parameters: (self, key)
docstring: Return a string representation or raise a KeyError.
docstring_summary: Return a string representation or raise a KeyError.
docstring_tokens: Return a string representation or raise a KeyError .
function: def get_string(self, key):
          """Return a string representation or raise a KeyError."""
          f = open(os.path.join(self._path, self._lookup(key)), 'r')
          try:
              return f.read()
          finally:
              f.close()
function_tokens: def get_string ( self , key ) : f = open ( os . path . join ( self . _path , self . _lookup ( key ) ) , 'r' ) try : return f . read ( ) finally : f . close ( )