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sessions.cpython-39.pyc
a /' fzv � @ 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/m0Z0 ddl1m2Z2 ddlm3Z3 ej4dk�rTz ej5Z6W n e7�yP ej8Z6Y n0 nejZ6efdd�Z9efdd�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)�codes)�REDIRECT_STATI�win32c C sp |du r | S | du r|S t |t�r,t | t�s0| S |t|��}|�t| �� dd� |�� D �}|D ] }||= q`|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( �5/usr/lib/python3.9/site-packages/requests/sessions.py� <listcomp>J � z!merge_setting.<locals>.<listcomp>)� isinstancer r �update�items)Zrequest_settingZsession_setting� dict_classZmerged_settingZ none_keys�keyr( r( r, � merge_setting2 s �� r4 c C s@ |du s|� d�g kr| S | du s0| � d�g kr4|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)�getr4 )Z request_hooksZ session_hooksr2 r( r( r, � merge_hooksQ s r7 c @ s> e Zd Zdd� Zdd� Zddd �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)Z is_redirect�headersr �encoder )�self�respr9 r( r( r, �get_redirect_targetb s z(SessionRedirectMixin.get_redirect_targetc C s� t |�}t |�}|j|jkr dS |jdkrL|jdv rL|jdkrL|jdv rLdS |j|jk}|j|jk}t�|jd�df}|s�|j|v r�|j|v r�dS |p�|S )zFDecide whether Authorization header should be removed when redirectingT�http)�P N�https)i� NFN)r �hostname�scheme�portr r6 )r> Zold_urlZnew_urlZ old_parsedZ new_parsedZ changed_portZchanged_schemeZ default_portr( r( r, �should_strip_authw s$ �� �z&SessionRedirectMixin.should_strip_authFNTc k sF g } | � |�} t|j�j} | �rB|�� } | �|� | dd� |_z |j W n& tt t fyp |j j dd� Y n0 t |j�| jkr�td�| j�|d��|�� | �d�r�t|j�}d�t|j�| g�} t| �}|jd kr�| r�|j| d �}n |jr�|j} |�� } |j�st|jt| ��} nt| �} t| �| _| �| |� |j t j t j fv�rnd }|D ]}| j �!|d� �qRd| _"| j }|�!d d� t#| j$||j � t%| j$| j&� | �'| j$� | �(| |�}| �)| |� | j*du�o�d |v �p�d|v }|�r�t+| � | }|�r |V q| j,|f|||||dd�| ��}t#| j&| |j � | � |�} |V qdS )zBReceives a Response. Returns a generator of Responses or Requests.r NF)Zdecode_contentzExceeded {} redirects.)r5 z//�:� )�fragment)�Content-Lengthz Content-Type�Transfer-EncodingZCookierK rL )�stream�timeout�verify�cert�proxies�allow_redirects)-r@ r �urlrJ �copy�append�history�contentr r � RuntimeError�raw�read�len� max_redirectsr �format�close� startswith�joinr rE �_replace�geturl�netlocr r �rebuild_method� status_coder$ Ztemporary_redirectZpermanent_redirectr< �pop�bodyr Z_cookiesr �cookiesZprepare_cookies�rebuild_proxies� rebuild_authZ_body_positionr# �send)r> r? �reqrM rN rO rP rQ �yield_requestsZadapter_kwargsZhistrS Zprevious_fragment�prepared_requestZ parsed_rurl�parsedZpurged_headers�headerr< Z rewindabler( r( r, �resolve_redirects� s~ ���� z&SessionRedirectMixin.resolve_redirectsc C sR |j }|j}d|v r*| �|jj|�r*|d= | jr8t|�nd}|durN|�|� 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. Z AuthorizationN)r< rS rG �request� trust_envr Z prepare_auth)r> rn r5 r< rS Znew_authr( r( r, rj � s z!SessionRedirectMixin.rebuild_authc C s� |dur |ni }|j }|j}t|�j}|�� }|�d�}t||d�}| jr||s|t||d�} | �|| �d��} | r||� || � d|v r�|d= zt || �\} } W n t y� d\} } Y n0 |� 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 N�no_proxy�rt �allzProxy-Authorization)NNrC )r< rS r rE rT r6 r! rs r � setdefaultr" �KeyErrorr_ r ) r> rn rQ r< rS rE Z new_proxiesrt Z bypass_proxyZenviron_proxies�proxy�username�passwordr( r( r, ri s* z$SessionRedirectMixin.rebuild_proxiesc C sX |j }|jtjkr |dkr d}|jtjkr6|dkr6d}|jtjkrN|dkrNd}||_ dS )z�When being redirected we may want to change the method of the request based on certain specs or browser behavior. �HEAD�GET�POSTN)�methodre r$ Z see_other�foundZmoved)r> rn r5 r r( r( r, rd < s z#SessionRedirectMixin.rebuild_method)FNTNNF) �__name__� __module__� __qualname__r@ rG rq rj ri rd r( r( r( r, r8 ` s � n+r8 c @ s� e Zd ZdZg d�Zdd� Zdd� Zdd� Zd d � Zd+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]> ) r< rh �authrQ �hooks�paramsrO rP �adaptersrM rs r\ c C sr t � | _d | _i | _t� | _i | _d| _d| _d | _ t | _ d| _ t i �| _t� | _| �dt� � | �dt� � d S )NFTzhttps://zhttp://)r r< r� rQ r r� r� rM rO rP r r\ rs r rh r r� �mountr �r> r( r( r, �__init__l s zSession.__init__c C s | S r' r( r� r( r( r, � __enter__� s zSession.__enter__c G s | � � d S r' )r^ )r> �argsr( r( r, �__exit__� s zSession.__exit__c C s� |j pi }t|tj�s t|�}ttt� | j �|�}|j}| jrR|sR| jsRt |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 )r2 ) r rS �files�data�jsonr< r� r� rh r� )rh r/ r Z CookieJarr r r r� rs r rS r Zpreparer �upperr� r� r� r4 r< r r� r7 r� )r> rr rh Zmerged_cookiesr� �pr( r( r, �prepare_request� s. � � zSession.prepare_requestNTc C sx t |�� ||||pi ||p i ||| d� }| �|�}| p8i } | �|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 rS r< r� r� r� r� r� rh r� )rN rR )r r� r� �merge_environment_settingsrS r0 rk )r> r rS r� r� r< rh r� r� rN rR rQ r� rM rO rP r� rl ZprepZsettingsZ send_kwargsr? r( r( r, rr � s. .� �� zSession.requestc K s |� 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 rR Tr} �rw rr �r> rS �kwargsr( r( r, r6 $ s z Session.getc K s |� dd� | jd|fi |��S )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 rR TZOPTIONSr� r� r( r( r, �options/ s zSession.optionsc K s |� dd� | jd|fi |��S )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 rR Fr| r� r� r( r( r, �head: s 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� �rr )r> rS r� r� r� r( r( r, �postE s z Session.postc K s | 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 ZPUTr� r� �r> rS r� r� r( r( r, �putR s z Session.putc K s | j d|fd|i|��S )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 ZPATCHr� r� r� r( r( r, �patch^ s 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 ZDELETEr� r� r( r( r, �deletej s zSession.deletec K s� |� d| j� |� d| j� |� d| j� |� d| j� t|t�rJtd��|�dd�}|� d�}|j }| j |j d�}t � }|j|fi |��}t � | } t| d �|_td ||fi |��}|jr�|jD ]} t| j| j| j� q�t| j||j� |�r| j||fi |��} d d � | D �} ng } | �r8| �d |� | �� }| |_|�svz"t| j||fddi|���|_W n t�yt Y n0 |�s�|j |S )zISend a given PreparedRequest. :rtype: requests.Response rM rO rP rQ z#You can only send PreparedRequests.rR T)rS )Zsecondsr5 c S s g | ]}|�qS r( r( )r) r? r( r( r, r- � r. z Session.send.<locals>.<listcomp>r rm ) rw rM rO rP rQ r/ r � ValueErrorrf r6 r� � get_adapterrS �preferred_clockrk r �elapsedr rV r rh rr rY rq �insert�nextZ_next� StopIterationrW ) r> rr r� rR rM r� �adapter�start�rr� r? �genrV r( r( r, rk t sF "z Session.sendc C s� | j rn|dur|�d�nd}t||d�}|�� D ]\}} |�|| � q0|du sV|du rntj�d�pltj�d�}t|| j�}t|| j �}t|| j �}t|| j �}||||d�S )z^ Check the environment and merge it with some settings. :rtype: dict Nrt ru TZREQUESTS_CA_BUNDLEZCURL_CA_BUNDLE)rO rQ rM rP ) rs r6 r r1 rw �os�environr4 rQ rM rO rP ) r> rS rQ rM rO rP rt Z env_proxiesr* r+ r( r( r, r� � s � �z"Session.merge_environment_settingsc C s@ | j �� D ]"\}}|�� �|�� �r | S q td�|���dS )z~ Returns the appropriate connection adapter for the given URL. :rtype: requests.adapters.BaseAdapter z*No connection adapters were found for {!r}N)r� r1 �lowerr_ r r] )r> rS �prefixr� r( r( r, r� � s zSession.get_adapterc C s | j �� D ] }|�� q dS )z+Closes all adapters and as such the sessionN)r� �valuesr^ )r> r+ r( r( r, r^ � s z Session.closec s> || j � < � fdd�| j D �}|D ]}| j �|�| j |< q"dS )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( )r[ )r) r* �r� r( r, r- � r. z!Session.mount.<locals>.<listcomp>N)r� rf )r> r� r� Z keys_to_mover3 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>� r. z(Session.__getstate__.<locals>.<dictcomp>)� __attrs__)r> �stater( r� r, � __getstate__� s zSession.__getstate__c C s" |� � D ]\}}t| ||� qd S r' )r1 �setattr)r> r� r� �valuer( r( r, � __setstate__� s zSession.__setstate__)NNNNNNNTNNNNNN)NN)N)N)r� r� r� �__doc__r� r� r� r� r� rr r6 r� r� r� r� r� r� rk r� r� r^ r� r� r� r( r( r( r, r� S s0 >) � L K 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�timeZdatetimer � collectionsr r� r �compatr r r r r rh r r r r Zmodelsr r r r� r r Z_internal_utilsr Zutilsr r r � exceptionsr r r r Z structuresr r� r r r r r! r" r# Z status_codesr$ r% �platform� perf_counterr� �AttributeErrorZclockr4 r7 �objectr8 r� r� r( r( r( r, �<module> sB t 3
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