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3 AL�i� � . @ s� d Z ddlmZmZmZmZ ddlmZmZm Z m Z ddl m Z ddl mZ ddl mZ ddlmZ ddlZddlZddlZdd lmZ ddlZdd lmZ e r�dd l m Z n dd l m Z d d ddddddddddddddgZ d Z d Z!d Z"d Z#d Z$d!Z%d"Z&d#Z'd$Z(d%Z)d&Z*d'Z+d(Z,d)Z-d*Z.d+Z/d,Z0d-Z1d.Z2d/Z3d0Z4d1Z5d2Z6d3Z7d4Z8d5Z9d6Z:d7Z;d8Z<d9Z=d:Z>d;Z?d<Z@d=ZAd>ZBd?ZCd@ZDdAZEdBZFdCZGdDZHdEZIdFZJdGZKdHZLdIZMdJZNdKZOdLZPdMZQdNZRdOZSdPZTdQZUdRZVdSZWdTZXdUZYdVZZdWdXdYdZd[d\d]d^d_d`dadbdcdddedfdgdhdidjdkdldmdndodpdqdrdsdtdudvdwdxdydzd{d|d}d~dd�d�d�d�d��-Z[d�Z\d�Z]d"Z^G d�d�� d�ej_�Z`e`fd�d��Zaeb� ZcG d�d � d ejd�ZeG d�d � d eb�ZfyddlgZgdd�lgmhZh W n eik �r� Y n X G d�d�� d�ef�Zje jkd�� G d�d� del�ZmG d�d� dem�ZnG d�d� dem�ZoG d�d� dem�ZpG d�d� dem�ZqG d�d� dem�ZrG d�d� dem�ZsG d�d� dem�ZtG d�d� det�ZuG d�d� det�ZvG d�d� det�ZwG d�d� dem�ZxG d�d�� d�em�ZyemZzdS )�aD HTTP/1.1 client library A backport of the Python 3.3 http/client.py module for python-future. <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> � )�absolute_import�division�print_function�unicode_literals)�bytes�int�str�super)�PY2)�parser)�message)�create_connectionN)�urlsplit)�array)�Iterable� HTTPResponse�HTTPConnection� HTTPException� NotConnected�UnknownProtocol�UnknownTransferEncoding�UnimplementedFileMode�IncompleteRead� InvalidURL�ImproperConnectionState�CannotSendRequest�CannotSendHeader�ResponseNotReady� BadStatusLine�error� responses�P i� �UNKNOWN�IdlezRequest-startedz Request-sent�d �e �f �� �� �� �� �� �� �� �� �� i, i- i. i/ i0 i1 i3 i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� �ContinuezSwitching Protocols�OK�Created�Acceptedz Non-Authoritative Informationz No Contentz Reset ContentzPartial ContentzMultiple ChoiceszMoved Permanently�Foundz See Otherz Not Modifiedz Use Proxyz(Unused)zTemporary Redirectz Bad Request� UnauthorizedzPayment Required� Forbiddenz Not FoundzMethod Not AllowedzNot Acceptablez Proxy Authentication RequiredzRequest Timeout�Conflict�GonezLength 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 Required)-r$ r% r' r( r) r* r+ r, r- i, i- i. i/ i0 i1 i2 i3 i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i� i i c @ s e Zd Zdd� ZdS )� HTTPMessagec C sn |j � d }t|�}g }d}xL| j� D ]@}|d|� j � |krDd}n|dd� j� sXd}|r&|j|� q&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�n�lst�hit�line� rG �C/root/tmp/pip-build-3x0y2zol/future/future/backports/http/client.py�getallmatchingheaders� s z!HTTPMessage.getallmatchingheadersN)�__name__� __module__� __qualname__rI rG rG rG rH r9 � s r9 c C s~ g }xR| j td �}t|�tkr(td��|j|� t|�tkrJtdt ��|d krP qW td�j|�j d�}t 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� � � z iso-8859-1)�_class)rM rN rO ) �readline�_MAXLINEr= � LineTooLongr@ � _MAXHEADERSr r �join�decode� email_parser�Parser�parsestr)�fprP �headersrF �hstringrG rG rH � parse_headers s r] c s� e Zd Zdeddfdd�Zdd� Zdd� Zd d � Zd d � Z� fd d�Z � fdd�Z dd� Z dd� Z d3� fdd� Z dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� Zd#d$� Zd%d&� Zd4d'd(�Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Z� Z S )5r r Nc C sh |j d�| _|| _|tk r(tjdtd� || _d | _| _ t | _ t | _ t | _ t | _t | _t | _t | _d S )N�rbzithe 'strict' argument isn't supported anymore; http.client now always assumes HTTP/1.x compliant servers.� )�makefilerZ � debuglevel�_strict_sentinel�warnings�warn�DeprecationWarning�_methodr[ �msg�_UNKNOWN�version�status�reason�chunked� chunk_left�length� will_close)rA �sockra �strict�method�urlrG rG rH �__init__* s zHTTPResponse.__init__c C s t | jjtd �d�}t|�tkr*td��| jdkrBtdt|�� |sNt |��y|j d d�\}}}W nF t k r� y|j d d�\}}d}W n t k r� d}Y nX Y nX |j d�s�| j � t |��y$t|�}|d k s�|d kr�t |��W n t k �r t |��Y nX |||fS ) Nr; z iso-8859-1z status liner zreply:r_ � zHTTP/r$ i� )r rZ rQ rR r= rS ra �print�reprr �split� ValueError� startswith� _close_connr )rA rF ri rj rk rG rG rH � _read_statusL s2 zHTTPResponse._read_statusc C s | j d k rd S xh| j� \}}}|tkr(P xJ| jjtd �}t|�tkrNtd��|j� }|s\P | j dkr*t d|� q*W qW | | _ | _ |j� | _ |dkr�d| _n|jd�r�d | _nt|��t| j� | _ | _| j dkr�x | j D ]}t d|d d � q�W | j jd �}|�r |j� d k�r d| _d | _nd| _| j� | _d | _| j jd�}| j jd �}|�r�| j �r�yt|�| _W n tk �r� d | _Y nX | jdk �r�d | _nd | _|t k�s�|t k�s�d| k�o�dk n �s�| j dk�r�d| _| j �r | j �r | jd k�r d| _d S )Nr; z header liner zheader:�HTTP/1.0�HTTP/0.9� zHTTP/1.� � )�endztransfer-encodingrl TFzcontent-lengthr$ r' �HEAD)r} r~ ) r[ r| �CONTINUErZ rQ rR r= rS �stripra rv �coderj rk ri rz r r] rg �getr< rl rm � _check_closero rn r ry � NO_CONTENT� NOT_MODIFIEDrf )rA ri rj rk �skip�hdr�tr_encrn rG rG rH �beginl sf zHTTPResponse.beginc C s� | j jd�}| jdkr:| j jd�}|r6d|j� kr6dS dS | j jd�rJdS |r^d|j� kr^dS | j jd�}|r~d|j� kr~dS dS )N� connectionr� �closeTFz keep-alivezproxy-connection)r[ r� ri r< )rA �conn�pconnrG rG rH r� � s zHTTPResponse._check_closec C s | j }d | _ |j� d S )N)rZ r� )rA rZ rG rG rH r{ � s zHTTPResponse._close_connc s t � j� | jr| j� d S )N)r r� rZ r{ )rA )� __class__rG rH r� � s zHTTPResponse.closec s t � j� | jr| jj� d S )N)r �flushrZ )rA )r� rG rH r� � s zHTTPResponse.flushc C s dS )NTrG )rA rG rG rH �readable� s zHTTPResponse.readablec C s | j dkS )z!True if the connection is closed.N)rZ )rA rG rG rH �isclosed� s zHTTPResponse.isclosedc s� | j d krtd�S | jdkr,| j� td�S |d k rHttt| �j|��S | jrV| j� S | j d krl| j j� }n6y| j | j �}W n t k r� | j� � Y nX d| _ | j� t|�S d S )NrO r� r ) rZ r rf r{ r r �readrl �_readall_chunkedrn � _safe_readr )rA �amt�s)r� rG rH r� � s& zHTTPResponse.readc C s� | j d krdS | jdkr$| j� dS | jr4| j|�S | jd k r^t|�| jkr^t|�d| j� }tr�| j j t|��}t|�}||d |�< n | j j |�}| r�|r�| j� n&| jd k r�| j|8 _| js�| j� |S )Nr r� ) rZ rf r{ rl �_readinto_chunkedrn r= � memoryviewr r� �readinto)rA �b�datarC rG rG rH r� s, zHTTPResponse.readintoc C sp | j jtd �}t|�tkr$td��|jd�}|dkrB|d |� }y t|d�S tk rj | j� � Y nX d S )Nr; z chunk size� ;r � ) rZ rQ rR r= rS �findr ry r{ )rA rF �irG rG rH �_read_next_chunk_sizeA s z"HTTPResponse._read_next_chunk_sizec C s> x8| j jtd �}t|�tkr&td��|s,P |dkrP qW d S )Nr; z trailer line� rN rO )r� rN rO )rZ rQ rR r= rS )rA rF rG rG rH �_read_and_discard_trailerQ s z&HTTPResponse._read_and_discard_trailerc C s� | j tkst�| j}g }xh|d kr`y| j� }|dkr6P W n& tk r^ ttd�j|���Y nX |j | j |�� | j d� d }qW | j � | j � td�j|�S )Nr rO r_ ) rl rh �AssertionErrorrm r� ry r r rU r@ r� r� r{ )rA rm �valuerG rG rH r� _ s" z HTTPResponse._readall_chunkedc C s | j tkst�| j}d}t|�}x�|d krjy| j� }|dkr>P W n( tk rh tt|d|� ���Y nX t |�|k r�| j |�}|| | _|| S t |�|kr�| j |�}| j d� d | _|| S |d|� }| j |�}||d � }||7 }| j d� d }q"W | j � | j � |S )Nr r_ )rl rh r� rm r� r� ry r r r= �_safe_readintor� r� r{ )rA r� rm � total_bytes�mvbrC �temp_mvbrG rG rH r� x s< z HTTPResponse._readinto_chunkedc C s` g }xL|dkrP| j jt|t��}|s8ttd�j|�|��|j|� |t|�8 }qW td�j|�S )aV Read the number of bytes requested, compensating for partial reads. 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If the bytes are truly not available (due to EOF), then the IncompleteRead exception can be used to detect the problem. r rO ) rZ r� �min� MAXAMOUNTr r rU r@ r= )rA r� r� �chunkrG rG rH r� � s zHTTPResponse._safe_readc C s� d}t |�}x�|t|�k r�tt|�k rj|dt� }tr\| jjt|��}t|�}||d|�< q�| jj|�}n6tr�| jjt|��}t|�}||d|�< n | jj|�}|s�tt|d|� �t|���||d� }||7 }qW |S )z2Same as _safe_read, but for reading into a buffer.r N) r� r= r� r rZ r� r� r r )rA r� r� r� r� r� rC rG rG rH r� � s( zHTTPResponse._safe_readintoc C s | j j� S )N)rZ �fileno)rA rG rG rH r� � s zHTTPResponse.filenoc C sH | j d krt� �| j j|�p |}t|t�s6t|d� r:|S dj|�S d S )N�__iter__z, )r[ r �get_all� isinstancer �hasattrrU )rA rB �defaultr[ rG rG rH � getheader� s zHTTPResponse.getheaderc C s | j dkrt� �t| j j� �S )z&Return list of (header, value) tuples.N)r[ r �list�items)rA rG rG rH � getheaders� s zHTTPResponse.getheadersc C s | S )NrG )rA rG rG rH r� � s zHTTPResponse.__iter__c C s | j S )N)r[ )rA rG rG rH �info� s zHTTPResponse.infoc C s | j S )N)rs )rA rG rG rH �geturl� s zHTTPResponse.geturlc C s | j S )N)rj )rA rG rG rH �getcode� s zHTTPResponse.getcode)N)N) rJ rK rL rb rt r| r� r� r{ r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� � __classcell__rG rG )r� rH r ! s0 " P %) c @ s� e Zd ZdZdZeZeZdZ dZ de e j dfdd�Zd(dd �Zd d � Zd d � Zdd� Zdd� Zdd� Zdd� Zdd� Zd)dd�Zd*dd�Zd d � Zd+d d �Zdi fd d!�Zd"d#� Z d$d%� Z d&d'� Z dS ),r r� zHTTP/1.1r; r Nc C sb |t k rtjdtd� || _|| _d | _g | _d | _t | _ d | _ d | _ d | _ i | _| j||� d S )Nzithe 'strict' argument isn't supported anymore; http.client now always assumes HTTP/1.x compliant servers.r_ )rb rc rd re �timeout�source_addressrp �_buffer�_HTTPConnection__response�_CS_IDLE�_HTTPConnection__staterf � _tunnel_host� _tunnel_port�_tunnel_headers� _set_hostport)rA �host�portrq r� r� rG rG rH rt � s zHTTPConnection.__init__c C s& || _ || _|r|| _n | jj� dS )z� Sets up the host and the port for the HTTP CONNECT Tunnelling. The headers argument should be a mapping of extra HTTP headers to send with the CONNECT request. N)r� r� r� �clear)rA r� r� r[ rG rG rH � set_tunnel s zHTTPConnection.set_tunnelc C s� |d kr�|j d�}|j d�}||kr�yt||d d � �}W nH tk r� ||d d � dkrh| j}ntd||d d � ��Y nX |d |� }n| j}|r�|d dkr�|d dkr�|dd � }|| _|| _d S ) Nr: �]r; ru znonnumeric port: '%s'r �[���r� )�rfindr ry � default_portr r� r� )rA r� r� r� �jrG rG rH r� s z HTTPConnection._set_hostportc C s || _ d S )N)ra )rA �levelrG rG rH �set_debuglevel2 s z HTTPConnection.set_debuglevelc C s� | j | j| j� d| j| jf }|jd�}| j|� x6| jj� D ](\}}d||f }|jd�}| j|� q@W | jt d�� | j | j | j d�}|j � \}} } | dkr�| j� tjd| | j� f ��x8|jjtd �} t| �tkr�td ��| s�P | d kr�P q�W d S )NzCONNECT %s:%d HTTP/1.0 �asciiz%s: %s zlatin-1� )rr r' z Tunnel connection failed: %d %sr; z header linerN rO )r� rN rO )r� r� r� r� r� �encode�sendr� r� r �response_classrp rf r| r� �socketr r� rZ rQ rR r= rS ) rA � connect_str� connect_bytes�headerr� � header_str� header_bytes�responseri r� r rF rG rG rH �_tunnel5 s. zHTTPConnection._tunnelc C s, t | j| jf| j| j�| _| jr(| j� dS )z3Connect to the host and port specified in __init__.N)�socket_create_connectionr� r� r� r� rp r� r� )rA rG rG rH �connectQ s zHTTPConnection.connectc C s6 | j r| j j� d| _ | jr,| jj� d| _t| _dS )z(Close the connection to the HTTP server.N)rp r� r� r� r� )rA rG rG rH r� X s zHTTPConnection.closec C s@ | j dkr | jr| j� nt� �| jdkr8tdt|�� d}t|d�r�t|t � r�| jdkrdtd� d}y |j }W n t k r� Y n X d|kr�d }| jdkr�td � x.|j |�}|s�P |r�|j d �}| j j|� q�W dS y| j j|� W nP tk �r: t|t��r&x,|D ]}| j j|� �qW ntd t|� ��Y nX dS ) z�Send `data' to the server. ``data`` can be a string object, a bytes object, an array object, a file-like object that supports a .read() method, or an iterable object. Nr zsend:i r� zsendIng a read()ableFr� Tz encoding file using iso-8859-1z iso-8859-1z9data should be a bytes-like object or an iterable, got %r)rp � auto_openr� r ra rv rw r� r� r �mode�AttributeErrorr� r� �sendall� TypeErrorr �type)rA r� � blocksizer� r� � datablock�drG rG rH r� b sF zHTTPConnection.sendc C s | j j|� dS )zuAdd a line of output to the current request buffer. Assumes that the line does *not* end with \r\n. N)r� r@ )rA r� rG rG rH �_output� s zHTTPConnection._outputc C sj | j jtd�td�f� td�j| j �}| j dd�= t|t�rJ||7 }d}| j|� |dk rf| j|� dS )z�Send the currently buffered request and clear the buffer. Appends an extra \r\n to the buffer. A message_body may be specified, to be appended to the request. rO s N)r� �extendr rU r� r� )rA � message_bodyrg rG rG rH � _send_output� s zHTTPConnection._send_outputc C s| | j r| j j� rd| _ | jtkr(t| _n t| j��|| _|s@d}d||| jf }| j|j d�� | j dk�rx|�sdd}|j d�r�t |�\}}}}}|r�y|j d�}W n t k r� |j d�}Y nX | jd |� n�y| jj d�} W n" t k �r | jj d�} Y nX | jjd �d k�r(td | d �} | j| jk�rD| jd | � n | jd�} | jd d| | jf � |�sx| jdd� n dS )a` Send a request to the server. `method' specifies an HTTP request method, e.g. 'GET'. `url' specifies the object being requested, e.g. '/index.html'. `skip_host' if True does not add automatically a 'Host:' header `skip_accept_encoding' if True does not add automatically an 'Accept-Encoding:' header N�/z%s %s %sr� r� ru �http�idna�Hostr: r � [� ]z%s:%szAccept-Encoding�identity)r� r� r� r� �_CS_REQ_STARTEDr rf � _http_vsn_strr� r� � _http_vsnrz r �UnicodeEncodeError� putheaderr� r� r r� r� rV ) rA rr rs � skip_host�skip_accept_encoding�request�netloc�nil� netloc_enc�host_encrG rG rH � putrequest� sD zHTTPConnection.putrequestc G s� | j tkrt� �t|d�r$|jd�}t|�}xJt|�D ]>\}}t|d�rX|jd�||< q6t|t�r6t |�jd�||< q6W t d�j |�}|t d� | }| j |� dS )zkSend a request header line to the server. For example: h.putheader('Accept', 'text/html') r� r� zlatin-1s s : N) r� r� r r� r� r� � enumerater� r r r rU r� )rA r� �valuesr� � one_valuer� rG rG rH r� $ s zHTTPConnection.putheaderc C s& | j tkrt| _ nt� �| j|� dS )a� Indicate that the last header line has been sent to the server. This method sends the request to the server. The optional message_body argument can be used to pass a message body associated with the request. The message body will be sent in the same packet as the message headers if it is a string, otherwise it is sent as a separate packet. 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If the HTTPConnection is in the correct state, returns an instance of HTTPResponse or of whatever object is returned by class the response_class variable. If a request has not been sent or if a previous response has not be handled, ResponseNotReady is raised. If the HTTP response indicates that the connection should be closed, then it will be closed before the response is returned. When the connection is closed, the underlying socket is closed. 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