Json To Dict

import jsonjsonData = ’{'a':1,'b':2,'c':3,'d':4,'e':5}’;print(jsonData)print(type(jsonData))text = json.loads(jsonData)print(text)print(type(text))#######################{'a':1,'b':2,'c':3,'d':4,'e':5}<class ’str’>{’a’: 1, ’b’: 2, ’c’: 3, ’d’: 4, ’e’: 5}<class ’dict’>

Dict To Json

import jsontextDict = {'a':1,'b':2,'c':3,'d':4,'e':5}print(textDict)print(type(textDict))# 字典轉化為jsontextJson = json.dumps(textDict)print(textJson)print(type(textJson))########################{’a’: 1, ’b’: 2, ’c’: 3, ’d’: 4, ’e’: 5}<class ’dict’>{'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5}<class ’str’>

Dict To Yaml

import yamldictText = { 'apiVersion': 'rbac.authorization.k8s.io/v1', 'kind': 'ClusterRoleBinding', 'metadata': { 'name': 'admin-user' }, 'roleRef': { 'apiGroup': 'rbac.authorization.k8s.io', 'kind': 'ClusterRole', 'name': 'cluster-admin' }, 'subjects': [ { 'kind': 'ServiceAccount', 'name': 'admin-user', 'namespace': 'kube-system' } ]}print(type(dictText))yamlText = yaml.dump(dictText)print(yamlText)print(type(yamlText))#############################3<class ’dict’>apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata: name: admin-userroleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-adminsubjects:- kind: ServiceAccount name: admin-user namespace: kube-system<class ’str’>

Json To Yaml

Json -> Dict -> Yaml

import json,yamljsonData = ’{'listDict':{'a':1,'b':2,'c':3,'d':4,'e':5}}’;print(jsonData)print(type(jsonData))# Json -> Dicttext = json.loads(jsonData)print(text)print(type(text))# Dict -> YamltextYaml = yaml.dump(text)print(textYaml)print(type(textYaml))#############################{'listDict':{'a':1,'b':2,'c':3,'d':4,'e':5}}<class ’str’>{’listDict’: {’a’: 1, ’b’: 2, ’c’: 3, ’d’: 4, ’e’: 5}}<class ’dict’>listDict: a: 1 b: 2 c: 3 d: 4 e: 5<class ’str’>

Yaml -> Dict

import yamlyamlText =’’’apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata: name: admin-userroleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-adminsubjects:- kind: ServiceAccount name: admin-user namespace: kube-system’’’print(yamlText)print(type(yamlText))# Yaml -> DictdictText = yaml.load(yamlText,Loader=yaml.FullLoader)print(dictText)print(type(dictText))#############################apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata: name: admin-userroleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-adminsubjects:- kind: ServiceAccount name: admin-user namespace: kube-system<class ’str’>{’apiVersion’: ’rbac.authorization.k8s.io/v1’, ’kind’: ’ClusterRoleBinding’, ’metadata’: {’name’: ’admin-user’}, ’roleRef’: {’apiGroup’: ’rbac.authorization.k8s.io’, ’kind’: ’ClusterRole’, ’name’: ’cluster-admin’}, ’subjects’: [{’kind’: ’ServiceAccount’, ’name’: ’admin-user’, ’namespace’: ’kube-system’}]}<class ’dict’>

關于 yaml -> dict 需要注意

yaml 5.1版本后棄用了yaml.load(file)這個用法，因為覺得很不安全，5.1版本之后就修改了需要指定Loader，通過默認加載​​器（FullLoader）禁止執行任意函數

import yamlyamlText =’’’apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata: name: admin-userroleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-adminsubjects:- kind: ServiceAccount name: admin-user namespace: kube-system’’’print(yamlText)print(type(yamlText))# yaml -> dict 沒有設置 ,Loader=yaml.FullLoader 執行后如下含有警告dictText = yaml.load(yamlText)print(dictText)print(type(dictText))#########################apiVersion: rbac.authorization.k8s.io/v1kind: ClusterRoleBindingmetadata: name: admin-userroleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: cluster-adminsubjects:- kind: ServiceAccount name: admin-user namespace: kube-system<class ’str’>/Users/yyj/Desktop/Project/HelloBike/TimeCalc/pydict2json/dict2json.py:88: YAMLLoadWarning: calling yaml.load() without Loader=... is deprecated, as the default Loader is unsafe. Please read https://msg.pyyaml.org/load for full details. dictText = yaml.load(yamlText){’apiVersion’: ’rbac.authorization.k8s.io/v1’, ’kind’: ’ClusterRoleBinding’, ’metadata’: {’name’: ’admin-user’}, ’roleRef’: {’apiGroup’: ’rbac.authorization.k8s.io’, ’kind’: ’ClusterRole’, ’name’: ’cluster-admin’}, ’subjects’: [{’kind’: ’ServiceAccount’, ’name’: ’admin-user’, ’namespace’: ’kube-system’}]}<class ’dict’>

1、警告提示

YAMLLoadWarning: calling yaml.load() without Loader=... is deprecated, as the defaultLoader is unsafe. Please read https://msg.pyyaml.org/load for full details.

2.主要原因

yaml 5.1版本后棄用了yaml.load(file)這個用法，因為覺得很不安全，5.1版本之后就修改了需要指定Loader，通過默認加載​​器（FullLoader）禁止執行任意函數

3.解決方法

1.yaml.load(f, Loader=yaml.FullLoader)

2.yaml.warnings({’YAMLLoadWarning’: False}) # 全局設置警告，不推薦

Loader的幾種加載方式

BaseLoader--僅加載最基本的YAML SafeLoader--安全地加載YAML語言的子集。建議用于加載不受信任的輸入。 FullLoader--加載完整的YAML語言。避免任意代碼執行。這是當前（PyYAML 5.1）默認加載器調用yaml.load(input)（發出警告后）。 UnsafeLoader--（也稱為Loader向后兼容性）原始的Loader代碼，可以通過不受信任的數據輸入輕松利用。

至此，Yaml 、Json 、Dict 之間的轉化 介紹完了

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