twisted.words.xish.xpath.BooleanValue

class documentation

class BooleanValue: (source)

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Provide boolean XPath expression operators.
Method __init__ Undocumented
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 _boolean​And Calculate boolean and of the given expressions given an element.
Method _boolean​Or Calculate boolean or of the given expressions given an element.
def __init__(self, lhs, op, rhs): (source)

Undocumented

lhs = (source)
Left hand side expression of the operator.
op = (source)
The operator. One of 'and', 'or'.
rhs = (source)
Right hand side expression of the operator.
value = (source)
Reference to the method that will calculate the value of this expression given an element.
def _booleanAnd(self, elem): (source)
Calculate boolean and of the given expressions given an element.
Parameters
elemThe 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
elemThe element to calculate the value of the expression from.