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crt.cpython-312.pyc
e d Z ddlZddlZddlmZ ddlmZmZm Z m Z m Z da da ej ZdZd Zd Zd Zd Zd Z G d d Zd Zd Zd Zy)a6 This file contains private functionality for interacting with the AWS Common Runtime library (awscrt) in boto3. All code contained within this file is for internal usage within this project and is not intended for external consumption. All interfaces contained within are subject to abrupt breaking changes. N)Session) BotocoreCRTCredentialsWrapper BotocoreCRTRequestSerializerCRTTransferManageracquire_crt_s3_process_lockcreate_s3_crt_clientboto3c $ |d|d}t di |S )zCreate a CRT S3 Client for file transfer. Instantiating many of these may lead to degraded performance or system resource exhaustion. T)regionuse_sslcrt_credentials_provider )r )sessionconfig region_name cred_providercreate_crt_client_kwargss +/usr/lib/python3/dist-packages/boto3/crt.py_create_crt_clientr * s& $1 ;": ;; c t | |d d S )N)r endpoint_url)r )r r s r _create_crt_request_serializerr 8 s 'dC r c l t | }|j }t t | ||| ||| S )zFCreate boto3 wrapper class to manage crt lock reference and S3 client.)r to_crt_credentials_provider CRTS3Clientr )r r r credentialslockkwargs cred_wrapperr s r _create_crt_s3_clientr! > s@ 1=L <<>M 7FK G r c t t }|yt }| j j }| j }t || }t ||||| }||fS )N)NN)r PROCESS_LOCK_NAMEr metar _get_credentialsr r! )clientr r r r r serializer s3_clients r #_initialize_crt_transfer_primativesr) L si &'8 9D | iG++))K))+K/EJ%k4I y r c t 5 t t | | \ }}|a|ad d d t S # 1 sw Y t S xY wN)CLIENT_CREATION_LOCK CRT_S3_CLIENTr) BOTOCORE_CRT_SERIALIZER)r& r r' r( s r get_crt_s3_clientr/ _ sI $G% !J '1 # %M s /=c e Zd ZdZd Zy)r a This wrapper keeps track of our underlying CRT client, the lock used to acquire it and the region we've used to instantiate the client. Due to limitations in the existing CRT interfaces, we can only make calls in a single region and does not support redirects. We track the region to ensure we don't use the CRT client when a successful request cannot be made. c < || _ || _ || _ || _ y r+ ) crt_client process_lockr r )selfr2 r3 r r s r __init__zCRTS3Client.__init__x s $ ( *r N)__name__ __module__ __qualname____doc__r5 r r r r r n s +r r c |y| j }|yt |j |j }| j j |j k( }|xr |S )z Boto3 client must use same signing region and credentials as the CRT_S3_CLIENT singleton. Otherwise fallback to classic. F)r% compare_identityget_frozen_credentialsr r$ r r )r& crt_s3_client boto3_credsis_same_identityis_same_regions r is_crt_compatible_requestrA sk ))+K'**,m.I.I [[,, 0D0DDN . ..r c | }| j |j k( xr4 | j |j k( xr | j |j k( }|S # t j j $ r Y yw xY w)NF) botocore exceptionsNoCredentialsError access_key access_key_id secret_keysecret_access_keytoken session_token)r> crt_s3_creds crt_credsis_matching_identitys r r; r; s N )"9"99 9 " "i&A&A A 9 !8!8 8 1 1 s A A:9A:c h t | | }t | | rt |j t S y)z8Create a CRTTransferManager for optimized data transfer.N)r/ rA r r2 r. )r& r r= s r create_crt_transfer_managerrP s6 %ff5M 7! $ $&= r )r9 threadingbotocore.exceptionsrC botocore.sessionr s3transfer.crtr r r r r r- r. Lockr, r# r r r! r) r/ r rA r; rP r r r <module>rV ss $ %y~~' < !& + +"/& r