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https://github.com/Novartis/cellxgene-gateway.git
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38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
# Copyright 2019 Novartis Institutes for BioMedical Research Inc. Licensed
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# under the Apache License, Version 2.0 (the "License"); you may not use
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# this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless
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# required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
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# OR CONDITIONS OF ANY KIND, either express or implied. See the License for
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# the specific language governing permissions and limitations under the License.
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import time
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import logging
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from cellxgene_gateway.util import current_time_stamp
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from cellxgene_gateway.env import ttl
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class PruneProcessCache:
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def __init__(self, cache):
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self.cache = cache
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def __call__(self):
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while True:
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time.sleep(60)
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timestamp = current_time_stamp()
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processes_to_delete = []
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for p in self.cache.entry_list:
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if timestamp - p.timestamp > (3600 if ttl is None else ttl):
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processes_to_delete.append(p)
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processes_to_delete
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for process in processes_to_delete:
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try:
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cache.prune(process)
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except Exception:
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logging.getLogger("werkzeug").exception("failed to prune process")
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