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-rw-r--r--Lib/sysconfig.py28
1 files changed, 21 insertions, 7 deletions
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index 9c34be0a07..9314e71a2f 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -86,8 +86,8 @@ _SCHEME_KEYS = ('stdlib', 'platstdlib', 'purelib', 'platlib', 'include',
# FIXME don't rely on sys.version here, its format is an implementation detail
# of CPython, use sys.version_info or sys.hexversion
_PY_VERSION = sys.version.split()[0]
-_PY_VERSION_SHORT = sys.version[:3]
-_PY_VERSION_SHORT_NO_DOT = _PY_VERSION[0] + _PY_VERSION[2]
+_PY_VERSION_SHORT = '%d.%d' % sys.version_info[:2]
+_PY_VERSION_SHORT_NO_DOT = '%d%d' % sys.version_info[:2]
_PREFIX = os.path.normpath(sys.prefix)
_BASE_PREFIX = os.path.normpath(sys.base_prefix)
_EXEC_PREFIX = os.path.normpath(sys.exec_prefix)
@@ -215,7 +215,7 @@ def _parse_makefile(filename, vars=None):
# Regexes needed for parsing Makefile (and similar syntaxes,
# like old-style Setup files).
import re
- _variable_rx = re.compile("([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)")
+ _variable_rx = re.compile(r"([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)")
_findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)")
_findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}")
@@ -337,8 +337,20 @@ def get_makefile_filename():
config_dir_name = 'config-%s%s' % (_PY_VERSION_SHORT, sys.abiflags)
else:
config_dir_name = 'config'
+ if hasattr(sys.implementation, '_multiarch'):
+ config_dir_name += '-%s' % sys.implementation._multiarch
return os.path.join(get_path('stdlib'), config_dir_name, 'Makefile')
+
+def _get_sysconfigdata_name():
+ return os.environ.get('_PYTHON_SYSCONFIGDATA_NAME',
+ '_sysconfigdata_{abi}_{platform}_{multiarch}'.format(
+ abi=sys.abiflags,
+ platform=sys.platform,
+ multiarch=getattr(sys.implementation, '_multiarch', ''),
+ ))
+
+
def _generate_posix_vars():
"""Generate the Python module containing build-time variables."""
import pprint
@@ -379,14 +391,14 @@ def _generate_posix_vars():
# _sysconfigdata module manually and populate it with the build vars.
# This is more than sufficient for ensuring the subsequent call to
# get_platform() succeeds.
- name = '_sysconfigdata'
+ name = _get_sysconfigdata_name()
if 'darwin' in sys.platform:
import types
module = types.ModuleType(name)
module.build_time_vars = vars
sys.modules[name] = module
- pybuilddir = 'build/lib.%s-%s' % (get_platform(), sys.version[:3])
+ pybuilddir = 'build/lib.%s-%s' % (get_platform(), _PY_VERSION_SHORT)
if hasattr(sys, "gettotalrefcount"):
pybuilddir += '-pydebug'
os.makedirs(pybuilddir, exist_ok=True)
@@ -405,7 +417,9 @@ def _generate_posix_vars():
def _init_posix(vars):
"""Initialize the module as appropriate for POSIX systems."""
# _sysconfigdata is generated at build time, see _generate_posix_vars()
- from _sysconfigdata import build_time_vars
+ name = _get_sysconfigdata_name()
+ _temp = __import__(name, globals(), locals(), ['build_time_vars'], 0)
+ build_time_vars = _temp.build_time_vars
vars.update(build_time_vars)
def _init_non_posix(vars):
@@ -518,7 +532,7 @@ def get_config_vars(*args):
_CONFIG_VARS['exec_prefix'] = _EXEC_PREFIX
_CONFIG_VARS['py_version'] = _PY_VERSION
_CONFIG_VARS['py_version_short'] = _PY_VERSION_SHORT
- _CONFIG_VARS['py_version_nodot'] = _PY_VERSION[0] + _PY_VERSION[2]
+ _CONFIG_VARS['py_version_nodot'] = _PY_VERSION_SHORT_NO_DOT
_CONFIG_VARS['installed_base'] = _BASE_PREFIX
_CONFIG_VARS['base'] = _PREFIX
_CONFIG_VARS['installed_platbase'] = _BASE_EXEC_PREFIX