All Questions
17 questions
4
votes
0
answers
791
views
Python synchronous pyaudio data in asynchronous code
Here is my use-case:
I am streaming some audio from a microphone using Pyaudio. I receive chunks of audio data every x milliseconds.
I am opening a websockets connection if some condition is met.
...
- 366
-3
votes
3
answers
605
views
python asynchronous map function that apply a function to every element of a list [closed]
I have a list of elements in python that I want to apply an API call to. The API involves web requests and I want to apply it synchronously. Since it is a third party API I can't really modify the ...
- 2,070
2
votes
0
answers
969
views
Use cases for threading and asyncio in python
I've read quite a few articles on threading and asyncio modules in python and the major difference I can seem to draw (correct me if I'm wrong) is that in,
threading: multiple threads can be used to ...
1
vote
0
answers
81
views
How to make a python multi-threading scraper as a websocket server
I currently have a python multi-threading scraper that looks like following, how can I turn this into a websocket server so that it can push message once the scraper found some new data? Most ...
- 423
0
votes
1
answer
34
views
Asyncio getting different outputs
In the first example I am getting output I expect here to be, but I can't say same about second example. Technically, in both example I have 3 tasks (Just in second example, I am scheduling 2 coros ...
- 15
0
votes
1
answer
846
views
How can I run asyncio in different classes simultaneously
How can I run asyncio in different classes simultaneously? For example, I have first class, where I have method async def main(). I have second class, where method display_info, which must always ...
- 43
0
votes
0
answers
146
views
Is there any way to get the result of an async method without blocking?
I'm providing some services through REST API that will occurs DB operation while performing a request.
So i'm trying to create a class that performs queries using oracledb(cx_Oracle).
A problem arises ...
- 75
0
votes
1
answer
177
views
Process async results in another thread - app architecture (python-3.7)
I have a programm that receives Data (Trades) from the Binance API.
This data will be processed and visualized in a web-app with dash and plotly.
In order to get best performance and the slightest ...
- 1
1
vote
1
answer
254
views
Should Python process wait for a job forked using `run_in_executor`, although I did not wait for?
Assume we have the following script:
def sync_sleep(x):
print("sync_sleep going to sleep")
time.sleep(x)
print("sync_sleep awake")
async def main():
loop = asyncio....
- 3,654
1
vote
1
answer
2k
views
How to return values from an asynchronous function that is executed in a thread in python?
I am new to asynchronous functions and threads, and I am trying to return a series of values obtained from a Web socket to pass to another thread where synchronous code is executing. In the code, I ...
- 71
0
votes
0
answers
485
views
Asyncio: Create One Event Loop Per Child Thread
Context
I'm using Python Playwright's asynchronous API to test a web application. I want to run two batches of coroutines in two child threads concurrently where each thread will have its own event ...
- 1,731
2
votes
1
answer
429
views
How to evaluate multiple functions on one generator using asyncio instead of threading?
The Goal
This effort is towards creating an efficient solution to the following problem.
source = lambda: range(1 << 24) # for example
functions = (min, max, sum) # for example
data = tuple(...
- 945
1
vote
0
answers
627
views
StreamConn unsubscribe() and close() appear not to work (AlpacaAPI), seeking opinions
Just getting into working with the Alpaca API (also uses the Polygon IO service) and ran into the following issue, which appears like it should be straightforward, but I'm stuck. The code initializes ...
- 41
0
votes
1
answer
216
views
Python3.5 Async execution similar to Java-SpringBoot @EnableAsync @Async annotations
I want to simulate an async python3.5 function similar to what we have in Java with the SpringBoot @EnableAsync @Async annotation.
In Spring, methods annotated with the @Async annotation, control is ...
- 8,381
9
votes
2
answers
5k
views
Debugging an async program in the pycharm debugger
My request is to get debugging data from the debugger and pycharm prompt:
Lets say I have an-old-style python synchronous program with a bug:
def listdir(self, remote_path):
with ssh....
- 4,164