March 2019
Beginner
490 pages
12h 40m
English
book
Learning Python Networking - Second Edition
by José Manuel Ortega, Dr. M. O. Faruque Sarker, Sam Washington
Content preview from Learning Python Networking - Second Edition
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Executing EuroPython spider
We can execute our spider with the following command:
scrapy crawl europython_spider -o europython_items.json -t json
At the end of the process, we obtain the following as output files:
- europython_items.json
- europython_items.xml
- europython.sqlite
Each of these files are generated in the classes that are defined in the pipelines.py file and the JSON file is generated automatically by the spider.
Another interesting option is that spiders can manage arguments that are passed in the crawl command using the -a option. For example, the following command will extract the data of the sessions of the EuroPython 2018 from the following URL: http://ep2018.europython.eu/en/events/sessions:
scrapy crawl europython_spider ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.