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Fletcher

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Fletcher is a cross-website product information fetcher. Just give fletcher a product's url and you'll get back a nice, uniform object that's easy to work with.

Features

  • No third-party API access required (good for websites that don't even have API access)
  • Uses nokogiri for data parsing

Supported Websites

Installation

gem install fletcher

Usage

API

require "fletcher"

product  = Fletcher.fetch "http://www.amazon.com/Avenir-Deluxe-Unicycle-20-Inch-Wheel/dp/B00165Q9F8"

product.name # => "Avenir Deluxe Unicycle (20-Inch Wheel)"

product.description # => "A wonderful unicycle"

product.images.count # => 1
product.image # => {:src => "http://ecx.images-amazon.com/images/I/41b3TNb3uCL._SL500_AA300_.jpg", :alt => "Picture of Unicycle"}
product.image.src # => "http://ecx.images-amazon.com/images/I/41b3TNb3uCL._SL500_AA300_.jpg"

product.price # => #<Money cents:500 currency:USD>
product.price.to_f # => 5.0
product.price.format # => "$5.00"  
product.price.currency.symbol # => "$"

# Get Raw Nokogiri Document
product.doc.class.name # => Nokogiri::HTML::Document

# Get list of supported websites/services
Fletcher.models # => [:amazon, :ebay, :etsy, :thinkgeek, ...]

CLI

Get Product Details (defaults to yaml output):

$ fletcher fetch "http://www.amazon.com/Avenir-Deluxe-Unicycle-20-Inch-Wheel/dp/B00165Q9F8"

---
name: Avenir Deluxe Unicycle (20-Inch Wheel)
description: 'Amazon.com: Avenir Deluxe Unicycle (20-Inch Wheel): Sports & Outdoors'
price: $99.99
image:
  src: http://ecx.images-amazon.com/images/I/41b3TNb3uCL._SL500_AA280_.jpg
url: http://www.amazon.com/Avenir-Deluxe-Unicycle-20-Inch-Wheel/dp/B00165Q9F8

Get a single attribute of a product:

$ fletcher fetch --only name "http://www.amazon.com/Avenir-Deluxe-Unicycle-20-Inch-Wheel/dp/B00165Q9F8"
Avenir Deluxe Unicycle (20-Inch Wheel)

Get list of supported websites:

$ fletcher websites
Amazon
ThinkGeek
...

Attributes

The following attributes/method are available for a product:

  • name - (String) The name of the product
  • description - (String) The product's description
  • price - (Money) A Money object representing the product's price. This makes converting exchange rates and math functionality easy to use.
  • image - (Hash) The main image of the product, if available. This is a hash containing standard HTML attributes: src, alt, width, height, etc.
  • images - (Array) An array of product images.
  • doc - The raw Nokogiri::HTML::Document object for the product. You can use this to pull other stuff from the product's page.

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A cross-website product information fetcher for ruby.

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