import subprocess
pipe = subprocess.Popen('ping 127.0.0.1', stdout=subprocess.PIPE)
for line in iter(pipe.stdout.readline, ''):
print line.rstrip()
import subprocess
pipe = subprocess.Popen('ping 127.0.0.1', stdout=subprocess.PIPE)
for line in iter(pipe.stdout.readline, ''):
print line.rstrip()
class MetaCls(type): def __new__(cls, *args, **kwargs): print("in MetaCls") # return super(Meta