WatchdogMode#

tradeexecutor.cli.watchdog.WatchdogMode Python class in Trading Strategy framework.

class WatchdogMode[source]#

Bases: Enum

How does the watchdog communicate with its tasks.

__init__()#

Attributes

thread_based

Thread based.

process_based

Process based.
thread_based = 'thread_based'#

Thread based.

The application does not need to communicate with child processe.

process_based = 'process_based'#

Process based.

The application has child processes and needs to set up multiprocess communicatons.

DictProxy is used to communicate task liveness and it works across process boundaries.

For the caveats see, https://stackoverflow.com/a/75385991/315168 as this may cause zombie processes.