adding back compatibility layer

README.md

@@ -134,6 +134,14 @@ and require with:
 require "openai"
 ```
 
+## Compatibility with offical OpenAI library
+
+OpenAI now publishes their own [Ruby client library](https://github.com/openai/openai-ruby), which uses the same namespace as this one. If you are working with a codebase that uses both, you can require this one with this alternate path to avoid collisions:
+
+```ruby
+require "ruby/openai"
+```
+
 ## How to use
 
 - Get your API key from [https://platform.openai.com/account/api-keys](https://platform.openai.com/account/api-keys)

lib/openai/compatibility.rb

@@ -0,0 +1,9 @@
+module Ruby
+  module OpenAI
+    VERSION = ::OpenAI::VERSION
+
+    Error = ::OpenAI::Error
+    ConfigurationError = ::OpenAI::ConfigurationError
+    Configuration = ::OpenAI::Configuration
+  end
+end

lib/ruby/openai.rb

@@ -1 +1,2 @@
 require_relative "../openai"
+require_relative "../openai/compatibility"

spec/compatibility_spec.rb

@@ -0,0 +1,35 @@
+require "ruby/openai"
+
+RSpec.describe "compatibility" do
+  context "for moved constants" do
+    describe "::Ruby::OpenAI::VERSION" do
+      it "is mapped to ::OpenAI::VERSION" do
+        expect(Ruby::OpenAI::VERSION).to eq(OpenAI::VERSION)
+      end
+    end
+
+    describe "::Ruby::OpenAI::Error" do
+      it "is mapped to ::OpenAI::Error" do
+        expect(Ruby::OpenAI::Error).to eq(OpenAI::Error)
+        expect(Ruby::OpenAI::Error.new).to be_a(OpenAI::Error)
+        expect(OpenAI::Error.new).to be_a(Ruby::OpenAI::Error)
+      end
+    end
+
+    describe "::Ruby::OpenAI::ConfigurationError" do
+      it "is mapped to ::OpenAI::ConfigurationError" do
+        expect(Ruby::OpenAI::ConfigurationError).to eq(OpenAI::ConfigurationError)
+        expect(Ruby::OpenAI::ConfigurationError.new).to be_a(OpenAI::ConfigurationError)
+        expect(OpenAI::ConfigurationError.new).to be_a(Ruby::OpenAI::ConfigurationError)
+      end
+    end
+
+    describe "::Ruby::OpenAI::Configuration" do
+      it "is mapped to ::OpenAI::Configuration" do
+        expect(Ruby::OpenAI::Configuration).to eq(OpenAI::Configuration)
+        expect(Ruby::OpenAI::Configuration.new).to be_a(OpenAI::Configuration)
+        expect(OpenAI::Configuration.new).to be_a(Ruby::OpenAI::Configuration)
+      end
+    end
+  end
+end