parameters: (self)
return_statement: return not self.location.isdir()
docstring: Returns true if this is a single file plugin
          (ie not a directory with a package.json file).
docstring_summary: Returns true if this is a single file plugin
          (ie not a directory with a package.json file).
docstring_tokens: Returns true if this is a single file plugin ( ie not a directory with a package . json file ) .
function: def single_file(self):
          """Returns true if this is a single file plugin
          (ie not a directory with a package.json file)."""
          return not self.location.isdir()
function_tokens: def single_file ( self ) : return not self . location . isdir ( )