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You're reading from  Python Web Scraping. - Second Edition

Product typeBook
Published inMay 2017
Reading LevelIntermediate
Publisher
ISBN-139781786462589
Edition2nd Edition
Languages
Python
Concepts
Data Mining
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Author (1)
Katharine Jarmul
Katharine Jarmul
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Katharine Jarmul

Katharine Jarmul is a data scientist and Pythonista based in Berlin, Germany. She runs a data science consulting company, Kjamistan, that provides services such as data extraction, acquisition, and modelling for small and large companies. She has been writing Python since 2008 and scraping the web with Python since 2010, and has worked at both small and large start-ups who use web scraping for data analysis and machine learning. When she's not scraping the web, you can follow her thoughts and activities via Twitter (@kjam)
Read more about Katharine Jarmul

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BMW

To investigate how to reverse engineer a new website, we will take a look at the BMW site. The BMW website has a search tool to find local dealerships, available at https://www.bmw.de/de/home.html?entryType=dlo:

This tool takes a location and then displays the points near it on a map, such as this search for Berlin:

Using browser developer tools such as the Network tab, we find that the search triggers this AJAX request:

https://c2b-services.bmw.com/c2b-localsearch/services/api/v3/ 
    clients/BMWDIGITAL_DLO/DE/ 
        pois?country=DE&category=BM&maxResults=99&language=en& 
            lat=52.507537768880056&lng=13.425269635701511

Here, the maxResults parameter is set to 99. However, we can increase this to download all locations in a single query, a technique covered in Chapter 1, Introduction to Web Scraping. Here is the result when maxResults is increased to 1000:

>>> import...
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Python Web Scraping. - Second Edition
Published in: May 2017Publisher: ISBN-13: 9781786462589
© 2017 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Katharine Jarmul

Katharine Jarmul is a data scientist and Pythonista based in Berlin, Germany. She runs a data science consulting company, Kjamistan, that provides services such as data extraction, acquisition, and modelling for small and large companies. She has been writing Python since 2008 and scraping the web with Python since 2010, and has worked at both small and large start-ups who use web scraping for data analysis and machine learning. When she's not scraping the web, you can follow her thoughts and activities via Twitter (@kjam)
Read more about Katharine Jarmul

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