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https://github.com/open-quantum-safe/liboqs.git
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51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
import os
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import subprocess
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# subprocess.run is not defined on older versions of Python that are present on our test platform
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# so we need to supply our own backport
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# see https://stackoverflow.com/a/40590445
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def run(*popenargs, input=None, check=False, **kwargs):
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if input is not None:
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if 'stdin' in kwargs:
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raise ValueError('stdin and input arguments may not both be used.')
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kwargs['stdin'] = subprocess.PIPE
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process = subprocess.Popen(*popenargs, **kwargs)
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try:
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stdout, stderr = process.communicate(input)
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except:
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process.kill()
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process.wait()
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raise
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retcode = process.poll()
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if check and retcode:
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raise subprocess.CalledProcessError(
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retcode, process.args, output=stdout, stderr=stderr)
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return retcode, stdout, stderr
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def run_subprocess(command, working_dir='.', env=None, expected_returncode=0, input=None):
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"""
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Helper function to run a shell command and report success/failure
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depending on the exit status of the shell command.
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"""
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if env is not None:
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env_ = os.environ.copy()
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env_.update(env)
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env = env_
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# Note we need to capture stdout/stderr from the subprocess,
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# then print it, which nose/unittest will then capture and
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# buffer appropriately
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print(working_dir + " > " + " ".join(command))
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retcode, stdout, stderr = run(
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command,
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input=input,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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cwd=working_dir,
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env=env,
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)
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print(stdout.decode('utf-8'))
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assert retcode == expected_returncode, "Got unexpected return code {}".format(retcode)
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return stdout.decode('utf-8')
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