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README.md

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Adapt Intent Parser

The Adapt Intent Parser is a flexible and extensible intent definition and determination framework. It is intended to parse natural language text into a structured intent that can then be invoked programatically.

Introducing the Adapt Intent Parser

Getting Started

To take a dependency on Adapt, it's recommended to use virtualenv and pip to install source from github.

$ virtualenv myvirtualenv
$ . myvirtualenv/bin/activate
$ pip install -e git+https://github.com/mycroftai/adapt#egg=adapt-parser

Examples

Executable examples can be found in the examples folder.

Intent Modelling

In this context, an Intent is an action the system should perform. In the context of Pandora, we’ll define two actions: List Stations, and Select Station (aka start playback)

With the Adapt intent builder:

list_stations_intent = IntentBuilder('pandora:list_stations')\
    .require('Browse Music Command')\
    .build()

For the above, we are describing a “List Stations” intent, which has a single requirement of a “Browse Music Command” entity.

play_music_command = IntentBuilder('pandora:select_station')\
    .require('Listen Command')\
    .require('Pandora Station')\
    .optionally('Music Keyword')\
    .build()

For the above, we are describing a “Select Station” (aka start playback) intent, which requires a “Listen Command” entity, a “Pandora Station”, and optionally a “Music Keyword” entity.

Entities

Entities are a named value. Examples include: Blink 182 is an Artist The Big Bang Theory is a Television Show Play is a Listen Command Song(s) is a Music Keyword

For my Pandora implementation, there is a static set of vocabulary for the Browse Music Command, Listen Command, and Music Keyword (defined by me, a native english speaker and all-around good guy). Pandora Station entities are populated via a "List Stations" API call to Pandora. Here’s what the vocabulary registration looks like.

def register_vocab(entity_type, entity_value):
    pass
    # a tiny bit of code 

def register_pandora_vocab(emitter):
    for v in ["stations"]:
        register_vocab('Browse Music Command', v)

    for v in ["play", "listen", "hear"]:
        register_vocab('Listen Command', v)

    for v in ["music", "radio"]:
        register_vocab('Music Keyword', v)

    for v in ["Pandora"]:
        register_vocab('Plugin Name', v)

    station_name_regex = re.compile(r"(.*) Radio")
    p = get_pandora()
    for station in p.stations:
        m = station_name_regex.match(station.get('stationName'))
        if not m:
            continue
        for match in m.groups():
            register_vocab('Pandora Station', match)

Learn More

Further documentation can be found at https://mycroft-ai.gitbook.io/docs/mycroft-technologies/adapt

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