10 examples of 'python subprocess get output' in Python

Every line of 'python subprocess get output' code snippets is scanned for vulnerabilities by our powerful machine learning engine that combs millions of open source libraries, ensuring your Python code is secure.

All examples are scanned by Snyk Code

By copying the Snyk Code Snippets you agree to
this disclaimer
19def check_output(*popenargs, **kwargs):
20 """Backported from Python 2.7 as it's implemented as pure python on stdlib."""
21
22 process = subprocess.Popen(stdout=subprocess.PIPE, *popenargs, **kwargs)
23 output, unused_err = process.communicate()
24 retcode = process.poll()
25 if retcode:
26 cmd = kwargs.get("args")
27 if cmd is None:
28 cmd = popenargs[0]
29 error = subprocess.CalledProcessError(retcode, cmd)
30 error.output = output
31 raise error
32 return output
Important

Use secure code every time

Secure your code as it's written. Use Snyk Code to scan source code in minutes – no build needed – and fix issues immediately. Enable Snyk Code

38def check_output(*popenargs, **kwargs):
39 process = subprocess.Popen(stdout=subprocess.PIPE,
40 *popenargs, **kwargs)
41 output, unused_err = process.communicate()
42 retcode = process.poll()
43 if retcode:
44 cmd = kwargs.get("args")
45 if cmd is None:
46 cmd = popenargs[0]
47 raise subprocess.CalledProcessError(retcode, cmd)
48 return output
493def check_output(params):
494 """
495 Python 2.6 support: subprocess.check_output from Python 2.7.
496 """
497 popen = subprocess.Popen(params, shell=True, stderr=subprocess.STDOUT,
498 stdout=subprocess.PIPE)
499
500 output, _ = popen.communicate()
501 returncode = popen.poll()
502 if returncode != 0:
503 error = subprocess.CalledProcessError(returncode=returncode, cmd=params)
504 error.output = output
505 raise error
506 return output
12def check_output(*args, **kwargs):
13 from subprocess import Popen
14 proc = Popen(*args, **kwargs)
15 output, _ = proc.communicate()
16 rv = proc.poll()
17 assert rv == 0, output
5def run(cmd, shell=True, check=True, stdout=PIPE, stderr=PIPE):
6 return _run(cmd, shell=shell, check=check, stdout=stdout,
7 stderr=stderr).stdout.decode()
24def check_output(*popenargs, **kwargs):
25 r"""Run command with arguments and return its output as a byte string.
26 Backported from Python 2.7 as it's implemented as pure python on stdlib.
27 >>> check_output(['/usr/bin/python', '--version'])
28 Python 2.6.2
29 """
30 os.environ['PYTHONPATH'] = os.getcwd()
31 process = subprocess.Popen(stdout=subprocess.PIPE, *popenargs, **kwargs)
32 output, unused_err = process.communicate()
33 retcode = process.poll()
34 if retcode:
35 cmd = kwargs.get("args")
36 if cmd is None:
37 cmd = popenargs[0]
38 error = subprocess.CalledProcessError(retcode, cmd)
39 error.output = output
40 raise error
41 return output
220def _check_output(*popenargs, **kwargs):
221 # Copyright (c) 2003-2005 by Peter Astrand <astrand@lysator.liu.se>
222 #
223 # Licensed to PSF under a Contributor Agreement.
224 # See http://www.python.org/2.4/license for licensing details.
225 if 'stdout' in kwargs:
226 raise ValueError('stdout argument not allowed, it will be overridden.')
227 process = Popen(stdout=PIPE, *popenargs, **kwargs)
228 output, _ = process.communicate()
229 retcode = process.poll()
230 if retcode:
231 cmd = kwargs.get("args")
232 if cmd is None:
233 cmd = popenargs[0]
234 e = CalledProcessError(retcode, cmd)
235 e.output = output
236 raise e
237 return output
4def execute_in_subprocess(command):
5 proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
6 stdout, stderr = proc.communicate()
7 stdout = stdout.decode().split('\n')
8 stderr = stderr.decode().split('\n')
9
10 if stdout[-1] == '':
11 del stdout[-1]
12 if stderr[-1] == '':
13 del stderr[-1]
14 if stderr:
15 print(stdout)
16 print(stderr)
17 raise RuntimeError
18 return stdout
18def getOutput(command):
19 # redirect stderr to stdout
20 try:
21 output = subprocess.check_output(command, stderr=subprocess.STDOUT)
22 except subprocess.CalledProcessError as e:
23 output = e.output
24 # in Python 3.x, check_output returns bytes
25 if sys.version_info >= (3, 0): output = output.decode()
26 # strip trailing newlines
27 output = output.rstrip("\r\n")
28 return output
12def _check_output(args):
13 return subprocess.check_output(args).decode("utf8")

Related snippets