brightdata_datasets.py

from smolagents import Tool
import json
import os
import time
import requests
from typing import Dict, Any
from dotenv import load_dotenv

# Load environment variables from .env if present
load_dotenv()


def _build_description(description_lines):
    """Join multiline descriptions defined as lists."""
    return "\n".join(description_lines)


# Dataset catalogue mirrored from the MCP implementation (JS version).
# Each entry defines the dataset_id, the required inputs, optional defaults,
# and optional fixed values that are injected automatically.
DATASETS: Dict[str, Dict[str, Any]] = {
    "amazon_product": {
        "dataset_id": "gd_l7q7dkf244hwjntr0",
        "description": _build_description(
            [
                "Quickly read structured amazon product data.",
                "Requires a valid product URL with /dp/ in it.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "amazon_product_reviews": {
        "dataset_id": "gd_le8e811kzy4ggddlq",
        "description": _build_description(
            [
                "Quickly read structured amazon product review data.",
                "Requires a valid product URL with /dp/ in it.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "amazon_product_search": {
        "dataset_id": "gd_lwdb4vjm1ehb499uxs",
        "description": _build_description(
            [
                "Quickly read structured amazon product search data.",
                "Requires a valid search keyword and amazon domain URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["keyword", "url"],
        "fixed_values": {"pages_to_search": "1"},
    },
    "walmart_product": {
        "dataset_id": "gd_l95fol7l1ru6rlo116",
        "description": _build_description(
            [
                "Quickly read structured walmart product data.",
                "Requires a valid product URL with /ip/ in it.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "walmart_seller": {
        "dataset_id": "gd_m7ke48w81ocyu4hhz0",
        "description": _build_description(
            [
                "Quickly read structured walmart seller data.",
                "Requires a valid walmart seller URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "ebay_product": {
        "dataset_id": "gd_ltr9mjt81n0zzdk1fb",
        "description": _build_description(
            [
                "Quickly read structured ebay product data.",
                "Requires a valid ebay product URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "homedepot_products": {
        "dataset_id": "gd_lmusivh019i7g97q2n",
        "description": _build_description(
            [
                "Quickly read structured homedepot product data.",
                "Requires a valid homedepot product URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "zara_products": {
        "dataset_id": "gd_lct4vafw1tgx27d4o0",
        "description": _build_description(
            [
                "Quickly read structured zara product data.",
                "Requires a valid zara product URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "etsy_products": {
        "dataset_id": "gd_ltppk0jdv1jqz25mz",
        "description": _build_description(
            [
                "Quickly read structured etsy product data.",
                "Requires a valid etsy product URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "bestbuy_products": {
        "dataset_id": "gd_ltre1jqe1jfr7cccf",
        "description": _build_description(
            [
                "Quickly read structured bestbuy product data.",
                "Requires a valid bestbuy product URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "linkedin_person_profile": {
        "dataset_id": "gd_l1viktl72bvl7bjuj0",
        "description": _build_description(
            [
                "Quickly read structured linkedin people profile data.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "linkedin_company_profile": {
        "dataset_id": "gd_l1vikfnt1wgvvqz95w",
        "description": _build_description(
            [
                "Quickly read structured linkedin company profile data.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "linkedin_job_listings": {
        "dataset_id": "gd_lpfll7v5hcqtkxl6l",
        "description": _build_description(
            [
                "Quickly read structured linkedin job listings data.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "linkedin_posts": {
        "dataset_id": "gd_lyy3tktm25m4avu764",
        "description": _build_description(
            [
                "Quickly read structured linkedin posts data.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "linkedin_people_search": {
        "dataset_id": "gd_m8d03he47z8nwb5xc",
        "description": _build_description(
            [
                "Quickly read structured linkedin people search data.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url", "first_name", "last_name"],
    },
    "crunchbase_company": {
        "dataset_id": "gd_l1vijqt9jfj7olije",
        "description": _build_description(
            [
                "Quickly read structured crunchbase company data.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "zoominfo_company_profile": {
        "dataset_id": "gd_m0ci4a4ivx3j5l6nx",
        "description": _build_description(
            [
                "Quickly read structured ZoomInfo company profile data.",
                "Requires a valid ZoomInfo company URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "instagram_profiles": {
        "dataset_id": "gd_l1vikfch901nx3by4",
        "description": _build_description(
            [
                "Quickly read structured Instagram profile data.",
                "Requires a valid Instagram URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "instagram_posts": {
        "dataset_id": "gd_lk5ns7kz21pck8jpis",
        "description": _build_description(
            [
                "Quickly read structured Instagram post data.",
                "Requires a valid Instagram URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "instagram_reels": {
        "dataset_id": "gd_lyclm20il4r5helnj",
        "description": _build_description(
            [
                "Quickly read structured Instagram reel data.",
                "Requires a valid Instagram URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "instagram_comments": {
        "dataset_id": "gd_ltppn085pokosxh13",
        "description": _build_description(
            [
                "Quickly read structured Instagram comments data.",
                "Requires a valid Instagram URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "facebook_posts": {
        "dataset_id": "gd_lyclm1571iy3mv57zw",
        "description": _build_description(
            [
                "Quickly read structured Facebook post data.",
                "Requires a valid Facebook post URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "facebook_marketplace_listings": {
        "dataset_id": "gd_lvt9iwuh6fbcwmx1a",
        "description": _build_description(
            [
                "Quickly read structured Facebook marketplace listing data.",
                "Requires a valid Facebook marketplace listing URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "facebook_company_reviews": {
        "dataset_id": "gd_m0dtqpiu1mbcyc2g86",
        "description": _build_description(
            [
                "Quickly read structured Facebook company reviews data.",
                "Requires a valid Facebook company URL and number of reviews.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url", "num_of_reviews"],
    },
    "facebook_events": {
        "dataset_id": "gd_m14sd0to1jz48ppm51",
        "description": _build_description(
            [
                "Quickly read structured Facebook events data.",
                "Requires a valid Facebook event URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "tiktok_profiles": {
        "dataset_id": "gd_l1villgoiiidt09ci",
        "description": _build_description(
            [
                "Quickly read structured Tiktok profiles data.",
                "Requires a valid Tiktok profile URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "tiktok_posts": {
        "dataset_id": "gd_lu702nij2f790tmv9h",
        "description": _build_description(
            [
                "Quickly read structured Tiktok post data.",
                "Requires a valid Tiktok post URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "tiktok_shop": {
        "dataset_id": "gd_m45m1u911dsa4274pi",
        "description": _build_description(
            [
                "Quickly read structured Tiktok shop data.",
                "Requires a valid Tiktok shop product URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "tiktok_comments": {
        "dataset_id": "gd_lkf2st302ap89utw5k",
        "description": _build_description(
            [
                "Quickly read structured Tiktok comments data.",
                "Requires a valid Tiktok video URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "google_maps_reviews": {
        "dataset_id": "gd_luzfs1dn2oa0teb81",
        "description": _build_description(
            [
                "Quickly read structured Google maps reviews data.",
                "Requires a valid Google maps URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url", "days_limit"],
        "defaults": {"days_limit": "3"},
    },
    "google_shopping": {
        "dataset_id": "gd_ltppk50q18kdw67omz",
        "description": _build_description(
            [
                "Quickly read structured Google shopping data.",
                "Requires a valid Google shopping product URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "google_play_store": {
        "dataset_id": "gd_lsk382l8xei8vzm4u",
        "description": _build_description(
            [
                "Quickly read structured Google play store data.",
                "Requires a valid Google play store app URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "apple_app_store": {
        "dataset_id": "gd_lsk9ki3u2iishmwrui",
        "description": _build_description(
            [
                "Quickly read structured apple app store data.",
                "Requires a valid apple app store app URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "reuter_news": {
        "dataset_id": "gd_lyptx9h74wtlvpnfu",
        "description": _build_description(
            [
                "Quickly read structured reuter news data.",
                "Requires a valid reuter news report URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "github_repository_file": {
        "dataset_id": "gd_lyrexgxc24b3d4imjt",
        "description": _build_description(
            [
                "Quickly read structured github repository data.",
                "Requires a valid github repository file URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "yahoo_finance_business": {
        "dataset_id": "gd_lmrpz3vxmz972ghd7",
        "description": _build_description(
            [
                "Quickly read structured yahoo finance business data.",
                "Requires a valid yahoo finance business URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "x_posts": {
        "dataset_id": "gd_lwxkxvnf1cynvib9co",
        "description": _build_description(
            [
                "Quickly read structured X post data.",
                "Requires a valid X post URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "zillow_properties_listing": {
        "dataset_id": "gd_lfqkr8wm13ixtbd8f5",
        "description": _build_description(
            [
                "Quickly read structured zillow properties listing data.",
                "Requires a valid zillow properties listing URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "booking_hotel_listings": {
        "dataset_id": "gd_m5mbdl081229ln6t4a",
        "description": _build_description(
            [
                "Quickly read structured booking hotel listings data.",
                "Requires a valid booking hotel listing URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "youtube_profiles": {
        "dataset_id": "gd_lk538t2k2p1k3oos71",
        "description": _build_description(
            [
                "Quickly read structured youtube profiles data.",
                "Requires a valid youtube profile URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "youtube_comments": {
        "dataset_id": "gd_lk9q0ew71spt1mxywf",
        "description": _build_description(
            [
                "Quickly read structured youtube comments data.",
                "Requires a valid youtube video URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url", "num_of_comments"],
        "defaults": {"num_of_comments": "10"},
    },
    "reddit_posts": {
        "dataset_id": "gd_lvz8ah06191smkebj4",
        "description": _build_description(
            [
                "Quickly read structured reddit posts data.",
                "Requires a valid reddit post URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
    "youtube_videos": {
        "dataset_id": "gd_lk56epmy2i5g7lzu0k",
        "description": _build_description(
            [
                "Quickly read structured YouTube videos data.",
                "Requires a valid YouTube video URL.",
                "This can be a cache lookup, so it can be more reliable than scraping.",
            ]
        ),
        "inputs": ["url"],
    },
}


class BrightDataDatasetTool(Tool):
    name = "brightdata_dataset_fetch"
    description = (
        "Trigger a Bright Data dataset collection and poll until the snapshot is ready. "
        "Choose a dataset key (e.g., amazon_product, linkedin_company_profile, google_maps_reviews) "
        "and pass the required parameters as JSON."
    )
    inputs = {
        "dataset": {
            "type": "string",
            "description": f"Dataset key. Options: {', '.join(sorted(DATASETS.keys()))}",
        },
        "params_json": {
            "type": "string",
            "description": "JSON string with the required inputs for the chosen dataset",
        },
    }
    output_type = "string"

    def _prepare_payload(self, dataset_key: str, params: Dict[str, Any]) -> Dict[str, Any]:
        """Validate required fields, apply defaults, and merge fixed values."""
        config = DATASETS[dataset_key]
        payload = {}

        defaults = config.get("defaults", {})
        fixed_values = config.get("fixed_values", {})

        for field in config["inputs"]:
            if field in params:
                payload[field] = params[field]
            elif field in defaults:
                payload[field] = defaults[field]
            else:
                raise ValueError(f"Missing required field '{field}' for dataset '{dataset_key}'")

        # Apply fixed values that should always be sent
        payload.update(fixed_values)
        return payload

    def forward(self, dataset: str, params_json: str) -> str:
        """
        Trigger a dataset run and poll until results are ready.

        Args:
            dataset: The dataset key from DATASETS.
            params_json: JSON string containing required inputs for the dataset.

        Returns:
            JSON string of the snapshot data once ready.
        """
        api_token = os.getenv("BRIGHT_DATA_API_TOKEN")
        if not api_token:
            raise ValueError("BRIGHT_DATA_API_TOKEN not found in environment variables")

        if dataset not in DATASETS:
            raise ValueError(f"Unknown dataset '{dataset}'. Valid options: {', '.join(sorted(DATASETS.keys()))}")

        try:
            params = json.loads(params_json) if params_json else {}
        except json.JSONDecodeError as exc:
            raise ValueError(f"params_json is not valid JSON: {exc}") from exc

        payload = self._prepare_payload(dataset, params)
        dataset_id = DATASETS[dataset]["dataset_id"]

        trigger_url = "https://api.brightdata.com/datasets/v3/trigger"
        trigger_headers = {
            "Authorization": f"Bearer {api_token}",
            "Content-Type": "application/json",
        }

        trigger_response = requests.post(
            trigger_url,
            params={"dataset_id": dataset_id, "include_errors": "true"},
            json=[payload],
            headers=trigger_headers,
            timeout=60,
        )
        trigger_response.raise_for_status()
        snapshot_id = trigger_response.json().get("snapshot_id")

        if not snapshot_id:
            raise RuntimeError("No snapshot ID returned from Bright Data.")

        # Poll for completion (up to 10 minutes, matching MCP logic)
        snapshot_url = f"https://api.brightdata.com/datasets/v3/snapshot/{snapshot_id}"
        max_attempts = 600
        attempts = 0

        while attempts < max_attempts:
            try:
                response = requests.get(
                    snapshot_url,
                    params={"format": "json"},
                    headers={"Authorization": f"Bearer {api_token}"},
                    timeout=30,
                )

                # If Bright Data returns an error response we don't want to loop forever
                if response.status_code == 400:
                    response.raise_for_status()

                data = response.json()
                if isinstance(data, list):
                    return json.dumps(data, indent=2)

                status = data.get("status") if isinstance(data, dict) else None
                if status not in {"running", "building"}:
                    return json.dumps(data, indent=2)

                attempts += 1
                time.sleep(1)

            except requests.exceptions.RequestException as exc:
                # Mirror JS logic: tolerate transient failures, but break on 400
                if getattr(getattr(exc, "response", None), "status_code", None) == 400:
                    raise
                attempts += 1
                time.sleep(1)

        raise TimeoutError(f"Timeout waiting for snapshot {snapshot_id} after {max_attempts} seconds")