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54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
import django
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import threading
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from django.core.management.commands.runserver import Command as RunserverCommand
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from django.core.management import CommandError
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from channels import channel_backends, DEFAULT_CHANNEL_BACKEND
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from channels.worker import Worker
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from channels.utils import auto_import_consumers
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from channels.adapters import UrlConsumer
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from channels.interfaces.wsgi import WSGIInterface
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class Command(RunserverCommand):
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def get_handler(self, *args, **options):
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"""
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Returns the default WSGI handler for the runner.
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"""
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return WSGIInterface(self.channel_backend)
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def run(self, *args, **options):
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# Run the rest
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return super(Command, self).run(*args, **options)
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def inner_run(self, *args, **options):
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# Check a handler is registered for http reqs
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self.channel_backend = channel_backends[DEFAULT_CHANNEL_BACKEND]
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auto_import_consumers()
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if not self.channel_backend.registry.consumer_for_channel("django.wsgi.request"):
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# Register the default one
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self.channel_backend.registry.add_consumer(UrlConsumer(), ["django.wsgi.request"])
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# Note that this is the right one on the console
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self.stdout.write("Worker thread running, channels enabled")
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if self.channel_backend.local_only:
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self.stdout.write("Local channel backend detected, no remote channels support")
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# Launch a worker thread
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worker = WorkerThread(self.channel_backend)
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worker.daemon = True
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worker.start()
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# Run rest of inner run
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super(Command, self).inner_run(*args, **options)
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class WorkerThread(threading.Thread):
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"""
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Class that runs a worker
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"""
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def __init__(self, channel_backend):
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super(WorkerThread, self).__init__()
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self.channel_backend = channel_backend
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def run(self):
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Worker(channel_backend=self.channel_backend).run()
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