Notice: Over the next few months, we're reorganizing the App Engine documentation site to make it easier to find content and better align with the rest of Google Cloud products. The same content will be available, but the navigation will now match the rest of the Cloud products.

Python 3.10 is now generally available.

google.appengine.ext.ndb.Future

A Future has 0 or more callbacks.

Inherits From: expected_type

The callbacks will be called when the result is ready.

NOTE: This is somewhat inspired but not conformant to the Future interface defined by PEP 3148. It is also inspired (and tries to be somewhat compatible with) the App Engine specific UserRPC and MultiRpc classes.

state

Methods

add_callback

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add_immediate_callback

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check_success

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done

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dump

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dump_stack

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get_exception

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get_result

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get_traceback

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set_exception

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set_result

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wait

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wait_all

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wait_any

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FINISHING 2
IDLE 0
RUNNING 1