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Web scraping with Python : collecting more data from the modern web /

If programming is magic then web scraping is surely a form of wizardry. By writing a simple automated program, you can query web servers, request data, and parse it to extract the information you need. The expanded edition of this practical book not only introduces you web scraping, but also serves...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Mitchell, Ryan (Ryan E.) (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Sebastopol, CA : O'Reilly Media, 2018.
Edición:Second edition.
Temas:
Acceso en línea:Texto completo (Requiere registro previo con correo institucional)

MARC

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245 1 0 |a Web scraping with Python :  |b collecting more data from the modern web /  |c Ryan Mitchell. 
246 3 0 |a Collecting more data from the modern web 
250 |a Second edition. 
264 1 |a Sebastopol, CA :  |b O'Reilly Media,  |c 2018. 
264 4 |c ©2018 
300 |a 1 online resource (xv, 288 pages) :  |b illustrations 
336 |a text  |b txt  |2 rdacontent 
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500 |a Includes index. 
505 0 |a Intro; Preface; What Is Web Scraping?; Why Web Scraping?; About This Book; Conventions Used in This Book; Using Code Examples; O'Reilly Safari; How to Contact Us; Acknowledgments; I. Building Scrapers; 1. Your First Web Scraper; Connecting; An Introduction to BeautifulSoup; Installing BeautifulSoup; Running BeautifulSoup; Connecting Reliably and Handling Exceptions; 2. Advanced HTML Parsing; You Don't Always Need a Hammer; Another Serving of BeautifulSoup; find() and find_all() with BeautifulSoup; Other BeautifulSoup Objects; Navigating Trees; Dealing with children and other descendants 
505 8 |a Dealing with siblingsDealing with parents; Regular Expressions; Regular Expressions and BeautifulSoup; Accessing Attributes; Lambda Expressions; 3. Writing Web Crawlers; Traversing a Single Domain; Crawling an Entire Site; Collecting Data Across an Entire Site; Crawling Across the Internet; 4. Web Crawling Models; Planning and Defining Objects; Dealing with Different Website Layouts; Structuring Crawlers; Crawling Sites Through Search; Crawling Sites Through Links; Crawling Multiple Page Types; Thinking About Web Crawler Models; 5. Scrapy; Installing Scrapy; Initializing a New Spider 
505 8 |a Writing a Simple ScraperSpidering with Rules; Creating Items; Outputting Items; The Item Pipeline; Logging with Scrapy; More Resources; 6. Storing Data; Media Files; Storing Data to CSV; MySQL; Installing MySQL; Some Basic Commands; Integrating with Python; Database Techniques and Good Practice; "Six Degrees" in MySQL; Email; II. Advanced Scraping; 7. Reading Documents; Document Encoding; Text; Text Encoding and the Global Internet; A history of text encoding; Encodings in action; CSV; Reading CSV Files; PDF; Microsoft Word and .docx; 8. Cleaning Your Dirty Data; Cleaning in Code 
505 8 |a Data NormalizationCleaning After the Fact; OpenRefine; Installation; Using OpenRefine; Filtering; Cleaning; 9. Reading and Writing Natural Languages; Summarizing Data; Markov Models; Six Degrees of Wikipedia: Conclusion; Natural Language Toolkit; Installation and Setup; Statistical Analysis with NLTK; Lexicographical Analysis with NLTK; Additional Resources; 10. Crawling Through Forms and Logins; Python Requests Library; Submitting a Basic Form; Radio Buttons, Checkboxes, and Other Inputs; Submitting Files and Images; Handling Logins and Cookies; HTTP Basic Access Authentication 
505 8 |a Other Form Problems11. Scraping JavaScript; A Brief Introduction to JavaScript; Common JavaScript Libraries; jQuery; Google Analytics; Google Maps; Ajax and Dynamic HTML; Executing JavaScript in Python with Selenium; Additional Selenium Webdrivers; Handling Redirects; A Final Note on JavaScript; 12. Crawling Through APIs; A Brief Introduction to APIs; HTTP Methods and APIs; More About API Responses; Parsing JSON; Undocumented APIs; Finding Undocumented APIs; Documenting Undocumented APIs; Finding and Documenting APIs Automatically; Combining APIs with Other Data Sources; More About APIs 
520 |a If programming is magic then web scraping is surely a form of wizardry. By writing a simple automated program, you can query web servers, request data, and parse it to extract the information you need. The expanded edition of this practical book not only introduces you web scraping, but also serves as a comprehensive guide to scraping almost every type of data from the modern web. Part I focuses on web scraping mechanics: using Python to request information from a web server, performing basic handling of the server's response, and interacting with sites in an automated fashion. Part II explores a variety of more specific tools and applications to fit any web scraping scenario you're likely to encounter. 
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650 0 |a Data mining. 
650 0 |a Automatic data collection systems. 
650 2 |a Data Mining 
650 6 |a Python (Langage de programmation) 
650 6 |a Exploration de données (Informatique) 
650 6 |a Collecte automatique des données. 
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650 7 |a Data mining  |2 fast 
650 7 |a Python (Computer program language)  |2 fast 
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