Validate mandatory parameters

Author: vduseev

dynatrace/http_client.py

@@ -55,13 +55,6 @@ def __init__(
             base_url = base_url[:-1]
         self.base_url = base_url
 
-        # Persistent session
-        self.session = requests.Session()
-        
-        # Mount the adapter once during initialization
-        self.session.mount("https://", HTTPAdapter(max_retries=self.retries))
-        self.session.mount("http://", HTTPAdapter(max_retries=self.retries))
-
         # Custom headers
         self.headers = headers.copy() if headers else {}
 
@@ -101,6 +94,13 @@ def __init__(
                 raise_on_status=False,
             )
 
+        # Persistent session
+        self.session = requests.Session()
+        
+        # Mount the adapter once during initialization
+        self.session.mount("https://", HTTPAdapter(max_retries=self.retries))
+        self.session.mount("http://", HTTPAdapter(max_retries=self.retries))
+
         # This is for internal dynatrace usage
         self.mc_jsession_id = mc_jsession_id
         self.mc_b925d32c = mc_b925d32c

dynatrace/main.py

@@ -79,6 +79,11 @@ def __init__(
         timeout: Optional[int] = None,
         headers: Optional[Dict] = None,
     ):
+        if not base_url:
+            raise ValueError("base_url is required")
+        if not token:
+            raise ValueError("token is required")
+
         self.__http_client = HttpClient(
             base_url,
             token,