111 lines
3.9 KiB
Python
Executable File
111 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
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import argparse
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import logging
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import os.path
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import shutil
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import sys
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import time
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import spqr.curateipsum.backup as backup
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_lg = logging.getLogger("spqr.curateipsum")
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SUPPORTED_PLATFORMS = ("linux", "darwin")
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def main():
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formatter = logging.Formatter("{asctime}|{levelname}|{message}", style="{")
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console_handler = logging.StreamHandler()
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console_handler.setFormatter(formatter)
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parser = argparse.ArgumentParser(
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prog="cura-te-ipsum", description="cura-te-ipsum, my personal backup software.",
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)
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parser.add_argument("-V", "--version", action="version", version="%(prog)s 0.1")
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parser.add_argument("-v", "--verbose",
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action="store_true",
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default=False,
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help="print verbose information")
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parser.add_argument("-b",
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dest="backup_dir",
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metavar="BACKUP_DIR",
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type=str,
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required=True,
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help="directory, where all backups will be stored")
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parser.add_argument("-n", "--dry-run",
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action="store_true",
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default=False,
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help="Do not do create backup")
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parser.add_argument("-f", "--force",
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action="store_true",
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default=False,
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help="Force run when previous backup is still in process")
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parser.add_argument("--external-rsync",
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action="store_true",
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default=False,
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help="Use external rsync for copying")
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parser.add_argument("--external-hardlink",
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action="store_true",
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default=False,
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help="Use cp command for creating hardlink copies")
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parser.add_argument("sources",
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nargs="+",
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metavar="SOURCE",
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type=str,
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help="backup source (file/dir/smth else)")
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args = parser.parse_args()
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loglevel = logging.DEBUG if args.verbose else logging.INFO
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logging.basicConfig(level=loglevel, handlers=[console_handler])
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_lg.info("Starting %s: %s", parser.prog, args)
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if sys.platform not in SUPPORTED_PLATFORMS:
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_lg.error("Not supported platform: %s. Supported platforms: %s",
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sys.platform, SUPPORTED_PLATFORMS)
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return 1
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if args.external_rsync and not shutil.which("rsync"):
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_lg.error("rsync should be installed to use --external-rsync option.")
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return 1
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cp_program = "gcp" if sys.platform == "darwin" else "cp"
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if args.external_hardlink and not shutil.which(cp_program):
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_lg.error("%s should be installed to use --external-hardlink option.",
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cp_program)
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return 1
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backup_dir_abs = os.path.abspath(args.backup_dir)
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if not os.path.isdir(backup_dir_abs):
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_lg.error("Backup directory %s does not exist, exiting", args.backup_dir)
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return 1
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for src_dir in args.sources:
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if not os.path.isdir(src_dir):
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_lg.error("Source directory %s does not exist", src_dir)
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return 1
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start_time = time.time()
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if not backup.set_backups_lock(backup_dir_abs, args.force):
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_lg.warning("Previous backup is still in process, exiting")
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return 1
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backup.cleanup_old_backups(backup_dir=backup_dir_abs, dry_run=args.dry_run)
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backup.initiate_backup(
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sources=args.sources,
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backup_dir=backup_dir_abs,
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dry_run=args.dry_run,
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external_rsync=args.external_rsync,
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external_hardlink=args.external_hardlink,
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)
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backup.release_backups_lock(backup_dir_abs)
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end_time = time.time()
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spent_time = end_time - start_time
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_lg.info("Finished, time spent: %.3fs", spent_time)
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if __name__ == "__main__":
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sys.exit(main())
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