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#! /usr/bin/python3
import sys
import os
import re
from subprocess import run
import argparse
from glob import glob
from datetime import datetime, timedelta
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='Enregistre la base de données')
parser.add_argument(
'--verify', action='store_true',
help="(Optionnel) vérifier ce qui serait fait, sans rien faire vraiment")
parser.add_argument(
'dbdir', help="Répertoire contenant la base de données")
options = parser.parse_args(sys.argv[1:])
cmd = f"cd {options.dbdir}; " + \
"zip media/sauvegarde/db-$(date +%Y-%m-%d_T_%H-%M-%S).sqlite3.zip " + \
"db.sqlite3 > /dev/null 2>&1"
if options.verify:
print("On lancerait la commande :", repr(cmd))
else:
run(cmd, shell=True)
saved = glob(os.path.join(options.dbdir, "media", "sauvegarde", "db*.zip"))
save_dic={}
for s in saved:
m = re.match(
r".*/db.*(\d\d\d\d)-(\d\d)-(\d\d)[_T]*(\d\d)-(\d\d)-(\d\d).*\.zip",
s)
if m:
save_dic[s] = datetime(
year = int(m.group(1)),
month = int(m.group(2)),
day = int(m.group(3)),
hour = int(m.group(4)),
minute = int(m.group(5)),
second = int(m.group(6)),
)
plusDeQuinzeJours = datetime.now() - timedelta(days=14)
plusDeQuatremois = datetime.now() - timedelta(days=4*30.5)
for s in save_dic:
wd = save_dic[s].date().weekday()
vieux = save_dic[s] < plusDeQuinzeJours
tresvieux = save_dic[s] < plusDeQuatremois
if vieux and wd != 6 or tresvieux:
day = (
"lundi,mardi,mercredi,jeudi,vendredi,samedi,dimanche").split(
",")[wd]
if tresvieux:
explication = "fichier de plus de 4 mois"
else:
explication = f"fichier de plus de 15 jours, {day} (pas un dimanche)"
if options.verify:
print("On effacerait", s, explication)
else:
os.unlink(s)
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