Deletes old bot Slack messages using slack_cleaner2

slack_cleaner.py

# Deletes old bot Slack messages using slack_cleaner2
# https://github.com/sgratzl/slack-cleaner
# Usage:
# 1. Install slack_cleaner2 and Arrow
# 2. Run with token as CLI arg. E.g. `python slack_cleaner.py <token xoxp-...>`

import arrow
import time
import sys
from slack_cleaner2 import *

date_max = arrow.now().shift(days=-7).floor('day')
date_format = 'DD/MM/YYYY'

token = str(sys.argv[1])
s = SlackCleaner(token)
# list of all kind of channels
convs = s.conversations

# delete all messages in -bot channels
channels = list(filter(match('.*-bot'), convs))
print(f'Deleting bot messages before {date_max.format(date_format)} from channels: {channels}')

messages = s.msgs(
    channels=channels,
    before=date_max.timestamp
)

for msg in messages:
    if msg.bot:
        # date = arrow.get(msg.ts).to('local')
        # print(f'Deleting {msg.user or "bot"} message dated {date}')
        msg.delete()
        time.sleep(1)