google-api-ruby-client/bin/generate-api

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#!/usr/bin/env ruby
begin
require 'thor'
rescue LoadError => e
puts "Thor is required. Please install the gem with development dependencies."
exit 1
end
require 'open-uri'
require 'google/apis/discovery_v1'
require 'logger'
require 'psych'
module Google
class ApiGenerator < Thor
def self.exit_on_failure?
true
end
include Thor::Actions
Google::Apis::ClientOptions.default.application_name = "generate-api"
Google::Apis::ClientOptions.default.application_version = Google::Apis::VERSION
Discovery = Google::Apis::DiscoveryV1
desc 'gen OUTDIR', 'Generate ruby API from an API description'
method_options url: :array, file: :array, from_discovery: :boolean, preferred_only: :boolean,
verbose: :boolean, names: :string, names_out: :string
def gen(dir)
ensure_active_support
require 'google/apis/generator'
self.destination_root = dir
Google::Apis.logger.level = Logger::DEBUG if options[:verbose]
generate_from_url(options[:url]) if options[:url]
generate_from_file(options[:file]) if options[:file]
generate_from_discovery(preferred_only: options[:preferred_only]) if options[:from_discovery]
create_file(options[:names_out]) { |*| generator.dump_api_names } if options[:names_out]
end
desc 'list', 'List public APIs'
method_options verbose: :boolean, preferred_only: :boolean
def list
Google::Apis.logger.level = Logger::DEBUG if options[:verbose]
discovery = Discovery::DiscoveryService.new
apis = discovery.list_apis
apis.items.each do |api|
say sprintf('%s - %s', api.id, api.description).strip unless options[:preferred_only] && !api.preferred?
end
end
no_commands do
def generate_from_url(urls)
Array(urls).each do |url|
begin
json = discovery.http(:get, url)
rescue Google::Apis::Error
warn sprintf('Failed request, skipping %s', url)
next
end
generate_api(json)
end
end
def generate_from_file(files)
Array(files).each do |file|
File.open(file) do |f|
generate_api(f.read)
end
end
end
def generate_from_discovery(preferred_only: false)
say 'Fetching API list'
apis = discovery.list_apis
exclude_apis = api_list_config["exclude"] || []
apis.items.each do |api|
if exclude_apis.include? "#{api.name}.#{api.version}"
say "Ignoring excluded API #{api.name} #{api.version}"
elsif (preferred_only && !api.preferred?)
say sprintf('Ignoring disoverable API %s', api.id)
else
# The Discovery service may returned cached versions of a Discovery document that are
# not the most recent revision. That means that subsequent requests to the same
# Discovery document URL can return different documents. The
# `discovery-artifact-manager` repo always holds the most recent revision, so it's
# easier to use that document than to force revision checking against the URL returned
# by the Discovery index.
discovery_rest_url = "https://raw.githubusercontent.com/googleapis/discovery-artifact-manager/master/discoveries/#{api.name}.#{api.version}.json"
say sprintf('Loading %s, version %s from %s', api.name, api.version, discovery_rest_url)
generate_from_url(discovery_rest_url)
end
end
end
def generate_api(json)
files = generator.render(json)
files.each do |file, content|
create_file(file) { |*| content }
end
end
def discovery
@discovery ||= Discovery::DiscoveryService.new
end
def generator
@generator ||= Google::Apis::Generator.new(api_names: options[:names], api_names_out: options[:names_out])
end
def api_list_config
@api_list_config ||= Psych.load_file(__dir__ + "/../api_list_config.yaml")
end
def ensure_active_support
begin
require 'active_support/inflector'
rescue LoadError => e
error 'ActiveSupport is required, please run:'
error 'gem install activesupport'
exit 1
end
end
end
end
end
Google::ApiGenerator.start(ARGV)