diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py index 4554003b99a..619e4583bd0 100644 --- a/Lib/sysconfig.py +++ b/Lib/sysconfig.py @@ -3,7 +3,7 @@ """ import sys import os -from os.path import pardir, abspath +from os.path import pardir, realpath _INSTALL_SCHEMES = { 'posix_prefix': { @@ -84,16 +84,16 @@ _EXEC_PREFIX = os.path.normpath(sys.exec_prefix) _CONFIG_VARS = None _USER_BASE = None -_PROJECT_BASE = abspath(os.path.dirname(sys.executable)) +_PROJECT_BASE = os.path.dirname(realpath(sys.executable)) if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower(): - _PROJECT_BASE = abspath(os.path.join(_PROJECT_BASE, pardir)) + _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir)) # PC/VS7.1 if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower(): - _PROJECT_BASE = abspath(os.path.join(_PROJECT_BASE, pardir, pardir)) + _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) # PC/AMD64 if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower(): - _PROJECT_BASE = abspath(os.path.join(_PROJECT_BASE, pardir, pardir)) + _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) def is_python_build(): for fn in ("Setup.dist", "Setup.local"): @@ -296,7 +296,7 @@ def _init_non_posix(vars): vars['SO'] = '.pyd' vars['EXE'] = '.exe' vars['VERSION'] = _PY_VERSION_SHORT_NO_DOT - vars['BINDIR'] = os.path.dirname(os.path.abspath(sys.executable)) + vars['BINDIR'] = os.path.dirname(realpath(sys.executable)) # # public APIs diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py index 5b50901631e..aa2c5144ea1 100644 --- a/Lib/test/test_sysconfig.py +++ b/Lib/test/test_sysconfig.py @@ -8,9 +8,10 @@ import sys import test import os +import subprocess from copy import copy, deepcopy -from test.support import run_unittest, TESTFN +from test.support import run_unittest, TESTFN, unlink, get_attribute import sysconfig from sysconfig import (get_paths, get_platform, get_config_vars, @@ -237,6 +238,23 @@ def test_get_scheme_names(self): 'posix_prefix', 'posix_user') self.assertEquals(get_scheme_names(), wanted) + def test_symlink(self): + # Issue 7880 + symlink = get_attribute(os, "symlink") + def get(python): + cmd = [python, '-c', + 'import sysconfig; print sysconfig.get_platform()'] + p = subprocess.Popen(cmd, stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + return p.communicate() + real = os.path.realpath(sys.executable) + link = os.path.abspath(TESTFN) + symlink(real, link) + try: + self.assertEqual(get(real), get(link)) + finally: + unlink(link) + def test_main(): run_unittest(TestSysConfig) diff --git a/Misc/NEWS b/Misc/NEWS index 541f13e51d4..900da9c3683 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -270,6 +270,8 @@ C-API Library ------- +- Issue #7880: Fix sysconfig when the python executable is a symbolic link. + - Issue #6509: fix re.sub to work properly when the pattern, the string, and the replacement were all bytes. Patch by Antoine Pitrou.