1. 安装yaml库
想要使用python实现yaml与json格式互相转换，需要先下载pip，再通过pip安装yaml库。
如何下载以及使用pip，可参考：pip的安装与使用，解决pip下载速度慢的问题
安装yaml库：
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pip install pyyaml |
2. yaml转json
新建一个test.yaml文件，添加以下内容：
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A: hello: name: Michael address: Beijing B: hello: name: jack address: Shanghai |
代码如下：
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import yamlimport json# yaml文件内容转换成json格式def yaml_to_json(yamlPath): with open(yamlPath, encoding="utf-8") as f: datas = yaml.load(f,Loader=yaml.FullLoader) # 将文件的内容转换为字典形式 jsonDatas = json.dumps(datas, indent=5) # 将字典的内容转换为json格式的字符串 print(jsonDatas)if __name__ == "__main__": jsonPath = 'E:/Code/Python/test/test.yaml' yaml_to_json(jsonPath) |
执行结果如下：
{
"A": {
"hello": {
"name": "Michael",
"address": "Beijing"
}
},
"B": {
"hello": {
"name": "jack",
"address": "Shanghai"
}
}
}
3. json转yaml
新建一个test.json文件，添加以下内容：
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{ "A": { "hello": { "name": "Michael", "address": "Beijing" } }, "B": { "hello": { "name": "jack", "address": "Shanghai" } }} |
代码如下：
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import yamlimport json# json文件内容转换成yaml格式def json_to_yaml(jsonPath): with open(jsonPath, encoding="utf-8") as f: datas = json.load(f) # 将文件的内容转换为字典形式 yamlDatas = yaml.dump(datas, indent=5, sort_keys=False) # 将字典的内容转换为yaml格式的字符串 print(yamlDatas)if __name__ == "__main__": jsonPath = 'E:/Code/Python/test/test.json' json_to_yaml(jsonPath) |
执行结果如下：
A:
hello:
name: Michael
address: Beijing
B:
hello:
name: jack
address: Shanghai
注意，如果不加sort_keys=False，那么默认是排序的，则执行结果如下：
A:
hello:
address: Beijing
name: Michael
B:
hello:
address: Shanghai
name: jack
4. 批量将yaml与json文件互相转换
yaml与json文件互相转换：
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import yamlimport jsonimport osfrom pathlib import Pathfrom fnmatch import fnmatchcaseclass Yaml_Interconversion_Json: def __init__(self): self.filePathList = [] # yaml文件内容转换成json格式 def yaml_to_json(self, yamlPath): with open(yamlPath, encoding="utf-8") as f: datas = yaml.load(f,Loader=yaml.FullLoader) jsonDatas = json.dumps(datas, indent=5) # print(jsonDatas) return jsonDatas # json文件内容转换成yaml格式 def json_to_yaml(self, jsonPath): with open(jsonPath, encoding="utf-8") as f: datas = json.load(f) yamlDatas = yaml.dump(datas, indent=5) # print(yamlDatas) return yamlDatas # 生成文件 def generate_file(self, filePath, datas): if os.path.exists(filePath): os.remove(filePath) with open(filePath,'w') as f: f.write(datas) # 清空列表 def clear_list(self): self.filePathList.clear() # 修改文件后缀 def modify_file_suffix(self, filePath, suffix): dirPath = os.path.dirname(filePath) fileName = Path(filePath).stem + suffix newPath = dirPath + '/' + fileName # print('{}_path：{}'.format(suffix, newPath)) return newPath # 原yaml文件同级目录下，生成json文件 def generate_json_file(self, yamlPath, suffix ='.json'): jsonDatas = self.yaml_to_json(yamlPath) jsonPath = self.modify_file_suffix(yamlPath, suffix) # print('jsonPath：{}'.format(jsonPath)) self.generate_file(jsonPath, jsonDatas) # 原json文件同级目录下，生成yaml文件 def generate_yaml_file(self, jsonPath, suffix ='.yaml'): yamlDatas = self.json_to_yaml(jsonPath) yamlPath = self.modify_file_suffix(jsonPath, suffix) # print('yamlPath：{}'.format(yamlPath)) self.generate_file(yamlPath, yamlDatas) # 查找指定文件夹下所有相同名称的文件 def search_file(self, dirPath, fileName): dirs = os.listdir(dirPath) for currentFile in dirs: absPath = dirPath + '/' + currentFile if os.path.isdir(absPath): self.search_file(absPath, fileName) elif currentFile == fileName: self.filePathList.append(absPath) # 查找指定文件夹下所有相同后缀名的文件 def search_file_suffix(self, dirPath, suffix): dirs = os.listdir(dirPath) for currentFile in dirs: absPath = dirPath + '/' + currentFile if os.path.isdir(absPath): if fnmatchcase(currentFile,'.*'): pass else: self.search_file_suffix(absPath, suffix) elif currentFile.split('.')[-1] == suffix: self.filePathList.append(absPath) # 批量删除指定文件夹下所有相同名称的文件 def batch_remove_file(self, dirPath, fileName): self.search_file(dirPath, fileName) print('The following files are deleted：{}'.format(self.filePathList)) for filePath in self.filePathList: if os.path.exists(filePath): os.remove(filePath) self.clear_list() # 批量删除指定文件夹下所有相同后缀名的文件 def batch_remove_file_suffix(self, dirPath, suffix): self.search_file_suffix(dirPath, suffix) print('The following files are deleted：{}'.format(self.filePathList)) for filePath in self.filePathList: if os.path.exists(filePath): os.remove(filePath) self.clear_list() # 批量将目录下的yaml文件转换成json文件 def batch_yaml_to_json(self, dirPath): self.search_file_suffix(dirPath, 'yaml') print('The converted yaml file is as follows：{}'.format(self.filePathList)) for yamPath in self.filePathList: try: self.generate_json_file(yamPath) except Exception as e: print('YAML parsing error：{}'.format(e)) self.clear_list() # 批量将目录下的json文件转换成yaml文件 def batch_json_to_yaml(self, dirPath): self.search_file_suffix(dirPath, 'json') print('The converted json file is as follows：{}'.format(self.filePathList)) for jsonPath in self.filePathList: try: self.generate_yaml_file(jsonPath) except Exception as e: print('JSON parsing error：{}'.format(jsonPath)) print(e) self.clear_list()if __name__ == "__main__": dirPath = 'C:/Users/hwx1109527/Desktop/yaml_to_json' fileName = 'os_deploy_config.yaml' suffix = 'yaml' filePath = dirPath + '/' + fileName yaml_interconversion_json = Yaml_Interconversion_Json() yaml_interconversion_json.batch_yaml_to_json(dirPath) # yaml_interconversion_json.batch_json_to_yaml(dirPath) # yaml_interconversion_json.batch_remove_file_suffix(dirPath, suffix) |
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原文链接：https://blog.csdn.net/aidijava/article/details/125630629
