patroni.postgresql.cancellable module

class patroni.postgresql.cancellable.CancellableExecutor

Bases: object

There must be only one such process so that AsyncExecutor can easily cancel it.

__init__() → None

Initialize self. See help(type(self)) for accurate signature.

_kill_children() → None

_kill_process() → None

_start_process(cmd: List[str], *args: Any, **kwargs: Any) → Optional[bool]

This method must be executed only when the _lock is acquired

class patroni.postgresql.cancellable.CancellableSubprocess

Bases: patroni.postgresql.cancellable.CancellableExecutor

__init__() → None

Initialize self. See help(type(self)) for accurate signature.

call(*args: Any, **kwargs: Any) → Optional[int]

cancel(kill: bool = False) → None

property is_cancelled

reset_is_cancelled() → None