mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-28 05:16:48 +08:00
40 lines
1005 B
Python
40 lines
1005 B
Python
from datetime import datetime, timedelta
|
|
|
|
from cachetools import TTLCache as TTLDict
|
|
|
|
from filter import add_filter
|
|
from little_shit import get_target
|
|
from commands import core
|
|
|
|
_freq_count = TTLDict(maxsize=10000, ttl=2 * 60 * 60)
|
|
_max_message_count_per_hour = 120
|
|
|
|
|
|
def _limiter(ctx_msg):
|
|
target = get_target(ctx_msg)
|
|
if target not in _freq_count:
|
|
# First message of this target in 2 hours (_freq_count's ttl)
|
|
_freq_count[target] = (0, datetime.now())
|
|
|
|
count, last_check_dt = _freq_count[target]
|
|
now_dt = datetime.now()
|
|
delta = now_dt - last_check_dt
|
|
|
|
if delta >= timedelta(hours=1):
|
|
count = 0
|
|
last_check_dt = now_dt
|
|
|
|
if count >= _max_message_count_per_hour:
|
|
# Too many messages in this hour
|
|
core.echo('我们聊天太频繁啦，休息一会儿再聊吧～', ctx_msg)
|
|
count = -1
|
|
|
|
if count >= 0:
|
|
count += 1
|
|
|
|
_freq_count[target] = (count, last_check_dt)
|
|
return count >= 0
|
|
|
|
|
|
add_filter(_limiter, 100)
|