Class EfilterRunner

source code

An easy to use class for using Efilter.

The Efilter interface is fairly complex but most people just want to filter
a range of callables. This class is a helper class to help with using
Efilter.

All one needs to do is to extend this class and implement any functions
which should exist in the EFilter namespace. For example, to add a foo()
function:

class NewRunner(search.EfilterRunner):
    def run_foo(self):
        for x in range(10):
            yield dict(A=x, B=2*x)


for x in NewRunner().filter("select * from foo()"):
    print x

{'A': 0, 'B': 0}
{'A': 1, 'B': 2}
{'A': 2, 'B': 4}
{'A': 3, 'B': 6}
{'A': 4, 'B': 8}