/usr/lib/python3/dist-packages/reno/utils.py is in python3-reno 2.5.0-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | # 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 binascii
import logging
import os
import os.path
import random
import subprocess
LOG = logging.getLogger(__name__)
def get_random_string(nbytes=8):
"""Return a fixed-length random string
:rtype: six.text_type
"""
try:
# NOTE(dhellmann): Not all systems support urandom().
# hexlify returns six.binary_type, decode to convert to six.text_type.
val = binascii.hexlify(os.urandom(nbytes)).decode('utf-8')
except Exception as e:
print('ERROR, perhaps urandom is not supported: %s' % e)
val = u''.join(u'%02x' % random.randrange(256)
for i in range(nbytes))
return val
def check_output(*args, **kwds):
"""Unicode-aware wrapper for subprocess.check_output"""
process = subprocess.Popen(stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
*args, **kwds)
output, errors = process.communicate()
retcode = process.poll()
if errors:
LOG.debug('ran: %s', ' '.join(*args))
LOG.debug('returned: %s', retcode)
LOG.debug('error output: %s', errors.rstrip())
LOG.debug('regular output: %s', output.rstrip())
if retcode:
LOG.debug('raising error')
raise subprocess.CalledProcessError(retcode, args, output=output)
return output.decode('utf-8')
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