|
1
|
|
|
# -*- coding: utf-8 -*- |
|
2
|
|
|
|
|
3
|
|
|
from itertools import chain |
|
4
|
|
|
|
|
5
|
|
|
from benedict.utils import type_util |
|
6
|
|
|
|
|
7
|
|
|
|
|
8
|
|
|
def _get_index(key): |
|
9
|
|
|
if type_util.is_integer(key): |
|
10
|
|
|
return key |
|
11
|
|
|
return None |
|
12
|
|
|
|
|
13
|
|
|
|
|
14
|
|
|
def _get_item_key_and_value_for_parent_wildcard(item, index, parent, child): |
|
15
|
|
|
if type_util.is_list_of_dicts(item) and any( |
|
16
|
|
|
index in _item.keys() for _item in item |
|
17
|
|
|
): |
|
18
|
|
|
data = [_item.get(index) for _item in item if index in _item.keys()] |
|
19
|
|
|
if type_util.is_list_of_list(data): |
|
20
|
|
|
data = list(chain.from_iterable(data)) |
|
21
|
|
|
# eject dict from list to be able to access dict properties |
|
22
|
|
|
if ( |
|
23
|
|
|
len(data) == 1 |
|
24
|
|
|
and len(item) == 1 |
|
25
|
|
|
and type_util.is_wildcard(parent) |
|
26
|
|
|
and not type_util.is_wildcard(index) |
|
27
|
|
|
and not type_util.is_wildcard(child) |
|
28
|
|
|
): |
|
29
|
|
|
data = data[0] |
|
30
|
|
|
return index, data |
|
31
|
|
|
elif type_util.is_list_of_list(item): |
|
32
|
|
|
if type_util.is_integer(index): |
|
33
|
|
|
return index, item[index] |
|
34
|
|
|
else: |
|
35
|
|
|
data = [ |
|
36
|
|
|
_item.get(index) |
|
37
|
|
|
for _item in chain.from_iterable(item) |
|
38
|
|
|
if index in _item.keys() |
|
39
|
|
|
] |
|
40
|
|
|
return index, data |
|
41
|
|
|
elif type_util.is_wildcard(index): |
|
42
|
|
|
return index, item |
|
43
|
|
|
return index, None |
|
44
|
|
|
|
|
45
|
|
|
|
|
46
|
|
|
def _get_item_key_and_value_for_wildcard(item, index): |
|
47
|
|
|
if type_util.is_list_of_dicts(item) and not type_util.is_integer(index): |
|
48
|
|
|
data = [_item.get(index) for _item in item if index in _item.keys()] |
|
49
|
|
|
if type_util.is_list_of_list(data): |
|
50
|
|
|
data = list(chain.from_iterable(data)) |
|
51
|
|
|
if any(data): |
|
52
|
|
|
return index, data |
|
53
|
|
|
return index, item |
|
54
|
|
|
|
|
55
|
|
|
|
|
56
|
|
|
def _get_item_key_and_value(item, index, parent=None, child=None): |
|
57
|
|
|
if type_util.is_list_or_tuple(item): |
|
58
|
|
|
if type_util.is_wildcard(parent): |
|
59
|
|
|
index, item = _get_item_key_and_value_for_parent_wildcard( |
|
60
|
|
|
item, index, parent, child |
|
61
|
|
|
) |
|
62
|
|
|
if item: |
|
63
|
|
|
return index, item |
|
64
|
|
|
elif type_util.is_wildcard(index): |
|
65
|
|
|
index, item = _get_item_key_and_value_for_wildcard(item, index) |
|
66
|
|
|
if item: |
|
67
|
|
|
return index, item |
|
68
|
|
|
else: |
|
69
|
|
|
index = _get_index(index) |
|
70
|
|
|
if index is not None: |
|
71
|
|
|
return index, item[index] |
|
72
|
|
|
elif type_util.is_dict(item): |
|
73
|
|
|
return index, item[index] |
|
74
|
|
|
raise KeyError(f"Invalid key: '{index}'") |
|
75
|
|
|
|
|
76
|
|
|
|
|
77
|
|
|
def _get_or_new_item_value(item, key, subkey): |
|
78
|
|
|
try: |
|
79
|
|
|
_, value = _get_item_key_and_value(item, key) |
|
80
|
|
|
if not type_util.is_dict_or_list_or_tuple(value): |
|
81
|
|
|
raise TypeError |
|
82
|
|
|
except (IndexError, KeyError, TypeError): |
|
83
|
|
|
value = _new_item_value(subkey) |
|
84
|
|
|
_set_item_value(item, key, value) |
|
85
|
|
|
return value |
|
86
|
|
|
|
|
87
|
|
|
|
|
88
|
|
|
def _new_item_value(key): |
|
89
|
|
|
index = _get_index(key) |
|
90
|
|
|
return {} if index is None else [] |
|
91
|
|
|
|
|
92
|
|
|
|
|
93
|
|
|
def _set_item_value(item, key, value): |
|
94
|
|
|
index = _get_index(key) |
|
95
|
|
|
if index is not None: |
|
96
|
|
|
try: |
|
97
|
|
|
# overwrite existing index |
|
98
|
|
|
item[index] = value |
|
99
|
|
|
except IndexError: |
|
100
|
|
|
# insert index |
|
101
|
|
|
item += [None] * (index - len(item)) |
|
102
|
|
|
item.insert(index, value) |
|
103
|
|
|
elif type_util.is_list(item): |
|
104
|
|
|
for idx, _item in enumerate(value): |
|
105
|
|
|
if _item is not None: |
|
106
|
|
|
item[idx].update({key: _item}) |
|
107
|
|
|
else: |
|
108
|
|
|
item[key] = value |
|
109
|
|
|
|
|
110
|
|
|
|
|
111
|
|
|
def get_item(d, keys): |
|
112
|
|
|
items = get_items(d, keys) |
|
113
|
|
|
return items[-1] if items else (None, None, None) |
|
114
|
|
|
|
|
115
|
|
|
|
|
116
|
|
|
def get_items(d, keys): |
|
117
|
|
|
items = [] |
|
118
|
|
|
item = d |
|
119
|
|
|
for index, key in enumerate(keys): |
|
120
|
|
|
try: |
|
121
|
|
|
if any(items): |
|
122
|
|
|
parent = items[-1][1] |
|
123
|
|
|
else: |
|
124
|
|
|
parent = None |
|
125
|
|
|
if index < len(keys) - 1: |
|
126
|
|
|
child = keys[index + 1] |
|
127
|
|
|
else: |
|
128
|
|
|
child = None |
|
129
|
|
|
item_key, item_value = _get_item_key_and_value(item, key, parent, child) |
|
130
|
|
|
items.append((item, item_key, item_value)) |
|
131
|
|
|
item = item_value |
|
132
|
|
|
except (IndexError, KeyError): |
|
133
|
|
|
items.append((None, None, None)) |
|
134
|
|
|
break |
|
135
|
|
|
return items |
|
136
|
|
|
|
|
137
|
|
|
|
|
138
|
|
|
def set_item(d, keys, value): |
|
139
|
|
|
item = d |
|
140
|
|
|
i = 0 |
|
141
|
|
|
j = len(keys) |
|
142
|
|
|
while i < j: |
|
143
|
|
|
key = keys[i] |
|
144
|
|
|
if i < (j - 1): |
|
145
|
|
|
item = _get_or_new_item_value(item, key, keys[i + 1]) |
|
146
|
|
|
i += 1 |
|
147
|
|
|
continue |
|
148
|
|
|
_set_item_value(item, key, value) |
|
149
|
|
|
break |
|
150
|
|
|
|
fabiocaccamo /
python-benedict
