[Résolu] Backup bdd / Nombre de sauvegardes

#coding:utf-8

import os, time
def ksort(d):
    return [(k,d[k]) for k in sorted(d.keys())]

if __name__ == "__main__":
    try:
        path = "/mon/chemin/vers/fichiers/"

        #dump sql
        dump = "mysqldump -h localhost -uroot -p ma_base_de_donness > {pathToDump}{filenameToDump}"
        dumpFile = "_" + time.time() + '.sql'
        os.system( dump.format( pathToDump = path, filenameToDump = dumpFile ) )

        #delete files if count > 3
        files = os.listdir(path)
        dictFiles = {}
        limitToRemove = 3

        for file in files:
            if os.path.isfile(path + file):
                dictFiles[ os.path.getmtime(path + file) ] = path + file

        if len(dictFiles) > limitToRemove:
            ksort(dictFiles)
            count = 0

            for k , v in dictFiles.items():
                if count >= limitToRemove and os.path.exists(v):
                    os.remove(v)
                count += 1

    except Exception as e:
        print('error system >>>---------> ', e)