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

0.8.7

Just some Python Packaging updates in this one folks.

0.8.6

Bug fixes

• Correct recognition of AM and PM in datetimes #1289

Small features

• Make it simpler to override system logic adapters #1296

0.8.5

Bug fixes

• Include character lengths for SQL Alchemy models #1200
• Fix storage methods for getting the latest response #1192

Testing

• Remove untested __statement_filter method in SQL Storage Adapter #1194
• Convert benchmark tests into unit tests #1185

0.8.4

Features

• Allow a list of options to be passed to the low confidence adapter #1178
• Use preprocessors during training #1181

Testing

• Use native nose exclude instead of plugin #1180
• Don't display training progress bars while tests are running #1183

0.8.3

Bug fixes

• Fix logic adapter kwargs #1174

Testing

• Update python and requirement test versions #1164

Deprecation

• Remove features marked as deprecated #1175

0.8.2

Features

• The time logic adapter can now take positive and negative parameters for custom data #1121

Not features

• Replace corpus folder with a file #1153
• Replace conversation folder with a single file #1154

Improvements

• Remove unused jsondatabase requirement from requirements.txt #1156
• Update SQL Alchemy minimum version to 1.2 #1155

Documentation

• Doc config updates #1118

Testing

• Remove makefile and add tox command documentation #1119

0.8.1

Bug fixes

• Fix sqlite 8-bit bytestrings with unicode coercion #1099

Documentation

• Add newsletter signup for to documentation page #1098
• Documentation updates #1096

0.8.0

Breaking changes

• Replace ChatterBot's "sessions" with "Conversations" #828
• Use lowercase table names for SQL Alchemy tables 1c81c51
• The JSON file storage adapter has been removed #1004

Enhancements

• Add tags attribute to models #906
• Move SQL Alchemy models out of storage adapter #910
• Add sqlite pragma settings to sql_storage.py #916
• Increase max_length of Django Statement model text field to 400 characters #937
• Increase max_length of Django Statement model text field to 400 characters #937
• Allow any database model to be used by specifying it a parameter for the model #1001
• Move relational fields out of abstract base models #1010
• Use improved mathparse library for math evaluation logic adapter #1018
• Add tagging when training with SQL storage #1021

Bug fixes

• Use JSON "dump" instead of "dumps" #915
• Change distinct to aggregate in mongodb.py #916
• Don't append .db to sql database name #933
• Allow Django model extra_data field to be blank #941

Documentation

• Briefly document using Django and MongoDB together #938
• Add some information about how ChatterBot learns to the FAQ #938
• Document default kwarg values for ChatBot class #947