Source code for pacifica.metadata.orm.atool_project
#!/usr/bin/python
# -*- coding: utf-8 -*-
"""TransactionKeyValue links Transactions and Keys and Values objects."""
from peewee import ForeignKeyField, CompositeKey
from .base import DB
from .utils import index_hash, unicode_type
from .projects import Projects
from .analytical_tools import AnalyticalTools
from ..rest.orm import CherryPyAPI
[docs]class AToolProject(CherryPyAPI):
"""
TransactionKeyValue attributes are foreign keys.
Attributes:
+-------------------+-------------------------------------+
| Name | Description |
+===================+=====================================+
| project | Link to the Projects model |
+-------------------+-------------------------------------+
| analytical_tool | Link to the AnalyticalTools model |
+-------------------+-------------------------------------+
"""
project = ForeignKeyField(Projects, backref='atools')
analytical_tool = ForeignKeyField(AnalyticalTools, backref='projects')
# pylint: disable=too-few-public-methods
class Meta(object):
"""PeeWee meta class contains the database and the primary key."""
database = DB
primary_key = CompositeKey('analytical_tool', 'project')
# pylint: enable=too-few-public-methods
[docs] def to_hash(self, **flags):
"""Convert the object to a hash."""
obj = super(AToolProject, self).to_hash(**flags)
obj['_id'] = index_hash(unicode_type(self.__data__['project']),
int(self.__data__['analytical_tool']))
obj['project'] = unicode_type(self.__data__['project'])
obj['analytical_tool'] = int(self.__data__['analytical_tool'])
return obj
[docs] def from_hash(self, obj):
"""Convert the hash into the object."""
super(AToolProject, self).from_hash(obj)
self._set_only_if('project', obj, 'project',
lambda: Projects.get(Projects.id == obj['project']))
self._set_only_if('analytical_tool', obj, 'analytical_tool',
lambda: AnalyticalTools.get(
AnalyticalTools.id == obj['analytical_tool']))
[docs] @classmethod
def where_clause(cls, kwargs):
"""Where clause for the various elements."""
where_clause = super(AToolProject, cls).where_clause(kwargs)
attrs = ['project', 'analytical_tool']
return cls._where_attr_clause(where_clause, kwargs, attrs)