按嵌套属性对字典的键进行排序

def sort_dict_keys(dictionary):
    sorted_keys = sorted(dictionary.keys(), key=lambda x: x.split('.'))
    sorted_dict = {}
    for key in sorted_keys:
        if '.' in key:
            parent_key, child_key = key.split('.', 1)
            if parent_key not in sorted_dict:
                sorted_dict[parent_key] = {}
            sorted_dict[parent_key][child_key] = dictionary[key]
        else:
            sorted_dict[key] = dictionary[key]
    return sorted_dict

dictionary = {
    'a.b.c': 1,
    'a.b.a': 2,
    'a.a': 3,
    'b': 4,
    'c.d.e': 5
}

sorted_dictionary = sort_dict_keys(dictionary)
print(sorted_dictionary)

{
    'a': {
        'a': 3,
        'b': {
            'a': 2,
            'c': 1
        }
    },
    'b': 4,
    'c': {
        'd': {
            'e': 5
        }
    }
}