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� �[�Rc @ s! d Z d d l Z y d d l m Z Wn! e k rI d d l m Z n Xd d l m Z d d l m Z d d l m Z m Z d d l m Z d � 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 S( s� werkzeug.contrib.wrappers ~~~~~~~~~~~~~~~~~~~~~~~~~ Extra wrappers or mixins contributed by the community. These wrappers can be mixed in into request objects to add extra functionality. Example:: from werkzeug.wrappers import Request as RequestBase from werkzeug.contrib.wrappers import JSONRequestMixin class Request(RequestBase, JSONRequestMixin): pass Afterwards this request object provides the extra functionality of the :class:`JSONRequestMixin`. :copyright: (c) 2014 by the Werkzeug Team, see AUTHORS for more details. :license: BSD, see LICENSE for more details. i����N( t loads( t BadRequest( t cached_property( t dump_options_headert parse_options_header( t wsgi_decoding_dancec C s* y t j | � Wn t k r% t SXt S( s/ Checks if the given charset is known to Python.( t codecst lookupt LookupErrort Falset True( t charset( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt is_known_charset# s t JSONRequestMixinc B s e Z d Z e d � � Z RS( s� Add json method to a request object. This will parse the input data through simplejson if possible. :exc:`~werkzeug.exceptions.BadRequest` will be raised if the content-type is not json or if the data itself cannot be parsed as json. c C s_ d | j j d d � k r* t d � � n y t | j � SWn t k rZ t d � � n Xd S( s/ Get the result of simplejson.loads if possible.t jsont CONTENT_TYPEt s Not a JSON requests Unable to read JSON requestN( t environt getR R t datat Exception( t self( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR 4 s ( t __name__t __module__t __doc__R R ( ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR , s t ProtobufRequestMixinc B s e Z d Z e Z d � Z RS( sD Add protobuf parsing method to a request object. This will parse the input data through `protobuf`_ if possible. :exc:`~werkzeug.exceptions.BadRequest` will be raised if the content-type is not protobuf or if the data itself cannot be parsed property. .. _protobuf: http://code.google.com/p/protobuf/ c C s� d | j j d d � k r* t d � � n | � } y | j | j � Wn t k rf t d � � n X| j r� | j � r� t d � � n | S( s. Parse the data into an instance of proto_type.t protobufR R s Not a Protobuf requests Unable to parse Protobuf requests Partial Protobuf request( R R R t ParseFromStringR R t protobuf_check_initializationt IsInitialized( R t proto_typet obj( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt parse_protobufO s ( R R R R R R ( ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR ? s t RoutingArgsRequestMixinc B sh e Z d Z d � Z d � Z e e e d d �Z [ [ d � Z d � Z e e e d d �Z [ [ RS( s� This request mixin adds support for the wsgiorg routing args `specification`_. .. _specification: http://www.wsgi.org/wsgi/Specifications/routing_args c C s | j j d d � d S( Ns wsgiorg.routing_argsi ( ( R R ( R ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt _get_routing_argsh s c C s2 | j r t d � � n | | j f | j d <d S( Nso A shallow request tried to modify the WSGI environment. If you really want to do that, set `shallow` to False.s wsgiorg.routing_args( t shallowt RuntimeErrort routing_varsR ( R t value( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt _set_routing_argsk s t docs1 The positional URL arguments as `tuple`.c C sE | j j d � } | d k r& | d Si } | j sA | | _ n | S( Ns wsgiorg.routing_argsi ( R R t NoneR# R% ( R t rv( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt _get_routing_varsv s c C s2 | j r t d � � n | j | f | j d <d S( Nso A shallow request tried to modify the WSGI environment. If you really want to do that, set `shallow` to False.s wsgiorg.routing_args( R# R$ t routing_argsR ( R R& ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt _set_routing_vars s s- The keyword URL arguments as `dict`.( R R R R" R' t propertyR, R+ R- R% ( ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR! a s t ReverseSlashBehaviorRequestMixinc B s, e Z d Z e d � � Z e d � � Z RS( s� This mixin reverses the trailing slash behavior of :attr:`script_root` and :attr:`path`. This makes it possible to use :func:`~urlparse.urljoin` directly on the paths. Because it changes the behavior or :class:`Request` this class has to be mixed in *before* the actual request class:: class MyRequest(ReverseSlashBehaviorRequestMixin, Request): pass This example shows the differences (for an application mounted on `/application` and the request going to `/application/foo/bar`): +---------------+-------------------+---------------------+ | | normal behavior | reverse behavior | +===============+===================+=====================+ | `script_root` | ``/application`` | ``/application/`` | +---------------+-------------------+---------------------+ | `path` | ``/foo/bar`` | ``foo/bar`` | +---------------+-------------------+---------------------+ c C s7 t | j j d � p d | j | j � } | j d � S( s� Requested path as unicode. This works a bit like the regular path info in the WSGI environment but will not include a leading slash. t PATH_INFOR t /( R R R R t encoding_errorst lstrip( R t path( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR4 � s c C s; t | j j d � p d | j | j � } | j d � d S( s8 The root path of the script includling a trailing slash.t SCRIPT_NAMER R1 ( R R R R R2 t rstrip( R R4 ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt script_root� s ( R R R R R4 R7 ( ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR/ � s t DynamicCharsetRequestMixinc B s, e Z d Z d Z d � Z e d � � Z RS( s� "If this mixin is mixed into a request class it will provide a dynamic `charset` attribute. This means that if the charset is transmitted in the content type headers it's used from there. Because it changes the behavior or :class:`Request` this class has to be mixed in *before* the actual request class:: class MyRequest(DynamicCharsetRequestMixin, Request): pass By default the request object assumes that the URL charset is the same as the data charset. If the charset varies on each request based on the transmitted data it's not a good idea to let the URLs change based on that. Most browsers assume either utf-8 or latin1 for the URLs if they have troubles figuring out. It's strongly recommended to set the URL charset to utf-8:: class MyRequest(DynamicCharsetRequestMixin, Request): url_charset = 'utf-8' .. versionadded:: 0.6 t latin1c C s d S( sK Called if a charset was provided but is not supported by the Python codecs module. By default latin1 is assumed then to not lose any information, you may override this method to change the behavior. :param charset: the charset that was not found. :return: the replacement charset. R9 ( ( R R ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt unknown_charset� s c C sf | j j d � } | r_ t | � \ } } | j d � } | r_ t | � rO | S| j | � Sn | j S( s" The charset from the content type.R R ( R R R R R: t default_charset( R t headert ctt optionsR ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR � s ( R R R R; R: R R ( ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR8 � s t DynamicCharsetResponseMixinc B sA e Z d Z d Z d � Z d � Z e e e d d �Z [ [ RS( s� If this mixin is mixed into a response class it will provide a dynamic `charset` attribute. This means that if the charset is looked up and stored in the `Content-Type` header and updates itself automatically. This also means a small performance hit but can be useful if you're working with different charsets on responses. Because the charset attribute is no a property at class-level, the default value is stored in `default_charset`. Because it changes the behavior or :class:`Response` this class has to be mixed in *before* the actual response class:: class MyResponse(DynamicCharsetResponseMixin, Response): pass .. versionadded:: 0.6 s utf-8c C sE | j j d � } | r> t | � d j d � } | r> | Sn | j S( Ns content-typei R ( t headersR R R; ( R R< R ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt _get_charset s c C s] | j j d � } t | � \ } } | s9 t d � � n | | d <t | | � | j d <d S( Ns content-types5 Cannot set charset if Content-Type header is missing.R s Content-Type( R@ R R t TypeErrorR ( R R R< R= R> ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt _set_charset s R( sj The charset for the response. It's stored inside the Content-Type header as a parameter.( R R R R; RA RC R. R ( ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyR? � s ( R R t simplejsonR t ImportErrorR t werkzeug.exceptionsR t werkzeug.utilsR t werkzeug.httpR R t werkzeug._compatR R t objectR R R! R/ R8 R? ( ( ( sH /opt/imh-python/lib/python2.7/site-packages/werkzeug/contrib/wrappers.pyt <module> s "*(8
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