43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
# Copyright (c) 2014 Catalyst IT Ltd
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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
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# 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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from stevedore import driver
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from distil.common import general
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class BaseTransformer(object):
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def __init__(self, name, override_config=None):
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self.config = general.get_transformer_config(name)
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if override_config:
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self.config.update(override_config)
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def transform_usage(self, meter_name, raw_data, start_at, end_at):
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return self._transform_usage(meter_name, raw_data, start_at, end_at)
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def _transform_usage(self, meter_name, raw_data, start_at, end_at):
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raise NotImplementedError
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def get_transformer(name, **kwargs):
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return driver.DriverManager(
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'distil.transformer',
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name,
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invoke_on_load=True,
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invoke_args=(name,),
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invoke_kwds=kwargs
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).driver
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