1 # Copyright 2017 ZTE Corporation.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
23 logger = logging.getLogger(__name__)
27 if not os.path.exists(path):
28 os.makedirs(path, 0o777)
31 def delete_dirs(path):
33 if os.path.exists(path):
35 except Exception as e:
36 logger.error(traceback.format_exc())
37 logger.error("Failed to delete %s:%s", path, e.args[0])
40 def download_file_from_http(url, local_dir, file_name):
41 local_file_name = os.path.join(local_dir, file_name)
42 is_download_ok = False
45 req = urllib.request.urlopen(url)
46 save_file = open(local_file_name, 'w')
47 save_file.write(req.read())
52 logger.error(traceback.format_exc())
53 logger.error("Failed to download %s to %s.", url, local_file_name)
54 return is_download_ok, local_file_name
57 def unzip_file(zip_src, dst_dir, csar_path):
58 if os.path.exists(zip_src):
59 fz = zipfile.ZipFile(zip_src, 'r')
60 for file in fz.namelist():
61 fz.extract(file, dst_dir)
62 return os.path.join(dst_dir, csar_path)
67 def unzip_csar_to_tmp(zip_src):
68 dirpath = tempfile.mkdtemp()
69 zip_ref = zipfile.ZipFile(zip_src, 'r')
70 zip_ref.extractall(dirpath)
74 def get_artifact_path(vnf_path, artifact_file):
75 for root, dirs, files in os.walk(vnf_path):
76 if artifact_file in files:
77 return os.path.join(root, artifact_file)