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opengraph is a Go library and command-line tool for extracting Open Graph metadata from HTML documents

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johnreutersward/opengraph

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opengraph

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ogp

opengraph is a Go library and command-line tool for extracting Open Graph metadata from HTML documents.

Library

Install

import "github.com/johnreutersward/opengraph"

Usage

To extract Open Graph metadata from a movie on IMDb (sans error handling)

res, _ := http.Get("http://www.imdb.com/title/tt0118715/")
md, _ := opengraph.Extract(res.Body)
for i := range md {
	fmt.Printf("%s = %s\n", md[i].Property, md[i].Content)
}

Which will output

url = http://www.imdb.com/title/tt0118715/
type = video.movie
title = The Big Lebowski (1998)
site_name = IMDb
description = Directed by Joel Coen, Ethan Coen.  With Jeff Bridges ...
...

Command-line tool

Install

Binary releases:

https://github.com/johnreutersward/opengraph/releases

Or build from source:

$ go get github.com/johnreutersward/opengraph/cmd/opengraph

Usage

$ opengraph http://www.imdb.com/title/tt0118715/
type: video.movie
title: The Big Lebowski (1998)
site_name: IMDb
...

Output in JSON:

$ opengraph -json http://www.imdb.com/title/tt0118715/
[
  {
    "Property": "type",
    "Content": "video.movie",
    "Prefix": "og"
  },
  {
    "Property": "title",
    "Content": "The Big Lebowski (1998)",
    "Prefix": "og"
  },
  {
    "Property": "site_name",
    "Content": "IMDb",
    "Prefix": "og"
  },
  ...
]

License

MIT

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opengraph is a Go library and command-line tool for extracting Open Graph metadata from HTML documents

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