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awsrequest.cpython-310.pyc
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This when mixed with a subclass of httplib.HTTPConnection (though technically we subclass from urllib3, which subclasses httplib.HTTPConnection) and we only override this class to support Expect 100-continue, which we need for S3. As far as I can tell, this is general purpose enough to not be specific to S3, but I'm being tentative and keeping it in botocore because I've only tested this against AWS services. c s. t t| �j|i |�� | j| _d| _d| _d S �NF)�superr r �response_class�_original_response_cls�_response_received�_expect_header_setr �� __class__r r r @ s zAWSConnection.__init__c s& t t| ��� d| _d| _| j| _d S r )r! r �closer$ r% r# r" �r r& r r r( N s zAWSConnection.closec sZ d| _ |�dd�dkrd| _nd| _| j| _tt| �j||||g|�R i |��}d| _|S )NF�Expect� s 100-continueT)r$ �getr% r# r" r! r � _send_request)r �method�url�body�headersr r �rvalr& r r r- U s ���zAWSConnection._send_requestc C sD g }|D ]}t |tj�r|�|�d�� q|�|� qd�|�}|S )N�utf-8� )� isinstancer � text_type�append�encode�join)r � mixed_buffer� bytes_buffer�chunk�msgr r r �_convert_to_bytesa s z AWSConnection._convert_to_bytesNc O s� | j �d� | �| j �}| j d d �= t|t�r ||7 }d }| �|� | jr>t�d� t j � | j d�r9| � |� d S t�d� |d urI| �|� d S d S )N)r+ r+ z"Waiting for 100 Continue response.� zCNo response seen from server, continuing to send the response body.)�_buffer�extendr> r5 �bytes�sendr% �logger�debug�urllib3�util� wait_for_read�sock�_handle_expect_response)r � message_bodyr r r= r r r � _send_outputn s �zAWSConnection._send_outputc C s$ d }|dkr|� � }|dksd S d S )Nr4 )�readline)r �fp�currentr r r �_consume_headers� s �z AWSConnection._consume_headersc C s� | j �dd�}zm|�� }|�d d�}| �|�r'| �|� t�d� | �|� n@t |�dkr`|d � d�rnt�d� |d � d�t |d �|d � d�f}t jt|d �}|| _d | _W |�� d S W |�� d S W |�� d S W |�� d S |�� w ) N�rbr � z5100 Continue response seen, now sending request body.� � HTTP/zOReceived a non 100 Continue response from the server, NOT sending request body.�asciir? )r T)rI �makefilerM �split�_is_100_continue_statusrP rD rE �_send_message_body�len� startswith�decode�int� functools�partialr r" r$ r( )r rK rN �maybe_status_line�partsr r" r r r rJ � s2 �� � � �z%AWSConnection._handle_expect_responsec C s |d ur | � |� d S d S r )rC )r rK r r r rY � s �z AWSConnection._send_message_bodyc s$ | j r t�d� d S tt| ��|�S )Nz@send() called, but reseponse already received. Not sending data.)r$ rD rE r! r rC )r �strr& r r rC � s zAWSConnection.sendc C s2 |� d d�}t|�dko|d �d�o|d dkS )NrR rS r rT r? s 100)rW rZ r[ )r r` ra r r r rX � s � �z%AWSConnection._is_100_continue_statusr )r r r �__doc__r r( r- r> rL rP rJ rY rC rX � __classcell__r r r& r r 4 s $ % r c @ � e Zd ZdZdS )�AWSHTTPConnectionz8 An HTTPConnection that supports 100 Continue behavior. N�r r r rc r r r r rf � � rf c @ re )�AWSHTTPSConnectionz9 An HTTPSConnection that supports 100 Continue behavior. Nrg r r r r ri � rh ri c @ � e Zd ZeZdS )�AWSHTTPConnectionPoolN)r r r rf � ConnectionClsr r r r rk � rh rk c @ rj )�AWSHTTPSConnectionPoolN)r r r ri rl r r r r rm � rh rm c C s� | }|dur|d }||d< |� d�}t||d |�}|d r:tjj}||d �} d|vr4|d| 7 }n|d | 7 }||d < ||d < |du rLi |d < dS dS ) a; This method prepares a request dict to be created into an AWSRequestObject. This prepares the request dict by adding the url and the user agent to the request dict. :type request_dict: dict :param request_dict: The request dict (created from the ``serialize`` module). :type user_agent: string :param user_agent: The user agent to use for this request. :type endpoint_url: string :param endpoint_url: The full endpoint url, which contains at least the scheme, the hostname, and optionally any path components. Nr1 z User-Agent� host_prefix�url_path� query_string�?z?%sz&%sr/ �context)r, �_urljoin�botocore�utils�percent_encode_sequence) � request_dict� endpoint_urlrr � user_agent�rr1 rn r/ rv �encoded_query_stringr r r �prepare_request_dict� s" �r| c C s2 | }t |d |d |d |d d�}|d |_|S )aK This method takes a request dict and creates an AWSRequest object from it. :type request_dict: dict :param request_dict: The request dict (created from the ``prepare_request_dict`` method). :rtype: ``botocore.awsrequest.AWSRequest`` :return: An AWSRequest object based on the request_dict. r. r/ r0 r1 )r. r/ �datar1 rr )� AWSRequestrr )rw rz �request_objectr r r �create_request_object s � r� c C s� t | �}|r |dkr|d sd}n"|d }n |d �d�r-|�d�r-|d d d� | }n|d | }|d }|d ur?|| }t|d |||d |d f�}|S )N�/rR ���r? r rS � )r �endswithr[ r )rx ro rn �p�new_path� new_netloc� reconstructedr r r rs $ s rs c @ sB e Zd ZdZdd� Zdd� Zddd�Zd d � Zd d � Zd d� Z dS )�AWSRequestPreparera This class performs preparation on AWSRequest objects similar to that of the PreparedRequest class does in the requests library. However, the logic has been boiled down to meet the specific use cases in botocore. Of note there are the following differences: This class does not heavily prepare the URL. Requests performed many validations and corrections to ensure the URL is properly formatted. Botocore either performs these validations elsewhere or otherwise consistently provides well formatted URLs. This class does not heavily prepare the body. Body preperation is simple and supports only the cases that we document: bytes and file-like objects to determine the content-length. This will also additionally prepare a body that is a dict to be url encoded params string as some signers rely on this. Finally, this class does not support multipart file uploads. This class does not prepare the method, auth or cookies. c C s< |j }| �|�}| �|�}| �||�}|j}t|||||�S r )r. � _prepare_url� _prepare_body�_prepare_headers� stream_output�AWSPreparedRequest)r �originalr. r/ r0 r1 r� r r r �prepareT s zAWSRequestPreparer.preparec C sJ |j }|jr#t|�}|jrdnd}tt|j�� �dd�}|�||f�}|S )N�&rq T��doseq)r/ �paramsr �queryr �list�itemsr9 )r r� r/ � url_parts�delimr� r r r r� ] s z AWSRequestPreparer._prepare_urlNc C sn t |j�� �}d|v sd|v r|S |jdvr5| �|�}|d ur't|�|d< |S t|�}t�d|� d|d< |S )NzTransfer-EncodingzContent-Length)�GET�HEAD�OPTIONSz Failed to determine length of %s�chunked) � HeadersDictr1 r� r. �_determine_content_lengthrb �typerD rE )r r� � prepared_bodyr1 �length� body_typer r r r� f s � z#AWSRequestPreparer._prepare_headersc C s< |\}}t |tj�r|�d�}t |tj�r|�d�}||fS �Nr3 )r5 r r6 r8 )r �item�key�valuer r r �_to_utf8{ s zAWSRequestPreparer._to_utf8c sB |j }|dkr d}t|t�r � fdd�|�� D �}t|dd�}|S )z"Prepares the given HTTP body data.r+ Nc s g | ]}� � |��qS r )r� )�.0r� r) r r � <listcomp>� s z4AWSRequestPreparer._prepare_body.<locals>.<listcomp>Tr� )r} r5 �dictr� r )r r� r0 r� r r) r r� � s z AWSRequestPreparer._prepare_bodyc C s� |sdS zt |�W S ttfy Y nw t|d�rCt|d�rCz|�� }|�dd� |�� }|�|� || W S tjyB Y d S w d S )Nr �seek�tellrR )rZ �AttributeError� TypeError�hasattrr� r� �io�UnsupportedOperation)r r0 �orig_pos� end_file_posr r r r� � s& � �z,AWSRequestPreparer._determine_content_lengthr ) r r r rc r� r� r� r� r� r� r r r r r� @ s r� c @ s@ e Zd ZdZeZ d dd�Zdd� Zedd � �Z dS ) r~ a Represents the elements of an HTTP request. This class was originally inspired by requests.models.Request, but has been boiled down to meet the specific use cases in botocore. That being said this class (even in requests) is effectively a named-tuple. NFc C st | � � | _|d u r i n|}|| _|| _t� | _|| _|| _|| _|| _ |d ur5|� � D ] \}} | | j|< q+i | _ d S r ) �_REQUEST_PREPARER_CLS�_request_preparerr. r/ r r1 r} r� � auth_pathr� r� rr ) r r. r/ r1 r} r� r� r� r� r� r r r r � s zAWSRequest.__init__c C s | j �| �S )z>Constructs a :class:`AWSPreparedRequest <AWSPreparedRequest>`.)r� r� r) r r r r� � s zAWSRequest.preparec C s$ | � � j}t|tj�r|�d�}|S r� )r� r0 r5 r r6 r8 )r r0 r r r r0 � s zAWSRequest.body)NNNNNNF) r r r rc r� r� r r� �propertyr0 r r r r r~ � s �#r~ c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) r� a� A data class representing a finalized request to be sent over the wire. Requests at this stage should be treated as final, and the properties of the request should not be modified. :ivar method: The HTTP Method :ivar url: The full url :ivar headers: The HTTP headers to send. :ivar body: The HTTP body. :ivar stream_output: If the response for this request should be streamed. c C s" || _ || _|| _|| _|| _d S r )r. r/ r1 r0 r� )r r. r/ r1 r0 r� r r r r � s zAWSPreparedRequest.__init__c C s d}|| j | j| j| jf S )NzD<AWSPreparedRequest stream_output=%s, method=%s, url=%s, headers=%s>)r� r. r/ r1 )r �fmtr r r �__repr__� s �zAWSPreparedRequest.__repr__c C sz t jt jtf}| jdu st| j|�rdS zt�d| j� | j�d� W dS t y< } z t�d|� t | jd��d}~ww )a+ Resets the streaming body to it's initial position. If the request contains a streaming body (a streamable file-like object) seek to the object's initial position to ensure the entire contents of the object is sent. This is a no-op for static bytes-like body types. NzRewinding stream: %sr zUnable to rewind stream: %s)� stream_object) r � binary_typer6 � bytearrayr0 r5 rD rE r� � Exceptionr )r �non_seekable_types�er r r � reset_stream� s ��z AWSPreparedRequest.reset_streamN)r r r rc r r� r� r r r r r� � s r� c @ s0 e Zd ZdZdd� Zedd� �Zedd� �ZdS ) � AWSResponsea� A data class representing an HTTP response. This class was originally inspired by requests.models.Response, but has been boiled down to meet the specific use cases in botocore. This has effectively been reduced to a named tuple. :ivar url: The full url. :ivar status_code: The status code of the HTTP response. :ivar headers: The HTTP headers received. :ivar body: The HTTP response body. c C s& || _ || _t|�| _|| _d | _d S r )r/ � status_coder� r1 �raw�_content)r r/ r� r1 r� r r r r $ s zAWSResponse.__init__c C s* | j du rt� �| j�� �pt� | _ | j S )z!Content of the response as bytes.N)r� rB r9 r� �streamr) r r r �content, s zAWSResponse.contentc C s* t j�| j�}|r| j�|�S | j�d�S )a Content of the response as a proper text type. Uses the encoding type provided in the reponse headers to decode the response content into a proper text type. If the encoding is not present in the headers, UTF-8 is used as a default. r3 )rt ru �get_encoding_from_headersr1 r� r\ )r �encodingr r r �text9 s zAWSResponse.textN)r r r rc r r� r� r� r r r r r� s r� c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) � _HeaderKeyc C s || _ |�� | _d S r )�_key�lower�_lower�r r� r r r r I s z_HeaderKey.__init__c C � t | j�S r )�hashr� r) r r r �__hash__M � z_HeaderKey.__hash__c C s t |t�o | j|jkS r )r5 r� r� )r �otherr r r �__eq__P s z_HeaderKey.__eq__c C s | j S r )r� r) r r r �__str__S s z_HeaderKey.__str__c C r� r )�reprr� r) r r r r� V r� z_HeaderKey.__repr__N)r r r r r� r� r� r� r r r r r� H s r� c @ sP e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dS )r� z:A case-insenseitive dictionary to represent HTTP headers. c O s i | _ | j|i |�� d S r )�_dict�updater r r r r \ s zHeadersDict.__init__c C s || j t|�< d S r �r� r� )r r� r� r r r � __setitem__` s zHeadersDict.__setitem__c C s | j t|� S r r� r� r r r � __getitem__c s zHeadersDict.__getitem__c C s | j t|�= d S r r� r� r r r � __delitem__f � zHeadersDict.__delitem__c C s dd� | j D �S )Nc s s � | ]}t |�V qd S r )rb )r� r� r r r � <genexpr>j s � z'HeadersDict.__iter__.<locals>.<genexpr>)r� r) r r r �__iter__i r� zHeadersDict.__iter__c C r� r )rZ r� r) r r r �__len__l r� zHeadersDict.__len__c C r� r )r� r� r) r r r r� o r� zHeadersDict.__repr__c C s t | �� �S r )r� r� r) r r r �copyr s zHeadersDict.copyN) r r r rc r r� r� r� r� r� r� r� r r r r r� Z s r� )NN)+r� �loggingr^ � urllib3.utilrF �urllib3.connectionr r �urllib3.connectionpoolr r �botocore.utilsrt �botocore.compatr r r r r r r r �botocore.exceptionsr � getLoggerr rD r �objectr rf ri rk rm r| r� rs r� r~ r� r� r� r� r r r r �<module> s> $ % �( l921