1
vote
1answer
5 views
Handling SIGINT in parallel fabric task
I'm using a multiprocessing.Manager to keep track of resources that I create in a parallel fabric task. If something goes wrong I often want to do a ctrl-c to halt the tasks, however I still need ...
0
votes
1answer
38 views
How do I stop a Thread in Python (I have an endless loop)
The following code is supposed to be for a timer that counts down:
from org.csstudio.opibuilder.scriptUtil import PVUtil, ConsoleUtil, ColorFontUtil
from java.lang import Thread, Runnable
import ...
1
vote
2answers
18 views
Python - Can't kill main thread with KeyboardInterrupt
I'm making a simple multi-threaded port scanner. It scans all ports on host and returns open ports. The trouble is interrupting the scan. It take a lot of time for a scan to complete and sometimes I ...
0
votes
0answers
17 views
Python multiprocessing and use of static methods
We have an application running multiple worker processes connected by a multiprocessing queue.
In order to take care about the DB connections and possible errors we build a static class taking care ...
0
votes
1answer
63 views
Why do threads continue to run after application has exited?
The following is a Python application which spans a few threads, then spawns a new process of itself and exits:
from pprint import pprint import os
import random
import signal
import sys
import ...
1
vote
1answer
20 views
Scheduler going idle under multithreading
I'm running Python 3.3.2, Win7/Pro, 64-bit and have some code in which I'm trying to run a scheduler in its own thread. It appears that when the scheduler empties its working queue, it goes idle and ...
3
votes
1answer
66 views
In C++, How to read one file with multiple threads?
I am reading a .csv file from local hard drive using VS2012 in Windows 7, 64-bits, 8 core.
The file that I am reading has 50,000+ lines and each line has 200+ attributes, so read the data and feed ...
0
votes
1answer
46 views
This Non-Threaded script unexpectedly runs faster than the Threaded version
I have a python script which validates data fetched from some rows in a database and then logs the errors in a different table in the same database.
The script validates each row and marks it as ...
0
votes
0answers
7 views
Using PySide.QtCore.Signal in threading.Thread object
I am using something like this:
import threading
from PySide import QtCore
class Smt(threading.Thread):
foo_signal = QtCore.Signal(object)
def __init__(self):
...
2
votes
1answer
35 views
time.strptime function throwing error when in threaded mode
I have a python function that works okay in "normal" mode but throws an error when I run it in a threaded function.
Function
def is_valid_date(date_value, is_mandatory):
'''validate a date ...
0
votes
1answer
21 views
PyQT threading error while passing a signal to a QMessageBox
I tried to receive a string from a thread to my main GUI using SIGNALs. Everything works fine until I want to use the string in a QMessageBox. Printing out is no problem but starting a QMessageBox ...
5
votes
1answer
94 views
Output reason for Python crash
I have an application which polls a bunch of servers every few minutes. To do this, it spawns one thread per server to poll (15 servers) and writes back the data to an object:
import requests
class ...
1
vote
0answers
34 views
Python Thread behavior different when code is run though IDE and command prompt
I had a issue while automating a web page whose solution I found here.
In the answer by me the second code snippet which is
#Assume that at this point you are on the page where you need to click on ...
2
votes
2answers
84 views
Multithreading works slower
Good day!
I'm trying to learn multithreading features in python and I wrote the following code:
import time, argparse, threading, sys, subprocess, os
def item_fun(items, indices, lock):
for ...
0
votes
1answer
19 views
python threads, multithreading with threading.thread
I have to launch a thread in the background but the output seems to be following the thread rather than sticking within main. I have something like this:
import threading
def work()
while True:
...
