slackDeclutter

slackDeclutter.py

from slack_sdk import WebClient
from datetime import datetime, timedelta, timezone
# from IPython.display import clear_output
import time, pytz, re

USER_TOKEN = "xoxp-....." # Enter your user token here
PERIOD_AGO = 1 # How many hours/minutes/seconds 'ago' do you want to delete?
CHANNEL_NAME = 'upwork-jobs' # Change this to your channel name
SLEEP_TIME = 5 # Set this up with any number you wish, to prevent API throttling

client = WebClient(token=USER_TOKEN) # user_token hidden for seruciry

# Get Channel ID
for channel in client.conversations_list().data['channels']:
    if channel['name'] == CHANNEL_NAME:
        channel_id = channel['id']

# Delete 10,000 conversations backwards (200 x 50)
try:
    for x in range(50):
        res = client.conversations_history(
            channel=channel_id, limit=200, 
            oldest = 0, 
            latest=str(
                (datetime.now(tz=pytz.timezone('Africa/Lagos')) - timedelta(hours=PERIOD_AGO)).timestamp()))
                # you can change the hours argument to minutes, or seconds, depending on your need
                # Also change the timezone to anything you need
                # A list of timezones is available if you run pytz.all_timezones or pytz.common_timezones
        if len(res.data['messages'])==0: # exit if there are no more messages
            print('All data deleted')
            break
        for n, message in enumerate(res.data['messages'][::-1]): # reverse message order: select from earliest
            # Uncomment lines 3, 34, 35, 36, 39 and 40, if you're using IPython and want more verbose output
            # print(f"link: {re.search('<(.*)?source', message['text']).group(1)[:-1]}")
            # if n % 20 == 0:
            #     clear_output(wait=True)
            client.chat_delete(channel=channel_id, ts=message['ts'])
        time.sleep(SLEEP_TIME)
        # clear_output(wait=True)
        # print(f"Part {x}")
except (IndexError, OSError) as err:
    print(err)

Guide for this gist is here