allow configurable scheduler load group

Summary: Allow configurable scheduler load group for clean scheduler splits

Differential Revision: D67290464

torchx/runner/config.py

@@ -197,7 +197,10 @@ def _configparser() -> configparser.ConfigParser:
 
 
 def _get_scheduler(name: str) -> Scheduler:
-    schedulers = get_scheduler_factories()
+    schedulers = {
+        **get_scheduler_factories(),
+        **get_scheduler_factories(group="torchx.schedulers.orchestrator"),
+    }
     if name not in schedulers:
         raise ValueError(
             f"`{name}` is not a registered scheduler. Valid scheduler names: {schedulers.keys()}"

torchx/schedulers/__init__.py

@@ -42,9 +42,11 @@ def run(*args: object, **kwargs: object) -> Scheduler:
     return run
 
 
-def get_scheduler_factories() -> Dict[str, SchedulerFactory]:
+def get_scheduler_factories(
+    group: str = "torchx.schedulers",
+) -> Dict[str, SchedulerFactory]:
     """
-    get_scheduler_factories returns all the available schedulers names and the
+    get_scheduler_factories returns all the available schedulers names under `group` and the
     method to instantiate them.
 
     The first scheduler in the dictionary is used as the default scheduler.
@@ -55,7 +57,7 @@ def get_scheduler_factories() -> Dict[str, SchedulerFactory]:
         default_schedulers[scheduler] = _defer_load_scheduler(path)
 
     return load_group(
-        "torchx.schedulers",
+        group,
         default=default_schedulers,
     )