Make 'deepl-rb' and 'easy_translate' deps optional

Fixes #296
glebm · Aug 20, 2018 · d94aa85 · d94aa85
1 parent 291e93c
commit d94aa85
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Showing 3 changed files with 16 additions and 4 deletions.
diff --git a/i18n-tasks.gemspec b/i18n-tasks.gemspec
@@ -37,8 +37,6 @@ TEXT
 
   s.add_dependency 'activesupport', '>= 4.0.2'
   s.add_dependency 'ast', '>= 2.1.0'
-  s.add_dependency 'deepl-rb', '>= 2.1.0'
-  s.add_dependency 'easy_translate', '>= 0.5.1'
   s.add_dependency 'erubi'
   s.add_dependency 'highline', '>= 2.0.0'
   s.add_dependency 'i18n'
@@ -47,6 +45,8 @@ TEXT
   s.add_dependency 'terminal-table', '>= 1.5.1'
   s.add_development_dependency 'axlsx', '~> 2.0'
   s.add_development_dependency 'bundler', '~> 1.3'
+  s.add_development_dependency 'deepl-rb', '>= 2.1.0'
+  s.add_development_dependency 'easy_translate', '>= 0.5.1'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'rspec', '~> 3.3'
   s.add_development_dependency 'rubocop', '~> 0.53.0'

diff --git a/lib/i18n/tasks/translators/deepl_translator.rb b/lib/i18n/tasks/translators/deepl_translator.rb
@@ -1,11 +1,15 @@
 # frozen_string_literal: true
 
-require 'deepl'
 require 'i18n/tasks/translators/base_translator'
 
 module I18n::Tasks::Translators
   class DeeplTranslator < BaseTranslator
     def initialize(*)
+      begin
+        require 'deepl'
+      rescue LoadError
+        fail ::I18n::Tasks::CommandError, "Add gem 'deepl-rb' to your Gemfile to use this command"
+      end
       super
       configure_api_key!
     end

diff --git a/lib/i18n/tasks/translators/google_translator.rb b/lib/i18n/tasks/translators/google_translator.rb
@@ -1,10 +1,18 @@
 # frozen_string_literal: true
 
-require 'easy_translate'
 require 'i18n/tasks/translators/base_translator'
 
 module I18n::Tasks::Translators
   class GoogleTranslator < BaseTranslator
+    def initialize(*)
+      begin
+        require 'easy_translate'
+      rescue LoadError
+        fail ::I18n::Tasks::CommandError, "Add gem 'easy_translate' to your Gemfile to use this command"
+      end
+      super
+    end
+
     protected
 
     def translate_values(list, **options)