o iG(@sddlZddlmZmZmZddlmZddlmZm Z m Z m Z m Z m Z ddlmZddlmZeeZdd ZGd d d ZdS) N)AnyOptionalcast)ClientAuthenticationError) AccessTokenAccessTokenInfoTokenRequestOptionsSupportsTokenInfoTokenCredential TokenProvider)CredentialUnavailableError)within_credential_chaincCs^g}|D]"\}}t|dr|j}n|jj}|r!|d||q||qdd|S)N_credential_namez{}: {}z Attempted credentials: {}z )hasattrr __class____name__appendformatjoin)historyattempts credentialerrorZcredential_namerZ/home/app/Keep/.python/lib/python3.10/site-packages/azure/identity/_credentials/chained.py_get_error_messages   rc @seZdZdZdeddfddZdddZd eddfd d Zdd d Z ddddde de e de e de dede f ddZddde de edefddZdS)ChainedTokenCredentiala@A sequence of credentials that is itself a credential. Its :func:`get_token` method calls ``get_token`` on each credential in the sequence, in order, returning the first valid token received. For more information, see `ChainedTokenCredential overview <"https://aka.ms/azsdk/python/identity/credential-chains#chainedtokencredential-overview">`__. :param credentials: credential instances to form the chain :type credentials: ~azure.core.credentials.TokenProvider .. admonition:: Example: .. literalinclude:: ../samples/credential_creation_code_snippets.py :start-after: [START create_chained_token_credential] :end-before: [END create_chained_token_credential] :language: python :dedent: 4 :caption: Create a ChainedTokenCredential. credentialsreturnNcGs|stdd|_||_dS)Nz#at least one credential is required) ValueError_successful_credentialr)selfrrrr__init__>s zChainedTokenCredential.__init__cCs|jD]}|q|SN)r __enter__)r"rrrrr%Es  z ChainedTokenCredential.__enter__argscGs|jD]}|j|qdSr$)r__exit__)r"r&rrrrr'Js  zChainedTokenCredential.__exit__cCs |dS)zr?r@rrAr) r"r0r-rrrBr:rCrr7rrrr9sX         z%ChainedTokenCredential.get_token_info)rr)rN)r __module__ __qualname____doc__r r#r%rr'r(r?rboolrr/rrr9rrrrr*s.   $Or)loggingtypingrrrZazure.core.exceptionsrZazure.core.credentialsrrrr r r r _internalr getLoggerrr<rrrrrrs