Files
AutoMarket/backend/ym_api/client.py

76 lines
3.2 KiB
Python

import os
import requests
import time
from typing import Dict, Any, Optional
from .exceptions import YMAPIError, YMAuthError, YMRateLimitError, YMBadRequestError, YMNotFoundError
class YMClient:
"""Base client for interacting with Yandex Market API."""
BASE_URL = "https://api.partner.market.yandex.ru/v2"
def __init__(self, api_token: Optional[str] = None, campaign_id: Optional[str] = None, business_id: Optional[str] = None):
# Fetch from env if not provided
self.api_token = api_token or os.getenv('YM_API_TOKEN')
self.campaign_id = campaign_id or os.getenv('YM_CAMPAIGN_ID')
self.business_id = business_id or os.getenv('YM_BUSINESS_ID')
if not self.api_token:
raise ValueError("YM_API_TOKEN must be provided")
self.session = requests.Session()
# Depending on app type, token might be Bearer or OAuth oauth_token=...
# We will use Bearer as it's the modern standard for YM API
self.session.headers.update({
"Authorization": f"Bearer {self.api_token}",
"Content-Type": "application/json"
})
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]:
"""Perform HTTP request to Yandex Market API with automatic retries."""
url = f"{self.BASE_URL}{path}"
for attempt in range(retries):
try:
response = self.session.request(method, url, json=data, params=params)
# Check rate limiting
if response.status_code == 429:
if attempt < retries - 1:
time.sleep(2 ** attempt) # Exponential backoff
continue
raise YMRateLimitError("Rate limit exceeded")
if response.status_code in (401, 403):
raise YMAuthError(f"Authentication failed: {response.text}")
if response.status_code == 400:
raise YMBadRequestError(f"Bad Request: {response.text}")
if response.status_code == 404:
raise YMNotFoundError(f"Not Found: {response.text}")
response.raise_for_status()
if response.content:
return response.json()
return {}
except requests.exceptions.RequestException as e:
if attempt < retries - 1:
time.sleep(2 ** attempt)
continue
raise YMAPIError(f"Request failed: {str(e)}")
raise YMAPIError("Request failed after max retries")
def post(self, path: str, data: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
return self.request("POST", path, data=data)
def get(self, path: str, params: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
return self.request("GET", path, params=params)
def put(self, path: str, data: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
return self.request("PUT", path, data=data)