hyperstream/tools/meta_instance_from_list/2016-12-07_v0.0.1.py
# The MIT License (MIT) # Copyright (c) 2014-2017 University of Bristol
#
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# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
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# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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from hyperstream.stream import StreamMetaInstance # StreamInstance
from hyperstream.tool import PlateCreationTool
from hyperstream.utils import MIN_DATE
# from copy import deepcopy
class MetaInstanceFromList(PlateCreationTool):
def __init__(self, values=[]):
"""
Meta instance output tool.
"""
super(MetaInstanceFromList, self).__init__(values=values)
def _execute(self, source, interval):
for value in self.values:
yield StreamMetaInstance( (MIN_DATE, None), value)