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requests.session
~~~~~~~~~~~~~~~~
This module provides a Session object to manage and persist settings across
requests (cookies, auth, proxies).
i����N( t Mapping( t timedeltai ( t _basic_auth_str( t cookielibt is_py3t OrderedDictt urljoint urlparse( t cookiejar_from_dictt extract_cookies_to_jart RequestsCookieJart
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default_hookst
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DEFAULT_PORTS( t codes( t REDIRECT_STATIt Windowsc C s� | d k r | S| d k r | St | t � o; t | t � sB | S| t | � � } | j t | � � g | j � D] \ } } | d k rt | ^ qt } x | D]
} | | =q� W| S( s� 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`
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c C sZ | d k s! | j d � g k r% | S| d k sF | j d � g k rJ | St | | | � S( s� Properly merges both requests and session hooks.
This is necessary because when request_hooks == {'response': []}, the
merge breaks Session hooks entirely.
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session_hooksR* ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt merge_hooksQ s
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RS( c C s? | j r; | j d } t r. | j d � } n t | d � Sd S( s7 Receives a Response. Returns a redirect URI or ``None``t locationt latin1t utf8N( t is_redirectt headersR t encodeR R$ ( t selft respR7 ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt get_redirect_targetb s
c C s� t | � } t | � } | j | j k r. t S| j d k rn | j d k rn | j d k rn | j d k rn t S| j | j k } | j | j k } t j | j d � d f } | r� | j | k r� | j | k r� t S| p� | S( sF Decide whether Authorization header should be removed when redirectingt httpiP t httpsi� N( iP N( i� N( R t hostnamet Truet schemet portR$ t FalseR R2 ( R= t old_urlt new_urlt
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r�n Xt" | j# | | j � t$ | j# | j% � | j& | j# � | j' | | � } | j( | | � | j) d k oVd | k pVd | k } | rlt* | � n | } | r�| Vq | j+ | d | d | d
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| �} t" | j% | | j � | j | � } | Vq Wd S( sB Receives a Response. Returns a generator of Responses or Requests.i t decode_contents Exceeded %s redirects.R1 s //s %s:%ss Content-Lengths Content-Types Transfer-Encodingt Cookiet streamt timeoutt verifyt certt proxiest allow_redirectsN( s Content-Lengths Content-Types Transfer-Encoding(, R? t copyt appendt historyt contentR R t RuntimeErrort rawt readRF t lent
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startswithR t urlR RD t geturlt netlocR R t rebuild_methodt status_codeR! t temporary_redirectt permanent_redirectR; t popR$ t bodyt KeyErrorR t _cookiesR t cookiest prepare_cookiest rebuild_proxiest rebuild_autht _body_positionR t send( R= R> t reqRQ RR RS RT RU t yield_requestst adapter_kwargst histRb t prepared_requestt parsed_rurlt parsedt purged_headerst headerR; t
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c C s{ | j } | j } d | k r@ | j | j j | � r@ | d =n | j rU t | � n d } | d k rw | j | � n d S( s� 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.
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AuthorizationN( R; Rb RN t requestt trust_envR R$ t prepare_auth( R= Rw R1 R; Rb t new_auth( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyRp � s $
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| | � | d <n | S( s� 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.
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c C s� | j } | j t j k r0 | d k r0 d } n | j t j k rW | d k rW d } n | j t j k r~ | d k r~ d } n | | _ d S( s� When being redirected we may want to change the method of the request
based on certain specs or browser behavior.
t HEADt GETt POSTN( t methodRf R! t see_othert foundt moved( R= Rw R1 R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyRe : s N( t __name__t
__module__R? RN RF R$ RC R} Rp Ro Re ( ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR6 ` s k )t Sessionc B s e Z d Z d d d d d d d d d d
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d! d! d � Z d! d � Z d! d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS(" s~ A Requests session.
Provides cookie persistence, connection-pooling, and configuration.
Basic Usage::
>>> import requests
>>> s = requests.Session()
>>> s.get('http://httpbin.org/get')
<Response [200]>
Or as a context manager::
>>> with requests.Session() as s:
>>> s.get('http://httpbin.org/get')
<Response [200]>
R; Rm t authRU t hookst paramsRS RT t prefetcht adaptersRQ R� R_ c C s� t � | _ d | _ i | _ t � | _ i | _ t | _ t
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| _ t i � | _ t � | _ | j d t � � | j d t � � d S( Ns https://s http://( R R; R$ R� RU R R� R� RF RQ RC RS RT R R_ R� R Rm R R� t mountR ( R= ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __init__j s c C s | S( N( ( R= ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __enter__� s c G s | j � d S( N( R` ( R= t args( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt __exit__� s c C s* | j p i } t | t j � s0 t | � } n t t t � | j � | � } | j } | j r� | r� | j r� t | j
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| S( s� 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
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s� 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, 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� Rb R; R� R� R� R� R� Rm R� RR RV ( R R� R� t merge_environment_settingsRb R& Rr ( R= R� Rb R� R� R; Rm R� R� RR RV RU R� RQ RS RT R� Rs t prept settingst send_kwargsR> ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR � s* )
c K s# | j d t � | j d | | � S( s� 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
RV R� ( R� RC R ( R= Rb t kwargs( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR2 s c K s# | j d t � | j d | | � S( s� 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
RV t OPTIONS( R� RC R ( R= Rb R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt options! s c K s# | j d t � | j d | | � S( s� 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
RV R� ( R� RF R ( R= Rb R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt head, s c K s | j d | d | d | | �S( s� Sends a POST request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary, 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 ( R= Rb R� R� R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt post7 s
c K s | j d | d | | �S( sY Sends a PUT request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:rtype: requests.Response
t PUTR� ( R ( R= Rb R� R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt putC s c K s | j d | d | | �S( s[ Sends a PATCH request. Returns :class:`Response` object.
:param url: URL for the new :class:`Request` object.
:param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`.
:param \*\*kwargs: Optional arguments that ``request`` takes.
:rtype: requests.Response
t PATCHR� ( R ( R= Rb R� R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt patchN s c K s | j d | | � S( s� 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
t DELETE( R ( R= Rb R� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyt deleteY s c
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r�q�Xn | s| j n | S( sI Send a given PreparedRequest.
:rtype: requests.Response
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Check the environment and merge it with some settings.
:rtype: dict
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Returns the appropriate connection adapter for the given URL.
:rtype: requests.adapters.BaseAdapter
s* No connection adapters were found for '%s'N( R� R' t lowerRa R ( R= Rb t prefixR� ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR� � s c C s( x! | j j � D] } | j � q Wd S( s+ Closes all adapters and as such the sessionN( R� t valuesR` ( R= R- ( ( sA /usr/lib/python2.7/site-packages/pip/_vendor/requests/sessions.pyR` � s c C so | | j | <g | j D]$ } t | � t | � k r | ^ q } x' | D] } | j j | � | j | <qH Wd S( sw Registers a connection adapter to a prefix.
Adapters are sorted in descending order by prefix length.
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Returns a :class:`Session` for context-management.
:rtype: Session
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