from __future__ import print_function
import os
import time

import redis


red = redis.StrictRedis(password=os.environ['AUTH'])

query_key_pattern = '*:echo:seen:*'

cond_key = ':echo:seen:'
cond_ttl=-1
# cond_value='s:14:"19700101000001";'

checked = 0
printed = 0
deleted = 0

for key in red.scan_iter(match=query_key_pattern, count=1000):
	if not cond_key in key:
		print('F', end='')
		continue

	checked += 1
	if checked > 1000:
		time.sleep(0.100)
		checked = 0

	if red.ttl(key) == cond_ttl:
		red.delete(key)
		deleted += 1
		printed += 1
		if (printed > 80):
			print('.. deleted ' + str(deleted) + ' sofar')
			printed = 0