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ai-workflow-course/modules/01-the-copy-paste-problem/lab/starter/cli.py
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claude 2684095e2f Build out all 27 modules + capstone (#1)
Co-authored-by: claude <claude@jpaul.io>
Co-committed-by: claude <claude@jpaul.io>
2026-06-22 12:19:01 -04:00

57 lines
1.3 KiB
Python

"""Tiny command-line front end for the demo task app.
Run it:
python cli.py add "write the lesson"
python cli.py list
State is kept in tasks.json next to this file. It's intentionally minimal — the point of this app
is to be a realistic-but-small thing you change with an AI, not a product.
"""
import json
import sys
from pathlib import Path
from tasks import Task, TaskList
STATE = Path(__file__).parent / "tasks.json"
def load() -> TaskList:
if not STATE.exists():
return TaskList()
raw = json.loads(STATE.read_text())
return TaskList(tasks=[Task(**t) for t in raw])
def save(tlist: TaskList) -> None:
STATE.write_text(json.dumps([t.__dict__ for t in tlist.tasks], indent=2))
def main(argv: list[str]) -> int:
tlist = load()
if not argv:
print("usage: python cli.py [add <title> | list | done <index>]")
return 1
command = argv[0]
if command == "add":
title = " ".join(argv[1:])
tlist.add(title)
save(tlist)
print(f"added: {title}")
elif command == "list":
print(tlist.render())
elif command == "done":
tlist.complete(int(argv[1]))
save(tlist)
print("updated")
else:
print(f"unknown command: {command}")
return 1
return 0
if __name__ == "__main__":
raise SystemExit(main(sys.argv[1:]))