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Showing posts with the label Python Asyncio

How Does The Asyncio Module Work, Why Is My Updated Sample Running Synchronously?

I have tried the following code in Python 3.6 for asyncio: Example 1: import asyncio import time a… Read more How Does The Asyncio Module Work, Why Is My Updated Sample Running Synchronously?

Running An Asyncio Loop In A Separate Thread, Signals From, And To Loop

I'm trying to make a UI which communicates in the background with several BLE devices. For that… Read more Running An Asyncio Loop In A Separate Thread, Signals From, And To Loop

Running An Asynchronous Function 'in The Background'

I have several asynchronous functions. If I call _main(), I can't use the second _check() funct… Read more Running An Asynchronous Function 'in The Background'

Await Outside Async In Async/await

Was using the multiprocessing process before async, to test which is faster I am trying to run the … Read more Await Outside Async In Async/await

Python - Running Autobahn|python Asyncio Websocket Server In A Separate Subprocess Or Thread

I have a tkinter based GUI program running in Python 3.4.1. I have several threads running in the p… Read more Python - Running Autobahn|python Asyncio Websocket Server In A Separate Subprocess Or Thread

Python Asyncio: Reader Callback And Coroutine Communication

I am trying to implement a simple idea of passing a data from stdin to a coroutine: import asyncio … Read more Python Asyncio: Reader Callback And Coroutine Communication

How To Read A File As It Is Being Written In Real Time With Python 3 And Asyncio, Like "tail -f"

I want to write a Python program on Linux that reads a log file in real time as it is being written… Read more How To Read A File As It Is Being Written In Real Time With Python 3 And Asyncio, Like "tail -f"

How To Send Data Periodically With Asyncio.protocol Subclass

I have asyncio.Protocol subclass class MyProtocol(Protocol): def __init__(self, exit_future): … Read more How To Send Data Periodically With Asyncio.protocol Subclass

Getting Values From Functions That Run As Asyncio Tasks

I was trying the following code: import asyncio @asyncio.coroutine def func_normal(): prin… Read more Getting Values From Functions That Run As Asyncio Tasks

"runtimeerror: This Event Loop Is Already Running"; Debugging Aiohttp, Asyncio And Ide "spyder3" In Python 3.6.5

I'm struggling to understand why I am getting the 'RuntimeError: This event loop is already… Read more "runtimeerror: This Event Loop Is Already Running"; Debugging Aiohttp, Asyncio And Ide "spyder3" In Python 3.6.5

How Can You Wait For Completion Of A Callback Submitted From Another Thread?

I have two Python threads that share some state, A and B. At one point, A submits a callback to be … Read more How Can You Wait For Completion Of A Callback Submitted From Another Thread?

What Is The Best Way To Load Multiple Files Into Memory In Parallel Using Python 3.6?

I have 6 large files which each of them contains a dictionary object that I saved in a hard disk us… Read more What Is The Best Way To Load Multiple Files Into Memory In Parallel Using Python 3.6?

How To Use Event Loop Created By Uvicorn?

I am using uvicorn and I need to use the existing event loop. I'm using the following command: … Read more How To Use Event Loop Created By Uvicorn?

How To Safely Read Readerstream From Asyncio Without Breaking The Stream

I am trying to build a man-in-middle proxy server that relays the client request to the various pro… Read more How To Safely Read Readerstream From Asyncio Without Breaking The Stream

Trying To Implement 2 "threads" Using `asyncio` Module

I've played around with threading before in Python, but decided to give the asyncio module a tr… Read more Trying To Implement 2 "threads" Using `asyncio` Module

Asyncio And Pyzmq - 'utf-8' Codec Can't Decode Byte 0xff In Position 0

I have a asyncio server, which is an example from the TCP Doc. However I'm connecting to it usi… Read more Asyncio And Pyzmq - 'utf-8' Codec Can't Decode Byte 0xff In Position 0

Is It Possible To Run Only A Single Step Of The Asyncio Event Loop

I'm working on a simple graphical network application, using asyncio and tkinter. I'm runni… Read more Is It Possible To Run Only A Single Step Of The Asyncio Event Loop

Does __await__ Need To Be A Generator?

I want to implement an awaitable and noticed that __await__ 'needs' to be a generator. From… Read more Does __await__ Need To Be A Generator?

Why Can't I 'yield From' Inside An Async Function?

In Python 3.6, I am able to use yield inside a coroutine. However I am not able to use yield from. … Read more Why Can't I 'yield From' Inside An Async Function?

Python Parallelising "async For"

I have the following method in my Tornado handler: async def get(self): url = 'url here… Read more Python Parallelising "async For"