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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# coding=utf-8
"""
oauthlib.oauth1.rfc5849.errors
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Error used both by OAuth 1 clients and provicers to represent the spec
defined error responses for all four core grant types.
"""
from __future__ import unicode_literals
from oauthlib.common import add_params_to_uri, urlencode
class OAuth1Error(Exception):
error = None
description = ''
def __init__(self, description=None, uri=None, status_code=400,
request=None):
"""
description: A human-readable ASCII [USASCII] text providing
additional information, used to assist the client
developer in understanding the error that occurred.
Values for the "error_description" parameter MUST NOT
include characters outside the set
x20-21 / x23-5B / x5D-7E.
uri: A URI identifying a human-readable web page with information
about the error, used to provide the client developer with
additional information about the error. Values for the
"error_uri" parameter MUST conform to the URI- Reference
syntax, and thus MUST NOT include characters outside the set
x21 / x23-5B / x5D-7E.
state: A CSRF protection value received from the client.
request: Oauthlib Request object
"""
self.description = description or self.description
message = '(%s) %s' % (self.error, self.description)
if request:
message += ' ' + repr(request)
super(OAuth1Error, self).__init__(message)
self.uri = uri
self.status_code = status_code
def in_uri(self, uri):
return add_params_to_uri(uri, self.twotuples)
@property
def twotuples(self):
error = [('error', self.error)]
if self.description:
error.append(('error_description', self.description))
if self.uri:
error.append(('error_uri', self.uri))
return error
@property
def urlencoded(self):
return urlencode(self.twotuples)
class InsecureTransportError(OAuth1Error):
error = 'insecure_transport_protocol'
description = 'Only HTTPS connections are permitted.'
class InvalidSignatureMethodError(OAuth1Error):
error = 'invalid_signature_method'
class InvalidRequestError(OAuth1Error):
error = 'invalid_request'
class InvalidClientError(OAuth1Error):
error = 'invalid_client'