class SequenceServer::Config
Capture our configuration system.
Attributes
config_file[R]
data[R]
Public Class Methods
new(data = {})
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# File lib/sequenceserver/config.rb, line 12 def initialize(data = {}) @data = normalize data @config_file = @data.delete(:config_file) || default_config_file @config_file = File.expand_path(@config_file) @data = parse_config_file.update @data @data = defaults.update @data end
Public Instance Methods
[](key)
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Get.
# File lib/sequenceserver/config.rb, line 23 def [](key) data[key] end
[]=(key, value)
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Set.
# File lib/sequenceserver/config.rb, line 28 def []=(key, value) data[key] = value end
include?(key)
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Exists?
# File lib/sequenceserver/config.rb, line 33 def include?(key) data.include? key end
write_config_file()
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Write config data to config file.
# File lib/sequenceserver/config.rb, line 38 def write_config_file return unless config_file File.open(config_file, 'w') do |f| f.puts(data.delete_if { |_, v| v.nil? }.to_yaml) end end
Private Instance Methods
default_config_file()
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# File lib/sequenceserver/config.rb, line 91 def default_config_file '~/.sequenceserver.conf' end
defaults()
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Default configuration data.
# File lib/sequenceserver/config.rb, line 83 def defaults { :num_threads => 1, :port => 4567, :host => '0.0.0.0' } end
file?(file)
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# File lib/sequenceserver/config.rb, line 78 def file?(file) file && File.exist?(file) && File.file?(file) end
normalize(data)
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Symbolizes keys. Changes `database` key to `database_dir`.
# File lib/sequenceserver/config.rb, line 48 def normalize(data) return {} unless data # Symbolize keys. data = Hash[data.map { |k, v| [k.to_sym, v] }] # The newer config file version replaces the older database key with # database_dir for correctness. Let's honour the old version as well. if data[:database] database_dir = data.delete(:database) data[:database_dir] ||= database_dir end data end
parse_config_file()
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Parses and returns data from config_file
if it exists. Returns {} otherwise.
# File lib/sequenceserver/config.rb, line 66 def parse_config_file unless file? config_file logger.debug "Configuration file not found: #{config_file}" return {} end logger.debug "Reading configuration file: #{config_file}." normalize YAML.load_file(config_file) rescue => error raise CONFIG_FILE_ERROR.new(config_file, error) end