import datetime

import participants.query_db

participants_inactive_usernames = participants.query_db.get_usernames(
    tester=False,  # True participants are wanted.
    active=False,  # They have all finished their participation.
    collection_start=datetime.date.fromisoformat(
        "2020-08-01"
    ),  # This is the timeframe of the main study.
    last_upload=datetime.date.fromisoformat("2021-09-01"),
)

print(participants_inactive_usernames.__len__())