Add learning example.

chatterbot/chatterbot.py

@@ -202,7 +202,6 @@ def generate_response(self, input_statement):
 
         # Select a response to the input statement
         confidence, response = self.logic.process(input_statement)
-        self.logger.info(u'Selecting "{}" as response with a confidence of {}'.format(response.text, confidence))
 
         return input_statement, response, confidence
 

examples/learning_feedback_example.py

@@ -0,0 +1,59 @@
+"""
+This example shows how to create a chat bot that
+will learn responses based on an additional feedback
+element from the user.
+"""
+from chatterbot import ChatBot
+import logging
+
+
+# Uncomment the following line to enable verbose logging
+# logging.basicConfig(level=logging.INFO)
+
+# Create a new instance of a ChatBot
+bot = ChatBot('Feedback Learning Bot',
+    storage_adapter='chatterbot.adapters.storage.JsonFileStorageAdapter',
+    logic_adapters=[
+        'chatterbot.adapters.logic.ClosestMatchAdapter'
+    ],
+    input_adapter='chatterbot.adapters.input.TerminalAdapter',
+    output_adapter='chatterbot.adapters.output.TerminalAdapter'
+)
+
+def get_feedback():
+    from chatterbot.utils.read_input import input_function
+
+    text = input_function()
+
+    if 'Yes' in text:
+        return True
+    elif 'No' in text:
+        return False
+    else:
+        print('Please type either "Yes" or "No"')
+        return get_feedback()
+
+print('Type something to begin...')
+
+# The following loop will execute each time the user enters input
+while True:
+    try:
+        input_statement = bot.input.process_input_statement()
+        statement, response, confidence = bot.generate_response(input_statement)
+
+        print('\n Is "{}" this a coherent response to "{}"? \n'.format(response, input_statement))
+
+        if get_feedback():
+            bot.learn_response(response)
+
+        bot.output.process_response(response, confidence)
+
+        # Update the conversation history for the bot
+        # It is important that this happens last, after the learning step
+        bot.recent_statements.append(
+            (statement, response, )
+        )
+
+    # Press ctrl-c or ctrl-d on the keyboard to exit
+    except (KeyboardInterrupt, EOFError, SystemExit):
+        break