python-apify-client.py

"""Vinted Smart Scraper — Python example using the official Apify client.

Setup:
    pip install apify-client
    export APIFY_TOKEN="<your-token>"
    python examples/python-apify-client.py

Output: same as the Node example — best-buy country and biggest arbitrage spread.
"""

from __future__ import annotations

import os
import sys
import statistics
from collections import defaultdict

from apify_client import ApifyClient


def main() -> None:
    token = os.environ.get("APIFY_TOKEN")
    if not token:
        sys.exit("Set APIFY_TOKEN env var first")

    client = ApifyClient(token)

    input_data = {
        "searchText": "nike air max 90",
        "countries": ["fr", "es", "it"],
        "maxResults": 100,
        "crossCountry": True,
        "currency": "EUR",
    }

    print(f"Starting actor with input: {input_data}")

    run = client.actor("kazkn/vinted-smart-scraper").call(run_input=input_data)
    items = list(client.dataset(run["defaultDatasetId"]).iterate_items())

    if not items:
        sys.exit("No items returned. Either no listings match or your token is rate-limited.")

    # Aggregate by best-buy country
    by_buy: dict[str, list[float]] = defaultdict(list)
    for item in items:
        country = item.get("bestBuyCountry") or item["country"]
        by_buy[country].append(item["priceEur"])

    print(f"\nFound {len(items)} items across {len(by_buy)} countries\n")

    rows = sorted(
        ((c, statistics.median(p), len(p)) for c, p in by_buy.items()),
        key=lambda r: r[1],
    )
    print(f"{'Country':<10} {'Median EUR':<12} {'Count':<6}")
    print("-" * 30)
    for country, median, count in rows:
        print(f"{country:<10} {median:<12.2f} {count:<6}")

    # Top spread
    spreads = sorted(
        (i for i in items if i.get("arbitrageSpread") is not None),
        key=lambda i: i["arbitrageSpread"],
        reverse=True,
    )
    if spreads:
        top = spreads[0]
        print("\nBiggest arbitrage spread:")
        print(f"  Buy in {top['bestBuyCountry']} at €{top['priceEur']:.2f}")
        print(f"  Sell in {top['bestSellCountry']} at €{top['bestSellPrice']:.2f}")
        print(f"  Spread: {top['arbitrageSpread'] * 100:.1f}%")
        print(f"  Listing: {top['permalink']}")


if __name__ == "__main__":
    main()