rasam 0.5.2

Rasa Improved

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rasam

Rasa Improved

Usage

Installation

pip install rasam

Rasa config.yml

importers:
  - name: rasam.PlaceholderImporter
    fake_data_count: 10  # default value is 1

pipeline:
  - name: rasam.RegexEntityExtractor
  - name: rasam.URLEntityExtractor

Rasa nlu.yml

PlaceholderImporter

The PlaceholderImporter removes the need to write unnecessary information (eg. name, address, numbers, etc.) and helps focus on writing test data.

Using {} placeholder

nlu:
- intent: tell_name
  examples: |
    - My name is {name}
    - I am {name} and he is {name}

Using @ placeholder

nlu:
- intent: tell_address
  examples: |
    - I live in @address
    - I stay at @address and @address

Mixing {} and @ placeholders

It is possible to mix both {} and @ placeholders but it is recommended to use only one style for consistency.

Available placeholders

• any (if you need just any data)
• integer
• decimal
• number
• name
• first_name
• last_name
• text
• word
• paragraph
• uri
• url
• local_uri
• email
• date
• time
• month
• day
• timezone
• company
• license_plate
• address
• city
• country
• user_agent
• password
• user_name
• file_path

Rasam decorators

Rasa relies too heavily on classes to define objects like actions, forms, etc. Rasam aims to remove these Rasa boilerplates to make writing chatbots easier.

@action decorator

The @action decorator converts function into an Action class. Here is an example of how we can write custom classes in Rasa:

class ActionHelloWorld(Action):

    def name(self) -> Text:
        return "action_hello_world"

    def run(self, dispatcher: CollectingDispatcher,
            tracker: Tracker,
            domain: Dict[Text, Any]) -> List[Dict[Text, Any]]:

        dispatcher.utter_message(text="Hello World!")

        return []

The above code can be simplified using Rasam's @action decorator.

from rasam import action


@action
def action_hello_world(
    self: Action, dispatcher: CollectingDispatcher, tracker: Tracker, domain: Dict[Text, Any]
) -> List[Dict[Text, Any]]:
    dispatcher.utter_message(text="Hello World!")
    return []

Author

• Ronie Martinez