Issue #7880: Fix sysconfig when the python executable is a symbolic link.

This commit is contained in:
Florent Xicluna 2010-03-10 23:58:42 +00:00
parent 3ec32005e8
commit 85677617d5
3 changed files with 27 additions and 7 deletions

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@ -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"):
@ -294,7 +294,7 @@ 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

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@ -8,9 +8,10 @@ import unittest
import sys
import os
import shutil
import subprocess
from copy import copy, deepcopy
from test.test_support import run_unittest, TESTFN
from test.test_support import run_unittest, TESTFN, unlink, get_attribute
import sysconfig
from sysconfig import (get_paths, get_platform, get_config_vars,
@ -238,6 +239,23 @@ 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)

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@ -20,6 +20,8 @@ Core and Builtins
Library
-------
- Issue #7880: Fix sysconfig when the python executable is a symbolic link.
- Issue #7624: Fix isinstance(foo(), collections.Callable) for old-style
classes.