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-rw-r--r--Lib/sysconfig.py12
-rw-r--r--Lib/test/test_sysconfig.py20
-rw-r--r--Misc/NEWS2
3 files changed, 27 insertions, 7 deletions
diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index 4554003..619e458 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 @@ _PREFIX = os.path.normpath(sys.prefix)
_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 5b50901..aa2c514 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -8,9 +8,10 @@ import unittest
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 @@ class TestSysConfig(unittest.TestCase):
'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 541f13e..900da9c 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.