dbimport.py 文件源码

def registerReference(self, guid, reference_set_id, name, length):
        """
        Registers a Reference. Most often called by registerReferenceSet.
        Requires a Reference name be unique for all references in a reference set
        """
        # contig MT is same as contig M, in meta db we will always use M to be
        # consistent
        if name == 'MT':
            name = 'M'

        reference = self.session.query(Reference).filter(
            and_(Reference.reference_set_id == reference_set_id,Reference.name == name))\
            .first()

        if reference is None:
            try:
                reference = Reference(
                    name=name, 
                    reference_set_id=reference_set_id, 
                    length=length, 
                    guid=guid
                )
                self.session.add(reference)
                self.session.commit()

            except exc.DataError as e:
                self.session.rollback()
                raise ValueError("{0} : {1} ".format(str(e), guid))

        return reference