select_and_open_note.py

import os
import inquirer

EDITOR = os.environ["EDITOR"]
NOTES_PATH = os.environ["NOTES_PATH"]

questions = [
    inquirer.List(
        "filename",
        message="Select file to edit",
        choices=[
            file
            for file in os.listdir(NOTES_PATH)
            if os.path.isfile(os.path.join(NOTES_PATH, file))
        ],
    ),
]

answers = inquirer.prompt(questions)
os.system(
    "{} {}".format(
        EDITOR,
        os.path.join(NOTES_PATH, answers["filename"])
    )
)