Get more details from PyLint

lib/py_lint_adapter.rb

@@ -1,6 +1,6 @@
 class PyLintAdapter < TestingFrameworkAdapter
   REGEXP = /Your code has been rated at (-?\d+\.?\d*)\/(\d+\.?\d*)/
-  ASSERTION_ERROR_REGEXP = /^.*?\([^,]*?,\ ([^,]*?),[^,]*?\)\ (.*?)$/
+  ASSERTION_ERROR_REGEXP = /^.*?\.py:(\d+):.*?\([^,]*?,\ ([^,]*?),([^,]*?)\)\ (.*?)$/
 
   def self.framework_name
     'PyLint'
@@ -21,9 +21,12 @@ class PyLintAdapter < TestingFrameworkAdapter
     begin
       assertion_error_matches = Timeout.timeout(2.seconds) do
         output[:stdout].scan(ASSERTION_ERROR_REGEXP).map do |match|
-          test = match.first.strip
-          description = match.second.strip
-          {test: test, description: description}
+          line_no = match.first.strip
+          test = match.second.strip
+          # e.g. function name, nil if outside of a function. Not always available
+          context = match.third.strip.presence
+          description = match.fourth.strip
+          {test: test, description: description, context: context, line: line_no}
         end || []
       end
     rescue Timeout::Error