WebA function that you introduce with async def is a coroutine. It may use await, return, or yield, but all of these are optional. Declaring async def noop(): pass is valid: Using await and/or return creates a coroutine function. To call a coroutine function, you must await it to get its results. WebMar 19, 2024 · If you want to use async/await with your getValues () function, you can: async function getValues (collectionName, docName) { let doc = await db.collection (collectionName).doc (docName).get (); if (doc.exists) return doc.data ().text; throw new Error ("No such document"); } Share Improve this answer Follow edited Mar 19, 2024 at …
asynchronous - Call async function from sync function, while the ...
Web2 days ago · awaitable asyncio. gather (* aws, return_exceptions = False) ¶ Run awaitable objects in the aws sequence concurrently. If any awaitable in aws is a coroutine, it is … WebDec 28, 2015 · It starts by getting the default event loop ( asyncio.get_event_loop () ), scheduling and running the async task, and then closing the loop when the loop is done running. The loop.run_until_complete () function is actually blocking, so it won't return until all of the asynchronous methods are done. pineapple pudding cool whip frosting
python - How to make asyncio task / coroutine return values to …
Webimport concurrent.futures def ordinary_generator (): loop = asyncio.get_event_loop () pending = [first (), second (), third ()] while pending: done, pending = loop.run_until_complete ( asyncio.wait ( pending, return_when=concurrent.futures.FIRST_COMPLETED ) ) for job in done: yield job.result () Web1 day ago · If the Future is done and has a result set by the set_result () method, the result value is returned. If the Future is done and has an exception set by the set_exception () method, this method raises the exception. If the Future has been cancelled, this method raises a CancelledError exception. WebOct 18, 2024 · async def print_it (i): value = await check (i) if value is not None: print (value) There is an implicit return None when a function finishes its last statement, i.e. when return data ['state'] is NOT executed in check (). In that case nothing is printed - adjust the code if that is not correct. top performer quotes