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편집 파일: utils.cpython-310.pyc
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The return value is a standard :class:`list`: >>> parse_list_header('token, "quoted value"') ['token', 'quoted value'] To create a header from the :class:`list` again, use the :func:`dump_header` function. :param value: a string with a list header. :return: :class:`list` :rtype: list Nr ru �")�_parse_list_header�unquote_header_value�append)r� �result�itemr8 r8 r9 �parse_list_headerX s ( r� c C sx i }t | �D ]3}d|vrd||< q|�dd�\}} | dd� | dd� kr+dkr5n nt| dd� �} | ||< q|S )a^ Parse lists of key, value pairs as described by RFC 2068 Section 2 and convert them into a python dict: >>> d = parse_dict_header('foo="is a fish", bar="as well"') >>> type(d) is dict True >>> sorted(d.items()) [('bar', 'as well'), ('foo', 'is a fish')] If there is no value for a key it will be `None`: >>> parse_dict_header('key_without_value') {'key_without_value': None} To create a header from the :class:`dict` again, use the :func:`dump_header` function. :param value: a string with a dict header. :return: :class:`dict` :rtype: dict �=Nr ru r� )r� r1 r� )r� r� r� rs r8 r8 r9 �parse_dict_headerx s ( r� c C s^ | r-| d | d krdkr-n | S | dd� } |r#| dd� dkr-| � dd�� d d�S | S ) z�Unquotes a header value. 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(This warning should only appear once.)z!<meta.*?charset=["\']*(.+?)["\'>])�flagsz+<meta.*?content=["\']*;?charset=(.+?)["\'>]z$^<\?xml.*?encoding=["\']*(.+?)["\'>])rL rM �DeprecationWarningr3 �compiler5 �findall)�content� charset_re� pragma_re�xml_rer8 r8 r9 �get_encodings_from_content� s � ��r� c C s� | � d�}|d �� |dd� }}i }d}|D ]0}|�� }|rH|d}}|�d�} | dkrB|d| � �|�}|| d d� �|�}|||�� < q||fS ) z�Returns content type and parameters from given header :param header: string :return: tuple containing content type and dictionary of parameters r% r r Nz"' Tr� ru )r1 �strip�find�lower) �header�tokens� content_type�params� params_dict�items_to_strip�param�keyr� �index_of_equalsr8 r8 r9 �_parse_content_type_header� s �r� c C sP | � d�}|s dS t|�\}}d|v r|d �d�S d|v r dS d|v r&dS dS ) z}Returns encodings from given HTTP Header Dict. :param headers: dictionary to extract encoding from. :rtype: str z content-typeN�charsetz'"�textz ISO-8859-1zapplication/json�utf-8)r^ r� r� )�headersr� r� r8 r8 r9 �get_encoding_from_headers� s �r� c c sp � |j du r| D ]}|V qdS t�|j �dd�}| D ] }|�|�}|r'|V q|jddd�}|r6|V dS dS )zStream decodes a iterator.Nr2 ��errors� T)�final)�encoding�codecs�getincrementaldecoderre )�iterator�rr� �decoder�chunk�rvr8 r8 r9 � stream_decode_response_unicode s � � �r� c c sX � d}|du s |dkrt | �}|t | �k r*| ||| � V ||7 }|t | �k sdS dS )z Iterate over slices of a string.r N)r@ )�string� slice_length�posr8 r8 r9 � iter_slices& s � �r� c C sv t �dt� g }t| j�}|r%zt| j|�W S ty$ |�|� Y nw z t| j|dd�W S t y: | j Y S w )z�Returns the requested content back in unicode. :param r: Response object to get unicode content from. Tried: 1. charset from content-type 2. fall back and replace all unicode characters :rtype: str z�In requests 3.0, get_unicode_from_response will be removed. For more information, please see the discussion on issue #2266. (This warning should only appear once.)r2 r� ) rL rM r� r� r� r r� � UnicodeErrorr� � TypeError)r� �tried_encodingsr� r8 r8 r9 �get_unicode_from_response0 s" � � �r� zBABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~c C s� | � d�}tdt|��D ]M}|| dd� }t|�dkrQ|�� rQz tt|d��}W n ty6 td| ��w |tv rH||| dd� ||< q d|| ||< q d|| ||< q d� |�S ) z�Un-escape any percent-escape sequences in a URI that are unreserved characters. This leaves all reserved, illegal and non-ASCII bytes encoded. :rtype: str �%r r rE � z%Invalid percent-escape sequence: '%s'N� ) r1 �ranger@ �isalnum�chrr. r� r �UNRESERVED_SETr| )�uri�parts�i�h�cr8 r8 r9 �unquote_unreservedY s � r� c C s: d}d}z t t| �|d�W S ty t | |d� Y S w )z�Re-quote the given URI. This function passes the given URI through an unquote/quote cycle to ensure that it is fully and consistently quoted. :rtype: str z!#$%&'()*+,/:;=?@[]~z!#$&'()*+,/:;=?@[]~)�safe)r r� r )r� �safe_with_percent�safe_without_percentr8 r8 r9 � requote_uriq s �r� c C sl t �dt�| ��d }|�d�\}}t �dt�tt|����d }t �dt�|��d |@ }||@ ||@ kS )z�This function allows you to check if an IP belongs to a network subnet Example: returns True if ip = 192.168.1.1 and net = 192.168.1.0/24 returns False if ip = 192.168.1.1 and net = 192.168.100.0/24 :rtype: bool z=Lr r{ )�struct�unpack�socket� inet_atonr1 �dotted_netmaskr. )�ip�net�ipaddr�netaddr�bits�netmask�networkr8 r8 r9 �address_in_network� s r c C s& ddd| > d A }t �t�d|��S )z�Converts mask from /xx format to xxx.xxx.xxx.xxx Example: if mask is 24 function returns 255.255.255.0 :rtype: str l �� r � z>I)r� � inet_ntoar� �pack)�maskr� r8 r8 r9 r� � s r� c C s( zt �| � W dS t jy Y dS w )z :rtype: bool FT)r� r� �error)� string_ipr8 r8 r9 �is_ipv4_address� s ��r c C s� | � d�dkr@z t| �d�d �}W n ty Y dS w |dk s%|dkr'dS z t�| �d�d � W dS tjy? Y dS w dS )zV Very simple check of the cidr format in no_proxy variable. :rtype: bool r{ r Fr r T)�countr. r1 r� r� r� r )�string_networkr r8 r8 r9 � is_valid_cidr� s ���r c c sz � |du}|rt j�| �}|t j| < zdV W |r*|du r#t j| = dS |t j| < dS dS |r<|du r7t j| = w |t j| < w )z�Set the environment variable 'env_name' to 'value' Save previous value, yield, and then restore the previous value stored in the environment variable 'env_name'. If 'value' is None, do nothingN)rH r] r^ )�env_namer� � value_changed� old_valuer8 r8 r9 � set_environ� s � �r c C s8 dd� }|}|du r|d�}t | �}|jdu rdS |rkdd� |�dd ��d �D �}t|j�rJ|D ]}t|�r@t|j|�r? dS q0|j|krH dS q0n!|j}|jrX|d �|j�7 }|D ]}|j� |�sg|� |�rj dS qZt d|�� zt |j�}W n t t jfy� d }Y nw W d � n1 s�w Y |r�dS d S ) zL Returns whether we should bypass proxies or not. :rtype: bool c S s t j�| �p t j�| �� �S �N)rH r] r^ �upper)�kr8 r8 r9 �<lambda>� s z'should_bypass_proxies.<locals>.<lambda>N�no_proxyTc s s � | ]}|r|V qd S r r8 )rV r6 r8 r8 r9 rX � s � � �z(should_bypass_proxies.<locals>.<genexpr>� r� �,z:{}F)r �hostnamer2 r1 r r r �portrU �endswithr r r� r� �gaierror) ri r � get_proxy� no_proxy_arg�parsed�proxy_ip�host_with_portr6 �bypassr8 r8 r9 �should_bypass_proxies� sN � � �� � �� �r" c C s t | |d�ri S t� S )zA Return a dict of environment proxies. :rtype: dict )r )r" r )ri r r8 r8 r9 �get_environ_proxies s r# c C sv |pi }t | �}|jdu r|�|j|�d��S |jd |j |jd|j dg}d}|D ] }||v r8|| } |S q+|S )z�Select a proxy for the url, if applicable. :param url: The url being for the request :param proxies: A dictionary of schemes or schemes and hosts to proxy URLs N�allz://zall://)r r r^ �scheme)ri �proxies�urlparts� proxy_keys�proxy� proxy_keyr8 r8 r9 � select_proxy# s" ��r+ �python-requestsc C s d| t f S )zO Return a string representing the default user agent. :rtype: str z%s/%sr )rs r8 r8 r9 �default_user_agent= s r- c C s t t� tddd��S )z9 :rtype: requests.structures.CaseInsensitiveDict z*/*z keep-alive)z User-AgentzAccept-Encoding�Accept� Connection)r r- �DEFAULT_ACCEPT_ENCODINGr8 r8 r8 r9 �default_headersF s �r1 c C s� g }d}| � |�} | s |S t�d| �D ]M}z |�dd�\}}W n ty- |d}}Y nw d|� d�i}|�d�D ] }z |�d�\}} W n tyO Y n w | � |�||� |�< q:|�|� q|S ) z�Return a list of parsed link headers proxies. i.e. Link: <http:/.../front.jpeg>; rel=front; type="image/jpeg",<http://.../back.jpeg>; rel=back;type="image/jpeg" :rtype: list z '"z, *<r% r r� ri z<> '"r� )r� r3 r1 r� r� ) r� �links� replace_chars�valri r� �linkr� r� r8 r8 r9 �parse_header_linksR s* � � r6 � r\ rE � c C s� | dd� }|t jt jfv rdS |dd� t jkrdS |dd� t jt jfv r)dS |�t�}|dkr4d S |dkrN|ddd� tkrCd S |d dd� tkrNd S |dkrf|dd� t kr\d S |d d� t krfdS dS )z :rtype: str N� zutf-32r8 z utf-8-sigrE zutf-16r r� z utf-16-ber z utf-16-lez utf-32-bez utf-32-le) r� � BOM_UTF32_LE� BOM_UTF32_BE�BOM_UTF8� BOM_UTF16_LE� BOM_UTF16_BEr �_null�_null2�_null3)�data�sample� nullcountr8 r8 r9 �guess_json_utf} s* rE c C s8 t | |�\}}}}}}|s||}}t||||||f�S )z�Given a URL that may or may not have a scheme, prepend the given scheme. Does not replace a present scheme with the one provided as an argument. :rtype: str )r r )ri � new_schemer% rf r` r� �query�fragmentr8 r8 r9 �prepend_scheme_if_needed� s rI c C s@ t | �}z t|j�t|j�f}W |S ttfy d}Y |S w )z{Given a url with authentication components, extract them into a tuple of username,password. :rtype: (str,str) )r� r� )r r �username�passwordrh r� )ri r �authr8 r8 r9 �get_auth_from_url� s ��rM s ^\S[^\r\n]*$|^$z^\S[^\r\n]*$|^$c C s^ | \}}t |t�r t}nt}z|�|�std| ��W dS ty. td||t|�f ��w )z�Verifies that header value is a string which doesn't contain leading whitespace or return characters. This prevents unintended header injection. :param header: tuple, in the format (name, value). z7Invalid return character or leading space in header: %sz>Value for header {%s: %s} must be of type str or bytes, not %sN)rd r �_CLEAN_HEADER_REGEX_BYTE�_CLEAN_HEADER_REGEX_STRr4 r r� �type)r� rs r� �patr8 r8 r9 �check_header_validity� s � ��rR c C sF t | �\}}}}}}|s||}}|�dd�d }t|||||df�S )zW Given a url remove the fragment and the authentication part. :rtype: str �@r ru r� )r �rsplitr )ri r% rf r` r� rG rH r8 r8 r9 � urldefragauth� s rU c C sV t | jdd�}|dur't| jt�r'z|| j� W dS ttfy& td��w td��)zfMove file pointer back to its recorded starting position so it can be read again on redirect. rD Nz;An error occurred when rewinding request body for redirect.z+Unable to rewind request body for redirect.)rw �bodyrd �_body_positionr rN r0 r )�prepared_request� body_seekr8 r8 r9 � rewind_body� s �rZ )Fr )r, )h�__doc__r� � contextlibrF rH r3 r� r� r� r� rL r} � collectionsr �pip._vendor.urllib3.utilr r r� r �_internal_utilsr �compatr r� r r r r r r r r r r r r r r �cookiesr � structuresr � exceptionsr r r r r_ �where�DEFAULT_CA_BUNDLE_PATH� DEFAULT_PORTSr| r1 r0 �platformr: r> rS rr rz r� �contextmanagerr� r� r� r� r� r� r� r� r� r� r� r� r� r� � frozensetr� r� r� r r� r r r r" r# r+ r- r1 r6 �encoder? r@ rA rE rI rM r� rN rO rR rU rZ r8 r8 r8 r9 �<module> s� @ � ' =9! # %� = &