Use actions auth session get/set for sessions

src/odoo_client.py

@@ -1,23 +1,48 @@
-import os
+import subprocess
 import requests
 import random
 from typing import Any, TypeVar
+from urllib.parse import urlparse
 from model import OdooModel
 
 
 T = TypeVar("T", bound=OdooModel)
 
 
+def _get_odoo_session_id() -> str:
+    result = subprocess.run(
+        ["actions", "auth", "session", "get", "odoo"],
+        capture_output=True,
+        text=True,
+    )
+    lines = result.stdout.splitlines()
+    if len(lines) > 1:
+        lines = lines[1:]
+    session_id = lines[0].strip() if lines else ""
+    if not session_id:
+        raise Exception(
+            "Failed to retrieve odoo session_id via `actions auth session get odoo`"
+        )
+    return session_id
+
+
+def _set_odoo_session_id(session_id: str) -> None:
+    subprocess.run(
+        ["actions", "auth", "session", "set", "odoo", session_id],
+        capture_output=True,
+        text=True,
+    )
+
+
 class OdooClient:
     def __init__(self):
         self.base_url = "https://www.odoo.com"
+        self._domain = urlparse(self.base_url).hostname
         self.session = requests.Session()
-        if session_id := os.getenv("ODOO_SESSION_ID"):
-            self.session.cookies.set("session_id", session_id)
-        else:
-            raise Exception("ODOO_SESSION_ID is not set")
-        self.session.cookies.set("cids", "1")
-        self.session.cookies.set("frontend_lang", "en_US")
+        self._session_id = _get_odoo_session_id()
+        self.session.cookies.set("session_id", self._session_id, domain=self._domain)
+        self.session.cookies.set("cids", "1", domain=self._domain)
+        self.session.cookies.set("frontend_lang", "en_US", domain=self._domain)
 
     def rpc(
         self, model: str, method: str, *args: Any, **kwargs: Any
@@ -39,6 +64,14 @@ class OdooClient:
             json=body,
         )
         response.raise_for_status()
+
+        new_session_id = self.session.cookies.get(
+            "session_id", domain=self._domain
+        )
+        if new_session_id and new_session_id != self._session_id:
+            _set_odoo_session_id(new_session_id)
+            self._session_id = new_session_id
+
         return response
 
     def web_search_read(