initial commit

api/app/http_client.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+import httpx
+
+_client: httpx.AsyncClient | None = None
+
+
+async def init_http_client() -> None:
+    global _client
+    _client = httpx.AsyncClient(
+        timeout=httpx.Timeout(20.0, connect=5.0),
+        follow_redirects=True,
+        limits=httpx.Limits(max_connections=40, max_keepalive_connections=20),
+    )
+
+
+async def close_http_client() -> None:
+    global _client
+    if _client is not None:
+        await _client.aclose()
+        _client = None
+
+
+def get_client() -> httpx.AsyncClient:
+    if _client is None:
+        raise RuntimeError("HTTP client not initialized")
+    return _client
+
+
+async def fetch_json(url: str, params: dict | None = None, timeout: float | None = None) -> dict:
+    client = get_client()
+    response = await client.get(url, params=params, timeout=timeout)
+    response.raise_for_status()
+    return response.json()
+
+
+async def fetch_text(url: str, timeout: float | None = None) -> str:
+    client = get_client()
+    response = await client.get(url, timeout=timeout)
+    response.raise_for_status()
+    return response.text