examples/assets.py
# The MIT License (MIT)
# Copyright (c) 2014-2017 University of Bristol
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# 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
# copies or substantial portions of the Software.
#
# 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.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.
from hyperstream import HyperStream, StreamId, StreamInstance, TimeInterval
from hyperstream.utils import utcnow, UTC
from datetime import timedelta
import os
os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), ".."))
if __name__ == '__main__':
hs = HyperStream(loglevel=20)
M = hs.channel_manager.memory
T = hs.channel_manager.tools
A = hs.channel_manager.assets
test_assets = StreamId(name="test_assets")
A.get_or_create_stream(test_assets)
A.write_to_stream(test_assets, StreamInstance(utcnow(), {'a', 'b', 'c'}))
print(list(A[test_assets].window().tail(5)))