访问与条件匹配的嵌套字典值

时间:2019-02-11 18:31:14

标签: python python-3.x dictionary iterator lookup

我要尝试的是遍历此字典,仅提取其中带有“ RM”的键(包括其值)。

我尝试过类似的事情:

for key, val in release_dict["packages"].items():
        for k, v in val.items():
            print(item for item in v["linked_jiras"] if "RM" in item)

一点运气都没有。

我被困在这里

{
    "packages": {
        "company-web-package-name": {
            "linked_jiras": {
                "RM-2048": "info we want",
                "RM-2087": "info we want",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
            },
            "branch": "master",
            "project_lead": "person"
        },
        "company-web-package": {
            "linked_jiras": {
                "RM-1880": "info we want",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
            },
            "branch": "master",
            "project_lead": "person"
        },
        "company-web-package--internal": {
            "linked_jiras": {
                "RM-2049": "info we want",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
                "item": "description",
            },
            "branch": "master",
            "project_lead": "person"
        }
    }
}

我正在尝试获取这些结果的新字典,或更简单地说是这些值的元组。

1 个答案:

答案 0 :(得分:2)

您需要稍微重新排列循环并添加到输出字典中以获取所有信息:

d = {}

for key, val in release_dict["packages"].items():
    for item in val["linked_jiras"]:
        if "RM" in item:
            d[item] = val["linked_jiras"][item]

print(d)
# {'RM-2048': 'info we want', 'RM-2087': 'info we want', 'RM-1880': 'info we want', 'RM-2049': 'info we want'}

注意 :请确保如果使用的是字典,则所有'RM'键都是不同的。