twisted.flow.base

Package twisted :: Package flow :: Module base

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Module twisted.flow.base

flow.base

This module contains the core exceptions and base classes in the flow module. See flow.flow for more detailed information

Classes
`CallLater`	Instruction to support callbacks
`Controller`	Flow controller
`Cooperate`	Requests that processing be paused so other tasks can resume Yield this object when the current chain would block or periodically during an intensive processing task.
`Instruction`	Has special meaning when yielded in a flow
`Stage`	Abstract base defining protocol for iterator/generators in a flow This is the primary component in the flow system, it is an iterable object which must be passed to a yield statement before each call to next().

Exceptions
`NotReadyError`	Raised when a stage has not been subject to a yield
`Unsupported`	Indicates that the given stage does not know what to do with the flow instruction that was returned.

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