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Edit File: utils.cpython-310.pyc
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Unless it can not be represented as such, return an OrderedDict, e.g., :: >>> from_key_val_list([('key', 'val')]) OrderedDict([('key', 'val')]) >>> from_key_val_list('string') Traceback (most recent call last): ... ValueError: cannot encode objects that are not 2-tuples >>> from_key_val_list({'key': 'val'}) OrderedDict([('key', 'val')]) :rtype: OrderedDict N�+cannot encode objects that are not 2-tuples)rg r r �boolr. � ValueErrorr ��valuer; r; r< �from_key_val_list s r� c C s@ | du rdS t | ttttf�rtd��t | t�r | �� } t| �S )a� Take an object and test to see if it can be represented as a dictionary. If it can be, return a list of tuples, e.g., :: >>> to_key_val_list([('key', 'val')]) [('key', 'val')] >>> to_key_val_list({'key': 'val'}) [('key', 'val')] >>> to_key_val_list('string') Traceback (most recent call last): ... ValueError: cannot encode objects that are not 2-tuples :rtype: list Nr� ) rg r r r� r. r� r r> �listr� r; r; r< �to_key_val_list% s r� c C sX g }t | �D ]#}|dd� |dd� krdkr$n nt|dd� �}|�|� q|S )a Parse lists as described by RFC 2068 Section 2. In particular, parse comma-separated lists where the elements of the list may include quoted-strings. A quoted-string could contain a comma. A non-quoted string could have quotes in the middle. Quotes are removed automatically after parsing. It basically works like :func:`parse_set_header` just that items may appear multiple times and case sensitivity is preserved. The return value is a standard :class:`list`: >>> parse_list_header('token, "quoted value"') ['token', 'quoted value'] To create a header from the :class:`list` again, use the :func:`dump_header` function. :param value: a string with a list header. :return: :class:`list` :rtype: list Nr rx �")�_parse_list_header�unquote_header_value�append)r� �result�itemr; r; r< �parse_list_headerC s ( r� c C sx i }t | �D ]3}d|vrd||< q|�dd�\}} | dd� | dd� kr+dkr5n nt| dd� �} | ||< q|S )a^ Parse lists of key, value pairs as described by RFC 2068 Section 2 and convert them into a python dict: >>> d = parse_dict_header('foo="is a fish", bar="as well"') >>> type(d) is dict True >>> sorted(d.items()) [('bar', 'as well'), ('foo', 'is a fish')] If there is no value for a key it will be `None`: >>> parse_dict_header('key_without_value') {'key_without_value': None} To create a header from the :class:`dict` again, use the :func:`dump_header` function. :param value: a string with a dict header. :return: :class:`dict` :rtype: dict �=Nr rx r� )r� r1 r� )r� r� r� rv r; r; r< �parse_dict_headerc s ( r� c C s^ | r-| d | d krdkr-n | S | dd� } |r#| dd� dkr-| � dd�� d d�S | S ) z�Unquotes a header value. 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(This warning should only appear once.)z!<meta.*?charset=["\']*(.+?)["\'>])�flagsz+<meta.*?content=["\']*;?charset=(.+?)["\'>]z$^<\?xml.*?encoding=["\']*(.+?)["\'>])rO rP �DeprecationWarningr3 �compiler5 �findall)�content� charset_re� pragma_re�xml_rer; r; r< �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� rx )r1 �strip�find�lower) �header�tokens� content_type�params� params_dict�items_to_strip�param�keyr� �index_of_equalsr; r; r< �_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)ra r� r� )�headersr� r� r; r; r< �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�getincrementaldecoderrh )�iterator�rr� �decoder�chunk�rvr; r; r< � 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)rC )�string� slice_length�posr; r; r< � 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. 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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_percentr; r; r< � requote_uri\ 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�networkr; r; r< �address_in_networkr 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� r; r; r< r� � s r� c C s( zt �| � W dS t jy Y dS w )z :rtype: bool FT)r� r� �error)� string_ipr; r; r< �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� r; r; r< � 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)rK r` ra )�env_namer� � value_changed� old_valuer; r; r< � 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)rK r` ra �upper)�kr; r; r< �<lambda>� s z'should_bypass_proxies.<locals>.<lambda>N�no_proxyTc s s � | ]}|r|V qd S r r; )rY r6 r; r; r< r[ � s � � �z(should_bypass_proxies.<locals>.<genexpr>� r� �,z:{}F)r �hostnamer2 r1 r� r� r� �portrX �endswithr r r� r� �gaierror) rl r � get_proxy� no_proxy_arg�parsed�proxy_ip�host_with_portr6 �bypassr; r; r< �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 )rl r r; r; r< �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 ra �scheme)rl �proxies�urlparts� proxy_keys�proxy� proxy_keyr; r; r< � 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 )rv r; r; r< �default_user_agent( s r c C s t t� d�d�ddd��S )z9 :rtype: requests.structures.CaseInsensitiveDict z, )�gzip�deflatez*/*z keep-alive)z User-AgentzAccept-Encoding�Accept� Connection)r r r r; r; r; r< �default_headers1 s �r# 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� rl z<> '"r� )r� r3 r1 r� r� ) r� �links� replace_chars�valrl r� �linkr� r� r; r; r< �parse_header_links= s* � � r( � r_ rH � 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-32r* z utf-8-sigrH 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� nullcountr; r; r< �guess_json_utfh s* r7 c C s8 t | |�\}}}}}}|s||}}t||||||f�S )z�Given a URL that may or may not have a scheme, prepend the given scheme. 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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)rg r �_CLEAN_HEADER_REGEX_BYTE�_CLEAN_HEADER_REGEX_STRr4 r r� �type)r� rv r� �patr; r; r< �check_header_validity� s � ��rD c C sF t | �\}}}}}}|s||}}|�dd�d }t|||||df�S )zW Given a url remove the fragment and the authentication part. :rtype: str �@r rx r� )r �rsplitr )rl r ri rc r� r9 r: r; r; r< � urldefragauth� s rG 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. rG Nz;An error occurred when rewinding request body for redirect.z+Unable to rewind request body for redirect.)rz �bodyrg �_body_positionr rQ r0 r )�prepared_request� body_seekr; r; r< � rewind_body� s �rL )Fr )r )b�__doc__r� � contextlibrI rK r3 r� r� �sysr� rO r� � collectionsr 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 rb �where�DEFAULT_CA_BUNDLE_PATH� DEFAULT_PORTS�platformr= rA rV ru r} r� r� r� r� r� r� r� r� r� r� r� r� r� r� � frozensetr� r� r� r� r� r� r� �contextmanagerr r r r r r# r( �encoder1 r2 r3 r7 r; r? r� r@ rA rD rG rL r; r; r; r< �<module> s� @ ' =9 # %� = &