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urllib3
connectionpool.pyo
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Z. d d l/ m0 Z0 d d l1 m2 Z2 d d l3 m4 Z4 d d l5 m6 Z6 m7 Z7 e j8 r�d d l9 Z: n e j; j< Z< e j= e> � Z? e@ � ZA d e@ f d � � YZB eC e jD e jE g � ZF d eB e( f d � � YZG d eG f d � � YZH d � ZI d � ZJ d S( i ( t absolute_importN( t errort timeouti ( t ClosedPoolErrort ProtocolErrort EmptyPoolErrort HeaderParsingErrort HostChangedErrort LocationValueErrort MaxRetryErrort ProxyErrort ReadTimeoutErrort SSLErrort TimeoutErrort InsecureRequestWarningt NewConnectionError( t CertificateError( t six( t queue( t port_by_schemet DummyConnectiont HTTPConnectiont HTTPSConnectiont VerifiedHTTPSConnectiont HTTPExceptiont BaseSSLError( t RequestMethods( t HTTPResponse( t is_connection_dropped( t set_file_position( t assert_header_parsing( t Retry( t Timeout( t get_hostt Urlt ConnectionPoolc B@ sM e Z d Z d Z e j Z d d � Z d � Z d � Z d � Z d � Z RS( sz Base class for all connection pools, such as :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`. c C@ sF | s t d � � n t | � j � | _ | j � | _ | | _ d S( Ns No host specified.( R t _ipv6_hostt lowert hostt _proxy_hostt port( t selfR& R( ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt __init__C s c C@ s d t | � j | j | j f S( Ns %s(host=%r, port=%r)( t typet __name__R& R( ( R) ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt __str__K s c C@ s | S( N( ( R) ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt __enter__O s c C@ s | j � t S( N( t closet False( R) t exc_typet exc_valt exc_tb( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt __exit__R s c C@ s d S( sD Close all pooled connections and disable the pool. N( ( R) ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR/ W s N( R, t __module__t __doc__t Nonet schemeR t LifoQueuet QueueClsR* R- R. R4 R/ ( ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR# : s t HTTPConnectionPoolc B@ s� e Z d Z d Z e Z e Z d e e j d e d d d d d � Z d � Z d d � Z d � Z d � Z d � Z d � Z d � Z e e d � Z d � Z d � Z d � Z d d d e e e d d e d d � Z RS( sN Thread-safe connection pool for one host. :param host: Host used for this HTTP Connection (e.g. "localhost"), passed into :class:`httplib.HTTPConnection`. :param port: Port used for this HTTP Connection (None is equivalent to 80), passed into :class:`httplib.HTTPConnection`. :param strict: Causes BadStatusLine to be raised if the status line can't be parsed as a valid HTTP/1.0 or 1.1 status line, passed into :class:`httplib.HTTPConnection`. .. note:: Only works in Python 2. This parameter is ignored in Python 3. :param timeout: Socket timeout in seconds for each individual connection. This can be a float or integer, which sets the timeout for the HTTP request, or an instance of :class:`urllib3.util.Timeout` which gives you more fine-grained control over request timeouts. After the constructor has been parsed, this is always a `urllib3.util.Timeout` object. :param maxsize: Number of connections to save that can be reused. More than 1 is useful in multithreaded situations. If ``block`` is set to False, more connections will be created but they will not be saved once they've been used. :param block: If set to True, no more than ``maxsize`` connections will be used at a time. When no free connections are available, the call will block until a connection has been released. This is a useful side effect for particular multithreaded situations where one does not want to use more than maxsize connections per host to prevent flooding. :param headers: Headers to include with all requests, unless other headers are given explicitly. :param retries: Retry configuration to use by default with requests in this pool. :param _proxy: Parsed proxy URL, should not be used directly, instead, see :class:`urllib3.connectionpool.ProxyManager`" :param _proxy_headers: A dictionary with proxy headers, should not be used directly, instead, see :class:`urllib3.connectionpool.ProxyManager`" :param \**conn_kw: Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`, :class:`urllib3.connection.HTTPSConnection` instances. t httpi c K@ s t j | | | � t j | | � | | _ t | t � sM t j | � } n | d k re t j } n | | _ | | _ | j | � | _ | | _ | | _ | p� i | _ x$ t | � D] } | j j d � q� Wd | _ d | _ | | _ | j r | j j d g � n d S( Ni t socket_options( R# R* R t strictt isinstanceR t from_floatR7 R t DEFAULTR t retriesR: t poolt blockt proxyt proxy_headerst xranget putt num_connectionst num_requestst conn_kwt setdefault( R) R& R( R> R t maxsizeRD t headersRB t _proxyt _proxy_headersRK t _( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR* � s( c C@ se | j d 7_ t j d | j | j � | j d | j d | j d | j j d | j | j � } | S( s9 Return a fresh :class:`HTTPConnection`. i s% Starting new HTTP connection (%d): %sR& R( R R> ( RI t logt debugR& t ConnectionClsR( R t connect_timeoutR> RK ( R) t conn( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _new_conn� s c C@ s� d } y" | j j d | j d | � } WnN t k rJ t | d � � n/ t j k rx | j ry t | d � � qy n X| r� t | � r� t j d | j � | j � t | d d � d k r� d } q� n | p� | j � S( s� Get a connection. Will return a pooled connection if one is available. If no connections are available and :prop:`.block` is ``False``, then a fresh connection is returned. :param timeout: Seconds to wait before giving up and raising :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and :prop:`.block` is ``True``. RD R s Pool is closed.s> Pool reached maximum size and no more connections are allowed.s Resetting dropped connection: %st auto_openi i N( R7 RC t getRD t AttributeErrorR R t EmptyR R RR RS R& R/ t getattrRW ( R) R RV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _get_conn� s " c C@ so y | j j | d t �d SWn7 t k r1 n' t j k rW t j d | j � n X| rk | j � n d S( s� Put a connection back into the pool. :param conn: Connection object for the current host and port as returned by :meth:`._new_conn` or :meth:`._get_conn`. If the pool is already full, the connection is closed and discarded because we exceeded maxsize. If connections are discarded frequently, then maxsize should be increased. If the pool is closed, then the connection will be closed and discarded. RD Ns2 Connection pool is full, discarding connection: %s( RC RH R0 RZ R t FullRR t warningR& R/ ( R) RV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _put_conn� s c C@ s d S( sU Called right before a request is made, after the socket is created. N( ( R) RV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _validate_conn s c C@ s d S( N( ( R) RV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _prepare_proxy! s c C@ sC | t k r | j j � St | t � r2 | j � St j | � Sd S( s< Helper that always returns a :class:`urllib3.util.Timeout` N( t _DefaultR t cloneR? R R@ ( R) R ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _get_timeout% s c C@ s� t | t � r( t | | d | � � n t | d � r_ | j t k r_ t | | d | � � n d t | � k s� d t | � k r� t | | d | � � n d S( sA Is the error actually a timeout? Will raise a ReadTimeout or passs! Read timed out. (read timeout=%s)t errnos timed outs did not complete (read)N( R? t SocketTimeoutR t hasattrRf t _blocking_errnost str( R) t errt urlt timeout_value( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _raise_timeout1 s $c K@ sh | j d 7_ | j | � } | j � | j | _ y | j | � Wn; t t f k r� } | j d | d | d | j � � n X| r� | j | | | � n | j | | | � | j } t | d d � r-| d k r� t | | d | � � n | t j k r| j j t j � � q-| j j | � n yd y | j d t � } WnG t k r�y | j � } Wq�t k r�} t j | d � q�Xn XWn; t t t f k r�} | j d | d | d | � � n Xt | d d � } t j d | j | j | j | | | | j! | j" � y t# | j$ � Wn; t% t f k rc} t j& d | j' | � | d t �n X| S( s Perform a request on a given urllib connection object taken from our pool. :param conn: a connection from one of our connection pools :param timeout: Socket timeout in seconds for the request. This can be a float or integer, which will set the same timeout value for the socket connect and the socket read, or an instance of :class:`urllib3.util.Timeout`, which gives you more fine-grained control over your timeouts. i Rk Rl Rm t socki s! Read timed out. (read timeout=%s)t bufferingt _http_vsn_strs HTTP/?s %s://%s:%s "%s %s %s" %s %ss$ Failed to parse headers (url=%s): %st exc_infoN(( RJ Re t start_connectRU R Ra Rg R Rn t request_chunkedt requestt read_timeoutR\ R7 R R t DEFAULT_TIMEOUTRo t settimeoutt sockett getdefaulttimeoutt getresponset Truet TypeErrort ExceptionR t raise_fromt SocketErrorRR RS R8 R& R( t statust lengthR t msgR R_ t _absolute_url( R) RV t methodRl R t chunkedt httplib_request_kwt timeout_objt eRv t httplib_responset http_versiont hpe( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _make_requestB sT c C@ s+ t d | j d | j d | j d | � j S( NR8 R& R( t path( R" R8 R& R( Rl ( R) R� ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR� � s c C@ sd | j d } | _ y6 x/ t rG | j d t � } | r | j � q q WWn t j k r_ n Xd S( sD Close all pooled connections and disable the pool. RD N( RC R7 R| RY R0 R/ R R[ ( R) t old_poolRV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR/ � s c C@ s� | j d � r t St | � \ } } } t | � j � } | j r\ | r\ t j | � } n( | j r� | t j | � k r� d } n | | | f | j | j | j f k S( sj Check if the given ``url`` is a member of the same host as this connection pool. t /N( t startswithR| R! R$ R% R( R RY R7 R8 R& ( R) Rl R8 R& R( ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt is_same_host� s c K@ sJ | d k r | j } n t | t � sH t j | d | d | j �} n | d k ri | j d t � } n | r� | j | � r� t | | | � � n d } | } | j d k r� | j � } | j | j � n d } t } t | | � } z�y� | j | � } | j d | � } | j | _ | j d k o;t | d d � } | rT| j | � n | j | | | d | d | d | d | �} | s�| n d } | | d <| j j | d | d | d | | �} t } Wn t j k r�t | d � � n� t t t t t! t" t# f k r�} t } t | t! t# f � r>t" | � } nW t | t t$ f � rn| j rnt% d | � } n' t | t t f � r�t d | � } n | j& | | d | d | d t' j( � d �} | j) � | } n XWd | s�| o�| j* � } t } n | r| j+ | � n X| sit, j- d | | | � | j. | | | | | | | d | d | d | d | | �Sd � } | o�| j/ � } | r_| j0 d k r�d } n y" | j& | | d | d | �} Wn+ t1 k r�| j2 r�| | � � n | SX| | � | j3 | � t, j4 d | | � | j. | | | | d | d | d | d | d | d | d | | �St5 | j6 d � � } | j7 | | j0 | � rFy" | j& | | d | d | �} Wn+ t1 k r�| j8 r�| | � � n | SX| | � | j) | � t, j4 d! | � | j. | | | | d | d | d | d | d | d | d | | �S| S(" s� Get a connection from the pool and perform an HTTP request. This is the lowest level call for making a request, so you'll need to specify all the raw details. .. note:: More commonly, it's appropriate to use a convenience method provided by :class:`.RequestMethods`, such as :meth:`request`. .. note:: `release_conn` will only behave as expected if `preload_content=False` because we want to make `preload_content=False` the default behaviour someday soon without breaking backwards compatibility. :param method: HTTP request method (such as GET, POST, PUT, etc.) :param body: Data to send in the request body (useful for creating POST requests, see HTTPConnectionPool.post_url for more convenience). :param headers: Dictionary of custom headers to send, such as User-Agent, If-None-Match, etc. If None, pool headers are used. If provided, these headers completely replace any pool-specific headers. :param retries: Configure the number of retries to allow before raising a :class:`~urllib3.exceptions.MaxRetryError` exception. Pass ``None`` to retry until you receive a response. Pass a :class:`~urllib3.util.retry.Retry` object for fine-grained control over different types of retries. Pass an integer number to retry connection errors that many times, but no other types of errors. Pass zero to never retry. If ``False``, then retries are disabled and any exception is raised immediately. Also, instead of raising a MaxRetryError on redirects, the redirect response will be returned. :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. :param redirect: If True, automatically handle redirects (status codes 301, 302, 303, 307, 308). Each redirect counts as a retry. Disabling retries will disable redirect, too. :param assert_same_host: If ``True``, will make sure that the host of the pool requests is consistent else will raise HostChangedError. When False, you can use the pool on an HTTP proxy and request foreign hosts. :param timeout: If specified, overrides the default timeout for this one request. It may be a float (in seconds) or an instance of :class:`urllib3.util.Timeout`. :param pool_timeout: If set and the pool is set to block=True, then this method will block for ``pool_timeout`` seconds and raise EmptyPoolError if no connection is available within the time period. :param release_conn: If False, then the urlopen call will not release the connection back into the pool once a response is received (but will release if you read the entire contents of the response such as when `preload_content=True`). This is useful if you're not preloading the response's content immediately. You will need to call ``r.release_conn()`` on the response ``r`` to return the connection back into the pool. If None, it takes the value of ``response_kw.get('preload_content', True)``. :param chunked: If True, urllib3 will send the body using chunked transfer encoding. Otherwise, urllib3 will send the body using the standard content-length form. Defaults to False. :param int body_pos: Position to seek to in file-like body in the event of a retry or redirect. Typically this won't need to be set because urllib3 will auto-populate the value when needed. :param \**response_kw: Additional parameters are passed to :meth:`urllib3.response.HTTPResponse.from_httplib` t redirectt defaultt preload_contentR< R Ro t bodyRN R� t request_methodRC t connectionRB s" No pool connections are available.s Cannot connect to proxy.s Connection aborted.R t _poolt _stacktracei Ns1 Retrying (%r) after connection broken by '%r': %st pool_timeoutt release_connt body_posc S@ s: y | j � Wn% t t t t t t f k r5 } n Xd S( N( t readR R R� R R R ( t responseR� ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt drain_and_release_conn� s i/ t GETR� s Redirecting %s -> %st assert_same_hosts Retry-Afters Retry: %s(9 R7 RN R? R t from_intRB RY R| R� R R8 t copyt updateRF R0 R Re R] RU R RE R\ Rb R� t ResponseClst from_httplibR R[ R R R R� R R R R R R t incrementt sysRr t sleepR/ R` RR R_ t urlopent get_redirect_locationR� R t raise_on_redirectt sleep_for_retryRS t boolt getheadert is_retryt raise_on_status( R) R� Rl R� RN RB R� R� R R� R� R� R� t response_kwRV t release_this_connRk t clean_exitR� t is_new_proxy_connR� t response_connR� R� R� t redirect_locationt has_retry_after( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR� � s� ^ ! " " " N( R, R5 R6 R8 R RT R R� R7 R0 R Rw R* RW R] R` Ra Rb Re Rn Rc R� R� R/ R� R| R� ( ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR; b s. : % & U t HTTPSConnectionPoolc B@ s} e Z d Z d Z e Z d e e j d e d d d d d d d d d d d d d � Z d � Z d � Z d � Z d � Z RS( s� Same as :class:`.HTTPConnectionPool`, but HTTPS. When Python is compiled with the :mod:`ssl` module, then :class:`.VerifiedHTTPSConnection` is used, which *can* verify certificates, instead of :class:`.HTTPSConnection`. :class:`.VerifiedHTTPSConnection` uses one of ``assert_fingerprint``, ``assert_hostname`` and ``host`` in this order to verify connections. If ``assert_hostname`` is False, no verification is done. The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``, ``ca_cert_dir``, and ``ssl_version`` are only used if :mod:`ssl` is available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade the connection socket into an SSL socket. t httpsi c K@ s� t j | | | | | | | | | | | | � | rI | d k rI d } n | | _ | | _ | | _ | | _ | | _ | | _ | | _ | | _ d S( Nt CERT_REQUIRED( R; R* R7 t key_filet cert_filet cert_reqst ca_certst ca_cert_dirt ssl_versiont assert_hostnamet assert_fingerprint( R) R& R( R> R RM RD RN RB RO RP R� R� R� R� R� R� R� R� RK ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR* � s c C@ sk t | t � rg | j d | j d | j d | j d | j d | j d | j d | j � | j | _ n | S( s� Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket` and establish the tunnel if proxy is used. R� R� R� R� R� R� R� ( R? R t set_certR� R� R� R� R� R� R� R� ( R) RV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt _prepare_conn s c C@ s� y | j } Wn t k r) | j } n Xt j d k rY | j rY | | j | j � n | | j | j | j � | j � d S( s� Establish tunnel connection early, because otherwise httplib would improperly set Host: header to proxy's IP:port. i i i N( i i i ( t set_tunnelRZ t _set_tunnelR� t version_infoRF R' R( t connect( R) RV R� ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyRb s c C@ s� | j d 7_ t j d | j | j � | j sA | j t k rP t d � � n | j } | j } | j d k r� | j j } | j j } n | j d | d | d | j j d | j | j � } | j | � S( sB Return a fresh :class:`httplib.HTTPSConnection`. i s& Starting new HTTPS connection (%d): %ssC Can't connect to HTTPS URL because the SSL module is not available.R& R( R R> N( RI RR RS R& RT R R R( RE R7 R RU R> RK R� ( R) t actual_hostt actual_portRV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyRW 2 s c C@ sU t t | � j | � t | d d � s5 | j � n | j sQ t j d t � n d S( sU Called right before a request is made, after the socket is created. Ro s� Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warningsN( t superR� Ra R\ R7 R� t is_verifiedt warningst warnR ( R) RV ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyRa J s N( R, R5 R6 R8 R RT R7 R0 R Rw R* R� Rb RW Ra ( ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR� � s c K@ sc t | � \ } } } | p* t j | d � } | d k rL t | d | | �St | d | | �Sd S( s� Given a url, return an :class:`.ConnectionPool` instance of its host. This is a shortcut for not having to parse out the scheme, host, and port of the url before creating an :class:`.ConnectionPool` instance. :param url: Absolute URL string that must include the scheme. Port is optional. :param \**kw: Passes additional parameters to the constructor of the appropriate :class:`.ConnectionPool`. Useful for specifying things like timeout, maxsize, headers, etc. Example:: >>> conn = connection_from_url('http://google.com/') >>> r = conn.request('GET', '/') iP R� R( N( R! R RY R� R; ( Rl t kwR8 R& R( ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt connection_from_url] s c C@ s@ | j d � r< | j d � r< | j d d � j d � } n | S( s' Process IPv6 address literals t [t ]s %25t %s []( R� t endswitht replacet strip( R& ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyR$ y s (K t __future__R Rf t loggingR� R� Ry R R� R Rg t exceptionsR R R R R R R R R R R R R t packages.ssl_match_hostnameR t packagesR t packages.six.movesR R� R R R R R R R Ru R R� R t util.connectionR t util.requestR t util.responseR t util.retryR t util.timeoutR t util.urlR! R" t PY2t Queuet _unused_module_Queuet movesRG t getLoggerR, RR t objectRc R# t sett EAGAINt EWOULDBLOCKRi R; R� R� R$ ( ( ( sF /usr/lib/python2.7/site-packages/pip/_vendor/urllib3/connectionpool.pyt <module> s@ X4 %� � �|
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