Translate API no longer requires an API key.

translate/Gemfile.lock

@@ -1,23 +1,15 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.4.0)
+    addressable (2.5.0)
+      public_suffix (~> 2.0, >= 2.0.2)
     diff-lcs (1.2.5)
-    faraday (0.9.2)
+    faraday (0.10.0)
       multipart-post (>= 1.2, < 3)
-    google-api-client (0.9.15)
-      addressable (~> 2.3)
-      googleauth (~> 0.5)
-      httpclient (~> 2.7)
-      hurley (~> 0.1)
-      memoist (~> 0.11)
-      mime-types (>= 1.6)
-      representable (~> 2.3.0)
-      retriable (~> 2.0)
-    google-cloud-core (0.20.1)
-    google-cloud-translate (0.20.1)
-      google-api-client (~> 0.9.11)
-      google-cloud-core (~> 0.20.0)
+    google-cloud-core (0.21.0)
+    google-cloud-translate (0.22.1)
+      google-cloud-core (~> 0.21.0)
+      googleauth (~> 0.5.1)
     googleauth (0.5.1)
       faraday (~> 0.9)
       jwt (~> 1.4)
@@ -26,28 +18,21 @@ GEM
       multi_json (~> 1.11)
       os (~> 0.9)
       signet (~> 0.7)
-    httpclient (2.8.2.4)
-    hurley (0.2)
     jwt (1.5.6)
     little-plugger (1.1.4)
     logging (2.1.0)
       little-plugger (~> 1.1)
       multi_json (~> 1.10)
     memoist (0.15.0)
-    mime-types (3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2016.0521)
     multi_json (1.12.1)
     multipart-post (2.0.0)
     os (0.9.6)
-    representable (2.3.0)
-      uber (~> 0.0.7)
-    retriable (2.1.0)
+    public_suffix (2.0.4)
     rspec (3.5.0)
       rspec-core (~> 3.5.0)
       rspec-expectations (~> 3.5.0)
       rspec-mocks (~> 3.5.0)
-    rspec-core (3.5.3)
+    rspec-core (3.5.4)
       rspec-support (~> 3.5.0)
     rspec-expectations (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
@@ -61,7 +46,6 @@ GEM
       faraday (~> 0.9)
       jwt (~> 1.5)
       multi_json (~> 1.10)
-    uber (0.0.15)
 
 PLATFORMS
   ruby
@@ -71,4 +55,4 @@ DEPENDENCIES
   rspec
 
 BUNDLED WITH
-   1.12.5
+   1.13.6

translate/quickstart.rb

@@ -16,12 +16,12 @@
 # Imports the Google Cloud client library
 require "google/cloud"
 
-# Your Translate API key
-api_key = "YOUR_API_KEY"
+# Your Google Cloud Platform project ID
+project_id = "YOUR_PROJECT_ID"
 
 # Instantiates a client
-gcloud    = Google::Cloud.new
-translate = gcloud.translate api_key
+gcloud    = Google::Cloud.new project_id
+translate = gcloud.translate
 
 # The text to translate
 text = "Hello, world!"

translate/spec/quickstart_spec.rb

@@ -18,11 +18,9 @@
 describe "Translate Quickstart" do
 
   it "translates Hello, world! to Russian" do
-    gcloud    = Google::Cloud.new
-    translate = gcloud.translate ENV["TRANSLATE_API_KEY"]
-    expect(Google::Cloud).to receive(:new).and_return(gcloud)
-    expect(gcloud).to receive(:translate).with("YOUR_API_KEY").
-                                           and_return(translate)
+    gcloud    = Google::Cloud.new ENV["GOOGLE_CLOUD_PROJECT"]
+    expect(Google::Cloud).to receive(:new).with("YOUR_PROJECT_ID").
+                                           and_return(gcloud)
 
     expect {
       load File.expand_path("../quickstart.rb", __dir__)

translate/spec/translate_samples_spec.rb

@@ -18,7 +18,7 @@
 describe "Google Translate API samples" do
 
   before do
-    @api_key = ENV["TRANSLATE_API_KEY"]
+    @project_id  = ENV["GOOGLE_CLOUD_PROJECT"]
   end
 
   # Capture and return STDOUT output by block
@@ -34,7 +34,7 @@ def capture &block
 
   example "translate text" do
     capture do
-      translate_text api_key:       @api_key,
+      translate_text project_id:       @project_id,
                      language_code: "fr",
                      text:          "Alice and Bob are kind"
     end
@@ -47,14 +47,14 @@ def capture &block
 
   example "detect language" do
     expect {
-      detect_language api_key: @api_key, text: "Sample text written in English"
+      detect_language project_id: @project_id, text: "Sample text written in English"
     }.to output(
       /'Sample text written in English' detected as language: en/
     ).to_stdout
   end
 
   example "list supported language codes" do
-    capture { list_supported_language_codes api_key: @api_key }
+    capture { list_supported_language_codes project_id: @project_id }
 
     # Check for a few supported language codes (first sorted alphabetically)
     expect(captured_output).to include "af"
@@ -66,7 +66,7 @@ def capture &block
 
   example "list supported language names" do
     capture do
-      list_supported_language_names api_key: @api_key, language_code: "en"
+      list_supported_language_names project_id: @project_id, language_code: "en"
     end
 
     # Check for a few supported language codes (first sorted alphabetically)

translate/translate_samples.rb

@@ -12,47 +12,47 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-def translate_text api_key:, text:, language_code:
+def translate_text project_id:, text:, language_code:
   # [START translate_text]
-  # api_key       = "Your API access key"
+  # project_id   = "Your Google Cloud project ID"
   # text          = "The text you would like to translate"
   # language_code = "The ISO 639-1 code of language to translate to, eg. 'en'"
 
   require "google/cloud"
 
-  gcloud      = Google::Cloud.new
-  translate   = gcloud.translate api_key
+  gcloud      = Google::Cloud.new project_id
+  translate   = gcloud.translate
   translation = translate.translate text, to: language_code
 
   puts "Translated '#{text}' to '#{translation.text.inspect}'"
   puts "Original language: #{translation.from} translated to: #{translation.to}"
   # [END translate_text]
 end
 
-def detect_language api_key:, text:
+def detect_language project_id:, text:
   # [START detect_language]
-  # api_key = "Your API access key"
+  # project_id   = "Your Google Cloud project ID"
   # text    = "The text you would like to detect the language of"
 
   require "google/cloud"
 
-  gcloud    = Google::Cloud.new
-  translate = gcloud.translate api_key
+  gcloud    = Google::Cloud.new project_id
+  translate = gcloud.translate
   detection = translate.detect text
 
   puts "'#{text}' detected as language: #{detection.language}"
   puts "Confidence: #{detection.confidence}"
   # [END detect_language]
 end
 
-def list_supported_language_codes api_key:
+def list_supported_language_codes project_id:
   # [START list_supported_language_codes]
-  # api_key = "Your API access key"
+  # project_id   = "Your Google Cloud project ID"
 
   require "google/cloud"
 
-  gcloud    = Google::Cloud.new
-  translate = gcloud.translate api_key
+  gcloud    = Google::Cloud.new project_id
+  translate = gcloud.translate
   languages = translate.languages
 
   puts "Supported language codes:"
@@ -62,18 +62,18 @@ def list_supported_language_codes api_key:
   # [END list_supported_language_codes]
 end
 
-def list_supported_language_names api_key:, language_code: "en"
+def list_supported_language_names project_id:, language_code: "en"
   # [START list_supported_language_names]
-  # api_key = "Your API access key"
+  # project_id   = "Your Google Cloud project ID"
 
   # To receive the names of the supported languages, provide the code
   # for the language in which you wish to receive the names
   # language_code = "en"
 
   require "google/cloud"
 
-  gcloud    = Google::Cloud.new
-  translate = gcloud.translate api_key
+  gcloud    = Google::Cloud.new project_id
+  translate = gcloud.translate
   languages = translate.languages language_code
 
   puts "Supported languages:"
@@ -84,20 +84,22 @@ def list_supported_language_names api_key:, language_code: "en"
 end
 
 if __FILE__ == $PROGRAM_NAME
-  api_key = ENV["TRANSLATE_API_KEY"]
+  project_id = ENV["GOOGLE_CLOUD_PROJECT"]
   command = ARGV.shift
 
   case command
   when "translate"
-    translate_text api_key:       api_key,
+    translate_text project_id: project_id,
                    language_code: ARGV.shift,
                    text:          ARGV.shift
   when "detect_language"
-    detect_language api_key: api_key, text: ARGV.shift
+    detect_language project_id: project_id,
+                    text: ARGV.shift
   when "list_codes"
-    list_supported_language_codes api_key: api_key
+    list_supported_language_codes project_id: project_id
   when "list_names"
-    list_supported_language_names api_key: api_key, language_code: ARGV.shift
+    list_supported_language_names project_id: project_id,
+                                  language_code: ARGV.shift
   else
     puts <<-usage
 Usage: ruby translate_samples.rb <command> [arguments]