A ruby library for parsing Google Drive spreadsheet documents. Performs a custom ETL procedure on each row.
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README.md

GoogleSheetReader

A ruby library for extracting spreadsheet data from Google Drive.

Performs a custom ETL procedure on each row.

Installation

Add this line to your application's Gemfile:

gem 'google_sheet_reader'

Or install yourself with gem install google_sheet_reader.

Usage

spreadsheet_id = "1a2B3C45_x0G44lk15Ff_M33ps"
# see Prerequisites section below for instructions on how to obtain most of these configuration option values ...
configuration_options = {
  :app_name => "my-app",
  :email_address => "abc-123@developer.gserviceaccount.com",
  :key_file_path => File.expand_path("../key_file/my-app-abc123xy456z.p12", __FILE__),
  :extraction_procedure => Proc.new do |row|
    "PARSING A SPREADSHEET ROW HERE -- #{row.inspect}"
  end
}

GoogleSheetReader.extract(spreadsheet_id, configuration_options)

Prerequisites

Drive API-enabled App

Visit the google developer console, create a new application, and note its name.

Navigate to the APIs & Auth > APIs menu and enable the Drive API by searching for it.

Service Account

Navigate to the APIs & Auth > Credentials menu and add credentials for a service account.

Choose the .p12 key file option, download it, optionally move it somewhere else, and finally note its file path.

Back in the browser, also note the service account's email address.

Spreadsheet

Create a spreadsheet, and inspect its url to find its document identifier: docs.google.com/spreadsheets/d/spreadsheet_id/edit.

Share the spreadsheet with the service account's email address in a "can edit" role.

Contributing

Browse existing issues or create a new issue to communicate bugs, desired features, etc.

After forking the repo and pushing your changes, create a pull request referencing the applicable issue(s).

Developing

After checking out the repo, run bin/setup to install dependencies.

Testing

Store a real service account .p12 key file in the spec/key_file/ directory, and add the following environment variables to your .bash_profile:

  • GOOGLE_SHEET_READER_APP_NAME
  • GOOGLE_SHEET_READER_EMAIL
  • GOOGLE_SHEET_READER_KEY_FILE_NAME
  • GOOGLE_SHEET_READER_FILE_ID

Run rake rspec or bundle exec rspec spec/ to run the tests.

Optionally run bin/console for an interactive prompt that will allow you to experiment.

Releasing

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

License