晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //opt/imunify360/venv/lib64/python3.11/site-packages/pip/_vendor/cachecontrol/caches/redis_cache.py
# SPDX-FileCopyrightText: 2015 Eric Larson
#
# SPDX-License-Identifier: Apache-2.0
from __future__ import annotations


from datetime import datetime, timezone
from typing import TYPE_CHECKING

from pip._vendor.cachecontrol.cache import BaseCache

if TYPE_CHECKING:
    from redis import Redis


class RedisCache(BaseCache):
    def __init__(self, conn: Redis[bytes]) -> None:
        self.conn = conn

    def get(self, key: str) -> bytes | None:
        return self.conn.get(key)

    def set(
        self, key: str, value: bytes, expires: int | datetime | None = None
    ) -> None:
        if not expires:
            self.conn.set(key, value)
        elif isinstance(expires, datetime):
            now_utc = datetime.now(timezone.utc)
            if expires.tzinfo is None:
                now_utc = now_utc.replace(tzinfo=None)
            delta = expires - now_utc
            self.conn.setex(key, int(delta.total_seconds()), value)
        else:
            self.conn.setex(key, expires, value)

    def delete(self, key: str) -> None:
        self.conn.delete(key)

    def clear(self) -> None:
        """Helper for clearing all the keys in a database. Use with
        caution!"""
        for key in self.conn.keys():
            self.conn.delete(key)

    def close(self) -> None:
        """Redis uses connection pooling, no need to close the connection."""
        pass

haha - 2025