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Simple website crawler that asynchronously crawls a website and all subpages that it can find, along with static content that they rely on.

Project description

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Simple website crawler that asynchronously crawls a website and all subpages that it can find, along with static content that they rely on. You can either use it as a library, inside your Python project or check out the provided CLI that can currently show you the crawled data (links, images, CSS and Javascript files) for each found site and create a sitemap.xml file.

Created primarily to play with asyncio, aiohttp and the new async/await syntax, so:

  • it requires Python 3.5 or higher
  • new features are not planned at the moment; feel free to suggest them though, as I’m happy to implement them if someone will actually use them ; -)

Full disclosure - halfway through the project I found this article (and code) which does pretty much exactly what I wanted and is co-written by the BDFL himself. Oh well. I still finished the project and didn’t copy anything explicitly but it did influence some of my choices. After all, if it’s good enough for the creator of the language I’m using, it’s probably good enough for me.

Installation

>From PyPI:

$ pip3 install simple-site-crawler

With git clone:

$ git clone https://github.com/pawelad/simple-site-crawler
$ pip3 install -r simple-site-crawler/requirements.txt
$ cd simple-site-crawler/bin

Usage

$ simple-site-crawler --help
Usage: simple-site-crawler [OPTIONS] URL

  Simple website crawler that generates its sitemap and can either print it
  (and its static content) or export it to standard XML format.

  See https://github.com/pawelad/simple-site-crawler for more info.

Options:
  -t, --max-tasks INTEGER  Maximum allowed number of async tasks.
  -e, --export-to-xml      Export sitemap to XML file.
  -s, --suppress           Suppress printing output to stdout.
  --help                   Show this message and exit.

API

There’s no proper documentation as of now, but the code is commented and should be pretty straightforward to use.

That said - feel free to ask me either via email or GitHub issues if anything is unclear.

Tests

Package was tested with the help of py.test and tox on Python 3.5 and 3.6 (see tox.ini).

Code coverage is available at Coveralls.

To run tests yourself you need to run tox inside the repository:

$ pip install -r requirements/dev.txt
$ tox

Contributions

Package source code is available at GitHub.

Feel free to use, ask, fork, star, report bugs, fix them, suggest enhancements, add functionality and point out any mistakes. Thanks!

Authors

Developed and maintained by Paweł Adamczak.

Released under MIT License.

Project details


Release history Release notifications

This version
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0.1.1

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0.1.0

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