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편집 파일: sessions.cpython-36.pyc
3 �Re�r � @ 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�rVy ej5Z6W n e7k �rR ej8Z6Y nX nejZ6efdd�Z9efdd�Z:G dd� de;�Z<G dd� de<�Z=d d � Z>dS ) z� requests.session ~~~~~~~~~~~~~~~~ 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 st |dkr | S | dkr|S t |t�o*t | t�s0| S |t|��}|jt| �� dd� |j� D �}x|D ] }||= qbW |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 kr|�qS )N� )�.0�k�vr' r' ��/builddir/build/BUILDROOT/alt-python36-pip-20.2.4-5.el8.x86_64/opt/alt/python36/lib/python3.6/site-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 r6 c C s@ |dks|j d�g kr| S | dks0| j 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)�getr6 )� request_hooks� session_hooksr2 r' r' r+ � merge_hooksQ s r; c @ s> e Zd Zdd� Zdd� Zddd �Zd d � Zd d � Zdd� ZdS )�SessionRedirectMixinc C s, |j r(|jd }tr |jd�}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|jkr dS |jdkrL|jdkrL|jdkrL|jd krLdS |j|jk}|j|jk}tj|jd�df}| r�|j|kr�|j|kr�dS |p�|S ) zFDecide whether Authorization header should be removed when redirectingT�http�P N�https� F)rG N)rI N)r �hostname�scheme�portr r8 )rC �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 sR g } | j |�} t|j�j} �x0| �rL|j� } | j|� | dd� |_y |j W n( tt t fk rv |j j dd� Y nX t |j�| jkr�tdj| j�|d��|j� | jd�r�t|j�}djt|j�| g�} t| �}|jd kr�| r�|j| d �}n |jr�|j} |j� } |j�s t|jt| ��} nt| �} t| �| _| j| |� |j t j t j fk�rxd}x |D ]}| j j!|d� �qZW d| _"| j }|j!dd� t#| j$||j � t%| j$| j&� | j'| j$� | j(| |�}| j)| |� | j*dk �o�d |k�p�d |k}|�r�t+| � | }|�r |V q | j,|f|||||dd�| ��}t#| j&| |j � | j |�} |V q W dS )zBReceives a Response. Returns a generator of Responses or Requests.r NF)�decode_contentzExceeded {} redirects.)r7 z//�:� )�fragment�Content-Length� Content-Type�Transfer-Encoding�Cookie)�stream�timeout�verify�cert�proxies�allow_redirects)rY rZ r[ )-rE r �urlrX �copy�append�history�contentr r � RuntimeError�raw�read�len� max_redirectsr �format�close� startswith�joinr rK �_replace�geturl�netlocr r �rebuild_method� status_coder$ �temporary_redirect�permanent_redirectrA �pop�bodyr �_cookiesr �cookies�prepare_cookies�rebuild_proxies� rebuild_auth�_body_positionr# �send)rC rD �reqr] r^ r_ r` ra �yield_requests�adapter_kwargs�histrc �previous_fragment�prepared_request� parsed_rurl�parsed�purged_headers�headerrA � rewindabler' r' r+ �resolve_redirects� sv z&SessionRedirectMixin.resolve_redirectsc C sR |j }|j}d|kr*| j|jj|�r*|d= | jr8t|�nd}|dk rN|j|� 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)rA rc rT �request� trust_envr � prepare_auth)rC r� r7 rA rc �new_authr' r' r+ r~ � s z!SessionRedirectMixin.rebuild_authc C s� |dk r |ni }|j }|j}t|�j}|j� }|jd�}t||d�}| jr~| r~t||d�} | j|| jd��} | r~|j || � d|kr�|d= yt || �\} } W n t k r� d\} } Y nX | 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)r� �allzProxy-Authorization)NN) rA rc r rK rd r8 r! r� r � setdefaultr" �KeyErrorr ) rC r� ra rA rc rK � new_proxiesr� � bypass_proxy�environ_proxies�proxy�username�passwordr' r' r+ r} s* z$SessionRedirectMixin.rebuild_proxiesc C sX |j }|jtjkr |dkr d}|jtjkr6|dkr6d}|jtjkrN|dkrNd}||_ dS )z�When being redirected we may want to change the method of the request based on certain specs or browser behavior. �HEAD�GET�POSTN)�methodru r$ � see_other�found�moved)rC r� r7 r� r' r' r+ rt : s z#SessionRedirectMixin.rebuild_method)FNTNNF) �__name__� __module__� __qualname__rE rT r� r~ r} rt r' r' r' r+ r< ` s m)r< c @ s� e Zd ZdZdddddddd d d d d g Zdd� Zdd� Zdd� Zdd� Zd6dd�Z dd� Z d d � Z d d � Z d7d d!�Z d8d"d#�Zd9d$d%�Zd&d'� Zd(d)� Zd*d+� Zd,d-� Zd.d/� Zd0d1� Zd2d3� Zd4d5� ZdS ):�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]> rA r{ �authra �hooks�paramsr_ r` �adaptersr] r� rl c C sr t � | _d | _i | _t� | _i | _d| _d| _d | _ t | _ d| _ t i �| _t� | _| jdt� � | jdt� � d S )NFTzhttps://zhttp://)r rA r� ra r r� r� r] r_ r` r rl r� r r{ r r� �mountr )rC r' r' r+ �__init__j s zSession.__init__c C s | S )Nr' )rC r' r' r+ � __enter__� s zSession.__enter__c G s | j � d S )N)rn )rC �argsr' r' r+ �__exit__� s zSession.__exit__c C s� |j pi }t|tj�s t|�}ttt� | j �|�}|j}| jrV| rV| j rVt |j �}t � }|j |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� rc �files�data�jsonrA r� r� r{ r� )r{ r- r � CookieJarr r r r� r� r rc r �preparer� �upperr� r� r� r6 rA r r� r; r� )rC r� r{ �merged_cookiesr� �pr' r' r+ �prepare_request� s* zSession.prepare_requestNTc C st t |j� ||||pi ||p i ||| d� }| j|�}| p8i } | j|j| | ||�}| | d�}|j|� | j|f|�}|S )a 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``. :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair. :rtype: requests.Response ) r� rc rA r� r� r� r� r� r{ r� )r^ rb )r r� r� �merge_environment_settingsrc r. r� )rC r� rc r� r� rA r{ r� r� r^ rb ra r� r] r_ r` r� r� �prep�settings� send_kwargsrD r' r' r+ r� � s( ) zSession.requestc K s |j dd� | jd|f|�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� )r� r� )rC rc �kwargsr' r' r+ r8 s z Session.getc K s |j dd� | jd|f|�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 rb T�OPTIONS)r� r� )rC rc r� r' r' r+ �options! s zSession.optionsc K s |j dd� | jd|f|�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 rb Fr� )r� r� )rC rc 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� )r� )rC rc r� r� r� r' r' r+ �post7 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 �PUTr� )r� )rC rc r� r� r' r' r+ �putD 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 �PATCHr� )r� )rC rc r� r� r' r' r+ �patchP s z Session.patchc K s | j d|f|�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 �DELETE)r� )rC rc r� r' r' r+ �delete\ s zSession.deletec K s� |j d| j� |j d| j� |j d| j� |j d| j� t|t�rJtd��|jdd�}|j d�}|j }| j |j d�}t � }|j|f|�}t � | } t| d �|_td ||f|�}|jr�x |jD ]} t| j| j| j� q�W t| j||j� |�r | j||f|�} d d � | D �} ng } | �r0| jd |� | j� }| |_|�spy"t| j||fddi|���|_W n tk �rn Y nX |�s||j |S )zISend a given PreparedRequest. :rtype: requests.Response r] r_ r` ra z#You can only send PreparedRequests.rb T)rc )�secondsr7 c S s g | ]}|�qS r' r' )r( rD r' r' r+ r, � s z Session.send.<locals>.<listcomp>r r� ) r� r] r_ r` ra r- r � ValueErrorrx r8 r� � get_adapterrc �preferred_clockr� r �elapsedr rf r r{ r� ri r� �insert�next�_next� StopIterationrg ) rC r� r� rb r] r� �adapter�start�rr� rD �genrf r' r' r+ r� f sF "z Session.sendc C s� | j rr|dk r|jd�nd}t||d�}x |j� D ]\}} |j|| � q2W |dksZ|dkrrtjjd�pptjjd�}t|| j�}t|| j �}t|| j �}t|| j �}||||d�S )z^ Check the environment and merge it with some settings. :rtype: dict Nr� )r� T�REQUESTS_CA_BUNDLE�CURL_CA_BUNDLE)r_ ra r] r` ) r� r8 r r/ r� �os�environr6 ra r] r_ r` ) rC rc ra r] r_ r` r� � env_proxiesr) r* r' r' r+ r� � s z"Session.merge_environment_settingsc C s@ x,| j j� D ] \}}|j� j|j� �r |S q W tdj|���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� r/ �lowerro r rm )rC rc �prefixr� r' r' r+ r� � s zSession.get_adapterc C s x| j j� D ] }|j� q W dS )z+Closes all adapters and as such the sessionN)r� �valuesrn )rC r* r' r' r+ rn � s z Session.closec sB || j � < � fdd�| j D �}x |D ]}| j j|�| j |< q$W 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' )rk )r( r) )r� r' r+ r, � s z!Session.mount.<locals>.<listcomp>N)r� rx )rC r� r� � keys_to_mover5 r' )r� r+ r� � s z Session.mountc s � fdd�� j D �}|S )Nc s i | ]}t � |d �|�qS )N)�getattr)r( �attr)rC r' r+ � <dictcomp>� s z(Session.__getstate__.<locals>.<dictcomp>)� __attrs__)rC �stater' )rC r+ � __getstate__� s zSession.__getstate__c C s& x |j � D ]\}}t| ||� q W d S )N)r/ �setattr)rC r� r� �valuer' r' r+ � __setstate__� s zSession.__setstate__)NNNNNNNTNNNNNN)NN)N)N)r� r� r� �__doc__r� r� r� r� r� r� r8 r� r� r� r� r� r� r� r� r� rn r� r� r� r' r' r' r+ r� Q s2 7) D 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�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# � status_codesr$ r% �platform� perf_counterr� �AttributeError�clockr6 r; �objectr< r� r� r' r' r' r+ �<module> sB r '