Python Threading library use example -the best practice of concurrent execution task
The Threading library of Python is a module for multi -threaded programming in Python.Through multi -threaded programming, multiple tasks can be performed at the same time at the same time to improve the operating efficiency of the program.
The following is the best practical example of the implementation task of implementing concurrent execution tasks:
python
import threading
# Define a function as a task to perform as a thread
def task(name):
print(f"Starting task {name}")
# Perform specific task logic here
print(f"Task {name} completed")
# Create multiple threads and allocate tasks
def main():
# Definition task list
tasks = ["Task 1", "Task 2", "Task 3"]
# Create thread list
threads = []
#
for task_name in tasks:
# Create a thread
thread = threading.Thread(target=task, args=(task_name,))
#
thread.start()
# Add the thread to the thread list
threads.append(thread)
# Waiting for all threads to complete
for thread in threads:
thread.join()
print("All tasks completed")
# Execute the main function
if __name__ == '__main__':
main()
In this example, we first define a task function `task`, which accepts a parameter` name` to indicate the name of the task.Inside the task function, we can write specific task logic.
Then, in the `main` function, we define a task list` tasks`, which contains three task names.Then, we create a empty thread list `Threads` to store the created thread objects.
Next, we use a cycle to create a thread object and start the thread.For each task name, we create a new thread object, use the task function `task` as the target function, and pass the task name as a parameter.Then, we use the `Start ()" method to start the thread and add the thread object to the thread list.
After all threads are created and started, we use the `Join ()" method to wait for all threads to complete.This will block the main thread until all threads are executed.Finally, we printed "All Tasks Completed" indicating that all tasks have been completed.
In this way, we can carry out multiple tasks to improve the implementation efficiency of the program.
It should be noted that there may be thread security issues in multi -threaded programming, and appropriate synchronization mechanisms need to be carried out according to the specific situation to ensure that data access between threads does not have competitive conditions.
In addition to the above code examples, some related configurations and parameters are usually considered in actual applications, such as the size of the thread pool, thread priority, etc., as well as other possible tone skills and best practices.