73 lines
3.0 KiB
Python
73 lines
3.0 KiB
Python
import os
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import requests
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import time
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from typing import Dict, Any, Optional
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from .exceptions import LamodaAPIError, LamodaAuthError, LamodaRateLimitError, LamodaBadRequestError, LamodaNotFoundError
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class LamodaClient:
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"""Base client for interacting with Lamoda Seller Partner API."""
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BASE_URL = "https://api.seller.lamoda.ru"
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def __init__(self, api_key: Optional[str] = None):
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# Fetch from env if not provided
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self.api_key = api_key or os.getenv('LAMODA_API_KEY')
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if not self.api_key:
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raise ValueError("LAMODA_API_KEY must be provided")
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self.session = requests.Session()
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# Lamoda often uses X-API-Key or Authorization Bearer depending on the endpoint.
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# We assume X-API-Key as the standard for B2B API integrations.
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self.session.headers.update({
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"X-API-Key": self.api_key,
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"Content-Type": "application/json"
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})
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def request(self, method: str, path: str, data: Optional[Dict[str, Any]] = None, params: Optional[Dict[str, Any]] = None, retries: int = 3) -> Dict[str, Any]:
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"""Perform HTTP request to Lamoda API with automatic retries."""
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url = f"{self.BASE_URL}{path}"
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for attempt in range(retries):
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try:
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response = self.session.request(method, url, json=data, params=params)
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# Check rate limiting
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if response.status_code == 429:
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if attempt < retries - 1:
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time.sleep(2 ** attempt) # Exponential backoff
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continue
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raise LamodaRateLimitError("Rate limit exceeded")
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if response.status_code in (401, 403):
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raise LamodaAuthError(f"Authentication failed: {response.text}")
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if response.status_code == 400:
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raise LamodaBadRequestError(f"Bad Request: {response.text}")
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if response.status_code == 404:
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raise LamodaNotFoundError(f"Not Found: {response.text}")
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response.raise_for_status()
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if response.content:
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return response.json()
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return {}
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except requests.exceptions.RequestException as e:
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if attempt < retries - 1:
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time.sleep(2 ** attempt)
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continue
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raise LamodaAPIError(f"Request failed: {str(e)}")
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raise LamodaAPIError("Request failed after max retries")
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def post(self, path: str, data: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
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return self.request("POST", path, data=data)
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def get(self, path: str, params: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
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return self.request("GET", path, params=params)
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def put(self, path: str, data: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
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return self.request("PUT", path, data=data)
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