S3 Sensor Async
"""""""""""""""


To waits for a key (a file-like instance on S3) to be present in a S3 bucket asynchronously
:class:`~astronomer.providers.amazon.aws.sensor.s3.S3KeySensorAsync`.

.. exampleinclude:: /../astronomer/providers/amazon/aws/example_dags/example_s3.py
    :language: python
    :dedent: 4
    :start-after: [START howto_sensor_s3_key_async]
    :end-before: [END howto_sensor_s3_key_async]


To waits for a key (a file-like instance on S3) to be present and be more than some size in a S3 bucket asynchronously
:class:`~astronomer.providers.amazon.aws.sensor.s3.S3KeySizeSensorAsync`.

.. exampleinclude:: /../astronomer/providers/amazon/aws/example_dags/example_s3.py
    :language: python
    :dedent: 4
    :start-after: [START howto_sensor_s3_key_size_async]
    :end-before: [END howto_sensor_s3_key_size_async]


Checks for changes in the number of objects at prefix in AWS S3bucket
:class:`~astronomer.providers.amazon.aws.sensor.s3.S3KeysUnchangedSensorAsync`.

.. exampleinclude:: /../astronomer/providers/amazon/aws/example_dags/example_s3.py
    :language: python
    :dedent: 4
    :start-after: [START howto_sensor_s3_key_unchanged_async]
    :end-before: [END howto_sensor_s3_key_unchanged_async]


To waits asynchronously for a prefix or all prefixes to exist in S3 bucket
:class:`~astronomer.providers.amazon.aws.sensor.s3.S3PrefixSensorAsync`.

.. exampleinclude:: /../astronomer/providers/amazon/aws/example_dags/example_s3.py
    :language: python
    :dedent: 4
    :start-after: [START howto_sensor_s3_key_prefix_async]
    :end-before: [END howto_sensor_s3_key_prefix_async]