库存供应商补货代理

import requests, json, pandas as pd

SUPPLIER_API = "https://api.example.com/suppliers"
INVENTORY_API = "https://api.example.com/restock"

def fetch_suppliers():
    resp = requests.get(SUPPLIER_API + "/list")
    return resp.json().get("suppliers", [])

def consolidate_restock(suppliers):
    orders = []
    for s in suppliers:
        restock = requests.get(INVENTORY_API,
            params={"supplier_id": s["id"]}).json()
        total_qty = sum(i["qty"] for i in restock["items"])
        total_cost = sum(i["qty"] * i["unit_price"] for i in restock["items"])
        lead_times = [i["lead_days"] for i in restock["items"]]
        flagged = [i for i in restock["items"] if i["lead_days"] > 10]
        orders.append({
            "supplier": s["name"],
            "items": len(restock["items"]),
            "total_qty": total_qty,
            "total_cost": total_cost,
            "max_lead": max(lead_times),
            "flagged": len(flagged),
            "draft_po": f"PO-{s['id']}-{total_cost:.0f}"
        })
    return orders

purchase_orders = consolidate_restock(fetch_suppliers())
print(json.dumps(purchase_orders, indent=2))