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Contents
module Chatterbot
require 'yaml/store'
#
# wrap YAML::Store to maintain config but have a few read-only
# variables which we will never set/override
#
class ConfigManager
# list of vars that shouldn't ever be written
READ_ONLY_VARIABLES = [:consumer_key, :consumer_secret, :access_token, :access_token_secret, :log_dest]
# if true, we will never actually update the config file
attr_accessor :no_update
def initialize(dest, read_only={}, no_update=false)
@read_only = read_only
@store = YAML::Store.new(dest, true)
@no_update = no_update
end
# delete a key from the config
def delete(key)
return if @no_update == true
@store.transaction do
@store.delete(key)
end
end
def to_h
@store.transaction do
Hash[@store.roots.map { |k| [k, @store[k]] }]
end
end
# set/update a key
def []=(key, value)
return if @no_update == true
@store.transaction do
@store[key] = value
end
end
# retrieve a key
def [](key)
if READ_ONLY_VARIABLES.include?(key) && @read_only[key]
return @read_only[key]
end
@store.transaction do
@store[key]
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems