Initial code to send message on WhatsApp

Dockerfile

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+FROM python:3.7-slim
+ADD whatsapp.py /whatsapp.py
+RUN pip install --target=/app requests
+RUN pip install twilio
+RUN chmod +x /whatsapp.py
+CMD ["python", "/whatsapp.py"]

action.yml

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+name: "Message to Whatsapp"
+description: "Send message to WhatsApp number via Twillio"
+author: "Zilu Rane"
+branding:
+  icon: message-circle
+  color: green
+
+runs:
+  using: "docker"
+  image: "Dockerfile"

whatsapp.py

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+import os
+from twilio.rest import Client
+
+account_sid = os.environ['account_sid']
+auth_token = os.environ['auth_token']
+from_number = os.environ['from_number']
+to_number = os.environ['to_number']
+message = os.environ['message']
+
+if from_number is None:
+    from_number = '+14155238886'
+
+client = Client(account_sid, auth_token)
+
+message = client.messages.create(
+                              body=message,
+                              from_='whatsapp:'+from_number,
+                              to='whatsapp:'+os.environ['to_number']
+                          )