Nick Coghlan | d0bb6aa | 2012-04-25 22:17:54 +1000 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
| 2 | """Miscellaneous diagnostics for the import system""" |
| 3 | |
| 4 | import sys |
| 5 | import argparse |
| 6 | from pprint import pprint |
| 7 | |
| 8 | def _dump_state(args): |
| 9 | print(sys.version) |
Nick Coghlan | ec5cf09 | 2012-04-29 17:58:24 +1000 | [diff] [blame] | 10 | for name in args.attributes: |
| 11 | print("sys.{}:".format(name)) |
| 12 | pprint(getattr(sys, name)) |
| 13 | |
| 14 | def _add_dump_args(cmd): |
| 15 | cmd.add_argument("attributes", metavar="ATTR", nargs="+", |
| 16 | help="sys module attribute to display") |
Nick Coghlan | d0bb6aa | 2012-04-25 22:17:54 +1000 | [diff] [blame] | 17 | |
| 18 | COMMANDS = ( |
Nick Coghlan | ec5cf09 | 2012-04-29 17:58:24 +1000 | [diff] [blame] | 19 | ("dump", "Dump import state", _dump_state, _add_dump_args), |
Nick Coghlan | d0bb6aa | 2012-04-25 22:17:54 +1000 | [diff] [blame] | 20 | ) |
| 21 | |
| 22 | def _make_parser(): |
| 23 | parser = argparse.ArgumentParser() |
| 24 | sub = parser.add_subparsers(title="Commands") |
Nick Coghlan | ec5cf09 | 2012-04-29 17:58:24 +1000 | [diff] [blame] | 25 | for name, description, implementation, add_args in COMMANDS: |
Nick Coghlan | d0bb6aa | 2012-04-25 22:17:54 +1000 | [diff] [blame] | 26 | cmd = sub.add_parser(name, help=description) |
| 27 | cmd.set_defaults(command=implementation) |
Nick Coghlan | ec5cf09 | 2012-04-29 17:58:24 +1000 | [diff] [blame] | 28 | add_args(cmd) |
Nick Coghlan | d0bb6aa | 2012-04-25 22:17:54 +1000 | [diff] [blame] | 29 | return parser |
| 30 | |
| 31 | def main(args): |
| 32 | parser = _make_parser() |
| 33 | args = parser.parse_args(args) |
| 34 | return args.command(args) |
| 35 | |
| 36 | if __name__ == "__main__": |
| 37 | sys.exit(main(sys.argv[1:])) |