Add InspirationPlugin to examples/inspiration_plugin.py and allow extra fields in BasePlugin's Config

examples/inspiration_plugin.py

@@ -0,0 +1,37 @@
+import random
+from _context import simplemind as sm
+
+
+class InspirationPlugin(sm.BasePlugin):
+    # Define inspirations as a class variable
+    inspirations: list[str] = [
+        "The only limit to our realization of tomorrow is our doubts of today.",
+        "Imagine beyond the edges of what you know.",
+        "What if the stars could speak? What stories would they tell?",
+        "Creativity is intelligence having fun.",
+        "Think not only with your mind but with your heart.",
+        "Let every answer be a doorway to another question.",
+        "The universe is in constant dialogue with those who listen.",
+    ]
+
+    def __init__(self):
+        super().__init__()  # Make sure to call parent class's __init__
+
+    def get_inspiration(self):
+        # Randomly select an inspirational quote or prompt
+        return random.choice(self.inspirations)
+
+    def pre_send_hook(self, conversation: sm.Conversation):
+        # Inject an inspirational message as a system prompt
+        inspiration = self.get_inspiration()
+        conversation.add_message(role="system", text=inspiration)
+
+
+# Create a conversation and add the plugin
+conversation = sm.create_conversation(llm_model="gpt-4o-mini", llm_provider="openai")
+conversation.add_plugin(InspirationPlugin())
+
+# Add a user message and send the conversation
+conversation.add_message(role="user", text="Tell me something inspiring.")
+response = conversation.send()
+print(response)

simplemind/models.py

@@ -28,6 +28,9 @@ class BasePlugin(SMBaseModel):
     # Plugin metadata.
     meta: Dict[str, Any] = {}
 
+    class Config:
+        extra = "allow"
+
     def initialize_hook(self, conversation: "Conversation") -> Any:
         """Initialize a hook for the plugin."""
         raise NotImplementedError