首页 > 解决方案 > 如何在字典的键中提取键

问题描述

我有以下结构:

mappings": {
"go": {
"_ttl": {something goes here},
"symbol": {},
"associationType.keyword": {},
"go_genes": {},
"go_species.keyword": {},
"symbol.autocomplete": {},
"primaryId": {},
"href.keyword": {},
"name_key": {},
"symbol.sort": {},
"name_key.keyword": {},
"go_type.keyword": {},

现在,我有兴趣提取这样的东西:

mappings.go.-ttl
mappings.go.symbol
mappings.go.geo_genes
.....

这是我写的代码,但它只给了我“go”和其他与 go 位置相似的节点,这些节点没有在图片中显示。我如何修改它以获得我想要的结果,如住所所述:

index = "site_index_stage"
elastic_url = "http://localhost:9200"
mapping_fields_request = "_mapping/field/*"
mapping_fields_url = "/".join([elastic_url, index, mapping_fields_request])
response = requests.get(mapping_fields_url)
print(response)
data = response.content.decode()
parsed_data = json.loads(data)
for key in parsed_data[index]['mappings']:
    print(key)

标签: arraysjsonpython-3.xelasticsearch

解决方案


最后,我是这样做的:

def nested_dict_iter(nested):
    for key, value in nested.items():
        # print((key,value))
        if type(value)==type({}):
            for x in value:
                output.write(key+'.'+x)
                output.write('\n')
nested_dict_iter(parsed_data[index]['mappings'])

推荐阅读