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�
��fc@sJdZddlZejd�Zdddd�ZGdd�d�ZdS(	u�Manage HTTP Response Headers

Much of this module is red-handedly pilfered from email.message in the stdlib,
so portions are Copyright (C) 2001,2002 Python Software Foundation, and were
written by Barry Warsaw.
iNu[ \(\)<>@,;:\\"/\[\]\?=]icCsx|dk	rpt|�dkrp|s3tj|�r_|jdd�jdd�}d||fSd||fSn|SdS(	u~Convenience function to format and return a key=value pair.

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dd�Zdd�Zdd�Zdd�Zdd�Zdd�Zd d!�Zd"d#�Zd$S(%uHeadersu,Manage a collection of HTTP response headerscCs_t|�tk	r!td��n||_x.|D]&\}}|j|�|j|�q1WdS(Nu+Headers must be a list of name/value tuples(utypeulistu	TypeErroru_headersu_convert_string_type(uselfuheadersukuv((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu__init__ s	
uHeaders.__init__cCs5t|�tkr|Stdjt|����dS(uConvert/check value type.u1Header names/values must be of type str (got {0})N(utypeustruAssertionErroruformaturepr(uselfuvalue((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu_convert_string_type)s	uHeaders._convert_string_typecCs
t|j�S(u9Return the total number of headers, including duplicates.(ulenu_headers(uself((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu__len__0suHeaders.__len__cCs3||=|jj|j|�|j|�f�dS(uSet the value of a header.N(u_headersuappendu_convert_string_type(uselfunameuval((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu__setitem__4s	uHeaders.__setitem__csB|j�j����fdd�|jD�|jdd�<dS(uyDelete all occurrences of a header, if present.

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<listcomp>@s	u'Headers.__delitem__.<locals>.<listcomp>N(u_convert_string_typeuloweru_headers(uselfuname((unameu4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu__delitem__:suHeaders.__delitem__cCs
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        (uget(uselfuname((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu__getitem__Bs	uHeaders.__getitem__cCs|j|�dk	S(u/Return true if the message contains the header.N(ugetuNone(uselfuname((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu__contains__MsuHeaders.__contains__cs/|j�j����fdd�|jD�S(uqReturn a list of all the values for the named field.

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        If no fields exist with the given name, returns an empty list.
        cs0g|]&}|dj��kr|d�qS(ii(ulower(u.0ukv(uname(u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu
<listcomp>[s	u#Headers.get_all.<locals>.<listcomp>(u_convert_string_typeuloweru_headers(uselfuname((unameu4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyuget_allRsuHeaders.get_allcCsI|j|j��}x-|jD]"\}}|j�|kr|SqW|S(u:Get the first header value for 'name', or return 'default'(u_convert_string_typeuloweru_headers(uselfunameudefaultukuv((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyuget^s
uHeaders.getcCsdd�|jD�S(u*Return a list of all the header field names.

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        list.
        cSsg|]\}}|�qS(((u.0ukuv((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu
<listcomp>os	u Headers.keys.<locals>.<listcomp>(u_headers(uself((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyukeysgsuHeaders.keyscCsdd�|jD�S(u!Return a list of all header values.

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<listcomp>ys	u"Headers.values.<locals>.<listcomp>(u_headers(uself((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyuvaluesqsuHeaders.valuescCs|jdd�S(uGet all the header fields and values.

        These will be sorted in the order they were in the original header
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        N(u_headers(uself((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyuitems{su
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cSsg|]}d|�qS(u%s: %s((u.0ukv((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu
<listcomp>�s	u#Headers.__str__.<locals>.<listcomp>u(ujoinu_headers(uself((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu__str__�suHeaders.__str__cCst|�jd�S(Nu
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setdefault�suHeaders.setdefaultcKs�g}|dk	r1|j|�}|j|�nx�|j�D]t\}}|j|�}|dkr�|j|jdd��q>|j|�}|jt|jdd�|��q>W|jj|j|�dj|�f�dS(ufExtended header setting.

        _name is the header field to add.  keyword arguments can be used to set
        additional parameters for the header field, with underscores converted
        to dashes.  Normally the parameter will be added as key="value" unless
        value is None, in which case only the key will be added.

        Example:

        h.add_header('content-disposition', 'attachment', filename='bud.gif')

        Note that unlike the corresponding 'email.message' method, this does
        *not* handle '(charset, language, value)' tuples: all values must be
        strings or None.
        u_u-u; N(uNoneu_convert_string_typeuappenduitemsureplaceu_formatparamu_headersujoin(uselfu_nameu_valueu_paramsupartsukuv((u4/opt/alt/python33/lib64/python3.3/wsgiref/headers.pyu
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add_header(u
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