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a vyg�G � @ s� d Z ddlZddlmZ ddlm mZ ddlm m Z ddl m Z ddlZddlZddlZddlZddlmZ ddlmZ ddlmZ ddlmZ ddlmZ dgZG d d � d e�d g d ���ZG d d� de �Z G d d� de �Z dS )z6Library for handling batch HTTP requests for apitools.� N)� http_client)� urllib_parse)�range)� exceptions)� http_wrapper�BatchApiRequestc @ s e Zd ZdZdS )�RequestResponseAndHandleraO Container for data related to completing an HTTP request. This contains an HTTP request, its response, and a callback for handling the response from the server. Attributes: request: An http_wrapper.Request object representing the HTTP request. response: The http_wrapper.Response object returned from the server. handler: A callback function accepting two arguments, response and exception. Response is an http_wrapper.Response object, and exception is an apiclient.errors.HttpError object if an error occurred, or otherwise None. N)�__name__� __module__� __qualname__�__doc__� r r �:/opt/gsutil/third_party/apitools/apitools/base/py/batch.pyr ) s r )�request�response�handlerc @ s> e Zd ZdZG dd� de�Zd dd�Zd dd�Zdd d �ZdS )r z4Batches multiple api requests into a single request.c @ s\ e Zd ZdZdd� Zedd� �Zedd� �Zedd � �Zed d � �Z ed d � �Z dd� Z dS )zBatchApiRequest.ApiCalla/ Holds request and response information for each request. ApiCalls are ultimately exposed to the client once the HTTP batch request has been completed. Attributes: http_request: A client-supplied http_wrapper.Request to be submitted to the server. response: A http_wrapper.Response object given by the server as a response to the user request, or None if an error occurred. exception: An apiclient.errors.HttpError object if an error occurred, or None. c C s> t t|tjg ��| _d| _|| _|| _|| _d| _ d| _ dS )ar Initialize an individual API request. Args: request: An http_wrapper.Request object. retryable_codes: A list of integer HTTP codes that can be retried. service: A service inheriting from base_api.BaseApiService. method_config: Method config for the desired API request. N) �list�setr � UNAUTHORIZED�_ApiCall__retryable_codes�_ApiCall__http_response�_ApiCall__service�_ApiCall__method_config� http_request�_ApiCall__response�_ApiCall__exception)�selfr �retryable_codes�service� method_configr r r �__init__O s �z BatchApiRequest.ApiCall.__init__c C s | j d uS �N)� exception�r r r r �is_errore s z BatchApiRequest.ApiCall.is_errorc C s | j S r! )r r# r r r r i s z BatchApiRequest.ApiCall.responsec C s | j S r! )r r# r r r r" m s z!BatchApiRequest.ApiCall.exceptionc C s | j o| j jtjkS r! )r � status_coder r r# r r r �authorization_failedq s �z,BatchApiRequest.ApiCall.authorization_failedc C s | j d u rdS | j j}|| jvS )NF)r r% r )r Z response_coder r r �terminal_statev s z&BatchApiRequest.ApiCall.terminal_statec C s0 || _ || _| jr,| js,| j�| j| j �| _dS )ap Handles incoming http response to the request in http_request. This is intended to be used as a callback function for BatchHttpRequest.Add. Args: http_response: Deserialized http_wrapper.Response object. exception: apiclient.errors.HttpError object if an error occurred. N)r r r' r �ProcessHttpResponser r )r � http_responser" r r r �HandleResponse} s �z&BatchApiRequest.ApiCall.HandleResponseN) r r r r r �propertyr$ r r" r& r' r* r r r r �ApiCall> s r, Nc C s$ g | _ |p g | _|pd| _|| _dS )a Initialize a batch API request object. Args: batch_url: Base URL for batch API calls. retryable_codes: A list of integer HTTP codes that can be retried. response_encoding: The encoding type of response content. z https://www.googleapis.com/batchN)� api_requestsr � batch_url�response_encoding)r r. r r/ r r r r � s zBatchApiRequest.__init__c C sH |� |�}|�|�}|j||||d�}| �|| j||�}| j�|� dS )a� Add a request to the batch. Args: service: A class inheriting base_api.BaseApiService. method: A string indicated desired method from the service. See the example in the class docstring. request: An input message appropriate for the specified service.method. global_params: Optional additional parameters to pass into method.PrepareHttpRequest. Returns: None )� global_params� upload_configN)�GetMethodConfig�GetUploadConfig�PrepareHttpRequestr, r r- �append) r r �methodr r0 r r1 r Z api_requestr r r �Add� s � �zBatchApiRequest.Add� c C s� dd� | j D �}|pt|�}t|�D ]�}|r6t�|� tdt|�|�D ]�} t| j|| jd�} t� || | | �D ]} | � | j | j � qn| � |� t|jd�rFtdd� t� || | | �D ��rF|jj�|� qFdd� | j D �}|s$ q�q$| j S ) a� Execute all of the requests in the batch. Args: http: httplib2.Http object for use in the request. sleep_between_polls: Integer number of seconds to sleep between polls. max_retries: Max retries. Any requests that have not succeeded by this number of retries simply report the last response or exception, whatever it happened to be. max_batch_size: int, if specified requests will be split in batches of given size. batch_request_callback: function of (http_response, exception) passed to BatchHttpRequest which will be run on any given results. Returns: List of ApiCalls. c S s g | ]}|j s|�qS r �r' ��.0r r r r � <listcomp>� s �z+BatchApiRequest.Execute.<locals>.<listcomp>r )r. �callbackr/ � credentialsc s s | ] }|j V qd S r! )r& r: r r r � <genexpr>� s �z*BatchApiRequest.Execute.<locals>.<genexpr>c S s g | ]}|j s|�qS r r9 r: r r r r< � s �)r- �lenr �time�sleep�BatchHttpRequestr. r/ � itertools�islicer7 r r* �Execute�hasattrr �anyr> �refresh) r �httpZsleep_between_pollsZ max_retriesZmax_batch_sizeZbatch_request_callback�requestsZ batch_size�attempt�iZbatch_http_requestr r r r rF � s: ��� ��zBatchApiRequest.Execute)NNN)N)r8 r8 NN) r r r r �objectr, r r7 rF r r r r r ; s Q � �c @ s` e Zd ZdZddd�Zdd� Zedd� �Zd d � Zd d � Z d d� Z ddd�Z dd� Z dd� Z dS )rC zDBatches multiple http_wrapper.Request objects into a single request.Nc C s0 || _ || _|| _i | _t�� | _t�� | _ dS )a/ Constructor for a BatchHttpRequest. Args: batch_url: URL to send batch requests to. callback: A callback to be called for each response, of the form callback(response, exception). The first parameter is the deserialized Response object. The second is an apiclient.errors.HttpError exception object if an HTTP error occurred while processing the request, or None if no error occurred. response_encoding: The encoding type of response content. N) � _BatchHttpRequest__batch_url�_BatchHttpRequest__callback�$_BatchHttpRequest__response_encoding�,_BatchHttpRequest__request_response_handlersrD �count� _BatchHttpRequest__last_auto_id�uuid�uuid4�_BatchHttpRequest__base_id)r r. r= r/ r r r r � s zBatchHttpRequest.__init__c C s d| j t�|�f S )aK Convert an id to a Content-ID header value. Args: request_id: String identifier for a individual request. Returns: A Content-ID header with the id_ encoded into it. A UUID is prepended to the value because Content-ID headers are supposed to be universally unique. z<%s+%s>)rW r �quote)r � request_idr r r �_ConvertIdToHeader s z#BatchHttpRequest._ConvertIdToHeaderc C sZ | � d�s"| �d�s"t�d| ��d| vr8t�d| ��| dd� �dd�\}}t�|�S )aw Convert a Content-ID header value to an id. Presumes the Content-ID header conforms to the format that _ConvertIdToHeader() returns. Args: header: A string indicating the Content-ID header value. Returns: The extracted id value. Raises: BatchError if the header is not in the expected format. �<�>z Invalid value for Content-ID: %s�+� ���)� startswith�endswithr � BatchError�rsplitr �unquote)�header�_rY r r r �_ConvertHeaderToId% s ��z#BatchHttpRequest._ConvertHeaderToIdc C s� t �|j�}t �dd|j|jdf�}t|tj�s:|� d�}d� |j |df�}|j � dd��d�\}}t�||�}|j �� D ]\}} |dkr�qz| ||< qz|j|d< |�d � |jd ur�|�|j� t�� } tj| d d �} | j|d d � | �� } || S )z�Convert a http_wrapper.Request object into a string. Args: request: A http_wrapper.Request to serialize. Returns: The request as a string in application/http format. � zutf-8� z HTTP/1.1 � content-typezapplication/json�/�HostNr )� maxheaderlenF)�unixfrom)r �urlsplit�url� urlunsplit�path�query� isinstance�six� text_type�decode�join� http_method�headers�get�split�mime_nonmultipart�MIMENonMultipart�items�netloc� set_unixfrom�body� set_payload�StringIO� generator� Generator�flatten�getvalue) r r �parsedZ request_line� status_line�major�minor�msg�key�valueZstr_io�genr� r r r �_SerializeRequest? s< � ��� z"BatchHttpRequest._SerializeRequestc C s\ |� dd�\}}|� dd�\}}}t�� }|�|�}t|�}||d< |�� }t�||| j�S )z�Convert string into Response and content. Args: payload: Header and body string to be deserialized. Returns: A Response object � r^ ri � �status) r| � email_parser�Parser�parsestr�dict� get_payloadr �ResponserO ) r �payloadr� rf r� �parserr� �info�contentr r r �_DeserializeResponsem s z%BatchHttpRequest._DeserializeResponsec C s t t| j��S )z�Create a new id. Auto incrementing number that avoids conflicts with ids already used. Returns: A new unique id string. )�str�nextrT r# r r r �_NewId� s zBatchHttpRequest._NewIdc C s t |d|�}|| j| �� < dS )a Add a new request. Args: request: A http_wrapper.Request to add to the batch. callback: A callback to be called for this response, of the form callback(response, exception). The first parameter is the deserialized response object. The second is an apiclient.errors.HttpError exception object if an HTTP error occurred while processing the request, or None if no errors occurred. Returns: None N)r rR r� )r r r= r r r r r7 � s zBatchHttpRequest.Addc C s^ t �d�}t|ddd� � | jD ]L}t�dd�}d|d< | �|�|d < | �| j| j�}|� |� |� |� q t � | j d �}|�� |_d |�� |jd < t �||�}|jd kr�tj�|��d|jd }|j} t| t�r�| jr�|j� | j�} t � � } | � || �} | � � �st�!d��| �"� D ]:} | �#| d �} | �$| �"� �}| j| j%|d�| j| < �q dS )a= Serialize batch request, send to server, process response. Args: http: A httplib2.Http object to be used to make the request with. Raises: httplib2.HttpLib2Error if a transport error has occured. apiclient.errors.BatchError if the response is the wrong format. �mixed�_write_headersc S s d S r! r r# r r r �<lambda>� � z+BatchHttpRequest._Execute.<locals>.<lambda>Z applicationrJ �binaryzContent-Transfer-Encodingz Content-ID�POSTz multipart/mixed; boundary="%s"rj �, zcontent-type: %s z'Response not in multipart/mixed format.)r N)&�mime_multipart� MIMEMultipart�setattrrR r} r~ rZ r� r r� �attachr �RequestrO � as_stringr� � get_boundaryrz � MakeRequestr% r � HttpError� FromResponser� r� rt �bytesrQ rw r� r� r� � is_multipartrb r� rg r� �_replace)r rJ �messager� r� r� r r re r� r� Z mime_response�partrY r r r �_Execute� sF � � � ��zBatchHttpRequest._Executec C st | � |� | jD ]^}| j| j}| j| j}d}|jdkrFtj�|�}|durX|||� | jdur| �||� qdS )a Execute all the requests as a single batched HTTP request. Args: http: A httplib2.Http object to be used with the request. Returns: None Raises: BatchError if the response is the wrong format. Nr� ) r� rR r r r% r r� r� rP )r rJ r� r r= r" r r r rF � s zBatchHttpRequest.Execute)NN)N)r r r r r rZ � staticmethodrg r� r� r� r7 r� rF r r r r rC � s . <rC ) r � collections�email.generatorr� �email.mime.multipart�mime� multipartr� �email.mime.nonmultipart� nonmultipartr} � email.parserr� r� rD rA rU ru � six.movesr r r �apitools.base.pyr r �__all__� namedtupler rN r rC r r r r �<module> s, �� 9
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