parameters: (a, b)
return_statement: return os.path.getmtime(a) >= os.path.getmtime(b)
docstring: Inquire whether file a was written since file b.
docstring_summary: Inquire whether file a was written since file b.
docstring_tokens: Inquire whether file a was written since file b .
function: def _newer(a, b):
      """Inquire whether file a was written since file b."""
      if not os.path.exists(a):
          return False
      if not os.path.exists(b):
          return True
      return os.path.getmtime(a) >= os.path.getmtime(b)
function_tokens: def _newer ( a , b ) : if not os . path . exists ( a ) : return False if not os . path . exists ( b ) : return True return os . path . getmtime ( a ) >= os . path . getmtime ( b )