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Filename :
_collections.cpython-310.pyc
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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 sT t t| ��� t� | _|d ur t|t�r| �|� n| �|� |r(| �|� d S d S r )�superr r# r r � isinstance� _copy_from�extend)r �headers�kwargs�� __class__r r r# � s �zHTTPHeaderDict.__init__c C s ||g| j |�� < | j |�� S r �r �lower�r r% �valr r r r0 � s zHTTPHeaderDict.__setitem__c C s | j |�� }d�|dd � �S )N�, r �r rC �joinrD r r r r' � s zHTTPHeaderDict.__getitem__c C s | j |�� = d S r rB �r r% r r r r1 � s zHTTPHeaderDict.__delitem__c C s |� � | jv S r )rC r rI r r r � __contains__� s zHTTPHeaderDict.__contains__c C s^ t |t�s t|d�s dS t |t| ��st| �|�}tdd� | �� D ��tdd� |�� D ��kS )Nr8 Fc s s � | ] \}}|� � |fV qd S r )rC )�.0�k�vr r r � <genexpr>� s � z(HTTPHeaderDict.__eq__.<locals>.<genexpr>)r; r �hasattr�type�dict� itermerged�r �otherr r r �__eq__� s �zHTTPHeaderDict.__eq__c C s | � |� S r )rU rS r r r �__ne__� � zHTTPHeaderDict.__ne__c C s t | j�S r )r+ r r r r r r2 � s zHTTPHeaderDict.__len__c c s � | j �� D ]}|d V qd S )Nr )r r7 )r �valsr r r r4 � s � �zHTTPHeaderDict.__iter__c C s: z| | }W n t y || ju r� | Y S w | |= |S )z�D.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. )�KeyError�_HTTPHeaderDict__marker)r r% �defaultr- r r r r$ � s �zHTTPHeaderDict.popc C s" z| |= W d S t y Y d S w r )rY rI r r r �discard� s �zHTTPHeaderDict.discardc C s8 |� � }||g}| j�||�}||ur|�|� dS dS )z�Adds 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)rC r � setdefault�append)r r% rE � key_lower�new_valsrX r r r �add� s �zHTTPHeaderDict.addc O s� t |�dkrtd�t |����t |�dkr|d nd}t|t�r0|�� D ] \}}| �||� q$n5t|t�rC|D ] }| �||| � q7n"t|d�rX|� � D ] }| �||| � qLn |D ] \}}| �||� qZ|� � D ] \}}| �||� qidS )z�Generic 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 r8 N) r+ � TypeError�formatr; r � iteritemsra r rO r8 �items)r �argsr? rT r% rE r- r r r r= � s. � � � � �zHTTPHeaderDict.extendc C sH z | j |�� }W n ty || ju rg Y S | Y S w |dd� 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 rC rY rZ )r r% r[ rX r r r �getlist s � zHTTPHeaderDict.getlistc C s g d�}|D ]}| � |� q| S )z� Remove content-specific header fields before changing the request method to GET or HEAD according to RFC 9110, Section 15.4. )zContent-EncodingzContent-LanguagezContent-Locationz Content-TypezContent-Length�Digestz Last-Modified)r\ )r �content_specific_headers�headerr r r �_prepare_for_method_change s z)HTTPHeaderDict._prepare_for_method_changec C s dt | �jt| �� �f S )Nz%s(%s))rP r rQ rR r r r r �__repr__) s zHTTPHeaderDict.__repr__c C s> |D ]}|� |�}t|t�rt|�}|g| | j|�� < qd S r )rg r; r5 r rC )r rT r% rE r r r r< , s �zHTTPHeaderDict._copy_fromc C s t | �� }|�| � |S r )rP r< )r �cloner r r �copy4 s zHTTPHeaderDict.copyc c s> � | D ]}| j |�� }|dd� D ] }|d |fV qqdS )z8Iterate over all header lines, including duplicate ones.r Nr rB )r r% rX rE r r r rd 9 s ���zHTTPHeaderDict.iteritemsc c s: � | D ]}| j |�� }|d d�|dd� �fV qdS )z:Iterate over all headers, merging duplicate ones together.r rF r NrG rD r r r rR @ s � �zHTTPHeaderDict.itermergedc C s t | �� �S r )r5 rd r r r r re F rW zHTTPHeaderDict.itemsc C s~ d}g }|j D ]3}|�|�r)|std| ��|d \}}||d |�� f|d< q|�dd�\}}|�||�� f� q| |�S )z4Read headers from a Python 2 httplib message object.)� � z/Header continuation with no previous header: %s���ro �:r )r> � startswithr �strip�splitr^ )�cls�message�obs_fold_continued_leadersr> �liner% r- r r r � from_httplibI s � zHTTPHeaderDict.from_httplibr )'r r r r9 r# r0 r' r1 rJ rU rV �six�PY2r r r �objectrZ r2 r4 r$ r\ ra r= rg rk � getheaders�getallmatchingheaders�iget�get_allrl r< rn rd rR re � classmethodrz � __classcell__r r r@ r r k sB ! )� __future__r �collections.abcr r � ImportError� collections� threadingr r � exceptionsr r{ r r �__all__r} r) r r r r r r �<module> s& � � L