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Python Web Scraping Cookbook

You're reading from  Python Web Scraping Cookbook

Product type Book
Published in Feb 2018
Publisher Packt
ISBN-13 9781787285217
Pages 364 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Michael Heydt Michael Heydt
Profile icon Michael Heydt

Table of Contents (13) Chapters

Preface 1. Getting Started with Scraping 2. Data Acquisition and Extraction 3. Processing Data 4. Working with Images, Audio, and other Assets 5. Scraping - Code of Conduct 6. Scraping Challenges and Solutions 7. Text Wrangling and Analysis 8. Searching, Mining and Visualizing Data 9. Creating a Simple Data API 10. Creating Scraper Microservices with Docker 11. Making the Scraper as a Service Real 12. Other Books You May Enjoy

Downloading and saving images to the local file system

Sometimes when scraping we just download and parse data, such as HTML, to extract some data, and then throw out what we read. Other times, we want to keep the downloaded content by storing it as a file.

How to do it

The code example for this recipe is in the 04/05_save_image_as_file.py file. The portion of the file of importance is:

# download the image
item = URLUtility(const.ApodEclipseImage())

# create a file writer to write the data
FileBlobWriter(expanduser("~")).write(item.filename, item.data)

Run the script with your Python interpreter and you will get the following output:

Reading URL: https://apod.nasa.gov/apod/image/1709/BT5643s.jpg
Read 171014 bytes
Attempting...
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