Knaben API
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"""Knaben torrent search API client."""
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from typing import Dict, Any, Optional, List
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from dataclasses import dataclass
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import logging
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import requests
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from requests.exceptions import RequestException, Timeout, HTTPError
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from ..config import Settings, settings
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logger = logging.getLogger(__name__)
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class KnabenError(Exception):
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"""Base exception for Knaben-related errors."""
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pass
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class KnabenConfigurationError(KnabenError):
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"""Raised when Knaben API is not properly configured."""
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pass
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class KnabenAPIError(KnabenError):
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"""Raised when Knaben API returns an error."""
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pass
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class KnabenNotFoundError(KnabenError):
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"""Raised when no torrents are found."""
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pass
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@dataclass
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class TorrentResult:
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"""Represents a torrent search result from Knaben."""
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title: str
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size: str
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seeders: int
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leechers: int
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magnet: str
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info_hash: Optional[str] = None
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tracker: Optional[str] = None
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upload_date: Optional[str] = None
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category: Optional[str] = None
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class KnabenClient:
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"""
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Client for interacting with Knaben torrent search API.
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Knaben is a torrent search engine that aggregates results from multiple trackers.
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Example:
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>>> client = KnabenClient()
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>>> results = client.search("Inception 1080p")
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>>> for torrent in results[:5]:
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... print(f"{torrent.name} - Seeders: {torrent.seeders}")
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"""
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def __init__(
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self,
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base_url: Optional[str] = None,
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timeout: Optional[int] = None,
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config: Optional[Settings] = None
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):
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"""
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Initialize Knaben client.
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Args:
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base_url: Knaben API base URL (defaults to https://api.knaben.org/v1)
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timeout: Request timeout in seconds (defaults to settings)
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config: Optional Settings instance (for testing)
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Note:
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Knaben API doesn't require an API key
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"""
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cfg = config or settings
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self.base_url = base_url or "https://api.knaben.org/v1"
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self.timeout = timeout or cfg.request_timeout
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logger.info("Knaben client initialized")
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def _make_request(
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self,
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params: Optional[Dict[str, Any]] = None
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) -> Dict[str, Any]:
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"""
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Make a request to Knaben API.
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Args:
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endpoint: API endpoint (e.g., '/search')
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params: Query parameters
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Returns:
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JSON response as dict
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Raises:
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KnabenAPIError: If request fails
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"""
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try:
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logger.debug(f"Knaben request with params: {params}")
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response = requests.post(self.base_url, json=params, timeout=self.timeout)
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response.raise_for_status()
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return response.json()
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except Timeout as e:
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logger.error(f"Knaben API timeout: {e}")
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raise KnabenAPIError(f"Request timeout after {self.timeout} seconds") from e
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except HTTPError as e:
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logger.error(f"Knaben API HTTP error: {e}")
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if e.response is not None:
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status_code = e.response.status_code
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if status_code == 404:
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raise KnabenNotFoundError("Resource not found") from e
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elif status_code == 429:
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raise KnabenAPIError("Rate limit exceeded") from e
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else:
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raise KnabenAPIError(f"HTTP {status_code}: {e}") from e
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raise KnabenAPIError(f"HTTP error: {e}") from e
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except RequestException as e:
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logger.error(f"Knaben API request failed: {e}")
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raise KnabenAPIError(f"Failed to connect to Knaben API: {e}") from e
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def search(
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self,
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query: str,
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limit: int = 10
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) -> List[TorrentResult]:
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"""
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Search for torrents.
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Args:
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query: Search query (e.g., "Inception 1080p")
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limit: Maximum number of results (default: 50)
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Returns:
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List of TorrentResult objects
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Raises:
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KnabenAPIError: If request fails
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KnabenNotFoundError: If no results found
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ValueError: If query is invalid
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"""
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if not query or not isinstance(query, str):
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raise ValueError("Query must be a non-empty string")
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if len(query) > 500:
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raise ValueError("Query is too long (max 500 characters)")
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# Build params
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params = {
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"query": query,
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"search_field": "title",
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"order_by": "peers",
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"order_direction": "desc",
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"from": 0,
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"size": limit,
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"hide_unsafe": True,
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"hide_xxx": True,
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}
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try:
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data = self._make_request(params)
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except KnabenNotFoundError as e:
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# No results found
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logger.info(f"No torrents found for '{query}'")
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return []
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except Exception as e:
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logger.error(f"Unexpected error in search: {e}", exc_info=True)
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raise
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# Parse results
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results = []
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torrents = data.get('hits', [])
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if not torrents:
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logger.info(f"No torrents found for '{query}'")
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return []
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for torrent in torrents:
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try:
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result = self._parse_torrent(torrent)
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results.append(result)
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except Exception as e:
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logger.warning(f"Failed to parse torrent: {e}")
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continue
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logger.info(f"Found {len(results)} torrents for '{query}'")
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return results
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def _parse_torrent(self, torrent: Dict[str, Any]) -> TorrentResult:
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"""
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Parse a torrent result into a TorrentResult object.
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Args:
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torrent: Raw torrent dict from API
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Returns:
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TorrentResult object
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"""
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# Extract required fields (API uses camelCase)
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title = torrent.get('title', 'Unknown')
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size = torrent.get('size', 'Unknown')
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seeders = int(torrent.get('seeders', 0) or 0)
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leechers = int(torrent.get('leechers', 0) or 0)
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magnet = torrent.get('magnetUrl', '')
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# Extract optional fields
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info_hash = torrent.get('hash')
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tracker = torrent.get('tracker')
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upload_date = torrent.get('date')
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category = torrent.get('category')
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return TorrentResult(
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title=title,
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size=size,
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seeders=seeders,
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leechers=leechers,
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magnet=magnet,
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info_hash=info_hash,
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tracker=tracker,
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upload_date=upload_date,
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category=category
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)
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# Global Knaben client instance (singleton)
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knaben_client = KnabenClient()
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