def write_yaml(root, file_name, data, overwrite=False):
"""
Write dictionary data in yaml format.
:param root: Directory name.
:param file_name: Desired file name. Will automatically add .yaml extension if not given
:param data: data to be dumped as yaml format
:param overwrite: If True, will overwrite existing files
"""
if not exists(root):
raise MissingConfigException("Parent directory '%s' does not exist." %
root)
file_path = os.path.join(root, file_name)
yaml_file_name = file_path if file_path.endswith(
".yaml") else file_path + ".yaml"
if exists(yaml_file_name) and not overwrite:
raise Exception("Yaml file '%s' exists as '%s" %
(file_path, yaml_file_name))
try:
with open(yaml_file_name, 'w') as yaml_file:
yaml.safe_dump(data,
yaml_file,
default_flow_style=False,
allow_unicode=True)
except Exception as e:
raise e
def read_yaml(root, file_name):
"""
Read data from yaml file and return as dictionary
:param root: Directory name
:param file_name: File name. Expects to have '.yaml' extension
:return: Data in yaml file as dictionary
"""
if not exists(root):
raise MissingConfigException(
"Cannot read '%s'. Parent dir '%s' does not exist." % (file_name, root))
file_path = os.path.join(root, file_name)
if not exists(file_path):
raise MissingConfigException("Yaml file '%s' does not exist." % file_path)
try:
with codecs.open(file_path, mode='r', encoding=ENCODING) as yaml_file:
return yaml.load(yaml_file, Loader=YamlSafeLoader)
except Exception as e:
raise e