Check if an app with the same name is running, supports parameters.
###install
pip install appinstance###intention In cronjobs to detect if a program with the same arguments is already running
###install
pip install appinstance###usage
from appinstance import AppInstance, AppInstanceRunning
import time
try:
# use Appinstance context manager, "arg1" is a good place for commandline variables.
with AppInstance("arg1", True):
print "sleep for 2 sec"
time.sleep(2)
except AppInstanceRunning:
print "already running"