Issue #7774: Set sys.executable to an empty string if argv[0] has been
set to an non existent program name and Python is unable to retrieve the real
program name.
Fix also sysconfig: if sys.executable is an empty string, use the current
working directory.
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 15b88ce..e41814b 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -437,6 +437,17 @@
self.assertEqual(sys.call_tracing(str, (2,)), "2")
self.assertRaises(TypeError, sys.call_tracing, str, 2)
+ def test_executable(self):
+ # Issue #7774: Ensure that sys.executable is an empty string if argv[0]
+ # has been set to an non existent program name and Python is unable to
+ # retrieve the real program name
+ import subprocess
+ p = subprocess.Popen(
+ ["nonexistent", "-c", 'import sys; print "executable=%r" % sys.executable'],
+ executable=sys.executable, stdout=subprocess.PIPE)
+ executable = p.communicate()[0].strip()
+ p.wait()
+ self.assertEqual(executable, "executable=''")
class SizeofTest(unittest.TestCase):