`twisted.words.xish.xpath.BooleanValue`

class documentation`twisted.words.xish.xpath`

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Provide boolean XPath expression operators.

Instance Variable | lhs | Left hand side expression of the operator. |

Instance Variable | op | The operator. One of `'and'` , `'or'` . |

Instance Variable | rhs | Right hand side expression of the operator. |

Instance Variable | value | Reference to the method that will calculate the value of this expression given an element. |

Method | __init__ | Undocumented |

Method | _booleanAnd | Calculate boolean and of the given expressions given an element. |

Method | _booleanOr | Calculate boolean or of the given expressions given an element. |

def
_booleanAnd(self, elem):
(source)

Calculate boolean and of the given expressions given an element.

Parameters | elem | The element to calculate the value of the expression from. |

def
_booleanOr(self, elem):
(source)

Calculate boolean or of the given expressions given an element.

Parameters | elem | The element to calculate the value of the expression from. |