Source code for renku.core.models.provenance.processes
# -*- coding: utf-8 -*-
#
# Copyright 2018-2020- Swiss Data Science Center (SDSC)
# A partnership between École Polytechnique Fédérale de Lausanne (EPFL) and
# Eidgenössische Technische Hochschule Zürich (ETHZ).
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Represent provenance processes."""
import weakref
import attr
from renku.core.models.entities import CommitMixin
[docs]@attr.s(
cmp=False,
)
class Process(CommitMixin):
"""Represent a process."""
_activity = attr.ib(
default=None,
kw_only=True,
converter=lambda value: weakref.ref(value)
if value is not None else None
)
@property
def activity(self):
"""Return the activity object."""
return self._activity()
[docs]@attr.s(
cmp=False,
)
class Workflow(Process):
"""Represent workflow with subprocesses."""
subprocesses = attr.ib(kw_only=True)
[docs] @subprocesses.default
def default_subprocesses(self):
"""Load subprocesses."""
return [
subprocess.association.plan
for subprocess in self.activity.subprocesses.values()
]