I am trying to overload the "and" operatior, but my __and__ method is
never called. The code look like this:
class Filter:
column = ""
operator = ""
value = ""
def __init__(self, col, op, val):
self.column = col
self.operator = op
self.value = val
def toString(self):
return self.column + " " + self.operator + " " + self.value
def __and__(self, other):
print "And"
return And(self, other)
class And:
lFilter = None
rFilter = None
def __init__(self, l, r):
self.lFilter = l
self.rFilter = r
def toString(self):
return "(" + self.lFilter.toString() + ") and (" +
self.rFilter.toString() + ")"
f1 = Filter("name", "=", "Kalle")
f2 = Filter("city", "=", "LA")
andFilter = (f1 and f2)
print andFilter.toString()
What is wrong with this code? The result when I run the script is
"city = LA". The AndFilter is never created.
/Fredrik
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