The Home Assistant Intent Language parser
Project description
HassIL
The Home Assistant Intent Language (HassIL) parser for intents.
Dependencies
- antlr4-python3-runtime
- PyYAML
- dataclasses-json
Installation
Run the script/setup script to automatically create a virtual environment and install the requirements.
Running
python3 -m hassil <yaml_file_or_directory> [<yaml_file_or_directory> ...]
Once loaded, you may type in a sentence and see what intent it matches. For example:
python3 -m hassil examples/en.yaml --areas 'living room'
what is the temperature in the living room
{'intent': 'HassClimateGetTemperature', 'area': 'living room', 'domain': 'climate'}
Make sure to provide area names with --areas. Device or entity names can be provided with --names.
python3 -m hassil examples/en.yaml --areas office --names trapdoor
open the trapdoor in the office
{'intent': 'HassOpenCover', 'name': 'trapdoor', 'area': 'office'}
Sampling Sentences
Sentences for each intent can be sampled from the intent YAML files:
python3 -m hassil.sample examples/en.yaml -n 1
{"intent": "HassTurnOn", "text": "turn on the entity"}
{"intent": "HassTurnOff", "text": "turn off the entity"}
{"intent": "HassOpenCover", "text": "open the entity in the area"}
{"intent": "HassCloseCover", "text": "close the entity in the area"}
{"intent": "HassLightsSet", "text": "set the entity color to red"}
{"intent": "HassClimateSetTemperature", "text": "set temperature to 0 degrees in the area"}
{"intent": "HassClimateGetTemperature", "text": "what is the temperature in the area"}
The --areas and --names arguments are the same from python3 -m hassil, but default to generic "area" and "entity" terms.
Exclude the -n argument to sample all possible sentences.
Sentence Templates
Parsed using a custom ANTLR grammar (see HassILGrammar.g4).
- Alternative words or phrases
(red | green | blue)turn(s | ed | ing)
- Optional words or phrases
[the][this | that]light[s]
- Slot Lists
{list_name}{list_name:slot_name}- Refers to a pre-defined list of values in YAML (
lists)
- Expansion Rules
<rule_name>- Refers to a pre-defined expansion rule in YAML (
expansion_rules)
YAML Format
language: "<language code>"
intents:
<intent name>:
data:
# List of sentences/slots/etc.
- sentences:
- "<sentence template>"
- "<sentence template>"
# Optional
slots:
# Fixed slots for the recognized intent
<name>: <value>
requires_context:
# Must be present in match context
<name>: <value or list>
excludes_context:
# Must NOT be present in match context
<name>: <value or list>
# Optional lists of items that become alternatives in sentence templates
lists:
# Referenced as {list_name} or {list_name:slot_name}
<list name>:
values:
- "items"
- "in list"
- in: "text in"
out: <value for slot>
# Optional
context:
<name>: <value>
<range_name>
range:
type: "number"
from: 0
to: 100 # inclusive
# Optional rules that are expanded in sentence templates
expansion_rules:
# Referenced as <rule_name>
<rule_name>: "<sentence template>"
# Optional words that the intent recognizer can skip during recognition
skip_words:
- "<word>"
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