Files
deb-python-taskflow/taskflow/tests/utils.py
kchenweijie 4cee45e2e3 Added Memory Persistence API and Generic Datatypes
Added a generic persistence API for JobBoards,
Jobs, LogBooks, Workflows, FlowDetails, Tasks,
and TaskDetails. The currently implemented
backends are in-memory. Also implemented generic
return types (listed above) for the generic API.

Change-Id: I6d09860ee08a900faf2c213a230429bf9e0dec01
2013-08-09 14:40:02 -05:00

67 lines
1.8 KiB
Python

# -*- coding: utf-8 -*-
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
#
# 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.
from taskflow.generics import task
ARGS_KEY = '__args__'
KWARGS_KEY = '__kwargs__'
ORDER_KEY = '__order__'
def close_all(*args):
for a in args:
if not a:
continue
a.close()
def null_functor(*args, **kwargs): # pylint: disable=W0613
return None
def drain(lst):
while len(lst):
lst.pop()
class ProvidesRequiresTask(task.Task):
def __init__(self, name, provides, requires):
super(ProvidesRequiresTask, self).__init__(name)
self.provides.update(provides)
self.requires.update(requires)
def __call__(self, context, *args, **kwargs):
outs = {
KWARGS_KEY: dict(kwargs),
ARGS_KEY: list(args),
}
if ORDER_KEY not in context:
context[ORDER_KEY] = []
context[ORDER_KEY].append(self.name)
for v in self.provides:
outs[v] = True
return outs
class DummyTask(task.Task):
def __init__(self, name, task_id=None):
super(DummyTask, self).__init__(name, task_id)
def __call__(self, context, *args, **kwargs):
pass