(20250128) Handling Null in WhatsApp Nimbus's 'msg' field.

utils_v2/whatsapp/nimbus/controllers/async_nimbus_whatsapp.py

@@ -153,7 +153,7 @@ class AsyncNimbusWhatsapp:
     async def send_whatsapp(
             self,
             recipient_number: str | List[str],
-            message: str,
+            message: str = None,
             pdf_url: str = None,
             image_0_url: str = None,
             image_1_url: str = None,
@@ -174,7 +174,7 @@ class AsyncNimbusWhatsapp:
         # Start by constructing the response model:
         send_model = NimbusWhatsappSendMessageResponse(
             recipientNo = recipient_number,
-            message = message,
+            message = message or " ",
             pdfUrl = pdf_url,
             image0Url = image_0_url,
             image1Url = image_1_url,
@@ -217,11 +217,12 @@ if __name__ == "__main__":
 
     async def main():
 
-        sender = AsyncNimbusWhatsapp(api_key = "2c6175138e964ee8a6adc2af8faab726")
+        sender = AsyncNimbusWhatsapp(api_key = "2c6175138e964ee8a6adc2af8faab727")
 
         api_result = await sender.send_whatsapp(
             recipient_number = "919870391155",
-            message = "Test message :)"
+            # message = " ",
+            image_0_url = r"https://cdn.britannica.com/39/226539-050-D21D7721/Portrait-of-a-cat-with-whiskers-visible.jpg"
         )
         print("WHATSAPP API RESULT:", api_result)
         print("WHATSAPP API RESULT:", json.to_string(api_result.model_dump(), default = str))

utils_v2/whatsapp/nimbus/models/send_message_response.py

@@ -99,9 +99,10 @@ class NimbusWhatsappSendMessageResponse(BaseModel):
         frozen = True
     )
 
-    message: str = Field(
+    message: str | None = Field(
         description = "The actual message to send to the recipient(s).",
-        frozen = True
+        frozen = True,
+        default = None
     )
 
     pdfUrl: str | None = Field(
@@ -206,7 +207,7 @@ class NimbusWhatsappSendMessageResponse(BaseModel):
         # Start with the bare minimum:
         api_input = {
             "mobile": ",".join(self.recipientNo),
-            "msg": self.message
+            "msg": self.message or " "
         }
 
         # Add the optional media elements: