I have a command that works to send multiple type of messages that follow the same structure but I am using a helping function to send the message. For simplicity, my code looks similar to this: Option 1: Option 2 is making every function async and calling helper with await. It is my first time creating a dis…
Tag: asynchronous
asyncio add_signal_handler not catching sigint or sigterm
I’m having some trouble debugging an issue, I have an asyncio project and I would like it to shutdown gracefully. When I run my code and send a KeyboardInterrupt or TERM signal from a different screen, nothing seems to happen and it doesn’t look like clean_loop is being called. EDIT: I think I was…
How to avoid “too many requests” error with aiohttp
Here’s a snippet of my parser code. It does 120 requests asynchronously. However, every response returns 429 “too many requests” error. How do I make it “slower”, so the api won’t reject me? Error: Answer Try to use asyncio.Semaphore:
Can’t understand how D. Beazley monitor future in its code on concurrence
Trying to understand concurrency based on generators, I try to follow the talk by D. Beazley. I don’t understand the purpose of future_monitor and was wondering what are the consequence of taking the function out? Here is its implementation of asynchronous server and, right after, my implementation with…
Retry async aiohttp requests for certain status codes
What is the best way to retry async API calls using aiohttp? I want to retry the request for the standard socket error, timeout error, etc as well as for certain status codes 500, 501. I have tried using aiohttp_async, but can’t get it to work: Output: Answer It looks like you have installed aiohttp_ret…
Use the same websocket connection in multiple asynchronous loops (Python)
I am running two loops asynchronously, and want both to have access to the same websocket connection. One function periodic_fetch() fetches some data periodically (every 60 seconds) and sends a message to the websocket if a condition is met. The other retrieve_websocket() receives messages from the websocket …
How to run Airflow tasks synchronously
I have an airflow comprising of 2-3 steps PythonOperator –> It runs the query on AWS Athena and stores the generated file on specific s3 path BashOperator –> Increments the airflow variable for tracking BashOperator –> It takes the output(response) of task1 and and run some code on …
Run a Child Coroutine without Blocking Parent Coroutine
I’m running a Loop to listening information from some API. When I get any response from the API, I want to call a child coroutine that will sleep for few seconds, then process the Information and send it to my Telegram Account, this child coroutine can’t be non-async. I want to keep listening to t…
Basic python threading is not working. What am I missing in this?
I am trying to use python threading and am having problems getting the threads to work independently. They seem to be running in sequential order and waiting for one to finish before starting to process the next thread. I have read other posts suggesting that I need to get more work into the threads to differ…
Plotting the pool map for multi processing Python
How can I run multiple processes pool where I process run1-3 asynchronously, with a multi processing tool in python. I am trying to pass the values (10,2,4),(55,6,8),(9,8,7) for run1,run2,run3 respectively? Answer You just need to use method starmap instead of map, which, according to the documentation: Like …