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read redis config from environment

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This commit is contained in:
James Turk 2020-10-12 16:30:32 -04:00
parent 4d5b4b8346
commit 5844268ebe
2 changed files with 11 additions and 4 deletions
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10
ratelimit.py
View File

@ -1,3 +1,4 @@
import os
from redis import Redis from redis import Redis
import datetime import datetime
import typing import typing
@ -16,6 +17,13 @@ class RateLimitExceeded(Exception):
pass pass
def _get_redis_connection():
host = os.environ.get("RRL_REDIS_HOST", "localhost")
port = os.environ.get("RRL_REDIS_PORT", 6379)
db = os.environ.get("RRL_REDIS_DB", 0)
return Redis(host=host, port=port, db=db)
class RateLimiter: class RateLimiter:
""" """
<zone>:<key>:<hour><minute> expires in 2 minutes <zone>:<key>:<hour><minute> expires in 2 minutes
@ -24,7 +32,7 @@ class RateLimiter:
""" """
def __init__(self, tiers: typing.List[Tier], *, prefix="", use_redis_time=True): def __init__(self, tiers: typing.List[Tier], *, prefix="", use_redis_time=True):
self.redis = Redis() self.redis = _get_redis_connection()
self.tiers = {tier.name: tier for tier in tiers} self.tiers = {tier.name: tier for tier in tiers}
self.prefix = prefix self.prefix = prefix
self.use_redis_time = use_redis_time self.use_redis_time = use_redis_time

5
test_ratelimit.py
View File

@ -1,9 +1,8 @@
import pytest import pytest
from ratelimit import Tier, RateLimiter, RateLimitExceeded from ratelimit import Tier, RateLimiter, RateLimitExceeded, _get_redis_connection
from freezegun import freeze_time from freezegun import freeze_time
from redis import Redis
redis = Redis() redis = _get_redis_connection()
simple_minute_tier = Tier("10/minute", 10, 0, 0) simple_minute_tier = Tier("10/minute", 10, 0, 0)
simple_hour_tier = Tier("10/hour", 0, 10, 0) simple_hour_tier = Tier("10/hour", 0, 10, 0)
simple_daily_tier = Tier("10/day", 0, 0, 10) simple_daily_tier = Tier("10/day", 0, 0, 10)