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� �ْSc @ sR d Z d d l Z d d l Z e j e e _ d d l m Z d d l m Z m Z m Z m Z d d l m Z e d e f d � � Y� Z d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d � � YZ d e f d! � � YZ d" e f d# � � YZ d$ e f d% � � YZ d& e f d' � � YZ d( e f d) � � YZ! d* e f d+ � � YZ" d, e f d- � � YZ# d. e f d/ � � YZ$ d0 e f d1 � � YZ% d2 e f d3 � � YZ& d4 e f d5 � � YZ' d6 e f d7 � � YZ( d8 e f d9 � � YZ) d: e f d; � � YZ* d< e f d= � � YZ+ i Z, d g Z- d> � Z. e. � [. d? e/ f d@ � � YZ0 e0 � Z1 e j2 e3 � Z4 d dA l5 m6 Z6 d dB l7 m8 Z8 d S(C s werkzeug.exceptions ~~~~~~~~~~~~~~~~~~~ This module implements a number of Python exceptions you can raise from within your views to trigger a standard non-200 response. Usage Example ------------- :: from werkzeug.wrappers import BaseRequest from werkzeug.wsgi import responder from werkzeug.exceptions import HTTPException, NotFound def view(request): raise NotFound() @responder def application(environ, start_response): request = BaseRequest(environ) try: return view(request) except HTTPException as e: return e As you can see from this example those exceptions are callable WSGI applications. Because of Python 2.4 compatibility those do not extend from the response objects but only from the python exception class. As a matter of fact they are not Werkzeug response objects. However you can get a response object by calling ``get_response()`` on a HTTP exception. Keep in mind that you have to pass an environment to ``get_response()`` because some errors fetch additional information from the WSGI environment. If you want to hook in a different exception page to say, a 404 status code, you can add a second except for a specific subclass of an error:: @responder def application(environ, start_response): request = BaseRequest(environ) try: return view(request) except NotFound, e: return not_found(request) except HTTPException, e: return e :copyright: (c) 2014 by the Werkzeug Team, see AUTHORS for more details. :license: BSD, see LICENSE for more details. i����N( t _get_environ( t iteritemst integer_typest text_typet implements_to_string( t Responset HTTPExceptionc B s� e Z d Z d Z d Z d d d � Z e d d � � Z e d � � Z d d � Z d d � Z d d � Z d d � Z d � Z d � Z d � Z RS( s� Baseclass for all HTTP exceptions. This exception can be called as WSGI application to render a default error page or you can catch the subclasses of it independently and render nicer error messages. c C s2 t j | � | d k r% | | _ n | | _ d S( N( t Exceptiont __init__t Nonet descriptiont response( t selfR R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR U s c s] d � � f � � f d � � Y} t j d � j j d � | _ | pS � j � j | _ | S( sv This method returns a new subclass of the exception provided that also is a subclass of `BadRequest`. t newclsc s e Z d � � f d � Z RS( c s' � j | | | � � j | | � d S( N( R ( R t argt argst kwargs( t clst exception( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR a s N( t __name__t __module__R R ( ( R R ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR ` s i R ( t syst _getframet f_globalst getR R ( R R t nameR ( ( R R sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt wrap[ s " c C s t j | j d � S( s The status name.s Unknown Error( t HTTP_STATUS_CODESR t code( R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR h s c C s d t | j � S( s Get the description.u <p>%s</p>( t escapeR ( R t environ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt get_descriptionm s c C s8 t d i | j d 6t | j � d 6| j | � d 6� S( s Get the HTML body.u{ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <title>%(code)s %(name)s</title> <h1>%(name)s</h1> %(description)s R R R ( R R R R R ( R R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt get_bodyq s c C s d g S( s Get a list of headers.s Content-Types text/html( s Content-Types text/html( ( R R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt get_headers~ s c C s\ | j d k r | j S| d k r1 t | � } n | j | � } t | j | � | j | � S( sh Get a response object. If one was passed to the exception it's returned directly. :param environ: the optional environ for the request. This can be used to modify the response depending on how the request looked like. :return: a :class:`Response` object or a subclass thereof. N( R R R R! R R R ( R R t headers( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt get_response� s c C s | j | � } | | | � S( s� Call the exception as WSGI application. :param environ: the WSGI environment. :param start_response: the response callable provided by the WSGI server. ( R# ( R R t start_responseR ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt __call__� s c C s d | j | j f S( Ns %d: %s( R R ( R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt __str__� s c C s d | j j | f S( Ns <%s '%s'>( t __class__R ( R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt __repr__� s N( R R t __doc__R R R R t classmethodR t propertyR R R R! R# R% R& R( ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR J s t BadRequestc B s e Z d Z d Z d Z RS( s� *400* `Bad Request` Raise if the browser sends something to the application the application or server cannot handle. i� sL The browser (or proxy) sent a request that this server could not understand.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR, � s t ClientDisconnectedc B s e Z d Z RS( s) Internal exception that is raised if Werkzeug detects a disconnected client. Since the client is already gone at that point attempting to send the error message to the client might not work and might ultimately result in another exception in the server. Mainly this is here so that it is silenced by default as far as Werkzeug is concerned. Since disconnections cannot be reliably detected and are unspecified by WSGI to a large extend this might or might not be raised if a client is gone. .. versionadded:: 0.8 ( R R R) ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR- � s t SecurityErrorc B s e Z d Z RS( s� Raised if something triggers a security error. This is otherwise exactly like a bad request error. .. versionadded:: 0.9 ( R R R) ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR. � s t Unauthorizedc B s e Z d Z d Z d Z RS( sv *401* `Unauthorized` Raise if the user is not authorized. Also used if you want to use HTTP basic auth. i� s� The server could not verify that you are authorized to access the URL requested. You either supplied the wrong credentials (e.g. a bad password), or your browser doesn't understand how to supply the credentials required.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR/ � s t Forbiddenc B s e Z d Z d Z d Z RS( s *403* `Forbidden` Raise if the user doesn't have the permission for the requested resource but was authenticated. i� sz You don't have the permission to access the requested resource. It is either read-protected or not readable by the server.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR0 � s t NotFoundc B s e Z d Z d Z d Z RS( sQ *404* `Not Found` Raise if a resource does not exist and never existed. i� sy The requested URL was not found on the server. If you entered the URL manually please check your spelling and try again.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR1 � s t MethodNotAllowedc B s2 e Z d Z d Z d Z d d d � Z d � Z RS( s� *405* `Method Not Allowed` Raise if the server used a method the resource does not handle. For example `POST` if the resource is view only. Especially useful for REST. The first argument for this exception should be a list of allowed methods. Strictly speaking the response would be invalid if you don't provide valid methods in the header which you can do with that list. i� s0 The method is not allowed for the requested URL.c C s t j | | � | | _ d S( sk Takes an optional list of valid http methods starting with werkzeug 0.3 the list will be mandatory.N( R R t valid_methods( R R3 R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR � s c C sA t j | | � } | j r= | j d d j | j � f � n | S( Nt Allows , ( R R! R3 t appendt join( R R R" ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR! s "N( R R R) R R R R R! ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR2 � s t NotAcceptablec B s e Z d Z d Z d Z RS( s� *406* `Not Acceptable` Raise if the server can't return any content conforming to the `Accept` headers of the client. i� s� The resource identified by the request is only capable of generating response entities which have content characteristics not acceptable according to the accept headers sent in the request.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR7 s t RequestTimeoutc B s e Z d Z d Z d Z RS( s? *408* `Request Timeout` Raise to signalize a timeout. i� sq The server closed the network connection because the browser didn't finish the request within the specified time.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR8 s t Conflictc B s e Z d Z d Z d Z RS( s� *409* `Conflict` Raise to signal that a request cannot be completed because it conflicts with the current state on the server. .. versionadded:: 0.7 i� s A conflict happened while processing the request. The resource might have been modified while the request was being processed.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR9 & s t Gonec B s e Z d Z d Z d Z RS( sa *410* `Gone` Raise if a resource existed previously and went away without new location. i� s� The requested URL is no longer available on this server and there is no forwarding address.</p><p>If you followed a link from a foreign page, please contact the author of this page.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR: 5 s t LengthRequiredc B s e Z d Z d Z d Z RS( s� *411* `Length Required` Raise if the browser submitted data but no ``Content-Length`` header which is required for the kind of processing the server does. i� sO A request with this method requires a valid <code>Content-Length</code> header.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR; B s t PreconditionFailedc B s e Z d Z d Z d Z RS( s� *412* `Precondition Failed` Status code used in combination with ``If-Match``, ``If-None-Match``, or ``If-Unmodified-Since``. i� sG The precondition on the request for the URL failed positive evaluation.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR< O s t RequestEntityTooLargec B s e Z d Z d Z d Z RS( s~ *413* `Request Entity Too Large` The status code one should return if the data submitted exceeded a given limit. i� s6 The data value transmitted exceeds the capacity limit.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR= \ s t RequestURITooLargec B s e Z d Z d Z d Z RS( sI *414* `Request URI Too Large` Like *413* but for too long URLs. i� sm The length of the requested URL exceeds the capacity limit for this server. The request cannot be processed.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR> h s t UnsupportedMediaTypec B s e Z d Z d Z d Z RS( s� *415* `Unsupported Media Type` The status code returned if the server is unable to handle the media type the client transmitted. i� sF The server does not support the media type transmitted in the request.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR? t s t RequestedRangeNotSatisfiablec B s e Z d Z d Z d Z RS( s� *416* `Requested Range Not Satisfiable` The client asked for a part of the file that lies beyond the end of the file. .. versionadded:: 0.7 i� s. The server cannot provide the requested range.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR@ � s t ExpectationFailedc B s e Z d Z d Z d Z RS( s� *417* `Expectation Failed` The server cannot meet the requirements of the Expect request-header. .. versionadded:: 0.7 i� s? The server could not meet the requirements of the Expect header( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRA � s t ImATeapotc B s e Z d Z d Z d Z RS( s� *418* `I'm a teapot` The server should return this if it is a teapot and someone attempted to brew coffee with it. .. versionadded:: 0.7 i� s- This server is a teapot, not a coffee machine( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRB � s t UnprocessableEntityc B s e Z d Z d Z d Z RS( s| *422* `Unprocessable Entity` Used if the request is well formed, but the instructions are otherwise incorrect. i� sQ The request was well-formed but was unable to be followed due to semantic errors.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRC � s t PreconditionRequiredc B s e Z d Z d Z d Z RS( s *428* `Precondition Required` The server requires this request to be conditional, typically to prevent the lost update problem, which is a race condition between two or more clients attempting to update a resource through PUT or DELETE. By requiring each client to include a conditional header ("If-Match" or "If-Unmodified- Since") with the proper value retained from a recent GET request, the server ensures that each client has at least seen the previous revision of the resource. i� sZ This request is required to be conditional; try using "If-Match" or "If-Unmodified-Since".( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRD � s t TooManyRequestsc B s e Z d Z d Z d Z RS( s] *429* `Too Many Requests` The server is limiting the rate at which this user receives responses, and this request exceeds that rate. (The server may use any convenient method to identify users and their request rates). The server may include a "Retry-After" header to indicate how long the user should wait before retrying. i� sB This user has exceeded an allotted request count. Try again later.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRE � s t RequestHeaderFieldsTooLargec B s e Z d Z d Z d Z RS( s� *431* `Request Header Fields Too Large` The server refuses to process the request because the header fields are too large. One or more individual fields may be too large, or the set of all headers is too large. i� s3 One or more header fields exceeds the maximum size.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRF � s t InternalServerErrorc B s e Z d Z d Z d Z RS( s� *500* `Internal Server Error` Raise if an internal server error occurred. This is a good fallback if an unknown error occurred in the dispatcher. i� s� The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRG � s t NotImplementedc B s e Z d Z d Z d Z RS( st *501* `Not Implemented` Raise if the application does not support the action requested by the browser. i� s@ The server does not support the action requested by the browser.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRH � s t BadGatewayc B s e Z d Z d Z d Z RS( s� *502* `Bad Gateway` If you do proxying in your application you should return this status code if you received an invalid response from the upstream server it accessed in attempting to fulfill the request. i� sF The proxy server received an invalid response from an upstream server.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRI s t ServiceUnavailablec B s e Z d Z d Z d Z RS( sl *503* `Service Unavailable` Status code you should return if a service is temporarily unavailable. i� s� The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.( R R R) R R ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRJ s c C sw xp t t � � D]_ \ } } y< t | d d � d k rW | t | j <t j | j � n Wq t k rn q q Xq Wd S( NR ( R t globalst getattrR t default_exceptionsR t __all__R5 R t TypeError( R t obj( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt _find_exceptions s t Aborterc B s& e Z d Z d d d � Z d � Z RS( s^ When passed a dict of code -> exception items it can be used as callable that raises exceptions. If the first argument to the callable is an integer it will be looked up in the mapping, if it's a WSGI application it will be raised in a proxy exception. The rest of the arguments are forwarded to the exception constructor. c C sG | d k r t } n t | � | _ | d k rC | j j | � n d S( N( R RM t dictt mappingt update( R RT t extra( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR 4 s c O sl | r0 | r0 t | t � r0 t d | � � n | | j k rR t d | � � n | j | | | � � d S( NR s no exception for %r( t isinstanceR R RT t LookupError( R R R R ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyR% ; s N( R R R) R R R% ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyRR * s ( R ( R (9 R) R t werkzeugt modulesR t exceptionst werkzeug._internalR t werkzeug._compatR R R R t werkzeug.wrappersR R R R, R- R. R/ R0 R1 R2 R7 R8 R9 R: R; R< R= R> R? R@ RA RB RC RD RE RF RG RH RI RJ RM RN RQ t objectRR t abortR t KeyErrort BadRequestKeyErrort werkzeug.utilsR t werkzeug.httpR ( ( ( sB /opt/imh-python/lib/python2.7/site-packages/werkzeug/exceptions.pyt <module>; sZ "X
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