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prefect.server.events.services.triggers

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Classes

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ReactiveTriggers

Evaluates reactive automation triggers Methods:

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all_services 

all_services(cls) -> Sequence[type[Self]]
Get list of all service classes

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enabled 

enabled(cls) -> bool
Whether the service is enabled

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enabled_services 

enabled_services(cls) -> list[type[Self]]
Get list of enabled service classes

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environment_variable_name 

environment_variable_name(cls) -> str

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run_services 

run_services(cls) -> NoReturn
Run enabled services until cancelled.

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running 

running(cls) -> AsyncGenerator[None, None]
A context manager that runs enabled services on entry and stops them on exit.

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service_settings 

service_settings(cls) -> ServicesBaseSetting

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service_settings 

service_settings(cls) -> ServicesBaseSetting
The Prefect setting that controls whether the service is enabled

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start 

start(self) -> NoReturn

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start 

start(self) -> NoReturn
Start running the service, which may run indefinitely

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stop 

stop(self) -> None

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stop 

stop(self) -> None
Stop the service

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ProactiveTriggers

Evaluates proactive automation triggers Methods:

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run_once 

run_once(self) -> None

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run_once 

run_once(self) -> None
Represents one loop of the service. Subclasses must override this method. To actually run the service once, call LoopService().start(loops=1) instead of LoopService().run_once(), because this method will not invoke setup and teardown methods properly.

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service_settings 

service_settings(cls) -> ServicesBaseSetting

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start 

start(self, loops: None = None) -> NoReturn
Run the service indefinitely.

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stop 

stop(self, block: bool = True) -> None
Gracefully stops a running LoopService and optionally blocks until the service stops. Args:
  • block: if True, blocks until the service is finished running. Otherwise it requests a stop and returns but the service may still be running a final loop.