def _parse_fontconfig_pattern(self, pattern): return parse_fontconfig_pattern(pattern)
def validate_font_properties(s): parse_fontconfig_pattern(s) return s
def validate(self, object, name, value): parse_fontconfig_pattern(value) return value
def validate(self, object, name, value): # This will throw a ValueError if value does not parse correctly parse_fontconfig_pattern(value) return value