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<intro stuff goes here>
<other stuff, too>
HTTPConnection goes through a number of "states", which define when a client
may legally make another request or fetch the response for a particular
request. This diagram details these state transitions:
(null)
|
| HTTPConnection()
v
Idle
|
| putrequest()
v
Request-started
|
| ( putheader() )* endheaders()
v
Request-sent
|
| response = getresponse()
v
Unread-response [Response-headers-read]
|\____________________
| |
| response.read() | putrequest()
v v
Idle Req-started-unread-response
______/|
/ |
response.read() | | ( putheader() )* endheaders()
v v
Request-started Req-sent-unread-response
|
| response.read()
v
Request-sent
This diagram presents the following rules:
-- a second request may not be started until {response-headers-read}
-- a response [object] cannot be retrieved until {request-sent}
-- there is no differentiation between an unread response body and a
partially read response body
Note: this enforcement is applied by the HTTPConnection class. The
HTTPResponse class does not enforce this state machine, which
implies sophisticated clients may accelerate the request/response
pipeline. Caution should be taken, though: accelerating the states
beyond the above pattern may imply knowledge of the server's
connection-close behavior for certain requests. For example, it
is impossible to tell whether the server will close the connection
UNTIL the response headers have been read; this means that further
requests cannot be placed into the pipeline until it is known that
the server will NOT be closing the connection.
Logical State __state __response
------------- ------- ----------
Idle _CS_IDLE None
Request-started _CS_REQ_STARTED None
Request-sent _CS_REQ_SENT None
Unread-response _CS_IDLE <response_class>
Req-started-unread-response _CS_REQ_STARTED <response_class>
Req-sent-unread-response _CS_REQ_SENT <response_class>
� N)�urlsplit� HTTPResponse�HTTPConnection�
HTTPException� NotConnected�UnknownProtocol�UnknownTransferEncoding�UnimplementedFileMode�IncompleteRead�
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No Contentz
Reset ContentzPartial ContentzMultiple ChoiceszMoved PermanentlyZFoundz See Otherz Not Modifiedz Use Proxyz(Unused)i2 zTemporary Redirectz Bad RequestZ UnauthorizedzPayment RequiredZ Forbiddenz Not FoundzMethod Not AllowedzNot Acceptablez Proxy Authentication RequiredzRequest TimeoutZConflictZGonezLength RequiredzPrecondition FailedzRequest Entity Too LargezRequest-URI Too LongzUnsupported Media Typez Requested Range Not SatisfiablezExpectation FailedzPrecondition RequiredzToo Many Requestsz Request Header Fields Too LargezInternal Server ErrorzNot Implementedz Bad GatewayzService UnavailablezGateway TimeoutzHTTP Version Not Supportedz Network Authentication Requiredi i s [^:\s][^:\r\n]*s \n(?![ \t])|\r(?![ \t\n])ZPATCHZPOSTZPUTc @ s e Z d Z d d � Z d S)� HTTPMessagec C s� | j � d } t | � } g } d } xn | j � D]` } | d | � j � | k r` d } n | d d � j � s d } n | r5 | j | � q5 q5 W| S)a� Find all header lines matching a given header name.
Look through the list of headers and find all lines matching a given
header name (and their continuation lines). A list of the lines is
returned, without interpretation. If the header does not occur, an
empty list is returned. If the header occurs multiple times, all
occurrences are returned. Case is not important in the header name.
�:r N� )�lower�len�keys�isspace�append)�self�name�nZlstZhit�line� r. �0/opt/alt/python34/lib64/python3.4/http/client.py�getallmatchingheaders s
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__module__� __qualname__r0 r. r. r. r/ r" � s r" c C s� g } xz | j t d � } t | � t k r= t d � � n | j | � t | � t k ro t d t � � n | d k r Pq q Wd j | � j d � } t j
j d | � j | � S)
aG Parses only RFC2822 headers from a file pointer.
email Parser wants to see strings rather than bytes.
But a TextIOWrapper around self.rfile would buffer too many bytes
from the stream, bytes which we later need to read as bytes.
So we read the correct bytes here, as bytes, for email Parser
to parse.
r$ z header linezgot more than %d headers�
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z HTTPResponse._readall_chunkedc C s[ | j } d } t | � } x%| d k r~ y | j � } | d k rI Pn Wq~ t k
rz t t | d | � � � � Yq~ Xn t | � | k r� | j | � } | | | _ | | St | � | k r� | j | � } | j d � d | _ | | S| d | � } | j | � } | | d � } | | 7} | j d � d } q W| j � | j
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Normally, we have a blocking socket, but a read() can be interrupted
by a signal (resulting in a partial read).
Note that we cannot distinguish between EOF and an interrupt when zero
bytes have been read. IncompleteRead() will be raised in this
situation.
This function should be used when <amt> bytes "should" be present for
reading. If the bytes are truly not available (due to EOF), then the
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r r6 )r? ru �min� MAXAMOUNTr
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zHTTPResponse._safe_readc C s� d } t | � } x� | t | � k r� t t | � k r^ | d t � } | j j | � } n | j j | � } | s� t t | d | � � t | � � � n | | d � } | | 7} q W| S)z2Same as _safe_read, but for reading into a buffer.r N)r{ r& r� r? r| r
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t j | _ d S)N)�timeout�source_addressrO �_buffer�_HTTPConnection__response�_CS_IDLE�_HTTPConnection__staterE � _tunnel_host� _tunnel_port�_tunnel_headers�
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| j j � d S)aD Set up host and port for HTTP CONNECT tunnelling.
In a connection that uses HTTP CONNECT tunneling, the host passed to the
constructor is used as a proxy server that relays all communication to
the endpoint passed to `set_tunnel`. This done by sending an HTTP
CONNECT request to the proxy server when the connection is established.
This method must be called before the HTML connection has been
established.
The headers argument should be a mapping of extra HTTP headers to send
with the CONNECT request.
z.Can't set up tunnel for established connectionN)rO � RuntimeErrorr� r� r� r� �clear)r* r� r� r@ r. r. r/ �
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f � n | s!| j d d � q!n d S)a` Send a request to the server.
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`url' specifies the object being requested, e.g. '/index.html'.
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`skip_accept_encoding' if True does not add automatically an
'Accept-Encoding:' header
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