Functions to parse config.py.

parse_config_file.py

def parse_config_stream(str_or_file):
    _myglobals, mylocals = {}, {}
    exec str_or_file in _myglobals, mylocals
    return mylocals

def parse_config_file(filename):
    _myglobals, mylocals = {}, {}
    with open(filename) as f:
        exec f in _myglobals, mylocals
        return mylocals

print parse_config_stream('a = 123\nb = "foo"\n')
print parse_config_file('config.py')