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Update s3s.py to allow clean docker exit #196

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Update s3s.py to allow clean docker exit #196

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18 changes: 17 additions & 1 deletion s3s.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
# https://github.com/frozenpandaman/s3s
# License: GPLv3

import argparse, base64, datetime, json, os, shutil, re, sys, time, uuid
import argparse, base64, datetime, json, os, shutil, signal, re, sys, time, types, uuid
from concurrent.futures import ThreadPoolExecutor
from subprocess import call
import requests, msgpack
Expand Down Expand Up @@ -1801,12 +1801,28 @@ def parse_arguments():
parser.add_argument("--skipprefetch", required=False, action="store_true", help=argparse.SUPPRESS)
return parser.parse_args()

def terminate(sigterm: signal.SIGTERM, frame: types.FrameType) -> None:
'''Terminate cleanly. Needed for stopping swiftly when docker sends the command to stop.

Args:
----
sigterm (signal.Signal): The termination signal.
frame: The execution frame.

'''
print(f"Termination signal sent: {datetime.datetime.now()}")
sys.exit(0)



def main():
'''Main process, including I/O and setup.'''

print('\033[93m\033[1m' + "s3s" + '\033[0m\033[93m' + f" v{A_VERSION}" + '\033[0m')

signal.signal(signal.SIGTERM, terminate) # Process termination signals, allowing cleanly stopping when run as a docker container


# argparse setup
################
parser_result = parse_arguments()
Expand Down