Text Processing and Web Scraping Fundamentals
File Manipulation and Text Processing
Core Concepts
Files serve as virtual storage units provided by operating systems to persist information. Text files include formats like .txt, .md, .py, .xml, and .ini that store character data, while multimedia files handle audio and video content.
Basic File Operations in Python
Locating Files
In developm ...
Posted on Tue, 21 Jul 2026 16:42:24 +0000 by sir nitr0z
Optimizing Network Requests with AIOHTTP: Asynchronous HTTP for Python Applications
Optimizing Network Requests with AIOHTTP: Asynchronous HTTP for Python Applications
AIOHTTP is a powerful asynchronous HTTP client/server library for Python that significantly improves network request efficiency compared to traditional synchronous approaches. This guide demonstrates how to implement asynchronous image downloads and optimize Py ...
Posted on Thu, 16 Jul 2026 17:08:00 +0000 by Magestic
Scraping Taobao Model Personal Profiles and Avatar Photos with Python
Many older Python scripts for scraping Taobao model content no longer function due to frequent updates to Taobao’s web pages. This walkthrough uses a refreshed approach to capture profile data and images.
1. Fetch Entry-Level Model Profile Links
Start by retrieving top-list model page content and converting card URLs to profile page URLs. Use S ...
Posted on Wed, 15 Jul 2026 17:00:54 +0000 by fewtrem
Python Crawler for Downloading CSDN Personal Blog Content
This crawler fetches content from a CSDN personal blog (either the main page or a category) and saves each article as a text file. Ensure the target URL includes ?viewmode=contents to retrieev all entries.
Basic Crawler
The basic version extracts article links from a page and saves each article’s content:
# -*- coding: utf-8 -*-
import urllib2
...
Posted on Wed, 15 Jul 2026 16:55:41 +0000 by Dilb
Automating Public Opinion Monitoring with Scheduled Tasks and WeChat Notifications
A public wager from 2015 resurfaced when a major technological milestone was achieved in 2022, seven years ahead of the predicted timeline. The original bet involved the launch of an aircarft carrier equipped with electromagnetic catapults. When the Fujian was launched with this specific technology, the original poster acknowledged the loss and ...
Posted on Mon, 06 Jul 2026 16:57:22 +0000 by qartis
Web Scraping with HTTP APIs: A Practical Guide to Data Extraction
While traditional web scraping often involves parsing HTML content, there's a more efficient approach: directly accessing data through HTTP APIs. Since most modern web services expose their data via RESTful APIs that typically use JSON format, this tutorial will explore how to extract data by making direct API calls. For those unfamiliar with R ...
Posted on Sat, 04 Jul 2026 17:49:05 +0000 by xdentan
Analyzing E-commerce Product Reviews with a Big Data Pipeline
Implementing a Data Pipeline for Product Review Analysis
This project outlines a data pipeline for analyzing customer reviews from an e-commerce platform. The process involves collecting data via web scraping, processing it using distributed computing frameworks, and visualizing the results. The goal is to extract insights regarding user behavi ...
Posted on Sun, 28 Jun 2026 17:34:32 +0000 by kashmirekat
Advanced Scrapy Techniques: Pagination, Data Pipelines, and Crawling Strategies
Handling Pagination and Multi-Level ExtractionTo effectively scrape structured data across multiple pages, developers must implement logic to identify and follow pagination links. A common use case involves extracting recruitment data where job details are located on separate pages from the listing.Suppose we are targeting a recruitment portal. ...
Posted on Sat, 27 Jun 2026 16:27:16 +0000 by torvald_helmer
Advanced Web Scraping with Python Requests: Session Management, Proxies, and Thread Pools
Session-Based Cookie Handling
When scraping user-specific data, traditional requests.get() calls often fail to retrieve the target information. Consider a scenario where you need to access a user's profile page on a social networking site. Without proper cookie management, you'll receive the login page instead of the authenticated profile data. ...
Posted on Fri, 26 Jun 2026 17:27:49 +0000 by Genesis730
Building a Simple Web Scraper with Node.js for Offline Documentation
To create an offline archive of web-based documentation, we can leverage Node.js core modules. This approach relies on the native http module for network requests, the fs module for saving files, and ES6 Promises to manage asynchronous operations.
1. Extracting URLs via the Browser
The first step involves identifying the specific pages to downl ...
Posted on Fri, 26 Jun 2026 17:09:46 +0000 by RussellReal