遍历 YAML 对象 [英] Iterate Through YAML objects
本文介绍了遍历 YAML 对象的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有 yml 文件
- id: id1
memberPort: 8080
instance:
name: test
id: q1
site: us
dns: dns1
ip: 1p2
state: available
- id: id2
memberPort: 8080
instance:
name: test2
id: q2
site: us
dns: dns2
ip: ip1
state: available
我想遍历这个并获取 ip print ip1 和 ip2 的 vauls
I want to iterate through this and get the vauls of ip print ip1 and ip2
尝试查看示例并获得以下代码
Tried looking at the examples and got the below code
import yaml
f = open('file.yml')
yaml_file = yaml.safe_load(f)
for entry in yaml_file["id"]:
print yaml_file[id]["ip"])
但它不起作用
知道如何修复这个 python 谢谢
Any idea how to fix this python Thanks
推荐答案
您将阅读和迭代条目与评估条目混为一谈.将两者分开,如下所示:
You're mixing up reading and iterating over the entries with evaluating them. Keep the two separate, like this:
import yaml
f = open('/tmp/test.yaml')
yaml_file = yaml.safe_load(f)
for entry in yaml_file:
print(entry)
print("ID: " + entry['id'])
print("IP: " + entry['instance']['ip'])
结果:
{'id': 'id1', 'memberPort': 8080, 'instance': {'name': 'test', 'id': 'q1', 'site': 'us', 'dns': 'dns1', 'ip': '1p2', 'state': 'available'}}
ID: id1
IP: 1p2
{'id': 'id2', 'memberPort': 8080, 'instance': {'name': 'test2', 'id': 'q2', 'site': 'us', 'dns': 'dns2', 'ip': 'ip1', 'state': 'available'}}
ID: id2
IP: ip1
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