Request Store Access via Shopify Partner Dashboard using Mechanize

request_store_access.rb

require 'rubygems'
require 'mechanize'

STORE = 'foo.myshopify.com'

a = Mechanize.new

# login
a.get('https://app.shopify.com/services/partners/auth/login') do |page|
  page.form_with(action: '/services/partners/auth/login') do |form|
    form.login = 'partner@shopifydevshop.com'
    form.password = 'secret'
  end.submit
end

# request store access
a.get('https://app.shopify.com/services/partners/store_accounts/new') do |page|
  page.form_with(action: '/services/partners/store_accounts') do |form|
    form.field_with(name: 'partner_store_access[shop_permanent_domain]').value = STORE
    %w(allow_products allow_applications allow_themes).each do |permission|
      form.checkbox_with(name: "partner_store_access[#{permission}]").check
    end
  end.submit
end