56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
from datetime import datetime
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from zipfile import ZipFile
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import os
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import shutil
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# base directory
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basedir = "/media/hd/cloud"
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# list of the paths to the files and directories to be copied, relative to the base directory
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filelist = "/media/hd/cloud/Tilman/Computer/selective-backup/filelist.txt"
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# duration for backups to be kept
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days_to_keep = 5
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months_to_keep = 5
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# directories to backup to
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daily_dir = "/media/hd/cloud/Tilman/Computer/selective-backup/daily/"
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monthly_dir = "/media/hd/cloud/Tilman/Computer/selective-backup/monthly/"
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now = datetime.now()
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today = datetime.today()
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target_filename = today.strftime('%Y-%m-%d') + "_selective-backup.zip"
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with open(filelist) as file:
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lines = [line.rstrip() for line in file]
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# backup directories and files
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with ZipFile(daily_dir + target_filename, 'w') as zip:
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for line in lines:
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if os.path.isdir(basedir + line):
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for root, dirs, files in os.walk(basedir + line):
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for file in files:
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file_path = os.path.join(root, file)
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zip.write(file_path)
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else:
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zip.write(basedir + line)
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# if first of month, copy over
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if now.day == 1:
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shutil.copy(daily_dir + target_filename, monthly_dir)
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# delete old backups
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for filename in os.listdir(daily_dir):
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date_object = datetime.strptime(filename[:10], '%Y-%m-%d')
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delta = today - date_object
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if delta.days > days_to_keep:
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os.remove(daily_dir + filename)
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for filename in os.listdir(monthly_dir):
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date_object = datetime.strptime(filename[:10], '%Y-%m-%d')
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num_months = (today.year - date_object.year) * 12 + (today.month - date_object.month)
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if num_months > months_to_keep:
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os.remove(monthly_dir + filename)
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