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o !��hLu � @ s� d Z ddlZddlZddlZddlmZ ddlmZ ddlm Z ddl m Z m Z m Z mZmZ ddlmZmZmZmZ dd lmZmZmZ dd lmZmZ dd l m Z dd l m Z m Z m!Z! dd l"m#Z#m$Z$m%Z%m&Z& ddl'm(Z( ddl)m*Z* ddl m+Z+m,Z,m-Z-m.Z.m/Z/m0Z0m1Z1 ddl2m3Z3 ddlm4Z4 ej5dkr�zej6Z7W n e8y� ej9Z7Y nw ejZ7efdd�Z:efdd�Z;G dd� de<�Z=G dd� de=�Z>d d � Z?dS ) z� requests.sessions ~~~~~~~~~~~~~~~~~ This module provides a Session object to manage and persist settings across requests (cookies, auth, proxies). � N)� timedelta)� OrderedDict� )�_basic_auth_str)� cookielib�is_py3�urljoin�urlparse�Mapping)�cookiejar_from_dict�extract_cookies_to_jar�RequestsCookieJar� merge_cookies)�Request�PreparedRequest�DEFAULT_REDIRECT_LIMIT)� default_hooks� dispatch_hook)�to_native_string)�to_key_val_list�default_headers� DEFAULT_PORTS)�TooManyRedirects� InvalidSchema�ChunkedEncodingError�ContentDecodingError)�CaseInsensitiveDict)� HTTPAdapter)� requote_uri�get_environ_proxies�get_netrc_auth�should_bypass_proxies�get_auth_from_url� rewind_body�resolve_proxies)�codes)�REDIRECT_STATI�win32c C sp |du r| S | du r |S t |t�rt | t�s| S |t|��}|�t| �� dd� |�� D �}|D ]}||= q0|S )z�Determines appropriate setting for a given request, taking into account the explicit setting on that request, and the setting in the session. If a setting is a dictionary, they will be merged together using `dict_class` Nc S s g | ] \}}|d u r|�qS �N� )�.0�k�vr) r) �?/usr/lib/python3/dist-packages/pip/_vendor/requests/sessions.py� <listcomp>J s z!merge_setting.<locals>.<listcomp>)� isinstancer r �update�items)�request_setting�session_setting� dict_class�merged_setting� none_keys�keyr) r) r- � merge_setting2 s �� r8 c C s@ |du s |� d�g kr | S | du s| � d�g kr|S t| ||�S )z�Properly merges both requests and session hooks. This is necessary because when request_hooks == {'response': []}, the merge breaks Session hooks entirely. N�response)�getr8 )� request_hooks� session_hooksr4 r) r) r- � merge_hooksQ s r= c @ sB e Zd Zdd� Zdd� Z ddd �Zd d � Zd d � Zdd� ZdS )�SessionRedirectMixinc C s, |j r|jd }tr|�d�}t|d�S dS )z7Receives a Response. Returns a redirect URI or ``None``�location�latin1�utf8N)� is_redirect�headersr �encoder )�self�respr? r) r) r- �get_redirect_targetb s z(SessionRedirectMixin.get_redirect_targetc C s� t |�}t |�}|j|jkrdS |jdkr&|jdv r&|jdkr&|jdv r&dS |j|jk}|j|jk}t�|jd�df}|sI|j|v rI|j|v rIdS |pL|S )zFDecide whether Authorization header should be removed when redirectingT�http)�P N�https)i� NFN)r �hostname�scheme�portr r: )rE �old_url�new_url� old_parsed� new_parsed� changed_port�changed_scheme� default_portr) r) r- �should_strip_authw s z&SessionRedirectMixin.should_strip_authFNTc k s@ � g } | � |�} t|j�j} | �r |�� } | �|� | dd� |_z|j W n tt t fy9 |j j dd� Y nw t |j�| jkrLtd�| j�|d��|�� | �d�rdt|j�}d�t|j�| g�} t| �}|jd krv| rv|j| d �}n|jr||j} |�� } |js�t|jt| ��} nt| �} t| �| _| �| |� |j t j t j fvr�d }|D ] }| j �!|d� q�d| _"| j }|�!d d� t#| j$||j � t%| j$| j&� | �'| j$� | �(| |�}| �)| |� | j*duo�d |v p�d|v }|r�t+| � | }|r�|V n | j,|f|||||dd�| ��}t#| j&| |j � | � |�} |V | sdS dS )zBReceives a Response. Returns a generator of Responses or Requests.r NF)�decode_contentzExceeded {} redirects.)r9 z//�:� )�fragment)�Content-Lengthz Content-Type�Transfer-Encoding�CookierZ r[ )�stream�timeout�verify�cert�proxies�allow_redirects)-rG r �urlrY �copy�append�history�contentr r � RuntimeError�raw�read�len� max_redirectsr �format�close� startswith�joinr rL �_replace�geturl�netlocr r �rebuild_method� status_coder% �temporary_redirect�permanent_redirectrC �pop�bodyr �_cookiesr �cookies�prepare_cookies�rebuild_proxies� rebuild_auth�_body_positionr# �send)rE rF �reqr] r^ r_ r` ra �yield_requests�adapter_kwargs�histrc �previous_fragment�prepared_request� parsed_rurl�parsed�purged_headers�headerrC � rewindabler) r) r- �resolve_redirects� s� � � ���� �z&SessionRedirectMixin.resolve_redirectsc C sV |j }|j}d|v r| �|jj|�r|d= | jr t|�nd}|dur)|�|� dS dS )z�When being redirected we may want to strip authentication from the request to avoid leaking credentials. This method intelligently removes and reapplies authentication where possible to avoid credential loss. � AuthorizationN)rC rc rU �request� trust_envr � prepare_auth)rE r� r9 rC rc �new_authr) r) r- r~ � s �z!SessionRedirectMixin.rebuild_authc C s� |j }t|j�j}t||| j�}d|v r|d= z t|| �\}}W n ty. d\}}Y nw |�d�s?|r?|r?t ||�|d< |S )a� This method re-evaluates the proxy configuration by considering the environment variables. If we are redirected to a URL covered by NO_PROXY, we strip the proxy configuration. Otherwise, we set missing proxy keys for this URL (in case they were stripped by a previous redirect). This method also replaces the Proxy-Authorization header where necessary. :rtype: dict zProxy-Authorization�NNrJ ) rC r rc rL r$ r� r" �KeyErrorro r )rE r� ra rC rL � new_proxies�username�passwordr) r) r- r} s �z$SessionRedirectMixin.rebuild_proxiesc C sX |j }|jtjkr|dkrd}|jtjkr|dkrd}|jtjkr'|dkr'd}||_ dS )z�When being redirected we may want to change the method of the request based on certain specs or browser behavior. �HEAD�GET�POSTN)�methodru r% � see_other�found�moved)rE r� r9 r� r) r) r- rt / s z#SessionRedirectMixin.rebuild_method)FNTNNF) �__name__� __module__� __qualname__rG rU r� r~ r} rt r) r) r) r- r> ` s �n r> c @ s� e Zd ZdZg d�Zdd� Zdd� Zdd� Zd d � Z d+d d�Z dd� Z dd� Z dd� Z d,dd�Z d-dd�Zd-dd�Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd S ).�Sessiona� A Requests session. Provides cookie persistence, connection-pooling, and configuration. Basic Usage:: >>> import requests >>> s = requests.Session() >>> s.get('https://httpbin.org/get') <Response [200]> Or as a context manager:: >>> with requests.Session() as s: ... s.get('https://httpbin.org/get') <Response [200]> ) rC r{ �authra �hooks�paramsr_ r` �adaptersr] r� rl c C sr t � | _d | _i | _t� | _i | _d| _d| _d | _ t | _ d| _ t i �| _t� | _| �dt� � | �dt� � d S )NFTzhttps://zhttp://)r rC r� ra r r� r� r] r_ r` r rl r� r r{ r r� �mountr �rE r) r) r- �__init___ s zSession.__init__c C s | S r( r) r� r) r) r- � __enter__� s zSession.__enter__c G s | � � d S r( )rn )rE �argsr) r) r- �__exit__� s zSession.__exit__c C s� |j pi }t|tj�st|�}ttt� | j �|�}|j}| jr)|s)| js)t |j �}t � }|j |j �� |j |j|j|jt|j| jtd�t|j| j�t|| j�|t|j| j�d� |S )a� Constructs a :class:`PreparedRequest <PreparedRequest>` for transmission and returns it. The :class:`PreparedRequest` has settings merged from the :class:`Request <Request>` instance and those of the :class:`Session`. :param request: :class:`Request` instance to prepare with this session's settings. :rtype: requests.PreparedRequest )r4 ) r� rc �files�data�jsonrC r� r� r{ r� )r{ r/ r � CookieJarr r r r� r� r rc r �preparer� �upperr� r� r� r8 rC r r� r= r� )rE r� r{ �merged_cookiesr� �pr) r) r- �prepare_request� s. � � zSession.prepare_requestNTc C sx t |�� ||||p i ||pi ||| d� }| �|�}| p i } | �|j| | ||�}| | d�}|�|� | j|fi |��}|S )ax Constructs a :class:`Request <Request>`, prepares it and sends it. Returns :class:`Response <Response>` object. :param method: method for the new :class:`Request` object. :param url: URL for the new :class:`Request` object. :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`. :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`. :param files: (optional) Dictionary of ``'filename': file-like-objects`` for multipart encoding upload. :param auth: (optional) Auth tuple or callable to enable Basic/Digest/Custom HTTP Auth. :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a :ref:`(connect timeout, read timeout) <timeouts>` tuple. :type timeout: float or tuple :param allow_redirects: (optional) Set to True by default. :type allow_redirects: bool :param proxies: (optional) Dictionary mapping protocol or protocol and hostname to the URL of the proxy. :param stream: (optional) whether to immediately download the response content. Defaults to ``False``. :param verify: (optional) Either a boolean, in which case it controls whether we verify the server's TLS certificate, or a string, in which case it must be a path to a CA bundle to use. Defaults to ``True``. When set to ``False``, requests will accept any TLS certificate presented by the server, and will ignore hostname mismatches and/or expired certificates, which will make your application vulnerable to man-in-the-middle (MitM) attacks. Setting verify to ``False`` may be useful during local development or testing. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response ) r� rc rC r� r� r� r� r� r{ r� )r^ rb )r r� r� �merge_environment_settingsrc r0 r� )rE r� rc r� r� rC r{ r� r� r^ rb ra r� r] r_ r` r� r� �prep�settings� send_kwargsrF r) r) r- r� � s. .� �� zSession.requestc K � |� dd� | jd|fi |��S )z�Sends a GET request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response rb Tr� �� setdefaultr� �rE rc �kwargsr) r) r- r: � z Session.getc K r� )z�Sends a OPTIONS request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response rb T�OPTIONSr� r� r) r) r- �options" r� zSession.optionsc K r� )z�Sends a HEAD request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response rb Fr� r� r� r) r) r- �head- r� z Session.headc K s | j d|f||d�|��S )a� Sends a POST request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param json: (optional) json to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response r� )r� r� �r� )rE rc r� r� r� r) r) r- �post8 s z Session.postc K � | j d|fd|i|��S )au Sends a PUT request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response �PUTr� r� �rE rc r� r� r) r) r- �putE � z Session.putc K r� )aw Sends a PATCH request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param data: (optional) Dictionary, list of tuples, bytes, or file-like object to send in the body of the :class:`Request`. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response �PATCHr� r� r� r) r) r- �patchQ r� z Session.patchc K s | j d|fi |��S )z�Sends a DELETE request. Returns :class:`Response` object. :param url: URL for the new :class:`Request` object. :param \*\*kwargs: Optional arguments that ``request`` takes. :rtype: requests.Response �DELETEr� r� r) r) r- �delete] s zSession.deletec K s� |� d| j� |� d| j� |� d| j� d|vr#t|| j| j�|d< t|t�r,t d��|� dd�}|� d�}|j }| j |jd�}t� }|j|fi |��}t� | } t| d �|_td ||fi |��}|jrt|jD ] } t| j| j| j� qht| j||j� |r�| j||fi |��} d d � | D �} ng } | r�| �d |� | � � }| |_|s�zt| j||fddi|���|_ W n t y� Y nw |s�|j |S )zISend a given PreparedRequest. :rtype: requests.Response r] r_ r` ra z#You can only send PreparedRequests.rb T)rc )�secondsr9 c S s g | ]}|�qS r) r) )r* rF r) r) r- r. � s z Session.send.<locals>.<listcomp>r r� ) r� r] r_ r` r$ ra r� r/ r � ValueErrorrx r: r� � get_adapterrc �preferred_clockr� r �elapsedr rf r r{ r� ri r� �insert�next�_next� StopIterationrg ) rE r� r� rb r] r� �adapter�start�rr� rF �genrf r) r) r- r� g sN � " �z Session.sendc C s� | j r7|dur |�d�nd}t||d�}|�� D ] \}} |�|| � q|du s+|du r7tj�d�p6tj�d�}t|| j�}t|| j �}t|| j �}t|| j �}||||d�S )z^ Check the environment and merge it with some settings. :rtype: dict N�no_proxy)r� T�REQUESTS_CA_BUNDLE�CURL_CA_BUNDLE)r_ ra r] r` ) r� r: r r1 r� �os�environr8 ra r] r_ r` ) rE rc ra r] r_ r` r� � env_proxiesr+ r, r) r) r- r� � s � �z"Session.merge_environment_settingsc C s< | j �� D ]\}}|�� �|�� �r| S qtd�|���)z~ Returns the appropriate connection adapter for the given URL. :rtype: requests.adapters.BaseAdapter z*No connection adapters were found for {!r})r� r1 �lowerro r rm )rE rc �prefixr� r) r) r- r� � s �zSession.get_adapterc C s | j �� D ]}|�� qdS )z+Closes all adapters and as such the sessionN)r� �valuesrn )rE r, r) r) r- rn � s �z Session.closec s> || j � < � fdd�| j D �}|D ] }| j �|�| j |< qdS )zwRegisters a connection adapter to a prefix. Adapters are sorted in descending order by prefix length. c s g | ] }t |�t � �k r|�qS r) )rk )r* r+ �r� r) r- r. � s z!Session.mount.<locals>.<listcomp>N)r� rx )rE r� r� � keys_to_mover7 r) r� r- r� � s �z Session.mountc s � fdd�� j D �}|S )Nc s i | ] }|t � |d ��qS r( )�getattr)r* �attrr� r) r- � <dictcomp>� s z(Session.__getstate__.<locals>.<dictcomp>)� __attrs__)rE �stater) r� r- � __getstate__� s zSession.__getstate__c C s" |� � D ] \}}t| ||� qd S r( )r1 �setattr)rE r� r� �valuer) r) r- � __setstate__� s �zSession.__setstate__)NNNNNNNTNNNNNNr� r( )r� r� r� �__doc__r� r� r� r� r� r� r: r� r� r� r� r� r� r� r� r� rn r� r� r� r) r) r) r- r� F s2 >) �L N r� c C s t � S )aZ Returns a :class:`Session` for context-management. .. deprecated:: 1.0.0 This method has been deprecated since version 1.0.0 and is only kept for backwards compatibility. New code should use :class:`~requests.sessions.Session` to create a session. This may be removed at a future date. :rtype: Session )r� r) r) r) r- �session� s r� )@r� r� �sys�time�datetimer � collectionsr r� r �compatr r r r r r{ r r r r �modelsr r r r� r r �_internal_utilsr �utilsr r r � exceptionsr r r r � structuresr r� r r r r r! r" r# r$ � status_codesr% r& �platform� perf_counterr� �AttributeError�clockr8 r= �objectr> r� r� r) r) r) r- �<module> sF $ � g 6
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