pygments.filter

module documentation
(source)

pygments.filter ~~~~~~~~~~~~~~~ Module that implements the default filter. :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS. :license: BSD, see LICENSE for details.

Class Filter Default filter. Subclass this class or use the `simplefilter` decorator to create own filters.
Class FunctionFilter Abstract class used by `simplefilter` to create simple function filters on the fly. The `simplefilter` decorator automatically creates subclasses of this class for functions passed to it.
Function apply_filters Use this method to apply an iterable of filters to a stream. If lexer is given it's forwarded to the filter, otherwise the filter receives `None`.
Function simplefilter Decorator that converts a function into a filter::
def apply_filters(stream, filters, lexer=None): (source)

Use this method to apply an iterable of filters to a stream. If lexer is given it's forwarded to the filter, otherwise the filter receives `None`.

def simplefilter(f): (source)

Decorator that converts a function into a filter:: @simplefilter def lowercase(self, lexer, stream, options): for ttype, value in stream: yield ttype, value.lower()