def is_in_docplex_worker():
try:
import docplex.worker.solvehook as worker_env
hook = worker_env.get_solve_hook()
if hook:
return True
except ImportError:
pass
return False
def _get_default_environment():
# creates a new instance of the default environment
try:
import docplex.worker.solvehook as worker_env
hook = worker_env.get_solve_hook()
if hook:
return WorkerEnvironment(hook)
except ImportError:
pass
return LocalEnvironment()
def set_stop_callback(cb):
env = get_environment()
try:
env.set_stop_callback(cb)
except AttributeError:
# env.set_stop_callback does not exists -> older version of docplex
# use work around
try:
import docplex.worker.solvehook as worker_env
hook = worker_env.get_solve_hook()
if hook:
hook.set_stop_callback(cb)
finally:
# ignore errors
pass