40a3e39d38
Change-Id: I0bd5b6f871cc59e6fb5f29da9daa175524541132 Signed-off-by: Doug Hellmann <doug@doughellmann.com>
83 lines
2.7 KiB
Python
83 lines
2.7 KiB
Python
# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import subprocess
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LOG = logging.getLogger(__name__)
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from subprocess import CalledProcessError # noqa
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def _multi_line_log(level, msg):
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for line in msg.splitlines():
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LOG.log(level, line)
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def check_call(*popenargs, timeout=None, **kwargs):
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# A variation of subprocess.check_call that captures and then
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# logs the output of the command which makes it easier for tests
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# to capture it.
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kwargs['stdout'] = subprocess.PIPE
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kwargs['stderr'] = subprocess.STDOUT
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cmd = kwargs.get("args")
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if cmd is None:
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cmd = popenargs[0]
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LOG.debug('$ {}'.format(' '.join(cmd)))
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completed = subprocess.run(*popenargs, **kwargs)
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_multi_line_log(logging.DEBUG, completed.stdout.decode('utf-8'))
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if completed.returncode:
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raise subprocess.CalledProcessError(completed.returncode, cmd)
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return 0
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def check_output(*popenargs, timeout=None, **kwargs):
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# A variation of subprocess.check_output that captures stderr and
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# logs it instead of letting it go to the console directly to make
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# it easier for tests to capture it.
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# NOTE(dhellmann): copied from subprocess.py vv
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if 'stdout' in kwargs:
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raise ValueError('stdout argument not allowed, it will be overridden.')
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if 'input' in kwargs and kwargs['input'] is None:
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# Explicitly passing input=None was previously equivalent to passing an
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# empty string. That is maintained here for backwards compatibility.
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kwargs['input'] = '' if kwargs.get('universal_newlines', False) else b''
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# NOTE(dhellmann): end copied from subprocess.py ^^
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cmd = kwargs.get("args")
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if cmd is None:
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cmd = popenargs[0]
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LOG.debug('$ {}'.format(' '.join(cmd)))
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if 'stderr' not in kwargs:
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kwargs['stderr'] = subprocess.PIPE
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completed = subprocess.run(*popenargs,
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stdout=subprocess.PIPE,
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timeout=timeout,
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check=True,
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**kwargs)
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if completed.stderr:
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_multi_line_log(logging.WARNING, completed.stderr.decode('utf-8'))
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return completed.stdout
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