import sys
import os
import traceback

if __name__ == '__main__':

    if len(sys.argv) == 1:
        
        try:
            r = os.popen('%s %s %s' % (sys.executable, sys.argv[0], -1,))
            r.close()
        except IOError:
            traceback.print_exc()

        try:
            w, r = os.popen2('%s %s %s' % (sys.executable, sys.argv[0], -1,))
            w.close()
            r.close()
        except IOError:
            traceback.print_exc()

        try:
            w, r, e = os.popen3('%s %s %s' % (sys.executable, sys.argv[0], -1,))
            w.close()
            r.close()
            e.close()
        except IOError:
            traceback.print_exc()

    else:
        sys.exit(int(sys.argv[1]))

#---------- Run ----------
#Traceback (most recent call last):
#  File "Q:\Viper\src\webvis\tests\test.py", line 11, in ?
#    r.close()
#IOError: (0, 'Error')
#Traceback (most recent call last):
#  File "Q:\Viper\src\webvis\tests\test.py", line 18, in ?
#    r.close()
#IOError: (0, 'Error')
#Traceback (most recent call last):
#  File "Q:\Viper\src\webvis\tests\test.py", line 26, in ?
#    e.close()
#IOError: (0, 'Error')