gistfile1.txt

#==============================================================================
class ConnectionContextWithHost(S3ConnectionContext):
    """an alternative base class that specific implementations of Boto
    connection can derive.  It adds "host"  to the configuration"""

    required_config = Namespace()
    required_config.add_option(
        'host',
        doc="The hostname",
        default="",
        reference_value_from='resource.boto',
    )
    required_config.calling_format = change_default(
        S3ConnectionContext,
        'calling_format',
        'boto.s3.connection.OrdinaryCallingFormat'
    )

    #--------------------------------------------------------------------------
    def _connect(self):
        try:
            return self.connection
        except AttributeError:
            self.connection = boto.s3.connect_to_region(
                config.host,
                **self._get_credentials
            )
            return self.connection