twisted.internet.defer.FirstError

exception documentation

class FirstError(Exception): (source)

Constructor: FirstError(failure, index)

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First error to occur in a DeferredList if fireOnOneErrback is set.

Method __cmp__ Comparison between FirstError and other FirstError instances is defined as the comparison of the index and sub-failure of each instance. FirstError instances don't compare equal to anything that isn't a ...
Method __init__ Undocumented
Method __repr__ The repr of FirstError instances includes the repr of the wrapped failure's exception and the index of the FirstError.
Method __str__ The str of FirstError instances includes the str of the entire wrapped failure (including its traceback and exception) and the index of the FirstError.
Instance Variable index The index of the Deferred in the DeferredList where it happened.
Instance Variable subFailure The Failure that occurred.
def __cmp__(self, other: object) -> int: (source)

Comparison between FirstError and other FirstError instances is defined as the comparison of the index and sub-failure of each instance. FirstError instances don't compare equal to anything that isn't a FirstError instance.

Present Since
8.2
def __init__(self, failure: Failure, index: int): (source)

Undocumented

def __repr__(self) -> str: (source)

The repr of FirstError instances includes the repr of the wrapped failure's exception and the index of the FirstError.

def __str__(self) -> str: (source)

The str of FirstError instances includes the str of the entire wrapped failure (including its traceback and exception) and the index of the FirstError.

index = (source)

The index of the Deferred in the DeferredList where it happened.

subFailure = (source)

The Failure that occurred.