fix(server): serialize error and disable strict_map_key to allow (#117)

uri_captures to be unpacked

kong_pdk/listener.py

@@ -54,7 +54,7 @@ def handle(self, fd, address, *_):
         # can't use socket.makefile here, since it returns a blocking IO
         # msgpack.Unpacker only expects read() but no other semantics to exist
         sockf = WrapSocket(fd)
-        unpacker = msgpack.Unpacker(sockf)
+        unpacker = msgpack.Unpacker(sockf, strict_map_key=False)
 
         for _, msgid, method, args in unpacker:
             ns, cmd = method.split(".")

kong_pdk/pdk/__init__.py

@@ -24,6 +24,13 @@ def __getattr__(self, k):
 
 def rpc_of(ch, lua_style):
     def f(m, *a):
+        # sanitize non-serializable objects
+        if m == "kong.log" or m.startswith("kong.log."):
+            a = list(a)
+            for i in range(len(a)):
+                if type(a[i]) not in (str, int, list, dict):
+                    a[i] = str(a[i])
+
         ch.put({
             "Method": m,
             "Args": a,