python-mistralclient/mistralclient/utils.py
cao.yuan d81f8997eb Update json module to jsonutils
oslo project provide jsonutils, and mistralclient use it in many place[1],
this PS to update the remained json module to oslo jsonutils for
consistency.

[1]: https://github.com/openstack/python-mistralclient/search?utf8=%E2%9C%93&q=jsonutils&type=

Change-Id: Ibbb3f2b5636147a0faf7a23e6bb177978282cbd3
2019-02-25 20:32:40 +08:00

92 lines
2.7 KiB
Python

# Copyright 2015 - Huawei Technologies Co. Ltd
# Copyright 2015 - StackStorm, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import yaml
from oslo_serialization import jsonutils
from six.moves.urllib import parse
from six.moves.urllib import request
from mistralclient import exceptions
def do_action_on_many(action, resources, success_msg, error_msg):
"""Helper to run an action on many resources."""
failure_flag = False
for resource in resources:
try:
action(resource)
print(success_msg % resource)
except Exception as e:
failure_flag = True
print(e)
if failure_flag:
raise exceptions.MistralClientException(error_msg)
def load_content(content):
if content is None or content == '':
return dict()
try:
data = yaml.safe_load(content)
except Exception:
data = jsonutils.loads(content)
return data
def load_file(path):
with open(path, 'r') as f:
return load_content(f.read())
def get_contents_if_file(contents_or_file_name):
"""Get the contents of a file.
If the value passed in is a file name or file URI, return the
contents. If not, or there is an error reading the file contents,
return the value passed in as the contents.
For example, a workflow definition will be returned if either the
workflow definition file name, or file URI are passed in, or the
actual workflow definition itself is passed in.
"""
try:
if parse.urlparse(contents_or_file_name).scheme:
definition_url = contents_or_file_name
else:
path = os.path.abspath(contents_or_file_name)
definition_url = parse.urljoin(
'file:',
request.pathname2url(path)
)
return request.urlopen(definition_url).read().decode('utf8')
except Exception:
return contents_or_file_name
def load_json(input_string):
try:
# binary mode is needed due to bug/1515231
with open(input_string, 'r+b') as fh:
return jsonutils.load(fh)
except IOError:
return jsonutils.loads(input_string)