Backup automatico script del 2026-01-25 07:00

services/telegram-bot/open_meteo_client.py

@@ -0,0 +1,92 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Shared Open-Meteo HTTP client with retries and sane timeouts.
+Use for all calls to Open-Meteo APIs to reduce transient timeouts/502s.
+"""
+
+from __future__ import annotations
+
+from typing import Dict, Optional, Tuple
+
+import requests
+from requests.adapters import HTTPAdapter
+from urllib3.util.retry import Retry
+
+DEFAULT_TIMEOUT: Tuple[int, int] = (5, 25)  # connect, read
+
+_SESSION_CACHE: dict[tuple, requests.Session] = {}
+
+
+def _session_key(headers: Optional[Dict[str, str]], retries: int, backoff: float) -> tuple:
+    headers_key = tuple(sorted(headers.items())) if headers else ()
+    return headers_key, retries, backoff
+
+
+def get_open_meteo_session(
+    headers: Optional[Dict[str, str]] = None,
+    retries: int = 3,
+    backoff: float = 0.8,
+) -> requests.Session:
+    key = _session_key(headers, retries, backoff)
+    if key in _SESSION_CACHE:
+        return _SESSION_CACHE[key]
+
+    retry = Retry(
+        total=retries,
+        connect=retries,
+        read=retries,
+        status=retries,
+        status_forcelist=(429, 500, 502, 503, 504),
+        allowed_methods=frozenset(["GET"]),
+        backoff_factor=backoff,
+        raise_on_status=False,
+        respect_retry_after_header=True,
+    )
+    adapter = HTTPAdapter(max_retries=retry)
+    session = requests.Session()
+    session.mount("https://", adapter)
+    session.mount("http://", adapter)
+    if headers:
+        session.headers.update(headers)
+
+    _SESSION_CACHE[key] = session
+    return session
+
+
+def configure_open_meteo_session(
+    session: requests.Session,
+    headers: Optional[Dict[str, str]] = None,
+    retries: int = 3,
+    backoff: float = 0.8,
+) -> requests.Session:
+    retry = Retry(
+        total=retries,
+        connect=retries,
+        read=retries,
+        status=retries,
+        status_forcelist=(429, 500, 502, 503, 504),
+        allowed_methods=frozenset(["GET"]),
+        backoff_factor=backoff,
+        raise_on_status=False,
+        respect_retry_after_header=True,
+    )
+    adapter = HTTPAdapter(max_retries=retry)
+    session.mount("https://", adapter)
+    session.mount("http://", adapter)
+    if headers:
+        session.headers.update(headers)
+    return session
+
+
+def open_meteo_get(
+    url: str,
+    params: Optional[Dict] = None,
+    headers: Optional[Dict[str, str]] = None,
+    timeout: Tuple[int, int] = DEFAULT_TIMEOUT,
+    retries: int = 3,
+    backoff: float = 0.8,
+) -> requests.Response:
+    session = get_open_meteo_session(headers=headers, retries=retries, backoff=backoff)
+    return session.get(url, params=params, timeout=timeout)