1 files changed, 44 insertions, 0 deletions
diff --git a/lib/license/management/python/pypi.rb b/lib/license/management/python/pypi.rb
new file mode 100644
index 0000000..0397532
--- /dev/null
+++ b/lib/license/management/python/pypi.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require 'net/hippie'
+
+module License
+  module Management
+    class PyPI
+      include Loggable
+
+      def initialize(http)
+        @http = http
+      end
+
+      def definition_for(name, version)
+        uri = "https://pypi.org/pypi/#{name}/#{version}/json"
+        process(@http.with_retry { |client| client.get(uri) }).tap do |definition|
+          log_info([name, version, definition["license"]].inspect)
+        end
+      rescue *Net::Hippie::CONNECTION_ERRORS
+        {}
+      end
+
+      class << self
+        def definition(name, version)
+          @pypi ||= new(License::Management.http)
+          @pypi.definition_for(name, version)
+        end
+      end
+
+      private
+
+      def process(response)
+        return JSON.parse(response.body).fetch('info', {}) if ok?(response)
+
+        log_error([response.class, response.code, response.body].inspect)
+        {}
+      end
+
+      def ok?(response)
+        response.is_a?(Net::HTTPSuccess)
+      end
+    end
+  end
+end