a
    UP\&                     @   sl  d Z ddlZddlZz(ddlmZ ddlmZ ddlmZ W n6 eyr   ddlmZ ddlmZ ddlmZ Y n0 zddl	m
Z
 ddlmZ W nJ ey   zddlm
Z
 ddlmZ W n ey   dZ
dZY n0 Y n0 ejdk rdZn2zdd	lmZ W n  ey   dd	lmZ Y n0 ejd
k r0dZn2zddlmZ W n  ey`   ddlmZ Y n0 ejdk rtdZnPzddlmZ W n> ey   zddlmZ W n ey   dZY n0 Y n0 ejdkZerddlmZmZ ddlZddlmZm Z  n0ddl!mZmZ ddl"Zddl#mZ ddl$m Z  ze%Z%W n e&yR   e'e(fZ%Y n0 G dd deZ)dZ*dS )zPrivate module full of compatibility hacks.

Primarily this is for downstream redistributions of requests that unvendor
urllib3 without providing a shim.

.. warning::

    This module is private. If you use it, and something breaks, you were
    warned
    N)fields)filepost)poolmanager)HTTPConnection)
connectioni  )timeouti  )	appenginei  )PyOpenSSLContext)   r   )MappingMutableMapping)	urlencodeurljoin)r   )r   c                       s   e Zd ZdZd- fdd	Zdd Zdd Zd	d
 Zdd Zdd Z	dd Z
esZejZejZe Zdd Zdd ZefddZdd Zdd Zdd Zdd ZeZeZeZdd  Zd!d" Zd#d$ Zd%d& Zd'd( Zd)d* Z e!d+d, Z"  Z#S ).HTTPHeaderDictap  
    :param headers:
        An iterable of field-value pairs. Must not contain multiple field names
        when compared case-insensitively.

    :param kwargs:
        Additional field-value pairs to pass in to ``dict.update``.

    A ``dict`` like container for storing HTTP Headers.

    Field names are stored and compared case-insensitively in compliance with
    RFC 7230. Iteration provides the first case-sensitive key seen for each
    case-insensitive pair.

    Using ``__setitem__`` syntax overwrites fields that compare equal
    case-insensitively in order to maintain ``dict``'s api. For fields that
    compare equal, instead create a new ``HTTPHeaderDict`` and use ``.add``
    in a loop.

    If multiple fields that are equal case-insensitively are passed to the
    constructor or ``.update``, the behavior is undefined and some will be
    lost.

    >>> headers = HTTPHeaderDict()
    >>> headers.add('Set-Cookie', 'foo=bar')
    >>> headers.add('set-cookie', 'baz=quxx')
    >>> headers['content-length'] = '7'
    >>> headers['SET-cookie']
    'foo=bar, baz=quxx'
    >>> headers['Content-Length']
    '7'
    Nc                    sN   t t|   i | _|d ur<t|tr2| | n
| | |rJ| | d S N)superr   __init__
_container
isinstance
_copy_fromextend)selfheaderskwargs	__class__ ;/usr/lib/python3/dist-packages/requests_toolbelt/_compat.pyr   t   s    

zHTTPHeaderDict.__init__c                 C   s    ||f| j | < | j |  S r   r   lowerr   keyvalr   r   r   __setitem__   s    zHTTPHeaderDict.__setitem__c                 C   s    | j |  }d|dd  S )N,    r   r   joinr    r   r   r   __getitem__   s    zHTTPHeaderDict.__getitem__c                 C   s   | j | = d S r   r   r   r!   r   r   r   __delitem__   s    zHTTPHeaderDict.__delitem__c                 C   s   |  | jv S r   )r   r   r)   r   r   r   __contains__   s    zHTTPHeaderDict.__contains__c                 C   s^   t |tst|dsdS t |t| s2t| |}tdd |  D tdd | D kS )NkeysFc                 s   s   | ]\}}|  |fV  qd S r   r   .0kvr   r   r   	<genexpr>       z(HTTPHeaderDict.__eq__.<locals>.<genexpr>c                 s   s   | ]\}}|  |fV  qd S r   r-   r.   r   r   r   r2      r3   )r   r   hasattrtypedict
itermergedr   otherr   r   r   __eq__   s    zHTTPHeaderDict.__eq__c                 C   s   |  | S r   )r:   r8   r   r   r   __ne__   s    zHTTPHeaderDict.__ne__c                 C   s
   t | jS r   )lenr   r   r   r   r   __len__   s    zHTTPHeaderDict.__len__c                 c   s   | j  D ]}|d V  q
d S )Nr   )r   values)r   valsr   r   r   __iter__   s    zHTTPHeaderDict.__iter__c                 C   s>   z| | }W n" t y.   || ju r& | Y S 0 | |= |S dS )zD.pop(k[,d]) -> v, remove specified key and return its value.

        If key is not found, d is returned if given, otherwise KeyError is
        raised.
        N)KeyError_HTTPHeaderDict__marker)r   r!   defaultvaluer   r   r   pop   s    


zHTTPHeaderDict.popc                 C   s"   z
| |= W n t y   Y n0 d S r   )rB   r)   r   r   r   discard   s    
zHTTPHeaderDict.discardc                 C   sX   |  }||f}| j||}||urTt|tr<|| n|d |d |g| j|< dS )zAdds a (name, value) pair, doesn't overwrite the value if it already
        exists.

        >>> headers = HTTPHeaderDict(foo='bar')
        >>> headers.add('Foo', 'baz')
        >>> headers['foo']
        'bar, baz'
        r   r%   N)r   r   
setdefaultr   listappend)r   r!   r"   Z	key_lowerZnew_valsr@   r   r   r   add   s    	
zHTTPHeaderDict.addc                 O   s   t |dkrtdt |t |dkr2|d nd}t|tr`| D ]\}}| || qHnjt|tr|D ]}| |||  qnnDt|dr|	 D ]}| |||  qn|D ]\}}| || q|
 D ]\}}| || qdS )zGeneric import function for any type of header-like object.
        Adapted version of MutableMapping.update in order to insert items
        with self.add instead of self.__setitem__
        r%   z8extend() takes at most 1 positional arguments ({} given)r   r   r,   N)r<   	TypeErrorformatr   r   	iteritemsrK   r   r4   r,   items)r   argsr   r9   r!   r"   rE   r   r   r   r      s$    


zHTTPHeaderDict.extendc                 C   sN   z| j |  }W n ty(   g  Y S 0 t|tr>|d gS |dd S dS )zmReturns a list of all the values for the named field. Returns an
        empty list if the key doesn't exist.r%   N)r   r   rB   r   tuple)r   r!   r@   r   r   r   getlist   s    


zHTTPHeaderDict.getlistc                 C   s   dt | jt|  f S )Nz%s(%s))r5   __name__r6   r7   r=   r   r   r   __repr__  s    zHTTPHeaderDict.__repr__c                 C   s>   |D ]4}| |}t|tr$t|}|g| | j| < qd S r   )rR   r   rI   r   r   )r   r9   r!   r"   r   r   r   r     s
    

zHTTPHeaderDict._copy_fromc                 C   s   t |  }||  |S r   )r5   r   )r   Zcloner   r   r   copy  s    

zHTTPHeaderDict.copyc                 c   s<   | D ]2}| j |  }|dd D ]}|d |fV  q"qdS )z8Iterate over all header lines, including duplicate ones.r%   Nr   r   )r   r!   r@   r"   r   r   r   rN     s    zHTTPHeaderDict.iteritemsc                 c   s8   | D ].}| j |  }|d d|dd fV  qdS )z:Iterate over all headers, merging duplicate ones together.r   r$   r%   Nr&   r    r   r   r   r7     s    zHTTPHeaderDict.itermergedc                 C   s   t |  S r   )rI   rN   r=   r   r   r   rO      s    zHTTPHeaderDict.itemsc                 C   sj   g }|j D ]V}|dr>|d \}}||d |  f|d< q
|dd\}}||| f q
| |S )z4Read headers from a Python 2 httplib message object.) 	z
:r%   )r   
startswithrstripsplitrJ   strip)clsmessager   liner!   rE   r   r   r   from_httplib#  s    

zHTTPHeaderDict.from_httplib)N)$rS   
__module____qualname____doc__r   r#   r(   r*   r+   r:   r;   PY3r   ZiterkeysZ
itervaluesobjectrC   r>   rA   rF   rG   rK   r   rR   Z
getheadersZgetallmatchingheadersZigetrT   r   rU   rN   r7   rO   classmethodra   __classcell__r   r   r   r   r   R   s<   !r   )
basestringr   r   r   r   r   r   queuer   
gaecontribr   r	   )+rd   sysZrequestsZrequests.packages.urllib3r   r   r   ImportErrorZurllib3Z$requests.packages.urllib3.connectionr   r   Zurllib3.connectionZ	__build__r   Zrequests.packages.urllib3.utilZurllib3.utilrk   Z!requests.packages.urllib3.contribr   Zurllib3.contribr	   Z+requests.packages.urllib3.contrib.pyopensslZurllib3.contrib.pyopensslversion_infore   collections.abcr   r   rj   Zurllib.parser   r   collectionsZQueueZurllibZurlparseri   	NameErrorstrbytesr   __all__r   r   r   r   <module>   sr   


 f