a
    QSic;*                     @   s   d dl mZ zd dlmZmZ W n" eyB   d dlmZmZ Y n0 zd dlmZ W n  eyt   G dd dZY n0 d dlm	Z	 ddl
mZ dd	lmZ dd
lmZmZ ddgZe ZG dd deZG dd deZdS )    )absolute_import)MappingMutableMapping)RLockc                   @   s   e Zd Zdd Zdd ZdS )r   c                 C   s   d S N selfr   r   P/var/www/html/django/DPS/env/lib/python3.9/site-packages/urllib3/_collections.py	__enter__   s    zRLock.__enter__c                 C   s   d S r   r   )r	   exc_type	exc_value	tracebackr   r   r
   __exit__   s    zRLock.__exit__N)__name__
__module____qualname__r   r   r   r   r   r
   r      s   r   )OrderedDict   )InvalidHeader)six)iterkeys
itervaluesRecentlyUsedContainerHTTPHeaderDictc                   @   sV   e Zd ZdZeZdddZdd Zdd	 Zd
d Z	dd Z
dd Zdd Zdd ZdS )r   a  
    Provides a thread-safe dict-like container which maintains up to
    ``maxsize`` keys while throwing away the least-recently-used keys beyond
    ``maxsize``.

    :param maxsize:
        Maximum number of recent elements to retain.

    :param dispose_func:
        Every time an item is evicted from the container,
        ``dispose_func(value)`` is called.  Callback which will get called
    
   Nc                 C   s"   || _ || _|  | _t | _d S r   )_maxsizedispose_funcContainerCls
_containerr   lock)r	   maxsizer   r   r   r
   __init__/   s    
zRecentlyUsedContainer.__init__c                 C   sD   | j * | j|}|| j|< |W  d    S 1 s60    Y  d S r   )r    r   pop)r	   keyitemr   r   r
   __getitem__6   s    
z!RecentlyUsedContainer.__getitem__c                 C   s   t }| jJ | j|t }|| j|< t| j| jkrF| jjdd\}}W d    n1 sZ0    Y  | jr||t ur|| | d S )NF)last)_Nullr    r   getlenr   popitemr   )r	   r$   valueZevicted_value_keyr   r   r
   __setitem__=   s    
0z!RecentlyUsedContainer.__setitem__c                 C   sF   | j  | j|}W d    n1 s(0    Y  | jrB| | d S r   )r    r   r#   r   )r	   r$   r,   r   r   r
   __delitem__L   s    *z!RecentlyUsedContainer.__delitem__c                 C   s4   | j  t| jW  d    S 1 s&0    Y  d S r   )r    r*   r   r   r   r   r
   __len__S   s    zRecentlyUsedContainer.__len__c                 C   s   t dd S )Nz7Iteration over this class is unlikely to be threadsafe.)NotImplementedErrorr   r   r   r
   __iter__W   s    zRecentlyUsedContainer.__iter__c                 C   s\   | j ( tt| j}| j  W d    n1 s40    Y  | jrX|D ]}| | qHd S r   )r    listr   r   clearr   )r	   valuesr,   r   r   r
   r4   \   s    (zRecentlyUsedContainer.clearc                 C   s8   | j  tt| jW  d    S 1 s*0    Y  d S r   )r    r3   r   r   r   r   r   r
   keysf   s    zRecentlyUsedContainer.keys)r   N)r   r   r   __doc__r   r   r"   r&   r.   r/   r0   r2   r4   r6   r   r   r   r
   r      s   

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jr\e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efddZe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 ).r   ap  
    :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                    sP   t t|   t | _|d ur>t|tr4| | n
| | |rL| | d S r   )superr   r"   r   r   
isinstance
_copy_fromextend)r	   headerskwargs	__class__r   r
   r"      s    

zHTTPHeaderDict.__init__c                 C   s    ||g| j | < | j |  S r   r   lowerr	   r$   valr   r   r
   r.      s    zHTTPHeaderDict.__setitem__c                 C   s    | j |  }d|dd  S )N, r   r   rA   joinrB   r   r   r
   r&      s    zHTTPHeaderDict.__getitem__c                 C   s   | j | = d S r   r@   r	   r$   r   r   r
   r/      s    zHTTPHeaderDict.__delitem__c                 C   s   |  | jv S r   )rA   r   rG   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 )Nr6   Fc                 s   s   | ]\}}|  |fV  qd S r   )rA   ).0kvr   r   r
   	<genexpr>       z(HTTPHeaderDict.__eq__.<locals>.<genexpr>)r9   r   hasattrtypedict
itermergedr	   otherr   r   r
   __eq__   s    zHTTPHeaderDict.__eq__c                 C   s   |  | S r   )rT   rR   r   r   r
   __ne__   s    zHTTPHeaderDict.__ne__c                 C   s
   t | jS r   )r*   r   r   r   r   r
   r0      s    zHTTPHeaderDict.__len__c                 c   s   | j  D ]}|d V  q
d S )Nr   )r   r5   )r	   valsr   r   r
   r2      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 the corresponding value.
        If key is not found, d is returned if given, otherwise KeyError is raised.
        N)KeyError_HTTPHeaderDict__marker)r	   r$   defaultr,   r   r   r
   r#      s    

zHTTPHeaderDict.popc                 C   s"   z
| |= W n t y   Y n0 d S r   )rW   rG   r   r   r
   discard   s    
zHTTPHeaderDict.discardc                 C   s4   |  }||g}| j||}||ur0|| 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'
        N)rA   r   
setdefaultappend)r	   r$   rC   Z	key_lowerZnew_valsrV   r   r   r
   add   s
    	zHTTPHeaderDict.addc                 O   s   t |dkrtdt |t |dkr2|d nd}t|tr`| D ]\}}| || qHnjt|tr|D ]}| |||  qnnDt|dr|	 D ]}| |||  qn|D ]\}}| || q|
 D ]\}}| || qdS )zGeneric import function for any type of header-like object.
        Adapted version of MutableMapping.update in order to insert items
        with self.add instead of self.__setitem__
        r   z9extend() takes at most 1 positional arguments ({0} given)r   r   r6   N)r*   	TypeErrorformatr9   r   	iteritemsr]   r   rN   r6   items)r	   argsr=   rS   r$   rC   r,   r   r   r
   r;      s(    


zHTTPHeaderDict.extendc                 C   sL   z| j |  }W n( ty:   || ju r2g  Y S | Y S 0 |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   rA   rW   rX   )r	   r$   rY   rV   r   r   r
   getlist  s    

zHTTPHeaderDict.getlistc                 C   s   dt | jt|  f S )Nz%s(%s))rO   r   rP   rQ   r   r   r   r
   __repr__  s    zHTTPHeaderDict.__repr__c                 C   s>   |D ]4}| |}t|tr$t|}|g| | j| < qd S r   )rc   r9   r3   r   rA   )r	   rS   r$   rC   r   r   r
   r:     s
    

zHTTPHeaderDict._copy_fromc                 C   s   t |  }||  |S r   )rO   r:   )r	   cloner   r   r
   copy"  s    

zHTTPHeaderDict.copyc                 c   s<   | D ]2}| j |  }|dd D ]}|d |fV  q"qdS )z8Iterate over all header lines, including duplicate ones.r   Nr   r@   )r	   r$   rV   rC   r   r   r
   r`   '  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   rD   r   NrE   rB   r   r   r
   rQ   .  s    zHTTPHeaderDict.itermergedc                 C   s   t |  S r   )r3   r`   r   r   r   r
   ra   4  s    zHTTPHeaderDict.itemsc                 C   s   d}g }|j D ]h}||rT|s.td| n&|d \}}||d |  f|d< q|dd\}}||| f q| |S )z4Read headers from a Python 2 httplib message object.) 	z/Header continuation with no previous header: %srg   :r   )r<   
startswithr   stripsplitr\   )clsmessageZobs_fold_continued_leadersr<   liner$   r,   r   r   r
   from_httplib7  s    

zHTTPHeaderDict.from_httplib)N)&r   r   r   r7   r"   r.   r&   r/   rH   rT   rU   r   PY2r   r   r   objectrX   r0   r2   r#   rZ   r]   r;   rc   
getheadersgetallmatchingheadersZigetget_allrd   r:   rf   r`   rQ   ra   classmethodrq   __classcell__r   r   r>   r
   r   k   s>   !	N)
__future__r   collections.abcr   r   ImportErrorcollections	threadingr   r   
exceptionsr   packagesr   Zpackages.sixr   r   __all__rs   r(   r   r   r   r   r   r
   <module>   s    L