From 0b3b2a1af2744e65192048a744468ee01845aa22 Mon Sep 17 00:00:00 2001
From: Sam Lock <sam@swlock.co.uk>
Date: Thu, 19 Dec 2024 10:46:26 +0000
Subject: [PATCH] omit check_request params with None values

Signed-off-by: Sam Lock <sam@swlock.co.uk>
---
 cerbos/sdk/_async/_http.py | 6 +++++-
 cerbos/sdk/_sync/_http.py  | 6 +++++-
 cerbos/sdk/model.py        | 6 ++++--
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/cerbos/sdk/_async/_http.py b/cerbos/sdk/_async/_http.py
index 3de54c7..a320c00 100644
--- a/cerbos/sdk/_async/_http.py
+++ b/cerbos/sdk/_async/_http.py
@@ -196,7 +196,11 @@ async def check_resources(
             resources=resources.resources,
             aux_data=aux_data,
         )
-        resp = await self._http.post("/api/check/resources", json=req.to_dict())
+
+        # omit keys with `None` values
+        req_params = {k: v for k, v in req.to_dict().items() if v is not None}
+
+        resp = await self._http.post("/api/check/resources", json=req_params)
         if resp.is_error:
             if self._raise_on_error:
                 raise CerbosRequestException(APIError.from_dict(resp.json()))
diff --git a/cerbos/sdk/_sync/_http.py b/cerbos/sdk/_sync/_http.py
index 5b3948a..da8886a 100644
--- a/cerbos/sdk/_sync/_http.py
+++ b/cerbos/sdk/_sync/_http.py
@@ -196,7 +196,11 @@ def check_resources(
             resources=resources.resources,
             aux_data=aux_data,
         )
-        resp = self._http.post("/api/check/resources", json=req.to_dict())
+
+        # omit keys with `None` values
+        req_params = {k: v for k, v in req.to_dict().items() if v is not None}
+
+        resp = self._http.post("/api/check/resources", json=req_params)
         if resp.is_error:
             if self._raise_on_error:
                 raise CerbosRequestException(APIError.from_dict(resp.json()))
diff --git a/cerbos/sdk/model.py b/cerbos/sdk/model.py
index db6ff52..2d8211e 100644
--- a/cerbos/sdk/model.py
+++ b/cerbos/sdk/model.py
@@ -272,7 +272,9 @@ def __init__(self, error: Optional[APIError]):
         self.error = error
 
 
-class CerbosTLSError(Exception): ...
+class CerbosTLSError(Exception):
+    ...
 
 
-class CerbosTypeError(Exception): ...
+class CerbosTypeError(Exception):
+    ...