U
    žV_„r  ã                   @   s   d Z ddlZddlZddlZddlmZ ddlmZ ddlm	Z	 ddl
mZmZmZmZmZ ddlmZmZmZmZ dd	lmZmZmZ dd
lmZmZ ddlmZ ddlmZm Z m!Z! ddl"m#Z#m$Z$m%Z%m&Z& ddl'm(Z( ddl)m*Z* ddlm+Z+m,Z,m-Z-m.Z.m/Z/m0Z0 ddl1m2Z2 ddlm3Z3 ej4dk�rVz
ej5Z6W n e7k
�rR   ej8Z6Y nX nejZ6efdd„Z9efdd„Z:G dd„ de;ƒZ<G dd„ de<ƒZ=dd„ Z>dS )z“
requests.session
~~~~~~~~~~~~~~~~

This module provides a Session object to manage and persist settings across
requests (cookies, auth, proxies).
é    N)Ú	timedelta)ÚOrderedDicté   )Ú_basic_auth_str)Ú	cookielibÚis_py3ÚurljoinÚurlparseÚMapping)Úcookiejar_from_dictÚextract_cookies_to_jarÚRequestsCookieJarÚmerge_cookies)ÚRequestÚPreparedRequestÚDEFAULT_REDIRECT_LIMIT)Údefault_hooksÚdispatch_hook)Úto_native_string)Úto_key_val_listÚdefault_headersÚDEFAULT_PORTS)ÚTooManyRedirectsÚInvalidSchemaÚChunkedEncodingErrorÚContentDecodingError)ÚCaseInsensitiveDict)ÚHTTPAdapter)Úrequote_uriÚget_environ_proxiesÚget_netrc_authÚshould_bypass_proxiesÚget_auth_from_urlÚrewind_body)Úcodes)ÚREDIRECT_STATIÚwin32c                 C   sp   |dkr| S | dkr|S t |tƒr,t | tƒs0| S |t|ƒƒ}| t| ƒ¡ dd„ | ¡ D ƒ}|D ]
}||= q`|S )zèDetermines 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 kr|‘qS ©N© )Ú.0ÚkÚvr(   r(   ú5/tmp/pip-unpacked-wheel-18xsftou/requests/sessions.pyÚ
<listcomp>J   s      z!merge_setting.<locals>.<listcomp>)Ú
isinstancer
   r   ÚupdateÚitems)Úrequest_settingÚsession_settingÚ
dict_classÚmerged_settingÚ	none_keysÚkeyr(   r(   r,   Úmerge_setting2   s    ÿþr7   c                 C   s@   |dks|  d¡g kr| S | dks0|   d¡g kr4|S t| ||ƒS )z©Properly merges both requests and session hooks.

    This is necessary because when request_hooks == {'response': []}, the
    merge breaks Session hooks entirely.
    NÚresponse)Úgetr7   )Úrequest_hooksÚsession_hooksr3   r(   r(   r,   Úmerge_hooksQ   s
    r<   c                   @   s>   e Zd Zdd„ Zdd„ Zddd	„Zd
d„ Zdd„ Zdd„ ZdS )ÚSessionRedirectMixinc                 C   s,   |j r(|jd }tr| d¡}t|dƒS dS )z7Receives a Response. Returns a redirect URI or ``None``ÚlocationÚlatin1Úutf8N)Úis_redirectÚheadersr   Úencoder   )ÚselfÚrespr>   r(   r(   r,   Úget_redirect_targetb   s    


z(SessionRedirectMixin.get_redirect_targetc                 C   sš   t |ƒ}t |ƒ}|j|jkr dS |jdkrL|jdkrL|jdkrL|jdkrLdS |j|jk}|j|jk}t |jd¡df}|s’|j|kr’|j|kr’dS |p˜|S )zFDecide whether Authorization header should be removed when redirectingTÚhttp)éP   NÚhttps)i»  NFN)r	   ÚhostnameÚschemeÚportr   r9   )rD   Úold_urlÚnew_urlÚ
old_parsedÚ
new_parsedÚchanged_portÚchanged_schemeÚdefault_portr(   r(   r,   Úshould_strip_authw   s$    ÿÿÿz&SessionRedirectMixin.should_strip_authFNTc	              
   k   sH  g }
|   |¡}t|jƒj}|�rD| ¡ }|
 |¡ |
dd… |_z
|j W n( tt	t
fk
rr   |jjdd� Y nX t|jƒ| jkr˜td | j¡|d�‚| ¡  | d¡rÈt|jƒ}d t|jƒ|g¡}t|ƒ}|jd	krì|rì|j|d
�}n|jrø|j}| ¡ }|j�st|jt|ƒƒ}nt|ƒ}t|ƒ|_|  ||¡ |jtjtjfk�rpd}|D ]}|j  !|d¡ �qTd|_"|j }| !dd¡ t#|j$||jƒ t%|j$| j&ƒ | '|j$¡ |  (||¡}|  )||¡ |j*dk	�oàd|k�pàd|k}|�rðt+|ƒ |}|�r|V  q| j,|f|||||ddœ|	—Ž}t#| j&||jƒ |   |¡}|V  qdS )zBReceives a Response. Returns a generator of Responses or Requests.r   NF)Údecode_contentzExceeded {} redirects.)r8   z//ú:Ú )Úfragment)úContent-LengthzContent-TypeúTransfer-EncodingÚCookierY   rZ   )ÚstreamÚtimeoutÚverifyÚcertÚproxiesÚallow_redirects)-rF   r	   ÚurlrX   ÚcopyÚappendÚhistoryÚcontentr   r   ÚRuntimeErrorÚrawÚreadÚlenÚmax_redirectsr   ÚformatÚcloseÚ
startswithÚjoinr   rK   Ú_replaceÚgeturlÚnetlocr   r   Úrebuild_methodÚstatus_coder$   Útemporary_redirectÚpermanent_redirectrB   ÚpopÚbodyr   Ú_cookiesr   ÚcookiesÚprepare_cookiesÚrebuild_proxiesÚrebuild_authÚ_body_positionr#   Úsend)rD   rE   Úreqr\   r]   r^   r_   r`   Úyield_requestsÚadapter_kwargsÚhistrb   Úprevious_fragmentÚprepared_requestÚparsed_rurlÚparsedÚpurged_headersÚheaderrB   Ú
rewindabler(   r(   r,   Úresolve_redirects�   s~    





þÿùø
z&SessionRedirectMixin.resolve_redirectsc                 C   sR   |j }|j}d|kr*|  |jj|¡r*|d= | jr8t|ƒnd}|dk	rN| |¡ dS )zéWhen 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.
        ÚAuthorizationN)rB   rb   rT   ÚrequestÚ	trust_envr    Úprepare_auth)rD   r…   r8   rB   rb   Únew_authr(   r(   r,   r}   þ   s    z!SessionRedirectMixin.rebuild_authc                 C   sÖ   |dk	r|ni }|j }|j}t|ƒj}| ¡ }| d¡}t||d�}| jr||s|t||d�}	|	 ||	 d¡¡}
|
r|| 	||
¡ d|krŠ|d= zt
|| ƒ\}}W n tk
rº   d\}}Y nX |rÒ|rÒt||ƒ|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
        NÚno_proxy©r‘   ÚallzProxy-Authorization)NN)rB   rb   r	   rK   rc   r9   r!   rŽ   r   Ú
setdefaultr"   ÚKeyErrorr   )rD   r…   r`   rB   rb   rK   Únew_proxiesr‘   Úbypass_proxyÚenviron_proxiesÚproxyÚusernameÚpasswordr(   r(   r,   r|     s*    


z$SessionRedirectMixin.rebuild_proxiesc                 C   sX   |j }|jtjkr|dkrd}|jtjkr6|dkr6d}|jtjkrN|dkrNd}||_ dS )z‚When being redirected we may want to change the method of the request
        based on certain specs or browser behavior.
        ÚHEADÚGETÚPOSTN)Úmethodrt   r$   Ú	see_otherÚfoundÚmoved)rD   r…   r8   rŸ   r(   r(   r,   rs   :  s    z#SessionRedirectMixin.rebuild_method)FNTNNF)	Ú__name__Ú
__module__Ú__qualname__rF   rT   r‹   r}   r|   rs   r(   r(   r(   r,   r=   `   s           ÿ
n)r=   c                   @   sÌ   e Zd ZdZdddddddd	d
dddgZdd„ Zdd„ Zdd„ Zdd„ Zd6dd„Z	dd„ Z
dd„ Zdd„ Zd7d d!„Zd8d"d#„Zd9d$d%„Zd&d'„ Zd(d)„ Zd*d+„ Zd,d-„ Zd.d/„ Zd0d1„ Zd2d3„ Zd4d5„ ZdS ):Ú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]>
    rB   rz   Úauthr`   ÚhooksÚparamsr^   r_   Úadaptersr\   rŽ   rk   c                 C   sr   t ƒ | _d | _i | _tƒ | _i | _d| _d| _d | _	t
| _d| _ti ƒ| _tƒ | _|  dtƒ ¡ |  dtƒ ¡ d S )NFTzhttps://zhttp://)r   rB   r§   r`   r   r¨   r©   r\   r^   r_   r   rk   rŽ   r   rz   r   rª   Úmountr   ©rD   r(   r(   r,   Ú__init__j  s    
zSession.__init__c                 C   s   | S r'   r(   r¬   r(   r(   r,   Ú	__enter__¡  s    zSession.__enter__c                 G   s   |   ¡  d S r'   )rm   )rD   Úargsr(   r(   r,   Ú__exit__¤  s    zSession.__exit__c                 C   s²   |j pi }t|tjƒst|ƒ}tttƒ | j ƒ|ƒ}|j}| jrR|sR| jsRt	|j
ƒ}tƒ }|j|j ¡ |j
|j|j|jt|j| jtd�t|j| jƒt|| jƒ|t|j| jƒ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
        )r3   )
rŸ   rb   ÚfilesÚdataÚjsonrB   r©   r§   rz   r¨   )rz   r.   r   Ú	CookieJarr   r   r   r§   rŽ   r    rb   r   ÚpreparerŸ   Úupperr±   r²   r³   r7   rB   r   r©   r<   r¨   )rD   r�   rz   Úmerged_cookiesr§   Úpr(   r(   r,   Úprepare_request§  s0    

 ÿ

özSession.prepare_requestNTc                 C   st   t | ¡ ||||pi ||pi |||d�
}|  |¡}|p8i }|  |j||||¡}|	|
dœ}| |¡ | j|f|Ž}|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
        )
rŸ   rb   rB   r±   r²   r³   r©   r§   rz   r¨   )r]   ra   )r   r¶   r¹   Úmerge_environment_settingsrb   r/   r   )rD   rŸ   rb   r©   r²   rB   rz   r±   r§   r]   ra   r`   r¨   r\   r^   r_   r³   r€   ÚprepÚsettingsÚsend_kwargsrE   r(   r(   r,   r�   Ï  s6    )ö
    ÿþ
zSession.requestc                 K   s   |  dd¡ | jd|f|ŽS )zåSends 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
        ra   Tr�   ©r”   r�   ©rD   rb   Úkwargsr(   r(   r,   r9     s    zSession.getc                 K   s   |  dd¡ | jd|f|ŽS )zéSends 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
        ra   TÚOPTIONSr¾   r¿   r(   r(   r,   Úoptions!  s    zSession.optionsc                 K   s   |  dd¡ | jd|f|ŽS )zæSends 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
        ra   Frœ   r¾   r¿   r(   r(   r,   Úhead,  s    zSession.headc                 K   s   | j d|f||dœ|—ŽS )aÈ  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
        rž   )r²   r³   ©r�   )rD   rb   r²   r³   rÀ   r(   r(   r,   Úpost7  s    zSession.postc                 K   s   | j d|fd|i|—Ž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
        ÚPUTr²   rÄ   ©rD   rb   r²   rÀ   r(   r(   r,   ÚputD  s    
zSession.putc                 K   s   | j d|fd|i|—Ž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
        ÚPATCHr²   rÄ   rÇ   r(   r(   r,   ÚpatchP  s    
zSession.patchc                 K   s   | j d|f|ŽS )zèSends 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
        ÚDELETErÄ   r¿   r(   r(   r,   Údelete\  s    zSession.deletec                 K   s|  |  d| j¡ |  d| j¡ |  d| j¡ |  d| j¡ t|tƒrJtdƒ‚| dd¡}| 	d¡}|j
}| j|jd�}tƒ }|j|f|Ž}tƒ | }	t|	d	�|_td
||f|Ž}|jrÒ|jD ]}
t| j|
j|
jƒ qºt| j||jƒ |�r| j||f|Ž}dd„ |D ƒ}ng }|�r,| d|¡ | ¡ }||_|�slz"t| j||fddi|—Žƒ|_W n tk
�rj   Y nX |�sx|j |S )zISend a given PreparedRequest.

        :rtype: requests.Response
        r\   r^   r_   r`   z#You can only send PreparedRequests.ra   T)rb   )Úsecondsr8   c                 S   s   g | ]}|‘qS r(   r(   )r)   rE   r(   r(   r,   r-   ™  s     z Session.send.<locals>.<listcomp>r   r�   )r”   r\   r^   r_   r`   r.   r   Ú
ValueErrorrw   r9   r¨   Úget_adapterrb   Úpreferred_clockr   r   Úelapsedr   re   r   rz   r�   rh   r‹   ÚinsertÚnextÚ_nextÚStopIterationrf   )rD   r�   rÀ   ra   r\   r¨   ÚadapterÚstartÚrrÑ   rE   Úgenre   r(   r(   r,   r   f  sF    



"zSession.sendc           
      C   s¬   | j rn|dk	r| d¡nd}t||d�}| ¡ D ]\}}	| ||	¡ q0|dksV|dkrntj d¡pltj d¡}t|| jƒ}t|| j	ƒ}t|| j
ƒ}t|| jƒ}||||dœS )z^
        Check the environment and merge it with some settings.

        :rtype: dict
        Nr‘   r’   TÚREQUESTS_CA_BUNDLEÚCURL_CA_BUNDLE)r^   r`   r\   r_   )rŽ   r9   r   r0   r”   ÚosÚenvironr7   r`   r\   r^   r_   )
rD   rb   r`   r\   r^   r_   r‘   Úenv_proxiesr*   r+   r(   r(   r,   rº   ±  s     
ÿÿz"Session.merge_environment_settingsc                 C   s@   | j  ¡ D ]"\}}| ¡  | ¡ ¡r
|  S q
td |¡ƒ‚dS )z~
        Returns the appropriate connection adapter for the given URL.

        :rtype: requests.adapters.BaseAdapter
        z*No connection adapters were found for {!r}N)rª   r0   Úlowerrn   r   rl   )rD   rb   ÚprefixrÖ   r(   r(   r,   rÏ   Î  s    
zSession.get_adapterc                 C   s   | j  ¡ D ]}| ¡  q
dS )z+Closes all adapters and as such the sessionN)rª   Úvaluesrm   )rD   r+   r(   r(   r,   rm   Ü  s    zSession.closec                    s>   || j ˆ < ‡ fdd„| j D ƒ}|D ]}| j  |¡| j |< q"dS )zwRegisters a connection adapter to a prefix.

        Adapters are sorted in descending order by prefix length.
        c                    s    g | ]}t |ƒt ˆ ƒk r|‘qS r(   )rj   )r)   r*   ©rà   r(   r,   r-   ç  s      z!Session.mount.<locals>.<listcomp>N)rª   rw   )rD   rà   rÖ   Úkeys_to_mover6   r(   râ   r,   r«   á  s    
zSession.mountc                    s   ‡ fdd„ˆ j D ƒ}|S )Nc                    s   i | ]}|t ˆ |d ƒ“qS r'   )Úgetattr)r)   Úattrr¬   r(   r,   Ú
<dictcomp>í  s      z(Session.__getstate__.<locals>.<dictcomp>)Ú	__attrs__)rD   Ústater(   r¬   r,   Ú__getstate__ì  s    zSession.__getstate__c                 C   s"   |  ¡ D ]\}}t| ||ƒ qd S r'   )r0   Úsetattr)rD   rè   rå   Úvaluer(   r(   r,   Ú__setstate__ð  s    zSession.__setstate__)NNNNNNNTNNNNNN)NN)N)N)r£   r¤   r¥   Ú__doc__rç   r­   r®   r°   r¹   r�   r9   rÂ   rÃ   rÅ   rÈ   rÊ   rÌ   r   rº   rÏ   rm   r«   ré   rì   r(   r(   r(   r,   r¦   Q  s^            ý7)                         ý
G



Kr¦   c                   C   s   t ƒ 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,   Úsessionõ  s    rî   )?rí   rÜ   ÚsysÚtimeÚdatetimer   Úcollectionsr   r§   r   Úcompatr   r   r   r	   r
   rz   r   r   r   r   Úmodelsr   r   r   r¨   r   r   Ú_internal_utilsr   Úutilsr   r   r   Ú
exceptionsr   r   r   r   Ú
structuresr   rª   r   r   r   r    r!   r"   r#   Ústatus_codesr$   r%   ÚplatformÚperf_counterrÐ   ÚAttributeErrorZclockr7   r<   Úobjectr=   r¦   rî   r(   r(   r(   r,   Ú<module>   sB    
 r   '