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https://github.com/PiBrewing/craftbeerpi4.git
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52 lines
1.2 KiB
Python
52 lines
1.2 KiB
Python
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from functools import wraps
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from aiohttp.web import View
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from . import create_scheduler
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__all__ = ('setup', 'spawn', 'get_scheduler', 'get_scheduler_from_app',
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'atomic')
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def get_scheduler(request):
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scheduler = get_scheduler_from_request(request)
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if scheduler is None:
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raise RuntimeError(
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"Call aiojobs.aiohttp.setup() on application initialization")
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return scheduler
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def get_scheduler_from_app(app):
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return app.get('AIOJOBS_SCHEDULER')
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def get_scheduler_from_request(request):
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return request.config_dict.get('AIOJOBS_SCHEDULER')
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async def spawn(request, coro):
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return await get_scheduler(request).spawn(coro)
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def atomic(coro):
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@wraps(coro)
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async def wrapper(request):
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if isinstance(request, View):
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# Class Based View decorated.
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request = request.request
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job = await spawn(request, coro(request))
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return await job.wait()
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return wrapper
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def setup(app, **kwargs):
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async def on_startup(app):
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app['AIOJOBS_SCHEDULER'] = await create_scheduler(**kwargs)
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async def on_cleanup(app):
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await app['AIOJOBS_SCHEDULER'].close()
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app.on_startup.append(on_startup)
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app.on_cleanup.append(on_cleanup)
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