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connectionpool.cpython-39.opt-1.pyc
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Z?dS )" )absolute_importN)errortimeout ) BaseSSLErrorBrokenPipeErrorDummyConnectionHTTPConnection HTTPExceptionHTTPSConnectionVerifiedHTTPSConnectionport_by_scheme) ClosedPoolErrorEmptyPoolErrorHeaderParsingErrorHostChangedErrorInsecureRequestWarningLocationValueError MaxRetryErrorNewConnectionError ProtocolError ProxyErrorReadTimeoutErrorSSLError TimeoutError)six)queue)CertificateError)HTTPHeaderDict)RequestMethods) HTTPResponse)is_connection_dropped) connection_requires_http_tunnel) LifoQueue)set_file_position)assert_header_parsing)Retry)Timeout)Url_encode_target)_normalize_host)get_host parse_urlc @ sB e Zd ZdZdZeZd ddZdd Zdd Z d d Z d d Z dS )ConnectionPoola; Base class for all connection pools, such as :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`. .. note:: ConnectionPool.urlopen() does not normalize or percent-encode target URIs which is useful if your target server doesn't support percent-encoded target URIs. Nc C s0 |s t dt|| jd| _| | _|| _d S )NzNo host specified.scheme)r r+ r0 hostlower _proxy_hostport)selfr1 r4 r6 :/usr/lib/python3.9/site-packages/urllib3/connectionpool.py__init__K s zConnectionPool.__init__c C s dt | j| j| jf S )Nz%s(host=%r, port=%r))type__name__r1 r4 r5 r6 r6 r7 __str__S s zConnectionPool.__str__c C s | S Nr6 r; r6 r6 r7 __enter__V s zConnectionPool.__enter__c C s | dS )NF)close)r5 exc_typeZexc_valZexc_tbr6 r6 r7 __exit__Y s zConnectionPool.__exit__c C s dS )D Close all pooled connections and disable the pool. Nr6 r; r6 r6 r7 r? ^ s zConnectionPool.close)N) r: __module__ __qualname____doc__r0 r$ QueueClsr8 r< r> rA r? r6 r6 r6 r7 r. = s r. c @ s e Zd ZdZdZeZeZdde j dddddddf ddZ dd Z d!d d Z d d Zdd Zdd Zdd Zdd ZedfddZdd Zdd Zd d Zdddd d eddddf d d ZdS )"HTTPConnectionPoola: Thread-safe connection pool for one host. :param host: Host used for this HTTP Connection (e.g. "localhost"), passed into :class:`http.client.HTTPConnection`. :param port: Port used for this HTTP Connection (None is equivalent to 80), passed into :class:`http.client.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:`http.client.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.ProxyManager` :param _proxy_headers: A dictionary with proxy headers, should not be used directly, instead, see :class:`urllib3.ProxyManager` :param \**conn_kw: Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`, :class:`urllib3.connection.HTTPSConnection` instances. httpNFr c K s t | || t| | || _t|ts4t|}|d u rBtj}|| _ || _ | || _ || _ | | _| pli | _| | _t|D ]} | j d q~d| _d| _| | _| jr| jdg | j| jd< | j| jd< d S )Nr Zsocket_optionsproxy proxy_config)r. r8 r strict isinstancer( from_floatr' ZDEFAULTr retriesrF poolblockrI proxy_headersrJ xrangeputnum_connections num_requestsconn_kw setdefault)r5 r1 r4 rK r maxsizerP headersrN _proxy_proxy_headersZ _proxy_configrV _r6 r6 r7 r8 s. zHTTPConnectionPool.__init__c C sR | j d7 _ td| j | j| jp$d | jf | j| j| jj| jd| j }|S )z9 Return a fresh :class:`HTTPConnection`. r z(Starting new HTTP connection (%d): %s:%sZ80)r1 r4 r rK ) rT logdebugr1 r4 ConnectionClsr connect_timeoutrK rV r5 connr6 r6 r7 _new_conn s z HTTPConnectionPool._new_connc C s d}z| j j| j|d}W n> ty6 t| dY n$ tjyX | jrTt| dY n0 |rt|rt d| j | t |dddkrd}|p| S ) a 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``. N)rP r zPool is closed.z>Pool reached maximum size and no more connections are allowed.z Resetting dropped connection: %sZ auto_openr r )rO getrP AttributeErrorr r Emptyr r" r] r^ r1 r? getattrrc )r5 r rb r6 r6 r7 _get_conn s$ z HTTPConnectionPool._get_connc C sZ z| j j|dd W dS ty( Y n" tjyH td| j Y n0 |rV| dS )a 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. FrP Nz2Connection pool is full, discarding connection: %s) rO rS re r ZFullr] warningr1 r? ra r6 r6 r7 _put_conn s z HTTPConnectionPool._put_connc C s dS )U Called right before a request is made, after the socket is created. Nr6 ra r6 r6 r7 _validate_conn7 s z!HTTPConnectionPool._validate_connc C s d S r= r6 ra r6 r6 r7 _prepare_proxy= s z!HTTPConnectionPool._prepare_proxyc C s2 |t u r| j S t|tr$| S t|S dS )z:Helper that always returns a :class:`urllib3.util.Timeout`N)_Defaultr ZclonerL r( rM )r5 r r6 r6 r7 _get_timeoutA s z HTTPConnectionPool._get_timeoutc C sj t |trt| |d| t|dr>|jtv r>t| |d| dt|v sVdt|v rft| |d| dS )zAIs the error actually a timeout? Will raise a ReadTimeout or pass!Read timed out. (read timeout=%s)errnoz timed outzdid not complete (read)N)rL SocketTimeoutr hasattrrr _blocking_errnosstr)r5 errurl timeout_valuer6 r6 r7 _raise_timeoutM s z!HTTPConnectionPool._raise_timeoutc K s| | j d7 _ | |}| |j|_z| | W n< ttfyr } z | j|||jd W Y d}~n d}~0 0 z2|r|j ||fi | n|j ||fi | W nL t y Y n< t y } z$|j t jt jt jhvrނ W Y d}~n d}~0 0 |j} t|ddrL| dkr"t| |d| | tju r@|jt n |j| zjz|jdd} W nT ty z | } W n2 t y } zt |d W Y d}~n d}~0 0 Y n0 W n> ttt fy } z | j||| d W Y d}~n d}~0 0 t|d d } t !d | j"| j#| j$||| | j%| j& zt'| j( W nB t)tfyv } z$t j*d | +|| dd W Y d} ~ n d} ~ 0 0 | S )a 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. r )rw rx ry Nsockr rq T) bufferingZ _http_vsn_strzHTTP/?z%s://%s:%s "%s %s %s" %s %sz$Failed to parse headers (url=%s): %s)exc_info),rU rp Z start_connectr` r rm rs r rz Zrequest_chunkedrequestr IOErrorrr ZEPIPEZ ESHUTDOWNZ EPROTOTYPE read_timeoutrg r r( DEFAULT_TIMEOUTr{ Z settimeoutsocketZgetdefaulttimeoutZ getresponse TypeError BaseExceptionr Z raise_from SocketErrorr] r^ r0 r1 r4 statuslengthr& msgr rj _absolute_url) r5 rb methodrx r chunkedZhttplib_request_kw timeout_objer httplib_responseZ http_versionZhper6 r6 r7 _make_requestf s , z HTTPConnectionPool._make_requestc C s t | j| j| j|djS )N)r0 r1 r4 path)r) r0 r1 r4 rx )r5 r r6 r6 r7 r s z HTTPConnectionPool._absolute_urlc C sT | j du rdS | j d }| _ z |jdd}|r | q W n tjyN Y n0 dS )rB NFri )rO rd r? r rf )r5 Zold_poolrb r6 r6 r7 r? s zHTTPConnectionPool.closec C sx | drdS t|\}}}|dur0t||d}| jrF|sFt|}n| js^|t|kr^d}|||f| j| j| jfkS )zj Check if the given ``url`` is a member of the same host as this connection pool. /TNr/ ) startswithr, r+ r4 r rd r0 r1 )r5 rx r0 r1 r4 r6 r6 r7 is_same_host s z HTTPConnectionPool.is_same_hostTc K sL t |}|j}|du r | j}t|ts8tj||| jd}| du rL| dd} |rf| |sft | ||| drt t |}n t |j}d}| }t| j| j|}|s| }|| j d}d}t|| } zz| |}| j| d}|j|_| jduo t|dd }|r"|r"| | | j ||||||| d }| sD|nd}|| d < | j j |f| ||d | }d}W n t y d}d} Y n t t!t"t#t$t%t&fyF } zd}t|t$t&frt%|}n>t|t"t'fr| jrt(d |}nt|t"t!fr t#d |}|j)|||| t*+ d d}|, |}W Y d}~n d}~0 0 W |sb|o\|- }d}|r| .| n*|s|o|- }d}|r| .| 0 |st/0d||| | j1|||||||f|| | | | d| S |o|2 }|r|j3dkrd}d}t4|5 }z|j)|||| d}W n* t6yR |j7rJ|8 | Y S 0 |8 |9| t/:d|| | j1||||f||||| | | | d| S t;|<d} |=||j3| rHz|j)|||| d}W n* t6y |j>r|8 | Y S 0 |8 |,| t/:d| | j1||||f||||| | | | d| S |S )a+ 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 url: The URL to perform the request on. :param body: Data to send in the request body, either :class:`str`, :class:`bytes`, an iterable of :class:`str`/:class:`bytes`, or a file-like object. :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` N)redirectdefaultZpreload_contentTr Fr r{ )r bodyrY r Zrequest_method)rO connectionrN zCannot connect to proxy.zConnection aborted. )r _poolZ _stacktracez1Retrying (%r) after connection broken by '%r': %s)r pool_timeout release_connr body_posi/ ZGET)responser zRedirecting %s -> %s)rN r assert_same_hostr r r r r z Retry-Afterz Retry: %s)?r- r0 rY rL r' Zfrom_intrN rd r r r r Z ensure_strr* rx r# rI rJ copyupdaterQ r% rp rh r` r rg rn r ResponseClsZ from_httplibr r r r r r r r r r Z incrementsysr} sleepr? rk r] rj urlopenZget_redirect_locationr r Z_prepare_for_method_changer Zraise_on_redirectZ drain_connZsleep_for_retryr^ boolZ getheaderZis_retryZraise_on_status) r5 r rx r rY rN r r r r r r r Z response_kwZ parsed_urlZdestination_schemerb Zrelease_this_connZhttp_tunnel_requiredrw Z clean_exitr Zis_new_proxy_connr Z response_connr r Zredirect_locationZhas_retry_afterr6 r6 r7 r sZ m zHTTPConnectionPool.urlopen)N)r: rC rD rE r0 r r_ r! r r( r r8 rc rh rk rm rn rp rz ro r r r? r r r6 r6 r6 r7 rG i sL ; 6 ' wrG c sp e Zd ZdZdZeZddejdddddddddddddddfddZ dd Z d d Z d d Z fddZ ZS )HTTPSConnectionPoola Same as :class:`.HTTPConnectionPool`, but HTTPS. :class:`.HTTPSConnection` 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``, ``ssl_version``, ``key_password`` 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. httpsNFr c K s` t j| ||||||||| | f i | | | _| | _| | _|| _|| _|| _|| _|| _ || _ d S r= ) rG r8 key_file cert_file cert_reqs key_passwordca_certs ca_cert_dir ssl_versionassert_hostnameassert_fingerprint)r5 r1 r4 rK r rX rP rY rN rZ r[ r r r r r r r r r rV r6 r6 r7 r8 w s0 z HTTPSConnectionPool.__init__c C s@ t |tr<|j| j| j| j| j| j| j| j | j d | j |_ |S )z 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 ) rL r Zset_certr r r r r r r r r ra r6 r6 r7 _prepare_conn s z!HTTPSConnectionPool._prepare_connc C s2 | | j| j| j | jjdkr&d|_| dS )z Establishes a tunnel connection through HTTP CONNECT. Tunnel connection is established early because otherwise httplib would improperly set Host: header to proxy's IP:port. r TN)Z set_tunnelr3 r4 rQ rI r0 Ztls_in_tls_requiredconnectra r6 r6 r7 rn s z"HTTPSConnectionPool._prepare_proxyc C s | j d7 _ td| j | j| jp$d | jr8| jtu r@td| j}| j}| jdurf| jj}| jj}| jf ||| j j | j | j | j | jd| j}| |S )zF Return a fresh :class:`http.client.HTTPSConnection`. r z)Starting new HTTPS connection (%d): %s:%sZ443zCCan't connect to HTTPS URL because the SSL module is not available.N)r1 r4 r rK r r r )rT r] r^ r1 r4 r_ r r rI r r` rK r r r rV r )r5 Z actual_hostZ actual_portrb r6 r6 r7 rc s8 z HTTPSConnectionPool._new_connc s@ t t| | t|dds$| |js<td|j t dS )rl r{ NzUnverified HTTPS request is being made to host '%s'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings) superr rm rg r Z is_verifiedwarningswarnr1 r ra __class__r6 r7 rm s z"HTTPSConnectionPool._validate_conn)r: rC rD rE r0 r r_ r( r r8 r rn rc rm __classcell__r6 r6 r r7 r f s4 1$r c K sR t | \}}}|p t|d}|dkr:t|fd|i|S t|fd|i|S dS )a 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', '/') P r r4 N)r, r rd r rG )rx kwr0 r1 r4 r6 r6 r7 connection_from_url s r c C s. t | |} | dr*| dr*| dd } | S )z? Normalize hosts for comparisons and use with sockets. []r )normalize_hostr endswith)r1 r0 r6 r6 r7 r+ ! s r+ )QZ __future__r rr Zloggingr r r r r r rs r r r r r r r r r exceptionsr r r r r r r r r r r r r Zpackagesr Zpackages.six.movesr Zpackages.ssl_match_hostnamer _collectionsr r~ r r r! Zutil.connectionr" Z util.proxyr# Z util.queuer$ Z util.requestr% Z util.responser& Z util.retryr' Z util.timeoutr( Zutil.urlr) r* r+ r r, r- ZmovesrR Z getLoggerr: r] objectro r. ZEAGAINZ EWOULDBLOCKru rG r r r6 r6 r6 r7 <module> sR ( < )