Switch Homestay HTTP client to curl_cffi to bypass Cloudflare TLS fingerprinting

pyproject.toml

@@ -10,6 +10,7 @@ dependencies = [
   "aiosqlite>=0.22.1",
   "caldav",
   "httpx>=0.27",
+  "curl-cffi>=0.7",
   "icalendar",
 ]
 

room_cal/service_api/_homestay.py

@@ -3,7 +3,7 @@ import logging
 import os
 from datetime import date, timedelta
 
-import httpx
+from curl_cffi.requests import AsyncSession
 
 from room_cal._utils import data_home, get_config, read_env
 from .credentials import is_stale, mark_stale
@@ -59,17 +59,18 @@ class _HomestayClient:
       h.update(extra)
     return h
 
-  def _check_auth(self, r: httpx.Response) -> None:
-    if r.status_code in (401, 403) or r.is_redirect:
+  def _check_auth(self, r) -> None:
+    if r.status_code in (401, 403) or 300 <= r.status_code < 400:
       mark_stale('homestay')
       raise HomestayAuthError(f'Homestay session expired — run: {_AUTH_HINT}')
 
   async def _fetch_calendar(self) -> dict:
-    async with httpx.AsyncClient(follow_redirects=False) as client:
+    async with AsyncSession(impersonate='chrome116') as client:
       r = await client.get(
         f'{_BASE}/homestay_rooms/calendar',
         params={'room_id': self._room_id},
         headers=self._headers(),
+        allow_redirects=False,
       )
     self._check_auth(r)
     if r.status_code >= 400:
@@ -175,8 +176,8 @@ class _HomestayClient:
       **fields,
       'commit': 'Save Details',
     }
-    async with httpx.AsyncClient(follow_redirects=False) as client:
-      r = await client.post(f'{_BASE}{path}', data=body, headers=self._headers())
+    async with AsyncSession(impersonate='chrome116') as client:
+      r = await client.post(f'{_BASE}{path}', data=body, headers=self._headers(), allow_redirects=False)
     self._check_auth(r)
     if r.status_code >= 400:
       mark_stale('homestay')

uv.lock

@@ -282,6 +282,39 @@ wheels = [
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 ]
 
+[[package]]
+name = "curl-cffi"
+version = "0.15.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "certifi" },
+    { name = "cffi" },
+    { name = "rich" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/48/5b/89fcfebd3e5e85134147ac99e9f2b2271165fd4d71984fc65da5f17819b7/curl_cffi-0.15.0.tar.gz", hash = "sha256:ea0c67652bf6893d34ee0f82c944f37e488f6147e9421bef1771cc6545b02ded", size = 196437, upload-time = "2026-04-03T11:12:31.525Z" }
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+]
+
 [[package]]
 name = "cyclopts"
 version = "4.18.0"
@@ -1243,6 +1276,7 @@ source = { editable = "." }
 dependencies = [
     { name = "aiosqlite" },
     { name = "caldav" },
+    { name = "curl-cffi" },
     { name = "httpx" },
     { name = "icalendar" },
 ]
@@ -1268,6 +1302,7 @@ mcp = [
 requires-dist = [
     { name = "aiosqlite", specifier = ">=0.22.1" },
     { name = "caldav" },
+    { name = "curl-cffi", specifier = ">=0.7" },
     { name = "httpx", specifier = ">=0.27" },
     { name = "icalendar" },
 ]