1.0.5

• Download chatterbot-corpus directly from GitHub #1637
• Use chatterbot-corpus to train PunktSentenceTokenizer #1638
• Add pytz to requirements.txt #1670

1.0.4

• Add Traditional Chinese and Simplified Chinese to languages #1636

1.0.3

• Use statement model attributes when saving #1603
• Allow values from input to be persisted to the generated response #1604
• Allow in_response_to from input to override lookup #1606
• Use serialized input statement in learn_response #1607
• Generate search_text before searching #1608

1.0.2

• Change where / how hashing is done for statements #1596
• Remove utility method get_greatest_confidence #1597

1.0.1

• Simplify storage adapter model get method #1579

1.0.0

After four alpha releases 1.0 is finally ready.

A huge thanks goes out to everyone who helped to test this version and make improvements.

1.0 Alpha 4

Features

• Separate search process from logic adapters #1543
• Combine logic-adapter features into base class #1545
• Add languages with iso-639 attributes #1548, #1549, #1550
• Allow parameter to be passed in for response filter #1568

Backwards incompatible change

• Drop support for input and output adapters #1563, #1565
• Remove the Twitter trainer #1564

1.0 Alpha 3

Features

• Add bulk-creation methods to storage adapters #1449
• Use parallel processing for Ubuntu Corpus training #1470
• Add exclude_text parameter to filter function #1496
• Add a filter parameter that allows statements to be excluded by word #1510
• Use search_in_response_to value for selecting response statements #1494
• Add a persona_not_startswith option to storage filters #1505
• Add filter option for search_text_contains #1523
• Use tagged text to search for statement matches #1452 #1531

Improvements

• Filter out 'bot:' statements from possible responses #1445
• Reduced the time complexity of ChatterBot corpus trainer #1443

Backwards incompatible changes

• Make tag names unique #1484 #1532
• Remove parsing.hashnum function #1440
• Make get_response_statements methods into lazy-loading generators #1448
• Switch filter method to a generator with page_size parameter #1506
• Replace get_response_statements method with filter method #1507

1.0 Alpha 2

Bug fixes

• Implement skipped comparison tests (fix issues found as a result) #1436

Features

• Add tests for filtering statements by their tags #1191
• Add a common module for code shared between input and output adapters #1425
• Add a persona filed to statements to track the speaker #1431

Backwards incompatible changes

• Use the ChatBot logger when training #1424
• Remove the set_chatbot method from input adapters, output adapters, and logic adapters #1427
• The Statement object no longer accepts a text string as a positional argument, instead it should be passed in as a named argument e.g. Statement(text='example'). #1433
• The get_response( methods now can accept kwargs for an input item, for example: get_response('Hello', conversation='greetings'). #1433
• The VariableInputTypeAdapter is now just called InputAdapter (similar to how the OutputAdapter is set up). #1433

1.0 Alpha 1

This is the initial (alpha) release of ChatterBot 1.0. There is a large number of improvements in this release and there are many changes that are not backwards compatible.

Features

• Unit conversion adapter (a huge thanks to @manoelrui) #1300
• Add a created_at time to statements #1393 #1394
• Add create method to storage adapters #1400

Maintenance

• Remove dependency on factory-boy #1389
• Add CONVERSATION_LABEL_MAX_LENGTH constant #1392
• Log Django test output to stdout #1395

Backwards incompatible changes

• Require chatbot parameter for training classes #1330
• Combine Django API view with example view #1322
• Drop support for Django 1.8 and add support for 2.0 #1338
• Remove database parameter from storage adapters in favor of database_uri #1325
• Dropping support for Python 2.7 #1332
• Remove modules included in Python 3 from dev-requirements.txt #1369
• Allow multiple order_by values to be passed to filter method #1396
• Replace SQLStorageAdapter.create with SQLStorageAdapter.create_database #1397
• Remove Conversation and Response objects to simplify data representations #1391
• Replace the extra_data attribute with tags #1402
• process_response no longer takes a conversation parameter #1404
• Move get_statement method to storage adapter to match mongo adapter #1405
• Remove conversation parameter from the get_response and process_input methods #1413
• Merge the MultiAdapter code into the ChatBot class #1418
• Remove set_trainer method and trainer attribute from the ChatBot class #1420