All Questions
37 questions
0
votes
1
answer
72
views
How to ask for userinput and do something else at the same time
I am trying to make a simple command line irc client.
I basically want to receive and send messages. The problem is that in the code below the program waits until some input is given, as expected. So ...
- 1
1
vote
1
answer
57
views
Threading in python is not running concurrently [duplicate]
from time import sleep
import threading
def sleep_and_print(duration, name):
sleep(duration)
print(name)
t1 = threading.Thread(target=sleep_and_print(2, "three second sleep"))
t2 = ...
- 45
0
votes
1
answer
449
views
Attempting to run threads concurrently inside while loop in Python 3.11
I am trying to get my head around threading in Python 3.11 and I am trying to work out why when I put a time.sleep(120) inside execute_subtasks that the next thread is not processed and the code ...
- 17.3k
0
votes
1
answer
142
views
How to run threads with django
How to run thread with Django how to send data inside views file
from django.shortcuts import render
from django.http.response import HttpResponse
from datetime import datetime
from .pnet import ...
0
votes
1
answer
606
views
Python, ThreadPoolExecutor, pool execution doesnt terminate
I have got I simple code modelling a more complicated problem I am to solve. Here I have 3 funcs- worker, task submitter (seek tasks and put it to queue once it gets new ones) and function creating ...
user20426821
0
votes
3
answers
178
views
How to run multiple threads together in simpler code in Python?
I'm trying to simplify the code of threads below:
import threading
def test1():
print("test1")
def test2():
print('test2')
thread1 = threading.Thread(target=test1)
thread2 = ...
0
votes
3
answers
325
views
Unexpected behavior of Threading.join() - Code between calls to Threading.join()
Does the order of the Threading.join()s in the source code GUARANTEE the order of execution of the threads OR IS IT SIMPLY to ensure that the main thread finishes UNTIL ALL THREADS FINISH?
import ...
user19551894
0
votes
1
answer
759
views
Execute threads in certain order
When we launch threads, is it known for SURE which thread will be executed first or is it something not predictable ?
I say this because square is always called first and then cube.
import threading
...
user19481364
0
votes
1
answer
2k
views
Why does a result() from concurrent.futures.as_completed() occasionally return None?
I've been writing a fairly complex series of modules to help test our poorly documented networking gear, this one focused on trying the various passwords used across the company. I've been using the ...
- 13
0
votes
1
answer
77
views
how can deadlock occur if locks guarantee atomicity
Situation 1:
//snippet1
a=1
if(a!=0){
print(a);
}
//snippet2
a=0;
lets say thread T1 is executing snippet1, checks the if condition (which is true),enters the scope of if, then T1 is interrupted, and ...
- 17
1
vote
0
answers
220
views
Nested threadpool with different worker count
I've started learning Python and came across a scenario where I have to implement two separate queues:
I have N processes and two operations, O1 and O2.
I want to run O1 with 4 workers.
And O2 with 1 ...
- 11
1
vote
2
answers
190
views
Python multi threads synchronization
I created several threads to run the same function with different arguments concurrently. I want each thread to be blocked until a delay passed from the run of the last thread. I use threading.Queue ...
- 63
1
vote
1
answer
964
views
Terminate executor using ThreadPoolExecutor from concurrent.futures module
I am trying to terminate a ThreadPool based on values returned from long running request. I wish to terminate the ThreadPool once the sum of the request return values reaches MIN_REQUIRED_VALUE
I am ...
- 508
0
votes
0
answers
151
views
How to make sure concurrent.futures.ThreadPoolExecutor stores data in the correct order?
I have a dataframe that consists of all the links that I will use requests to scrape the data.
I am using concurrent.futures.ThreadPoolExecutor to loop through all the links from the dataframe and ...
- 135
0
votes
1
answer
86
views
'threading' library in Python | Concurrency or Parallelism?
I'm a noob at using threading library. I have been implementing from threading import Thread in conjunction with unittest and hypothesis libraries for test cases.
Concurrency vs. Parallelism is ...
user14714819