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Readability

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Readability is a tool for extracting and curating the primary readable content of a webpage.

Installation

The package can be installed as:

Add :readability to your list of dependencies in mix.exs:

def deps do
  [
    {:readability, "~> 0.12"}
  ]
end

After that, run mix deps.get.

Note: Readability requires Elixir 1.10 or higher.

Usage

Examples

Just pass a url

url = "https://medium.com/@kenmazaika/why-im-betting-on-elixir-7c8f847b58"
summary = Readability.summarize(url)

summary.title
#=> "Why I’m betting on Elixir"

summary.published_at
#=> ~U[2015-02-23 16:53:27.006Z]

summary.authors
#=> ["Ken Mazaika"]

summary.article_html
#=>
# <div><div><p id=\"3476\"><strong><em>Background: </em></strong><em>I’ve spent...
# ...
# ...button!</em></h3></div></div>

summary.article_text
#=>
# Background: I’ve spent the past 6 years building web applications in Ruby and.....
# ...
# ... value in this article, it would mean a lot to me if you hit the recommend button!

From raw html

### Extract the title.
Readability.title(html)

### Extract the published at
Readability.published_at(html)

### Extract authors.
Readability.authors(html)

### Extract the primary content with transformed html.
html
|> Readability.article
|> Readability.readable_html

### Extract only text from the primary content.
html
|> Readability.article
|> Readability.readable_text

### you can extract the primary images with Floki
html
|> Readability.article
|> Floki.find("img")
|> Floki.attribute("src")

Options

If the result is different from your expectations, you can add options to customize it.

Example

url = "https://medium.com/@kenmazaika/why-im-betting-on-elixir-7c8f847b58"
summary = Readability.summarize(url, [clean_conditionally: false])
  • :min_text_length \\ 25
  • :remove_unlikely_candidates \\ true
  • :weight_classes \\ true
  • :clean_conditionally \\ true
  • :retry_length \\ 250

You can find other algorithm and regex options in readability.ex

Test

To run the test suite:

$ mix test

Todo

  • Extract authors
  • More configurable
  • Summarize function
  • Convert relative paths into absolute paths of img#src and a#href

Contributions are welcome!

Check out the main features milestone and features of related projects below

Contributing

  1. Fork the repo on GitHub
  2. Clone the project to your own machine
  3. Commit changes to your own branch
  4. Push your work back up to your fork
  5. Submit a Pull request so that we can review your changes

NOTE: Be sure to merge the latest from "upstream" before making a pull request!

Related and Inspired Projects

  • readability.js is a standalone version of the readability library used for Firefox Reader View.
  • newspaper is an advanced news extraction, article extraction, and content curation library for Python.
  • ruby-readability is a tool for extracting the primary readable content of a webpage.

Copyright and License

Copyright (c) 2016 Jaehyun Shin

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.