mirror of
https://github.com/soxoj/maigret.git
synced 2026-05-07 06:24:35 +00:00
Soxoj
119 lines
3.7 KiB
Python
119 lines
3.7 KiB
Python
import asyncio
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import time
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import tqdm
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import sys
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from typing import Iterable, Any, List
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from .types import QueryDraft
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def create_task_func():
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if sys.version_info.minor > 6:
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create_asyncio_task = asyncio.create_task
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else:
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loop = asyncio.get_event_loop()
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create_asyncio_task = loop.create_task
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return create_asyncio_task
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class AsyncExecutor:
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def __init__(self, *args, **kwargs):
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self.logger = kwargs['logger']
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async def run(self, tasks: Iterable[QueryDraft]):
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start_time = time.time()
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results = await self._run(tasks)
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self.execution_time = time.time() - start_time
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self.logger.debug(f'Spent time: {self.execution_time}')
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return results
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async def _run(self, tasks: Iterable[QueryDraft]):
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await asyncio.sleep(0)
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class AsyncioSimpleExecutor(AsyncExecutor):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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async def _run(self, tasks: Iterable[QueryDraft]):
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futures = [f(*args, **kwargs) for f, args, kwargs in tasks]
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return await asyncio.gather(*futures)
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class AsyncioProgressbarExecutor(AsyncExecutor):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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async def _run(self, tasks: Iterable[QueryDraft]):
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futures = [f(*args, **kwargs) for f, args, kwargs in tasks]
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results = []
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for f in tqdm.asyncio.tqdm.as_completed(futures):
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results.append(await f)
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return results
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class AsyncioProgressbarSemaphoreExecutor(AsyncExecutor):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.semaphore = asyncio.Semaphore(kwargs.get('in_parallel', 1))
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async def _run(self, tasks: Iterable[QueryDraft]):
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async def _wrap_query(q: QueryDraft):
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async with self.semaphore:
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f, args, kwargs = q
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return await f(*args, **kwargs)
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async def semaphore_gather(tasks: Iterable[QueryDraft]):
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coros = [_wrap_query(q) for q in tasks]
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results = []
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for f in tqdm.asyncio.tqdm.as_completed(coros):
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results.append(await f)
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return results
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return await semaphore_gather(tasks)
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class AsyncioProgressbarQueueExecutor(AsyncExecutor):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.workers_count = kwargs.get('in_parallel', 10)
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self.progress_func = kwargs.get('progress_func', tqdm.tqdm)
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self.queue = asyncio.Queue(self.workers_count)
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self.timeout = kwargs.get('timeout')
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async def worker(self):
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while True:
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try:
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f, args, kwargs = self.queue.get_nowait()
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except asyncio.QueueEmpty:
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return
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query_future = f(*args, **kwargs)
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query_task = create_task_func()(query_future)
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try:
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result = await asyncio.wait_for(query_task, timeout=self.timeout)
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except asyncio.TimeoutError:
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result = kwargs.get('default')
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self.results.append(result)
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self.progress.update(1)
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self.queue.task_done()
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async def _run(self, queries: Iterable[QueryDraft]):
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self.results: List[Any] = []
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queries_list = list(queries)
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min_workers = min(len(queries_list), self.workers_count)
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workers = [create_task_func()(self.worker()) for _ in range(min_workers)]
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self.progress = self.progress_func(total=len(queries_list))
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for t in queries_list:
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await self.queue.put(t)
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await self.queue.join()
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for w in workers:
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w.cancel()
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self.progress.close()
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return self.results
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