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Scrapyrt (Scrapy realtime)

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Introduction

HTTP server which provides API for scheduling Scrapy spiders and making requests with spiders.

Features

  • Allows you to easily add HTTP API to your existing Scrapy project
  • All Scrapy project components (e.g. middleware, pipelines, extensions) are supported out of the box.
  • You simply run Scrapyrt in Scrapy project directory and it starts HTTP server allowing you to schedule your spiders and get spider output in JSON format.

Note

  • Project is not a replacement for Scrapyd or Scrapy Cloud or other infrastructure to run long running crawls
  • Not suitable for long running spiders, good for spiders that will fetch one response from some website and return response

Getting started

To install Scrapyrt:

pip install scrapyrt

Now you can run Scrapyrt from within Scrapy project by just typing:

scrapyrt

in Scrapy project directory.

Scrapyrt will look for scrapy.cfg file to determine your project settings, and will raise error if it won't find one. Note that you need to have all your project requirements installed.

Scrapyrt supports endpoint /crawl.json that can be requested with two methods: GET and POST.

To run sample toscrape-css spider from Quotesbot parsing page about famous quotes:

curl "http://localhost:9080/crawl.json?spider_name=toscrape-css&url=http://quotes.toscrape.com/"

To run same spider only allowing one request and parsing url with callback parse_foo:

curl "http://localhost:9080/crawl.json?spider_name=toscrape-css&url=http://quotes.toscrape.com/&callback=parse_foo&max_requests=1"

Documentation

Documentation is available on readthedocs.

Support

Open source support is provided here in Github. Please create a question issue (ie. issue with "question" label).

Commercial support is also available by Zyte.

License

ScrapyRT is offered under BSD 3-Clause license.

Development

Development taking place on Github.

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HTTP API for Scrapy spiders

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  • Python 98.8%
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