Source code for rf_info.data.rangekeydict
from functools import reduce
[docs]class RangeKeyDict:
def __init__(self, my_dict):
assert not any(map(lambda x: not isinstance(x, tuple) or len(x) != 2 or x[0] > x[1], my_dict))
def lte(bound):
return lambda x: bound <= x
def gt(bound):
return lambda x: x < bound
self._my_dict = {(lte(k[0]), gt(k[1])): v for k, v in my_dict.items()}
def __getitem__(self, number):
_my_dict = self._my_dict
try:
result = next((_my_dict[key] for key in _my_dict if list(reduce(lambda s, f: filter(f, s), key, [number]))))
except StopIteration:
return None
else:
return result