Initial revision
diff --git a/Lib/idlelib/spawn.py b/Lib/idlelib/spawn.py
new file mode 100644
index 0000000..ce6b41c
--- /dev/null
+++ b/Lib/idlelib/spawn.py
@@ -0,0 +1,59 @@
+# spawn - This is ugly, OS-specific code to spawn a separate process. It
+# also defines a function for getting the version of a path most
+# likely to work with cranky API functions.
+
+import os
+
+def hardpath(path):
+ path = os.path.normcase(os.path.abspath(path))
+ try:
+ import win32api
+ path = win32api.GetShortPathName( path )
+ except:
+ pass
+ return path
+
+if hasattr(os, 'spawnv'):
+
+ # Windows-ish OS: we use spawnv(), and stick quotes around arguments
+ # in case they contains spaces, since Windows will jam all the
+ # arguments to spawn() or exec() together into one string. The
+ # kill_zombies function is a noop.
+
+ def spawn(bin, *args):
+ nargs = [bin]
+ for arg in args:
+ nargs.append( '"'+arg+'"' )
+ os.spawnv( os.P_NOWAIT, bin, nargs )
+
+ def kill_zombies(): pass
+
+elif hasattr(os, 'fork'):
+
+ # UNIX-ish operating system: we fork() and exec(), and we have to track
+ # the pids of our children and call waitpid() on them to avoid leaving
+ # zombies in the process table. kill_zombies() does the dirty work, and
+ # should be called periodically.
+
+ zombies = []
+
+ def spawn(bin, *args):
+ pid = os.fork()
+ if pid:
+ zombies.append(pid)
+ else:
+ os.execv( bin, (bin, ) + args )
+
+ def kill_zombies():
+ for z in zombies[:]:
+ stat = os.waitpid(z, os.WNOHANG)
+ if stat[0]==z:
+ zombies.remove(z)
+
+else:
+ # If you get here, you may be able to write an alternative implementation
+ # of these functions for your OS.
+
+ def kill_zombies(): pass
+
+ raise OSError, 'This OS does not support fork() or spawnv().'