84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
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# -*- encoding: utf-8 -*-
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"""
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AsyncOperator is an async wrapper around the Operator sync operations.
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It puts in the loop background the execution of the same methods in
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the Operator.
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"""
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import asyncio
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from concurrent.futures import ThreadPoolExecutor
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import functools
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import logging
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from bot_z.operator import Operator
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alog = logging.getLogger("asyncio")
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async def _push_to_loop(loop, executor, func, *args, **kwargs):
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sync_task = [
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loop.run_in_executor(executor, functools.partial(func, **kwargs), *args)
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]
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res_set, _ = await asyncio.wait(sync_task, loop=loop)
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res = res_set.pop()
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return res.result()
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class AsyncOperator(object):
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"""
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This is the async version of the Operator.
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This class DOES NOT inherit from Operator: it contains an
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active instance of it.
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"""
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def __init__(self, base_uri: str, name: str, *args, **kwargs) -> None:
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self.name = name
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self.base_uri = base_uri
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self.op = Operator(base_uri, name, *args, **kwargs)
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self.executor = ThreadPoolExecutor(max_workers=2)
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self.loop = asyncio.get_event_loop()
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async def login(self, username: str, password: str) -> None:
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"""Perform the login. Raise if failing."""
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alog.debug("Logging in [%s]", self.name)
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_ = await _push_to_loop(
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self.loop, self.executor, self.op.login, username, password
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)
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if not self.op.logged_in:
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raise RuntimeError("Failed to login.")
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alog.info("Logged in [%s]", self.name)
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async def logout(self) -> None:
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"""Perform the logout. Raise if failing."""
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alog.debug("Logging out [%s]", self.name)
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_ = await _push_to_loop(self.loop, self.executor, self.op.logout)
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if self.op.logged_in:
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raise RuntimeError("Failed to logout.")
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alog.info("Logged out [%s]", self.name)
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async def checkin(self) -> None:
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"""Perform the checkin. Raise if failing."""
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alog.debug("Checking in [%s]", self.name)
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_ = await _push_to_loop(self.loop, self.executor, self.op.check_in)
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if not self.op.checked_in:
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raise RuntimeError("Failed to checkin.")
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alog.info("Checked in [%s]", self.name)
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async def checkout(self) -> None:
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"""Perform the checkout. Raise if failing."""
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alog.debug("Checking out [%s]", self.name)
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_ = await _push_to_loop(self.loop, self.executor, self.op.check_out)
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if self.op.checked_in:
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raise RuntimeError("Failed to checkout.")
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alog.info("Checked out [%s]", self.name)
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@property
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def logged_in(self) -> bool:
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return self.op.logged_in
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@property
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def checked_in(self) -> bool:
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return self.op.checked_in
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