42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# Copyright 2013 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import functools
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from ironic_python_agent import base
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def async_command(validator=None):
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"""Will run the command in an AsyncCommandResult in its own thread.
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command_name is set based on the func name and command_params will
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be whatever args/kwargs you pass into the decorated command.
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"""
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def async_decorator(func):
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@functools.wraps(func)
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def wrapper(self, command_name, **command_params):
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# Run a validator before passing everything off to async.
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# validators should raise exceptions or return silently.
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if validator:
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validator(**command_params)
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# bind self to func so that AsyncCommandResult doesn't need to
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# know about the mode
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bound_func = functools.partial(func, self)
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return base.AsyncCommandResult(command_name,
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command_params,
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bound_func).start()
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return wrapper
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return async_decorator
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