72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import six
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from yaql.language import utils
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class YaqlInterface(object):
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def __init__(self, context, engine, receiver=utils.NO_VALUE):
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self.__sender = receiver
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self.__engine = engine
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self.__context = context
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@property
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def context(self):
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return self.__context
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@property
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def engine(self):
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return self.__engine
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@property
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def sender(self):
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return self.__sender
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def on(self, receiver):
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return YaqlInterface(self.context, self.engine, receiver)
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def __getattr__(self, item):
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def stub(*args, **kwargs):
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context = self.context
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args = utils.convert_input_data(args)
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kwargs = utils.convert_input_data(kwargs)
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limit_func = context('#iter', self.engine)
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return utils.convert_output_data(
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context(item, self.engine, self.sender)(*args, **kwargs),
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limit_func, self.engine)
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return stub
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def __call__(self, __expression, *args, **kwargs):
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context = self.context.create_child_context()
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args = utils.convert_input_data(args)
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for i, arg_value in enumerate(args):
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context['$' + str(i + 1)] = arg_value
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kwargs = utils.convert_input_data(kwargs)
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for arg_name, arg_value in six.iteritems(kwargs):
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context['$' + arg_name] = arg_value
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parsed = self.engine(__expression)
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res = parsed.evaluate(context=context)
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limit_func = context('#iter', self.engine)
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return utils.convert_output_data(res, limit_func, self.engine)
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def __getitem__(self, item):
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return self.context[item]
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def __setitem__(self, key, value):
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self.context[key] = value
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