Source code for sexpr.yaml

import re

import yaml



[docs]class Regexpr(yaml.YAMLObject):
    yaml_tag = u'!regexpr'

    def __init__(self, pattern):
        self.pattern = pattern
        self.re_pattern = re.compile(pattern)


[docs]    def matches(self, string):
        return self.re_pattern.match(string)



[docs]    @classmethod
    def from_yaml(cls, loader, node):
        return Regexpr(node.value)


    def __repr__(self):
        return '(regex %s)' % self.pattern