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Runtime error
| #! /usr/bin/python3 | |
| import argparse | |
| import os | |
| import sys | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument('-u', '--unit', metavar='unit', type=str, required=True, help='Systemd unit to display') | |
| parser.add_argument('-f', '--follow', default=False, action='store_true', help='Follows the log') | |
| parser.add_argument('-n', '--lines', metavar='num', type=int, help='Num of lines to display') | |
| parser.add_argument('--no-pager', default=False, action='store_true', help='Do not pipe through a pager') | |
| parser.add_argument('--system', default=False, action='store_true', help='Show system units') | |
| parser.add_argument('--user', default=False, action='store_true', help='Show user units') | |
| parser.add_argument('--root', metavar='path', type=str, help='Use subdirectory path') | |
| parser.add_argument('-x', default=False, action='store_true', help='Switch on verbose mode') | |
| args = parser.parse_args() | |
| systemctl_py = "systemctl3.py" | |
| path = os.path.dirname(sys.argv[0]) | |
| systemctl = os.path.join(path, systemctl_py) | |
| cmd = [ systemctl, "log", args.unit ] # drops the -u | |
| if args.follow: cmd += [ "-f" ] | |
| if args.lines: cmd += [ "-n", str(args.lines) ] | |
| if args.no_pager: cmd += [ "--no-pager" ] | |
| if args.system: cmd += [ "--system" ] | |
| elif args.user: cmd += [ "--user" ] | |
| if args.root: cmd += [ "--root", start(args.root) ] | |
| if args.x: cmd += [ "-vvv" ] | |
| os.execvp(cmd[0], cmd) | |