from typing import List, Type, cast
from asgiref.sync import async_to_sync
from django.apps import apps
from django.core.management.base import BaseCommand
from stator.models import StatorModel
from stator.runner import StatorRunner
class Command(BaseCommand):
help = "Runs a Stator runner for a short period"
def add_arguments(self, parser):
parser.add_argument(
"--concurrency",
"-c",
type=int,
default=30,
help="How many tasks to run at once",
)
parser.add_argument("model_labels", nargs="*", type=str)
def handle(self, model_labels: List[str], concurrency: int, *args, **options):
# Resolve the models list into names
models = cast(
List[Type[StatorModel]],
[apps.get_model(label) for label in model_labels],
if not models:
models = StatorModel.subclasses
print("Running for models: " + " ".join(m._meta.label_lower for m in models))
# Run a runner
runner = StatorRunner(models, concurrency=concurrency)
async_to_sync(runner.run)()
