changeset:   105199:2e1fb851dfb4
branch:      3.6
parent:      105197:af78b33704af
user:        Steve Dower <steve.dower@microsoft.com>
date:        Sat Nov 19 20:11:56 2016 -0800
files:       Lib/os.py
description:
Issue #28732: Adds new errors to spawnv emulation for platforms that only have fork and execv


diff -r af78b33704af -r 2e1fb851dfb4 Lib/os.py
--- a/Lib/os.py	Sat Nov 19 19:17:26 2016 -0800
+++ b/Lib/os.py	Sat Nov 19 20:11:56 2016 -0800
@@ -832,6 +832,10 @@
 
     def _spawnvef(mode, file, args, env, func):
         # Internal helper; func is the exec*() function to use
+        if not isinstance(args, (tuple, list)):
+            raise TypeError('argv must be a tuple or a list')
+        if not args[0]:
+            raise ValueError('argv first element cannot be empty')
         pid = fork()
         if not pid:
             # Child