python - 如何将字典值映射到另一个字典
问题描述
我有下面的字典
{
"aggregations": {
"A": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{ "key": "ADL", "doc_count": 1 },
{ "key": "SDD", "doc_count": 1 },
{ "key": "JJD", "doc_count": 1 }
]
},
"B": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{ "key": "ABC", "doc_count": 1 },
{ "key": "CDE", "doc_count": 1 },
{ "key": "FGH", "doc_count": 1 }
]
},
"C": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{ "key": "XYX", "doc_count": 1 },
{ "key": "NXS", "doc_count": 1 }
]
}
}
}
aggregations.keys 将是 aggregationfilters.fieldName
aggregations.buckets.key 将是 aggregationfilters.values.title
aggregationfilters.values.paragraph 每次都为空
aggregations.buckets.doc_count 将是 aggregationfilters.values.count
基本上我需要提取aggregations.keys 和aggregations.bucket 值并放入不同的字典中。
需要编写一个通用的代码结构来做到这一点。
我不能用 .pop(rename) 字典
我的预期
{
"aggregationfilters": [
{
"name": "ABC",
"fieldName": "A",
"values": [
{ "title": "ADL", "paragraph": null, "count": 1 },
{ "title": "SDD", "paragraph": null, "count": 1 },
{ "title": "JJD", "paragraph": null, "count": 1 }
]
}, {
"name": "CDE",
"fieldName": "B",
"values": [
{ "title": "ABC", "paragraph": null, "count": 1 },
{ "title": "CDE", "paragraph": null, "count": 1 },
{ "title": "FGH", "paragraph": null, "count": 1 }
]
}, {
"name": "FGH",
"fieldName": "C",
"values": [
{ "title": "XYX", "paragraph": null, "count": 1 },
{ "title": "NXS", "paragraph": null, "count": 1 }
]
}
]
}
解决方案
好吧,这行得通,但即使我尽了最大的努力,这看起来仍然不是那么干净。
import json
source = {
"aggregations": {
"A": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{"key": "ADL", "doc_count": 1},
{"key": "SDD", "doc_count": 1},
{"key": "JJD", "doc_count": 1},
],
},
"B": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [
{"key": "ABC", "doc_count": 1},
{"key": "CDE", "doc_count": 1},
{"key": "FGH", "doc_count": 1},
],
},
"C": {
"doc_count_error_upper_bound": 0,
"sum_other_doc_count": 0,
"buckets": [{"key": "XYX", "doc_count": 1}, {"key": "NXS", "doc_count": 1}],
},
}
}
convert_map = {
"buckets": "values",
"doc_count": "count",
"key": "title",
}
remove_map = {"sum_other_doc_count", "doc_count_error_upper_bound"}
add_map = {"name": "Changed VAL_", "fieldName": "VAL_"}
def converting_generator(
source_: dict, convert_map_: dict, remove_map_: set, add_map_: dict
):
working_dict = {k: v for k, v in source_.items()}
variable_identifier = "VAL_"
for key, inner_dic in working_dict.items():
inner_dic: dict
for rm_key in remove_map_:
try:
inner_dic.pop(rm_key)
except KeyError:
pass
for add_key, add_val in add_map_.items():
inner_dic[add_key] = add_val.replace(variable_identifier, key)
dumped = json.dumps(inner_dic, indent=2)
for original, target in convert_map_.items():
dumped = dumped.replace(original, target)
yield json.loads(dumped)
converted = {
"aggregation_filters": list(
converting_generator(source["aggregations"], convert_map, remove_map, add_map)
)
}
for inner_dict in converted["aggregation_filters"]:
for even_inner_dict in inner_dict["values"]:
even_inner_dict["paragraph"] = None
print(json.dumps(converted, indent=2))
输出:
{
"aggregation_filters": [
{
"values": [
{
"title": "ADL",
"count": 1,
"paragraph": null
},
{
"title": "SDD",
"count": 1,
"paragraph": null
},
{
"title": "JJD",
"count": 1,
"paragraph": null
}
],
"name": "Changed A",
"fieldName": "A"
},
{
"values": [
{
"title": "ABC",
"count": 1,
"paragraph": null
},
{
"title": "CDE",
"count": 1,
"paragraph": null
},
{
"title": "FGH",
"count": 1,
"paragraph": null
}
],
"name": "Changed B",
"fieldName": "B"
},
{
"values": [
{
"title": "XYX",
"count": 1,
"paragraph": null
},
{
"title": "NXS",
"count": 1,
"paragraph": null
}
],
"name": "Changed C",
"fieldName": "C"
}
]
}
始终显示您的代码,如果这是一个有效的代码,那就太好了 - 表明您至少为您的问题付出了那么大的努力。
我不打扰它,因为这感觉像是解决难题,但其他人可能不会。
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