session.py 文件源码

def _register_default_handlers(self):

        # S3 customizations
        self._session.register(
            'creating-client-class.s3',
            boto3.utils.lazy_call(
                'boto3.s3.inject.inject_s3_transfer_methods'))
        self._session.register(
            'creating-resource-class.s3.Bucket',
            boto3.utils.lazy_call(
                'boto3.s3.inject.inject_bucket_methods'))
        self._session.register(
            'creating-resource-class.s3.Object',
            boto3.utils.lazy_call(
                'boto3.s3.inject.inject_object_methods'))
        self._session.register(
            'creating-resource-class.s3.ObjectSummary',
            boto3.utils.lazy_call(
                'boto3.s3.inject.inject_object_summary_methods'))

        # DynamoDb customizations
        self._session.register(
            'creating-resource-class.dynamodb',
            boto3.utils.lazy_call(
                'boto3.dynamodb.transform.register_high_level_interface'),
            unique_id='high-level-dynamodb')
        self._session.register(
            'creating-resource-class.dynamodb.Table',
            boto3.utils.lazy_call(
                'boto3.dynamodb.table.register_table_methods'),
            unique_id='high-level-dynamodb-table')

        # EC2 Customizations
        self._session.register(
            'creating-resource-class.ec2.ServiceResource',
            boto3.utils.lazy_call(
                'boto3.ec2.createtags.inject_create_tags'))

        self._session.register(
            'creating-resource-class.ec2.Instance',
            boto3.utils.lazy_call(
                'boto3.ec2.deletetags.inject_delete_tags',
                event_emitter=self.events))