twisted.logger._flatten.KeyFlattener

class documentation

class KeyFlattener: (source)

Constructor: KeyFlattener()

A KeyFlattener computes keys for the things within curly braces in PEP-3101-style format strings as parsed by string.Formatter.parse.

Method	`__init__`	Initialize a `KeyFlattener`.
Method	`flatKey`	Compute a string key for a given field/format/conversion.
Instance Variable	`keys`	Undocumented

Initialize a KeyFlattener.

def flatKey(self, fieldName: str, formatSpec: str | None, conversion: str | None) -> str: (source) ¶

Compute a string key for a given field/format/conversion.

Parameters
fieldName:`str`	A format field name.
formatSpec:`str \| None`	A format spec.
conversion:`str \| None`	A format field conversion type.

Returns
`str`	A key specific to the given field, format and conversion, as well as the occurrence of that combination within this `KeyFlattener`'s lifetime.

Undocumented