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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import json
import os
import subprocess
import tempfile
from defence360agent.contracts.config import Core
from defence360agent.hooks import native as native_hooks
from defence360agent.internals.logger import EventHookLogger
from defence360agent.model.event_hook import EventHook
from defence360agent.model.instance import db
from defence360agent.utils import run, snake_case
event_hook_logger = EventHookLogger()
def get_hooks(event):
# if database is not available (i.e. direct RPC call), do not try to
# load hooks
if db.deferred:
return []
hooks = EventHook.select().where(EventHook.event == event)
return list(hooks)
async def execute_hook(path, data, native=False):
try:
if native:
native_hooks.execute_hook(path, data)
exit_code, err = 0, None
else:
data = json.dumps(data).encode()
cwd = os.path.dirname(path)
exit_code, _, err = await run(
path, shell=True, input=data, cwd=cwd
)
except Exception as e:
exit_code, err = None, repr(e)
return exit_code, err
async def execute_hooks(event, tempdir=Core.TMPDIR):
dump = event.get("DUMP")
params = dict(event)
hooks = get_hooks(event.event)
if not hooks:
return
with event_hook_logger(event.event, event.subtype) as event_logger:
if dump:
prefix = snake_case(event.__class__.__name__) + "_"
tmp = tempfile.NamedTemporaryFile(
mode="w+", prefix=prefix, suffix=".json", dir=tempdir
)
json.dump(dump, tmp)
tmp.flush()
os.fsync(tmp.fileno())
params["tmp_filename"] = tmp.name
data = {
"event": event.event,
"subtype": event.subtype,
"params": params,
}
for hook in hooks:
with event_logger(hook.path, native=hook.native) as hook_logger:
hook_logger.begin()
exit_code, err = await execute_hook(
hook.path, data, native=hook.native
)
hook_logger.finish(exit_code, err)