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#!/usr/bin/env python3
"""
Copyright © 2020 Mia Herkt
Licensed under the EUPL, Version 1.2 or - as soon as approved
by the European Commission - subsequent versions of the EUPL
(the "License");
You may not use this work except in compliance with the License.
You may obtain a copy of the license at:
https://joinup.ec.europa.eu/software/page/eupl
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
either express or implied.
See the License for the specific language governing permissions
and limitations under the License.
"""
import os
import sys
import time
import datetime
from fhost import app
os.chdir(os.path.dirname(sys.argv[0]))
os.chdir(app.config["FHOST_STORAGE_PATH"])
files = [f for f in os.listdir(".")]
maxs = app.config["MAX_CONTENT_LENGTH"]
mind = 30
maxd = 365
for f in files:
stat = os.stat(f)
systime = time.time()
age = datetime.timedelta(seconds=(systime - stat.st_mtime)).days
maxage = mind + (-maxd + mind) * (stat.st_size / maxs - 1) ** 3
if age >= maxage:
os.remove(f)