Automating 12306 Train Ticket Queries: A Comparative Study of HTTP Scraping and Selenium Automation

Automating 12306 Train Ticket Queries: A Comparative Study of HTTP Scraping and Selenium Automation Automating routine tasks on web platforms often requires choosing between lightweight API interaction and robust browser automation. This article details two Python implementations for querying train availability on the 12306 railway system. The ...

Posted on Fri, 08 May 2026 15:57:37 +0000 by maxelcat

Real-Time File Synchronization Using inotifywait and rsync

Real-Time Directory Synchronization In production environments, maintaining consistent file states across multiple servers is critical. A common requirement involves continuously mirroring changes from a primary directory—such as an NFS export—to a designated path on a backup server. Core Synchronization Approach Two widely adopted methods enab ...

Posted on Fri, 08 May 2026 00:23:39 +0000 by hazel999

Retrieving Virtual Machine Device Information from ESXi Hosts Using Python

from pyVim.connect import SmartConnect from pyVmomi import vim import ssl import json def collect_vm_hardware(vm_obj): hardware_list = [] try: if vm_obj.config and hasattr(vm_obj.config.hardware, 'device'): for hw in vm_obj.config.hardware.device: if hasattr(hw.deviceInfo, 'label'): ...

Posted on Thu, 07 May 2026 10:21:46 +0000 by orange08

Python unittest Framework Fundamentals and Practical Usage

Core Components of unittest The unittest module is Python’s built-in unit testing framework, inspired by JUnit. It revolevs around four foundational abstractions: Test Case: A subclass of unittest.TestCase. Each method prefixed with test_ represents a individual test. The class may define setUp() and tearDown() for per-test setup and cleanup, ...

Posted on Thu, 07 May 2026 05:26:07 +0000 by fansa