Source code for aiida.backends.sqlalchemy.models.computer

# -*- coding: utf-8 -*-
###########################################################################
# Copyright (c), The AiiDA team. All rights reserved.                     #
# This file is part of the AiiDA code.                                    #
#                                                                         #
# The code is hosted on GitHub at https://github.com/aiidateam/aiida-core #
# For further information on the license, see the LICENSE.txt file        #
# For further information please visit http://www.aiida.net               #
###########################################################################
from __future__ import division
from __future__ import print_function
from __future__ import absolute_import

from sqlalchemy.dialects.postgresql import UUID, JSONB
from sqlalchemy.schema import Column
from sqlalchemy.types import Integer, String, Text

from aiida.backends.sqlalchemy.models.base import Base
from aiida.common.utils import get_new_uuid


[docs]class DbComputer(Base): __tablename__ = 'db_dbcomputer' id = Column(Integer, primary_key=True) uuid = Column(UUID(as_uuid=True), default=get_new_uuid, unique=True) name = Column(String(255), unique=True, nullable=False) hostname = Column(String(255)) description = Column(Text, nullable=True) scheduler_type = Column(String(255)) transport_type = Column(String(255)) _metadata = Column('metadata', JSONB) def __init__(self, *args, **kwargs): self._metadata = {} # TODO SP: it's supposed to be nullable, but there is a NOT constraint inside the DB. self.description = '' # If someone passes metadata in **kwargs we change it to _metadata if 'metadata' in kwargs.keys(): kwargs['_metadata'] = kwargs.pop('metadata') super(DbComputer, self).__init__(*args, **kwargs) @property def pk(self): return self.id
[docs] def __str__(self): return '{} ({})'.format(self.name, self.hostname)