Slack usergroup select menu

README.md

python3 -m venv .venv
source .venv/bin/activate
pip install -U pip
pip install -r requirements.txt

export SLACK_BOT_TOKEN=(your own value)
export SLACK_SIGNING_SECRET=(your own value)
python app.py

app.py

import logging
from typing import List

from slack_bolt import App, Ack
from slack_sdk import WebClient
from slack_sdk.errors import SlackApiError

logging.basicConfig(level=logging.DEBUG)
app = App()


@app.command("/hello-bolt-python")
def test_command(body: dict, client: WebClient, ack: Ack, logger: logging.Logger):
    ack()
    try:
        # usergroups:read scope is required
        user_groups: List[dict] = client.usergroups_list()["usergroups"]
        options = [
            {"value": u["id"], "text": {"type": "plain_text", "text": u["name"]}}
            for u in user_groups
        ]
        client.views_open(
            trigger_id=body["trigger_id"],
            view={
                "type": "modal",
                "callback_id": "view-id",
                "title": {"type": "plain_text", "text": "My App"},
                "submit": {"type": "plain_text", "text": "Submit"},
                "blocks": [
                    {
                        "type": "input",
                        "block_id": "b1",
                        "element": {
                            "type": "static_select",
                            "placeholder": {
                                "type": "plain_text",
                                "text": "Select an item",
                            },
                            "options": options,
                            "action_id": "static-select",
                        },
                        "label": {
                            "type": "plain_text",
                            "text": "static select",
                        },
                    },
                    {
                        "type": "input",
                        "block_id": "b2",
                        "element": {
                            "type": "external_select",
                            "placeholder": {
                                "type": "plain_text",
                                "text": "Select an item",
                            },
                            "min_query_length": 0,
                            "action_id": "external-select",
                        },
                        "label": {
                            "type": "plain_text",
                            "text": "external select",
                        },
                    },
                ],
            },
        )
    except SlackApiError as e:
        logger.error(f"Failed to open a modal (error: {e})")


@app.options("external-select")
def load_options(logger: logging.Logger, ack: Ack, client: WebClient):
    try:
        # usergroups:read scope is required
        user_groups: List[dict] = client.usergroups_list()["usergroups"]
        options = [
            {"value": u["id"], "text": {"type": "plain_text", "text": u["name"]}}
            for u in user_groups
        ]
        ack(options=options)
    except SlackApiError as e:
        logger.error(f"Failed to load options (error: {e})")
        ack(options=[])


@app.view("view-id")
def view_submission(ack: Ack, body: dict, logger: logging.Logger):
    logger.info(body)
    ack()


if __name__ == "__main__":
    app.start(3000)

requirements.txt

slack_bolt>=1