Joeven — Learn Autonomous AI Agents

Python loads on first run

import json

TOOLS = {
    "get_job": lambda job_id: {"id": job_id, "status": "failed", "error": "vendor timeout"},
    "finish": lambda answer: {"final": answer},
    "handoff": lambda reason: {"handoff": reason},
}

def parse_action(text):
    obj = json.loads(text)
    if obj.get("tool") not in TOOLS:
        raise ValueError("unknown tool")
    if not isinstance(obj.get("args"), dict):
        raise ValueError("args")
    return obj

def run_loop(script, max_steps=4):
    for step, blob in enumerate(script, start=1):
        if step > max_steps:
            return "STOP: budget"
        turn = parse_action(blob)
        result = TOOLS[turn["tool"]](**turn["args"])
        print("step", step, turn["tool"], result)
        if turn["tool"] in {"finish", "handoff"}:
            return result
    return "STOP: no finish"

script = [
    '{"thought": "need the job", "tool": "get_job", "args": {"job_id": 17}}',
    '{"thought": "report it", "tool": "finish", "args": {"answer": "Job 17 failed: vendor timeout"}}',
]
print("OUT:", run_loop(script))
print("prose fails")
try:
    parse_action("I will now Get-Job :)")
except Exception as e:
    print(type(e).__name__, e)

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