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Machine learning based dialogue engine for conversational software.

Project description

Rasa Python-SDK

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Python SDK for the development of custom actions for Rasa Core.


To install the SDK run

pip install rasa_core_sdk


SDK version compatible Rasa Core version
0.12.x >=0.12.x
0.11.x 0.11.x
not comatible <=0.10.x


Detailed instructions can be found in the Rasa Core Documentation about Custom Actions.



In order to start an action server using implemented custom actions, you can use the available Docker image rasa/rasa_core_sdk:latest.

Before starting the action server ensure that the folder containing your actions is handled as Python module and therefore has to contain a file called

Then start the action server using:

docker run -p 5055:5055 --mount type=bind,source=<ABSOLUTE_PATH_TO_YOUR_ACTIONS>,target=/app/actions \

The action server is then avaible at http://localhost:5055/webhook.

Custom Dependencies

To add custom dependencies you enhance the given Docker image, e.g.:

FROM rasa/rasa_core_sdk:latest

# To install system dependencies
RUN apt-get update -qq && \
    apt-get install -y <NAME_OF_REQUIRED_PACKAGE> && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

# To install packages from PyPI
RUN pip install --no-cache-dir <A_REQUIRED_PACKAGE_ON_PYPI> 


Licensed under the Apache License, Version 2.0. Copyright 2018 Rasa Technologies GmbH. Copy of the license.

A list of the Licenses of the dependencies of the project can be found at the bottom of the Libraries Summary.

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