File size: 2,794 Bytes
e197abb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | import argparse
import json
import logging
import sys
from typing import Any, Optional
logger = logging.getLogger(__name__)
def _json(data: Any) -> None:
print(json.dumps(data, indent=2, default=str))
def _table(rows: list[dict], cols: Optional[list[str]] = None) -> None:
if not rows:
print("(empty)")
return
cols = cols or list(rows[0].keys())
widths = {c: max(len(c), max(len(str(r.get(c, ""))) for r in rows))
for c in cols}
sep = " "
print(sep.join(c.ljust(widths[c]) for c in cols))
print("-" * (sum(widths.values()) + len(sep) * (len(cols) - 1)))
for row in rows:
print(sep.join(str(row.get(c, "")).ljust(widths[c]) for c in cols))
def cmd_list(args: argparse.Namespace) -> int:
logger.debug("list: %s", vars(args))
print(f"Listing (page={args.page} size={args.size})")
return 0
def cmd_add(args: argparse.Namespace) -> int:
logger.debug("add: name=%s", args.name)
print(f"Added: {args.name!r}")
return 0
def cmd_delete(args: argparse.Namespace) -> int:
logger.debug("delete: id=%s", args.id)
print(f"Deleted: {args.id}")
return 0
def cmd_show(args: argparse.Namespace) -> int:
logger.debug("show: id=%s", args.id)
print(f"Record: {args.id}")
return 0
def cmd_export(args: argparse.Namespace) -> int:
logger.debug("export: fmt=%s", args.format)
print(f"Exported as {args.format}")
return 0
def build_parser() -> argparse.ArgumentParser:
p = argparse.ArgumentParser(prog="app",
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
p.add_argument("--json", dest="as_json", action="store_true")
sub = p.add_subparsers(dest="cmd", required=True)
ls = sub.add_parser("list")
ls.add_argument("--page", type=int, default=1)
ls.add_argument("--size", type=int, default=20)
ls.set_defaults(func=cmd_list)
add = sub.add_parser("add")
add.add_argument("name")
add.add_argument("--tag", action="append", dest="tags", default=[])
add.set_defaults(func=cmd_add)
rm = sub.add_parser("delete")
rm.add_argument("id")
rm.add_argument("-y", "--yes", action="store_true")
rm.set_defaults(func=cmd_delete)
show = sub.add_parser("show")
show.add_argument("id")
show.set_defaults(func=cmd_show)
exp = sub.add_parser("export")
exp.add_argument("--format", choices=["csv", "json", "text"], default="text")
exp.add_argument("--output", "-o", default="-")
exp.set_defaults(func=cmd_export)
return p
def run_cli() -> int:
args = build_parser().parse_args()
try:
return args.func(args)
except Exception as exc:
logger.error("%s", exc)
return 1
if __name__ == "__main__":
sys.exit(run_cli())
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