(self, key)
return self._open(key)
Open key for reading.

        Returns a read-only file-like object for reading a key.

        :param key: Key to open

        :raises exceptions.ValueError: If the key is not valid.
        :raises exceptions.IOError: If the file could not be read.
        :raises exceptions.KeyError: If the key was not found.
Open key for reading.
Open key for reading .
def open(self, key):
        """Open key for reading.

        Returns a read-only file-like object for reading a key.

        :param key: Key to open

        :raises exceptions.ValueError: If the key is not valid.
        :raises exceptions.IOError: If the file could not be read.
        :raises exceptions.KeyError: If the key was not found.
        """
        self._check_valid_key(key)
        return self._open(key)
def open ( self , key ) : self . _check_valid_key ( key ) return self . _open ( key )