<s> class Framework_Base ( ) : <EOL> """<STR_LIT>""" <EOL> def get_user_cred ( self ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def get_slice_cred ( self , urn ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def create_slice ( self , urn ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def delete_slice ( self , urn ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def list_aggregates ( self ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def slice_name_to_urn ( self , name ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError ( '<STR_LIT>' ) <EOL> def renew_slice ( self , urn , requested_expiration ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError ( '<STR_LIT>' ) </s>
