python$PACKAGE_VERSION python3.10 python3.9 python3.8 python3.7 python3.6 python3 python
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
@ -3187,6 +3187,16 @@ test -n "$PYTHON_FOR_REGEN" || PYTHON_FOR_REGEN="python3"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking Python for regen version" >&5
$as_echo_n "checking Python for regen version... " >&6; }
if command -v $PYTHON_FOR_REGEN >/dev/null 2>&1; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $($PYTHON_FOR_REGEN -V 2>/dev/null)" >&5
$as_echo "$($PYTHON_FOR_REGEN -V 2>/dev/null)" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: missing" >&5
$as_echo "missing" >&6; }
fi
if test "$cross_compiling" = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for python interpreter for cross build" >&5
$as_echo_n "checking for python interpreter for cross build... " >&6; }

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@ -96,9 +96,18 @@ AC_SUBST(host)
# pybuilddir.txt will be created by --generate-posix-vars in the Makefile
rm -f pybuilddir.txt
AC_CHECK_PROGS(PYTHON_FOR_REGEN, python$PACKAGE_VERSION python3 python, python3)
AC_CHECK_PROGS([PYTHON_FOR_REGEN],
[python$PACKAGE_VERSION python3.10 python3.9 python3.8 python3.7 python3.6 python3 python],
[python3])
AC_SUBST(PYTHON_FOR_REGEN)
AC_MSG_CHECKING([Python for regen version])
if command -v $PYTHON_FOR_REGEN >/dev/null 2>&1; then
AC_MSG_RESULT([$($PYTHON_FOR_REGEN -V 2>/dev/null)])
else
AC_MSG_RESULT([missing])
fi
if test "$cross_compiling" = yes; then
AC_MSG_CHECKING([for python interpreter for cross build])
if test -z "$PYTHON_FOR_BUILD"; then