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# -*- coding: utf-8 -*-
require 'rubygems/command'
require 'rubygems/dependency'
require 'bundler'
require 'colored'
require 'json'
require 'open-uri'
require 'stringio'
require 'appraiser/version'
class Gem::Commands::AppraiserCommand < Gem::Command
RUBY_GEMS_URL = 'http://rubygems.org/api/v1/gems/%s.json'
LINE = '-' * 60
def initialize
super 'appraiser', 'Display gem information in ./Gemfile'
add_option('-g', '--group=GROUP', 'Group') do |group, options|
options[:group] = group
end
end
def usage # :nodoc:
"#{program_name} [-g group]"
end
def execute
process($stdout)
end
private
# @param [IO] output
def process(output)
group = (options[:group] || :default).to_sym
dependencies_for(group).each do |dependency|
json = load_json(dependency.name)
if json.empty?
output.puts dependency.name.green
output.puts "Source : #{dependency.source.to_s.cyan.underline}"
else
name = json['name']
authors = json['authors']
downloads = number_with_delimiter(json['downloads'])
project_uri = json['project_uri']
doc_uri = json['documentation_uri']
src_uri = json['source_code_uri']
info = json['info'].split("\n").first.strip
output.puts "#{name.green} (by #{authors})"
output.puts "Downloads: #{downloads.blue}"
output.puts "Project : #{project_uri.cyan.underline}" if project_uri
output.puts "Document : #{doc_uri.cyan.underline}" if doc_uri
output.puts "Source : #{src_uri.cyan.underline}" if src_uri
output.puts info
end
output.puts LINE
end
end
# @param [String] gem_name
# @return [Hash]
def load_json(gem_name)
JSON.parse(URI.open(RUBY_GEMS_URL % gem_name).read)
rescue OpenURI::HTTPError => e
{}
end
# @param [Symbol] group
# @return [Array<Bundler::Dependency>]
def dependencies_for(group)
Bundler.definition.dependencies.select { |i| i.groups.include? group }
end
# @param [Integer] number
# @param [String] delimiter
# @param [String] separator
# @return [String]
def number_with_delimiter(number, delimiter = ',', separator = '.')
parts = number.to_s.split('.')
parts[0].gsub!(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{delimiter}")
parts.join separator
rescue
number.to_s
end
end
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