reno/reno/utils.py
Doug Hellmann 8df79bf2b8 handle deleted notes properly
We had handling for renamed notes but not for deleted files. Add
handling with tests.

Change-Id: I20e40c6e60eee7840018abec07d23bc0be7cf696
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
2016-03-15 13:59:11 -04:00

62 lines
2.0 KiB
Python

# 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
from reno import defaults
LOG = logging.getLogger(__name__)
def get_notes_dir(args):
"""Return the path to the release notes directory."""
return os.path.join(args.relnotesdir, defaults.NOTES_SUBDIR)
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')