Azure/azure-sdk-for-python azure-core_1.35.0

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1.35.0 (2025-07-02)

Features Added

• Added a start_time keyword argument to the start_span and start_as_current_span methods in the OpenTelemetryTracer class. This allows users to specify a custom start time for created spans. #41106
• Added a context keyword argument to the start_span and start_as_current_span methods in the OpenTelemetryTracer class. This allows users to specify a custom parent context for created spans. #41511
• Added method as_attribute_dict to azure.core.serialization for backcompat migration purposes. Will return a generated model as a dictionary where the keys are in attribute syntax.
• Added is_generated_model method to azure.core.serialization. Returns whether a given input is a model from one of our generated sdks. #41445
• Added attribute_list method to azure.core.serialization. Returns all of the attributes of a given model from one of our generated sdks. #41571

Other Changes

• A timeout error when using the aiohttp transport (the default for async SDKs) will now be raised as a azure.core.exceptions.ServiceResponseTimeoutError, a subtype of the previously raised ServiceResponseError.
• When using with aiohttp 3.10 or later, a connection timeout error will now be raised as a azure.core.exceptions.ServiceRequestTimeoutError, which can be retried.
• The default implementation of on_challenge in BearerTokenCredentialPolicy and AsyncBearerTokenCredentialPolicy will now cache the retrieved token. #41857