-
Notifications
You must be signed in to change notification settings - Fork 0
/
dict.py
52 lines (44 loc) · 1.61 KB
/
dict.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
def keys_exist(dictionary, *keys):
"""
Проверяет есть ли в словаре dictionary все (вложенные) ключи *keys.
"""
if not isinstance(dictionary, dict):
raise AttributeError('keys_exists() expects dict as first argument.')
if len(keys) == 0:
raise AttributeError('keys_exists() expects at least two arguments, one given.')
_element = dictionary
for key in keys:
try:
_element = _element[key]
except KeyError:
return False
return True
def set_value(dictionary, value, *keys):
"""
Добавляет в словарь dictionary вложенные ключи *keys.
:param dictionary:
:param keys:
:param value:
:return:
"""
if not isinstance(dictionary, dict):
raise AttributeError('set_value() expects dict as first argument.')
if len(keys) == 0:
raise AttributeError('set_value() expects at least two arguments, one given.')
_element = dictionary
for i, key in enumerate(keys):
if i != len(keys) - 1:
if key not in _element or not isinstance(_element[key], dict):
_element[key] = {}
else:
_element[key] = value
_element = _element[key]
def get_value(dictionary, *keys):
if not isinstance(dictionary, dict):
raise AttributeError('get_value() expects dict as first argument.')
if len(keys) == 0:
raise AttributeError('get_value() expects at least two arguments, one given.')
_element = dictionary
for key in keys:
_element = _element[key]
return _element