Dynamic Keyword Arguments in Python?

Question

Does python have the ability to create dynamic keywords?

For example:

qset.filter(min_price__usd__range=(min_price, max_price))

I w

Answer 1

Yes, sort of. In your filter method you can declare a wildcard variable that collects all the unknown keyword arguments. Your method might look like this:

def filter(self, **kwargs):
    for key,value in kwargs:
        if key.startswith('min_price__') and key.endswith('__range'):
            currency = key.replace('min_price__', '').replace('__range','')
            rate = self.current_conversion_rates[currency]
            self.setCurrencyRange(value[0]*rate, value[1]*rate)