def add_creator(self, doc, creator):
        """Adds a creator to the document's creation info.
        Returns true if creator is valid.
        Creator must be built by an EntityBuilder.
        Raises SPDXValueError if not a creator type.
        """
        if validations.validate_creator(creator):
            doc.creation_info.add_creator(creator)
            return True
        else:
            raise SPDXValueError('CreationInfo::Creator')
def add_creator(self, doc, creator):
        """Adds a creator to the document's creation info.
        Returns true if creator is valid.
        Creator must be built by an EntityBuilder.
        Raises SPDXValueError if not a creator type.
        """
        if validations.validate_creator(creator):
            doc.creation_info.add_creator(creator)
            return True
        else:
            raise SPDXValueError('CreationInfo::Creator')
def add_creator ( self , doc , creator ) : if validations . validate_creator ( creator ) : doc . creation_info . add_creator ( creator ) return True else : raise SPDXValueError ( 'CreationInfo::Creator' )
Adds a creator to the document's creation info.
        Returns true if creator is valid.
        Creator must be built by an EntityBuilder.
        Raises SPDXValueError if not a creator type.
Adds a creator to the document s creation info . Returns true if creator is valid . Creator must be built by an EntityBuilder . Raises SPDXValueError if not a creator type .