def bip32_pub(self, s):
        """
        Parse a bip32 public key from a text string ("xpub" type).
        Return a :class:`BIP32 <pycoin.key.BIP32Node.BIP32Node>` or None.
        """
        data = self.parse_b58_hashed(s)
        if data is None or not data.startswith(self._bip32_pub_prefix):
            return None
        return self._network.keys.bip32_deserialize(data)
def bip32_pub ( self , s ) : data = self . parse_b58_hashed ( s ) if data is None or not data . startswith ( self . _bip32_pub_prefix ) : return None return self . _network . keys . bip32_deserialize ( data )
Parse a bip32 public key from a text string ("xpub" type).
        Return a :class:`BIP32 <pycoin.key.BIP32Node.BIP32Node>` or None.