Learn the structure of HTML. We begin by explaining why web scraping can be a valuable addition to your data science toolbox and then delving into some basics of HTML. We end the chapter by giving a brief introduction on XPath notation, which is used to navigate the elements within HTML code.

Tinjauan Umum Web Scraping

Web-scraping bukan omong kosong!

HyperText Markup Language

Navigasi pohon HTML secara verbal

Dari Pohon ke HTML

Atribut

Tetap Elegan

Menemukan href

Kilasan Cepat tentang XPath

Di mana saya?

Saatnya ke P

Sebuah span yang berkelas

Introduction to HTML

Leverage XPath syntax to explore scrapy selectors. Both of these concepts will move you towards being able to scrape an HTML document.

XPathology

Counting Elements in the Wild

Body Appendages

Choose DataCamp!

Off the Beaten XPath

Where it's @

Check your Class

Hyper(link) Active

Secret Links

Selector Objects

XPath Chaining

Divvy Up This Exercise

The Source of the Source

Course Class by Inspection

Requesting a Selector

XPaths and Selectors

Learn CSS Locator syntax and begin playing with the idea of chaining together CSS Locators with XPath. We also introduce Response objects, which behave like Selectors but give us extra tools to mobilize our scraping efforts across multiple websites. 

From XPath to CSS

The (X)Path to CSS Locators

Get an "a" in this Course

The CSS Wildcard

CSS Attributes and Text Selection

You've been `href`ed

Top Level Text

All Level Text

Respond Please!

Reveal By Response

Responding with Selectors

Selecting from a Selection

Survey

Titular

Scraping with Children

CSS Locators, Chaining, and Responses

Learn to create web crawlers with scrapy. These scrapy spiders will crawl the web through multiple pages, following links to scrape each of those pages automatically according to the procedures we've learned in the previous chapters.

Your First Spider

Inheriting the Spider

Hurl the URLs

Start Requests

Self Referencing is Classy

Starting with Start Requests

Parse and Crawl

Pen Names

Crawler Time

Capstone

Time to Run

DataCamp Descriptions

Capstone Crawler

The Finale

Spiders

DataCamp webpage HTML

Kemampuan untuk membangun alat yang dapat mengambil dan mengurai informasi yang tersimpan di seluruh internet telah dan akan terus bernilai dalam berbagai aspek data science. Dalam kursus ini, Anda akan mempelajari cara menavigasi dan mengurai kode HTML, serta membangun alat untuk merayapi situs web secara otomatis. Meskipun proses scraping kita dilakukan menggunakan pustaka Python yang serbaguna, yaitu scrapy, banyak teknik yang Anda pelajari di kursus ini juga dapat diterapkan pada pustaka Python populer lainnya, termasuk BeautifulSoup dan Selenium. Setelah menyelesaikan kursus ini, Anda akan memiliki pemahaman yang kuat tentang struktur HTML, mampu membangun alat untuk mengurai kode HTML dan mengakses informasi yang diinginkan, serta membuat spider scrapy sederhana untuk merayapi web dalam skala besar.

Intermediate Python

Pelajari cara mengambil dan mengurai informasi dari internet menggunakan pustaka Python scrapy.

Web Scraping dengan Python

Pengembang Python

Navigasi pohon HTML secara verbal

Web Scraping dengan Python

Latihan interaktif praktis