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models.cpython-36.pyc
3 ��[�� � @ s� d Z ddlZddlZddlZddlmZ ddlmZ ddl m Z ddl m Z m Z mZmZ ddlmZ dd lmZ dd lmZ dd lmZ dd lmZmZmZ dd l m Z m Z m Z m Z m!Z!m"Z"m#Z# ddl$m%Z%m&Z& ddl'm(Z(m)Z)m*Z*m+Z+m,Z,m-Z-m.Z.m/Z/m0Z0m1Z1 ddl2m3Z3m4Z4m5Z5m6Z6m7Z7m8Z8m9Z9m:Z:m;Z;m<Z<m=Z=m>Z> ddl2m?Z@ ddlAmBZB eBjCeBjDeBjEeBjFeBjGfZHdZId!ZJdZKG dd� deL�ZMG dd� deL�ZNG dd � d eN�ZOG d d � d eMeN�ZPG d d � d eL�ZQdS )"z` requests.models ~~~~~~~~~~~~~~~ This module contains the primary objects that power Requests. � N)� RequestField)�encode_multipart_formdata)� parse_url)� DecodeError�ReadTimeoutError� ProtocolError�LocationParseError)�UnsupportedOperation� )� default_hooks)�CaseInsensitiveDict)� HTTPBasicAuth)�cookiejar_from_dict�get_cookie_header�_copy_cookie_jar)� HTTPError� MissingSchema� InvalidURL�ChunkedEncodingError�ContentDecodingError�ConnectionError�StreamConsumedError)�to_native_string�unicode_is_ascii) �guess_filename�get_auth_from_url� requote_uri� stream_decode_response_unicode�to_key_val_list�parse_header_links� iter_slices�guess_json_utf� super_len�check_header_validity) �Callable�Mapping� cookielib� urlunparse�urlsplit� urlencode�str�bytes�is_py2�chardet� builtin_str� basestring)�json)�codes� � i i c @ s0 e Zd Zedd� �Zedd� �Zedd� �ZdS )�RequestEncodingMixinc C sN g }t | j�}|j}|s d}|j|� |j}|rD|jd� |j|� dj|�S )zBuild the path URL to use.�/�?� )r( �url�path�append�query�join)�selfr8 �pr9 r; � r? � /usr/lib/python3.6/models.py�path_url= s z RequestEncodingMixin.path_urlc C s� t | ttf�r| S t| d�r | S t| d�r�g }x|t| �D ]p\}}t |t�sVt|d� r\|g}xJ|D ]B}|dk rb|jt |t�r�|jd�n|t |t�r�|jd�n|f� qbW q8W t|dd�S | S dS )z�Encode parameters in a piece of data. Will successfully encode parameters when passed as a dict or a list of 2-tuples. Order is retained if data is a list of 2-tuples but arbitrary if parameters are supplied as a dict. �read�__iter__Nzutf-8T)Zdoseq) � isinstancer* r+ �hasattrr r/ r: �encoder) )�data�result�kZvs�vr? r? r@ �_encode_paramsR s $ z#RequestEncodingMixin._encode_paramsc C s� | st d��nt|t�r t d��g }t|p,i �}t| p8i �} x�|D ]�\}}t|t�s`t|d� rf|g}x\|D ]T}|dk rlt|t�s�t|�}|jt|t�r�|jd�n|t|t�r�|j d�n|f� qlW qBW x�| D ]�\}}d}d} t|t t f��r.t |�dk�r|\} } n&t |�dk�r |\} } }n |\} } }} nt |��p:|} |} t| tttf��rX| } n(t| d��rn| j� } n| dk�r|q�n| } t|| | | d �} | j|d � |j| � q�W t|�\}}||fS ) a� Build the body for a multipart/form-data request. Will successfully encode files when passed as a dict or a list of tuples. Order is retained if data is a list of tuples but arbitrary if parameters are supplied as a dict. The tuples may be 2-tuples (filename, fileobj), 3-tuples (filename, fileobj, contentype) or 4-tuples (filename, fileobj, contentype, custom_headers). zFiles must be provided.zData must not be a string.rC Nzutf-8� � rB )�namerG �filename�headers)� content_type)� ValueErrorrD r/ r rE r+ r* r: �decoderF �tuple�list�lenr � bytearrayrB r Zmake_multipartr )�filesrG Z new_fieldsZfieldsZfield�valrJ rI ZftZfh�fn�fpZfdataZrf�bodyrQ r? r? r@ � _encode_filesm sP $ z"RequestEncodingMixin._encode_filesN)�__name__� __module__� __qualname__�propertyrA � staticmethodrK r] r? r? r? r@ r4 < s r4 c @ s e Zd Zdd� Zdd� ZdS )�RequestHooksMixinc C sZ || j krtd| ��t|t�r2| j | j|� n$t|d�rV| j | jdd� |D �� dS )zProperly register a hook.z1Unsupported event specified, with event name "%s"rC c s s | ]}t |t�r|V qd S )N)rD r$ )�.0�hr? r? r@ � <genexpr>� s z2RequestHooksMixin.register_hook.<locals>.<genexpr>N)�hooksrR rD r$ r: rE �extend)r= �event�hookr? r? r@ � register_hook� s z RequestHooksMixin.register_hookc C s. y| j | j|� dS tk r( dS X dS )ziDeregister a previously registered hook. Returns True if the hook existed, False if not. TFN)rg �removerR )r= ri rj r? r? r@ �deregister_hook� s z!RequestHooksMixin.deregister_hookN)r^ r_ r` rk rm r? r? r? r@ rc � s rc c @ s* e Zd ZdZd dd�Zdd� Zdd� ZdS ) �Requesta{ A user-created :class:`Request <Request>` object. Used to prepare a :class:`PreparedRequest <PreparedRequest>`, which is sent to the server. :param method: HTTP method to use. :param url: URL to send. :param headers: dictionary of headers to send. :param files: dictionary of {filename: fileobject} files to multipart upload. :param data: the body to attach to the request. If a dictionary or list of tuples ``[(key, value)]`` is provided, form-encoding will take place. :param json: json for the body to attach to the request (if files or data is not specified). :param params: URL parameters to append to the URL. If a dictionary or list of tuples ``[(key, value)]`` is provided, form-encoding will take place. :param auth: Auth handler or (user, pass) tuple. :param cookies: dictionary or CookieJar of cookies to attach to this request. :param hooks: dictionary of callback hooks, for internal usage. Usage:: >>> import requests >>> req = requests.Request('GET', 'https://httpbin.org/get') >>> req.prepare() <PreparedRequest [GET]> Nc C s� |d kr g n|}|d kr g n|}|d kr,i n|}|d kr<i n|}| d krLi n| } t � | _x&t| j� �D ]\} } | j| | d� qfW || _|| _|| _|| _|| _ | | _ || _ || _ || _ d S )N)ri rj )r rg rU �itemsrk �methodr8 rP rX rG r0 �params�auth�cookies) r= rp r8 rP rX rG rq rr rs rg r0 rI rJ r? r? r@ �__init__� s" zRequest.__init__c C s d| j S )Nz<Request [%s]>)rp )r= r? r? r@ �__repr__� s zRequest.__repr__c C s< t � }|j| j| j| j| j| j| j| j| j | j | j d� |S )zXConstructs a :class:`PreparedRequest <PreparedRequest>` for transmission and returns it.) rp r8 rP rX rG r0 rq rr rs rg ) �PreparedRequest�preparerp r8 rP rX rG r0 rq rr rs rg )r= r> r? r? r@ rw � s zRequest.prepare) NNNNNNNNNN)r^ r_ r` �__doc__rt ru rw r? r? r? r@ rn � s rn c @ s� e Zd ZdZdd� Zd dd�Zdd� Zd d � Zd d � Ze d d� �Z dd� Z dd� Z d dd�Z dd� Zd dd�Zdd� Zd d � ZdS )!rv a� The fully mutable :class:`PreparedRequest <PreparedRequest>` object, containing the exact bytes that will be sent to the server. 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Usage:: >>> import requests >>> req = requests.Request('GET', 'https://httpbin.org/get') >>> r = req.prepare() <PreparedRequest [GET]> >>> s = requests.Session() >>> s.send(r) <Response [200]> c C s0 d | _ d | _d | _d | _d | _t� | _d | _d S )N)rp r8 rP �_cookiesr\ r rg �_body_position)r= r? r? r@ rt " s zPreparedRequest.__init__Nc C sR | j |� | j||� | j|� | j|� | j||| � | j||� | j| � dS )z6Prepares the entire request with the given parameters.N)�prepare_method� prepare_url�prepare_headers�prepare_cookies� prepare_body� prepare_auth� prepare_hooks) r= rp r8 rP rX rG rq rr rs rg r0 r? r? r@ rw 3 s zPreparedRequest.preparec C s d| j S )Nz<PreparedRequest [%s]>)rp )r= r? r? r@ ru E s zPreparedRequest.__repr__c C sX t � }| j|_| j|_| jd k r*| jj� nd |_t| j�|_| j|_| j|_| j |_ |S )N) rv rp r8 rP �copyr ry r\ rg rz )r= r> r? r? r@ r� H s zPreparedRequest.copyc C s$ || _ | j dk r t| j j� �| _ dS )z Prepares the given HTTP method.N)rp r �upper)r= rp r? r? r@ r{ S s z PreparedRequest.prepare_methodc C s@ dd l }y|j| dd�jd�} W n |jk r: t�Y nX | S )Nr T)Zuts46zutf-8)�idnarF rS Z IDNAError� UnicodeError)�hostr� r? r? r@ �_get_idna_encoded_hostY s z&PreparedRequest._get_idna_encoded_hostc C s0 t |t�r|jd�}ntr"t|�nt|�}|j� }d|krT|j� jd� rT|| _ dS yt |�\}}}}}}} W n, t k r� } zt | j � �W Y dd} ~ X nX |s�d} | jt|d��} t| ��|s�t d| ��t|��sy| j|�}W n tk �r t d��Y nX n|jd��rt d��|�p"d } | �r2| d 7 } | |7 } |�rP| dt|� 7 } |�sZd }t�r�t |t��rv|jd �}t | t��r�| jd �} t |t��r�|jd �}t |t��r�|jd �}t | t��r�| jd �} t |ttf��r�t|�}| j|�} | �r|�r d || f }n| }tt|| |d|| g��}|| _ dS )z Prepares the given HTTP URL.�utf8�:ZhttpNzDInvalid URL {0!r}: No schema supplied. Perhaps you meant http://{0}?z Invalid URL %r: No host suppliedzURL has an invalid label.�*r7 �@r5 zutf-8z%s&%s)rD r+ rS r, Zunicoder* �lstrip�lower� startswithr8 r r r �args�formatr r r r� r� rF rK r r' )r= r8 rq �schemerr r� Zportr9 r; Zfragment�e�errorZnetlocZ enc_paramsr? r? r@ r| c sh zPreparedRequest.prepare_urlc C s@ t � | _|r<x.|j� D ]"}t|� |\}}|| jt|�< qW dS )z Prepares the given HTTP headers.N)r rP ro r# r )r= rP �headerrN �valuer? r? r@ r} � s z PreparedRequest.prepare_headersc C st d}d}| r8|dk r8d}t j|�}t|t�s8|jd�}tt|d�t|ttt t f� g�}y t |�}W n t t tfk r� d}Y nX |r�|}t|dd�dk r�y|j� | _W n ttfk r� t� | _Y nX |r�td��|r�t|�| jd< n d| jd < np|�r| j||�\}}n2|�rD| j|�}t|t��s:t|d ��r@d}nd }| j|� |�rjd | jk�rj|| jd < || _dS )z"Prepares the given HTTP body data.Nzapplication/jsonzutf-8rC �tellz1Streamed bodies and files are mutually exclusive.zContent-LengthZchunkedzTransfer-EncodingrB z!application/x-www-form-urlencodedz content-typez Content-Type) � complexjson�dumpsrD r+ rF �allrE r/ rU rT r% r" � TypeError�AttributeErrorr �getattrr� rz �IOError�OSError�object�NotImplementedErrorr. rP r] rK �prepare_content_lengthr\ )r= rG rX r0 r\ rQ Z is_stream�lengthr? r? r@ r � sJ z PreparedRequest.prepare_bodyc C sL |dk r$t |�}|rHt|�| jd< n$| jdkrH| jjd�dkrHd| jd< dS )z>Prepare Content-Length header based on request method and bodyNzContent-Length�GET�HEAD�0)r� r� )r" r. rP rp �get)r= r\ r� r? r? r@ r� s z&PreparedRequest.prepare_content_lengthr7 c C sj |dkr"t | j�}t|�r |nd}|rft|t�rDt|�dkrDt|� }|| �}| jj|j� | j | j � dS )z"Prepares the given HTTP auth data.NrL ) r r8 �anyrD rT rV r �__dict__�updater� r\ )r= rr r8 Zurl_auth�rr? r? r@ r� s z PreparedRequest.prepare_authc C s@ t |tj�r|| _n t|�| _t| j| �}|dk r<|| jd< dS )a Prepares the given HTTP cookie data. This function eventually generates a ``Cookie`` header from the given cookies using cookielib. Due to cookielib's design, the header will not be regenerated if it already exists, meaning this function can only be called once for the life of the :class:`PreparedRequest <PreparedRequest>` object. Any subsequent calls to ``prepare_cookies`` will have no actual effect, unless the "Cookie" header is removed beforehand. NZCookie)rD r& Z CookieJarry r r rP )r= rs Z cookie_headerr? r? r@ r~ , s z PreparedRequest.prepare_cookiesc C s* |pg }x |D ]}| j ||| � qW dS )zPrepares the given hooks.N)rk )r= rg ri r? r? r@ r� @ s z PreparedRequest.prepare_hooks) NNNNNNNNNN)N)r7 )r^ r_ r` rx rt rw ru r� r{ rb r� r| r} r r� r� r~ r� r? r? r? r@ rv s V E rv c @ s e Zd ZdZdddddddd d d g Zd d � Zdd� Zdd� Zdd� Zdd� Z dd� Z dd� Z dd� Z d d � Z ed d � �Zed d!� �Zed"d#� �Zed$d%� �Zed&d'� �Zd;d*d+�Zed,d,fd-d.�Zed/d0� �Zed1d2� �Zd3d4� Zed5d6� �Zd7d8� Zd9d:� Z d,S )<�ResponsezhThe :class:`Response <Response>` object, which contains a server's response to an HTTP request. �_content� status_coderP r8 �history�encoding�reasonrs �elapsed�requestc C s^ d| _ d| _d | _d | _t� | _d | _d | _d | _g | _ d | _ t i �| _ t jd�| _d | _d S )NFr )r� �_content_consumed�_nextr� r rP �rawr8 r� r� r� r rs �datetimeZ timedeltar� r� )r= r? r? r@ rt T s zResponse.__init__c C s | S )Nr? )r= r? r? r@ � __enter__� s zResponse.__enter__c G s | j � d S )N)�close)r= r� r? r? r@ �__exit__� s zResponse.__exit__c s � j s � j � fdd�� jD �S )Nc s i | ]}t � |d �|�qS )N)r� )rd �attr)r= r? r@ � <dictcomp>� s z)Response.__getstate__.<locals>.<dictcomp>)r� �content� __attrs__)r= r? )r= r@ � __getstate__� s zResponse.__getstate__c C s> x |j � D ]\}}t| ||� q W t| dd� t| dd � d S )Nr� Tr� )ro �setattr)r= �staterN r� r? r? r@ � __setstate__� s zResponse.__setstate__c C s d| j S )Nz<Response [%s]>)r� )r= r? r? r@ ru � s zResponse.__repr__c C s | j S )ak Returns True if :attr:`status_code` is less than 400. This attribute checks if the status code of the response is between 400 and 600 to see if there was a client error or a server error. If the status code, is between 200 and 400, this will return True. This is **not** a check to see if the response code is ``200 OK``. )�ok)r= r? r? r@ �__bool__� s zResponse.__bool__c C s | j S )ak Returns True if :attr:`status_code` is less than 400. This attribute checks if the status code of the response is between 400 and 600 to see if there was a client error or a server error. If the status code, is between 200 and 400, this will return True. This is **not** a check to see if the response code is ``200 OK``. )r� )r= r? r? r@ � __nonzero__� s zResponse.__nonzero__c C s | j d�S )z,Allows you to use a response as an iterator.� )� iter_content)r= r? r? r@ rC � s zResponse.__iter__c C s& y | j � W n tk r dS X dS )ax Returns True if :attr:`status_code` is less than 400, False if not. 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FT)�raise_for_statusr )r= r? r? r@ r� � s z Response.okc C s d| j ko| jtkS )z�True if this Response is a well-formed HTTP redirect that could have been processed automatically (by :meth:`Session.resolve_redirects`). �location)rP r� �REDIRECT_STATI)r= r? r? r@ � is_redirect� s zResponse.is_redirectc C s d| j ko| jtjtjfkS )z@True if this Response one of the permanent versions of redirect.r� )rP r� r1 Zmoved_permanently�permanent_redirect)r= r? r? r@ �is_permanent_redirect� s z Response.is_permanent_redirectc C s | j S )zTReturns a PreparedRequest for the next request in a redirect chain, if there is one.)r� )r= r? r? r@ �next� s z Response.nextc C s t j| j�d S )z7The apparent encoding, provided by the chardet library.r� )r- Zdetectr� )r= r? r? r@ �apparent_encoding� s zResponse.apparent_encodingr Fc s~ � �fdd�}�j r(t�jt�r(t� �n$� dk rLt� t� rLtdt� � ��t�j� �}|� }�j rh|n|}|rzt |��}|S )a� Iterates over the response data. 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If decode_unicode is True, content will be decoded using the best available encoding based on the response. c 3 s� t �jd�r�y$x �jj� dd�D ] } | V q W W q� tk rZ } zt|��W Y d d }~X q� tk r� } zt|��W Y d d }~X q� tk r� } zt|��W Y d d }~X q�X n x �jj � �} | s�P | V q�W d�_ d S )N�streamT)Zdecode_content) rE r� r� r r r r r r rB r� )�chunkr� )� chunk_sizer= r? r@ �generate� s z'Response.iter_content.<locals>.generateNz.chunk_size must be an int, it is instead a %s.) r� rD r� �boolr �intr� �typer r )r= r� �decode_unicoder� Z reused_chunksZ stream_chunksZchunksr? )r� r= r@ r� � s zResponse.iter_contentNc c s� d}x�| j ||d�D ]r}|dk r(|| }|r8|j|�}n|j� }|rn|d rn|rn|d d |d krn|j� }nd}x|D ] }|V qxW qW |dk r�|V dS )z�Iterates over the response data, one line at a time. When stream=True is set on the request, this avoids reading the content at once into memory for large responses. .. note:: This method is not reentrant safe. N)r� r� r ���r� r� r� )r� �split� splitlines�pop)r= r� r� Z delimiter�pendingr� �lines�liner? r? r@ � iter_lines s $ zResponse.iter_linesc C sV | j dkrJ| jrtd��| jdks,| jdkr4d| _ ndj| jt��pFd| _ d| _| j S )z"Content of the response, in bytes.Fz2The content for this response was already consumedr N� T)r� r� � RuntimeErrorr� r� r< r� �CONTENT_CHUNK_SIZE)r= r? r? r@ r� / s zResponse.contentc C sh d}| j }| jstd�S | j dkr(| j}yt| j|dd�}W n& ttfk rb t| jdd�}Y nX |S )a� Content of the response, in unicode. If Response.encoding is None, encoding will be guessed using ``chardet``. The encoding of the response content is determined based solely on HTTP headers, following RFC 2616 to the letter. If you can take advantage of non-HTTP knowledge to make a better guess at the encoding, you should set ``r.encoding`` appropriately before accessing this property. Nr7 �replace)�errors)r� r� r* r� � LookupErrorr� )r= r� r� r? r? r@ �textC s z Response.textc K sj | j rZ| jrZt| j�dkrZt| j�}|dk rZytj| jj|�f|�S tk rX Y nX tj| jf|�S )z�Returns the json-encoded content of a response, if any. :param \*\*kwargs: Optional arguments that ``json.loads`` takes. :raises ValueError: If the response body does not contain valid json. rM N) r� r� rV r! r� �loadsrS �UnicodeDecodeErrorr� )r= �kwargsr� r? r? r@ r0 i s z Response.jsonc C sJ | j jd�}i }|rFt|�}x(|D ] }|jd�p8|jd�}|||< q"W |S )z8Returns the parsed header links of the response, if any.�linkZrelr8 )rP r� r )r= r� �l�linksr� �keyr? r? r@ r� � s zResponse.linksc C s� d}t | jt�rDy| jjd�}W qJ tk r@ | jjd�}Y qJX n| j}d| j ko^dk n rxd| j|| jf }n,d| j ko�dk n r�d| j|| jf }|r�t|| d ��d S ) z2Raises stored :class:`HTTPError`, if one occurred.r7 zutf-8z iso-8859-1i� i� z %s Client Error: %s for url: %siX z %s Server Error: %s for url: %s)ZresponseN)rD r� r+ rS r� r� r8 r )r= Zhttp_error_msgr� r? r? r@ r� � s zResponse.raise_for_statusc C s0 | j s| jj� t| jdd�}|dk r,|� dS )z�Releases the connection back to the pool. 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