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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from tuned.utils.plugin_loader import PluginLoader
from . import base
import tuned.logs
import tuned.consts as consts
from tuned.utils.commands import commands
log = tuned.logs.get()
class Repository(PluginLoader):
def __init__(self):
super(Repository, self).__init__()
self._functions = {}
@property
def functions(self):
return self._functions
def _set_loader_parameters(self):
self._namespace = "tuned.profiles.functions"
self._prefix = consts.FUNCTION_PREFIX
self._interface = tuned.profiles.functions.base.Function
def create(self, function_name):
log.debug("creating function %s" % function_name)
function_cls = self.load_plugin(function_name)
function_instance = function_cls()
self._functions[function_name] = function_instance
return function_instance
# loads function from plugin file and return it
# if it is already loaded, just return it, it is not loaded again
def load_func(self, function_name):
if not function_name in self._functions:
return self.create(function_name)
return self._functions[function_name]
def delete(self, function):
assert isinstance(function, self._interface)
log.debug("removing function %s" % function)
for k, v in list(self._functions.items()):
if v == function:
del self._functions[k]