Convert values in nested dicts using python

nested_dict.py

from collections.abc import Mapping


# Recursive function to apply a func to nested dict
def map_nested_dicts(ob, func):
    if isinstance(ob, Mapping):
        return {key: map_nested_dicts(value, func) for key, value in ob.items()}
    return func(ob)


# Convert items of a list to type
def totype(values, type):
    try:
        return list(map(type, values))
    except ValueError:
        return values


# Curried func
def toint(values):
    return totype(values, int)