Merged revisions 85386-85387,85389 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
........
r85386 | victor.stinner | 2010-10-13 00:23:23 +0200 (mer., 13 oct. 2010) | 3 lines
Issue #6612: Fix site and sysconfig to catch os.getcwd() error, eg. if the
current directory was deleted.
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r85387 | victor.stinner | 2010-10-13 00:26:08 +0200 (mer., 13 oct. 2010) | 2 lines
#6612: add the author of the patch (W. Trevor King)
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r85389 | victor.stinner | 2010-10-13 00:42:37 +0200 (mer., 13 oct. 2010) | 2 lines
NEWS: Move #6612 to Library section
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diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
index b8880f5..5d5d5c0 100644
--- a/Lib/sysconfig.py
+++ b/Lib/sysconfig.py
@@ -93,21 +93,28 @@
_EXEC_PREFIX = os.path.normpath(sys.exec_prefix)
_CONFIG_VARS = None
_USER_BASE = None
+
+def _safe_realpath(path):
+ try:
+ return realpath(path)
+ except OSError:
+ return path
+
if sys.executable:
- _PROJECT_BASE = os.path.dirname(realpath(sys.executable))
+ _PROJECT_BASE = os.path.dirname(_safe_realpath(sys.executable))
else:
# sys.executable can be empty if argv[0] has been changed and Python is
# unable to retrieve the real program name
- _PROJECT_BASE = realpath(os.getcwd())
+ _PROJECT_BASE = _safe_realpath(os.getcwd())
if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower():
- _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir))
+ _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir))
# PC/VS7.1
if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower():
- _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
+ _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
# PC/AMD64
if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower():
- _PROJECT_BASE = realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
+ _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir))
def is_python_build():
for fn in ("Setup.dist", "Setup.local"):
@@ -319,7 +326,7 @@
vars['SO'] = '.pyd'
vars['EXE'] = '.exe'
vars['VERSION'] = _PY_VERSION_SHORT_NO_DOT
- vars['BINDIR'] = os.path.dirname(realpath(sys.executable))
+ vars['BINDIR'] = os.path.dirname(_safe_realpath(sys.executable))
#
# public APIs
@@ -439,8 +446,12 @@
# from a different directory.
if _PYTHON_BUILD and os.name == "posix":
base = _PROJECT_BASE
+ try:
+ cwd = os.getcwd()
+ except OSError:
+ cwd = None
if (not os.path.isabs(_CONFIG_VARS['srcdir']) and
- base != os.getcwd()):
+ base != cwd):
# srcdir is relative and we are not in the same directory
# as the executable. Assume executable is in the build
# directory and make srcdir absolute.