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RegexPatternValidator

Qt Base Class: QValidator

Signature: QValidator(self, parent: Optional[PySide6.QtCore.QObject] = None) -> None

Base classes

Name Children Inherits
Validator
prettyqt.gui.validator

⋔ Inheritance diagram

graph TD
  1473367008176["validators.RegexPatternValidator"]
  1473245568976["gui.Validator"]
  1473245536768["gui.ValidatorMixin"]
  1473299815024["core.ObjectMixin"]
  140713234304496["builtins.object"]
  1473289208592["QtGui.QValidator"]
  1473288842240["QtCore.QObject"]
  1473291690208["Shiboken.Object"]
  1473245568976 --> 1473367008176
  1473245536768 --> 1473245568976
  1473299815024 --> 1473245536768
  140713234304496 --> 1473299815024
  1473289208592 --> 1473245568976
  1473288842240 --> 1473289208592
  1473291690208 --> 1473288842240
  140713234304496 --> 1473291690208

🛈 DocStrings

Bases: Validator

Validator which checks whether given string is a parseable regex pattern.

Source code in prettyqt\validators\regexpatternvalidator.py 
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class RegexPatternValidator(gui.Validator):
    """Validator which checks whether given string is a parseable regex pattern."""

    ID = "regex_pattern"
    error_occured = core.Signal(str)
    pattern_updated = core.Signal(object)

    def __repr__(self):
        return get_repr(self)

    def __eq__(self, other: object):
        return isinstance(other, type(self))

    def validate(  # type: ignore
        self, text: str, pos: int = 0
    ) -> tuple[gui.QValidator.State, str, int]:
        # if text == "":
        #     self.compiled = None
        #     return (self.Intermediate, text, pos)
        try:
            compiled = re.compile(text)
        except sre_constants.error as e:
            self.error_occured.emit(str(e))
            self.pattern_updated.emit(None)
            return self.State.Intermediate, text, pos
        else:
            self.error_occured.emit("")
            self.pattern_updated.emit(compiled)
            return self.State.Acceptable, text, pos

⌗ Property table

Qt Property Type Doc
objectName QString

Validator ID: regex_pattern