Are lists thread-safe?
I notice that it is often suggested to use queues with multiple threads, instead of lists and .pop(). Is this because lists are not thread-safe, or for some other reason? 4 Answers 4
python-multithreading
Queue.Queue vs. collections.deque
I need a queue which multiple threads can put stuff into, and multiple threads may read from. Python has at least two queue classes, Queue.Queue and collections.deque, with the former seemingly using the latter internally. Both claim to be thread-safe in the documentation. However, the Queue docs also state: collections.deque is an alternative implementation of … Read more
How to obtain a Thread id in Python?
I have a multi-threading Python program, and a utility function, writeLog(message), that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message. I would like writeLog() to be able to add something to the message to identify which thread is calling it. … Read more
What is the use of join() in Python threading?
I was studying the python threading and came across join(). The author told that if thread is in daemon mode then i need to use join() so that thread can finish itself before main thread terminates. but I have also seen him using t.join() even though t was not daemon example code is this import … Read more
Daemon Threads Explanation
In the Python documentation it says: A thread can be flagged as a “daemon thread”. The significance of this flag is that the entire Python program exits when only daemon threads are left. The initial value is inherited from the creating thread. Does anyone have a clearer explanation of what that means or a practical … Read more
Timeout on a function call
I’m calling a function in Python which I know may stall and force me to restart the script. How do I call the function or what do I wrap it in so that if it takes longer than 5 seconds the script cancels it and does something else? 21 Answers 21
How can I use threading in Python?
I am trying to understand threading in Python. I’ve looked at the documentation and examples, but quite frankly, many examples are overly sophisticated and I’m having trouble understanding them. How do you clearly show tasks being divided for multi-threading? 2 21 Since this question was asked in 2010, there has been real simplification in how … Read more
