Python subprocess._cleanup() Examples

def _assert_python(expected_success, *args, **env_vars):
    cmd_line = [sys.executable]
    if not env_vars:
        cmd_line.append('-E')
    cmd_line.extend(args)
    # Need to preserve the original environment, for in-place testing of
    # shared library builds.
    env = os.environ.copy()
    env.update(env_vars)
    p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                         env=env)
    try:
        out, err = p.communicate()
    finally:
        subprocess._cleanup()
        p.stdout.close()
        p.stderr.close()
    rc = p.returncode
    err =  strip_python_stderr(err)
    if (rc and expected_success) or (not rc and not expected_success):
        raise AssertionError(
            "Process return code is %d, "
            "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
    return rc, out, err 

def _assert_python(expected_success, *args, **env_vars):
    cmd_line = [sys.executable]
    if not env_vars:
        cmd_line.append('-E')
    cmd_line.extend(args)
    # Need to preserve the original environment, for in-place testing of
    # shared library builds.
    env = os.environ.copy()
    env.update(env_vars)
    p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                         env=env)
    try:
        out, err = p.communicate()
    finally:
        subprocess._cleanup()
        p.stdout.close()
        p.stderr.close()
    rc = p.returncode
    err =  strip_python_stderr(err)
    if (rc and expected_success) or (not rc and not expected_success):
        raise AssertionError(
            "Process return code is %d, "
            "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
    return rc, out, err 

def _assert_python(expected_success, *args, **env_vars):
    cmd_line = [sys.executable]
    if not env_vars:
        cmd_line.append('-E')
    cmd_line.extend(args)
    # Need to preserve the original environment, for in-place testing of
    # shared library builds.
    env = os.environ.copy()
    env.update(env_vars)
    p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                         env=env)
    try:
        out, err = p.communicate()
    finally:
        subprocess._cleanup()
        p.stdout.close()
        p.stderr.close()
    rc = p.returncode
    err =  strip_python_stderr(err)
    if (rc and expected_success) or (not rc and not expected_success):
        raise AssertionError(
            "Process return code is %d, "
            "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
    return rc, out, err 

def _assert_python(expected_success, *args, **env_vars):
    cmd_line = [sys.executable]
    if not env_vars:
        cmd_line.append('-E')
    cmd_line.extend(args)
    # Need to preserve the original environment, for in-place testing of
    # shared library builds.
    env = os.environ.copy()
    env.update(env_vars)
    p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                         env=env)
    try:
        out, err = p.communicate()
    finally:
        subprocess._cleanup()
        p.stdout.close()
        p.stderr.close()
    rc = p.returncode
    err =  strip_python_stderr(err)
    if (rc and expected_success) or (not rc and not expected_success):
        raise AssertionError(
            "Process return code is %d, "
            "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
    return rc, out, err 

def _assert_python(expected_success, *args, **env_vars):
    cmd_line = [sys.executable]
    if not env_vars:
        cmd_line.append('-E')
    cmd_line.extend(args)
    # Need to preserve the original environment, for in-place testing of
    # shared library builds.
    env = os.environ.copy()
    env.update(env_vars)
    p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                         env=env)
    try:
        out, err = p.communicate()
    finally:
        subprocess._cleanup()
        p.stdout.close()
        p.stderr.close()
    rc = p.returncode
    err =  strip_python_stderr(err)
    if (rc and expected_success) or (not rc and not expected_success):
        raise AssertionError(
            "Process return code is %d, "
            "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
    return rc, out, err 

def _assert_python(expected_success, *args, **env_vars):
    cmd_line = [sys.executable]
    if not env_vars:
        cmd_line.append('-E')
    cmd_line.extend(args)
    # Need to preserve the original environment, for in-place testing of
    # shared library builds.
    env = os.environ.copy()
    env.update(env_vars)
    p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                         env=env)
    try:
        out, err = p.communicate()
    finally:
        subprocess._cleanup()
        p.stdout.close()
        p.stderr.close()
    rc = p.returncode
    err =  strip_python_stderr(err)
    if (rc and expected_success) or (not rc and not expected_success):
        raise AssertionError(
            "Process return code is %d, "
            "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
    return rc, out, err 

def _test():
    # When the test runs, there shouldn't be any open pipes
    _cleanup()
    assert not _active, "Active pipes when test starts " + repr([c.cmd for c in _active])
    cmd  = "cat"
    teststr = "ab cd\n"
    if os.name in ("nt", "java"):
        cmd = "more"
    # "more" doesn't act the same way across Windows flavors,
    # sometimes adding an extra newline at the start or the
    # end.  So we strip whitespace off both ends for comparison.
    expected = teststr.strip()
    print "testing popen2..."
    r, w = popen2(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    print "testing popen3..."
    try:
        r, w, e = popen3([cmd])
    except:
        r, w, e = popen3(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    got = e.read()
    if got:
        raise ValueError("unexpected %r on stderr" % (got,))
    for inst in _active[:]:
        inst.wait()
    _cleanup()
    if _active:
        raise ValueError("_active not empty")
    print "All OK" 

def tearDown(self):
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty") 

def setUp(self):
        popen2._cleanup()
        # When the test runs, there shouldn't be any open pipes
        self.assertFalse(popen2._active, "Active pipes when test starts" +
            repr([c.cmd for c in popen2._active])) 

def tearDown(self):
        for inst in popen2._active:
            inst.wait()
        popen2._cleanup()
        self.assertFalse(popen2._active, "popen2._active not empty")
        # The os.popen*() API delegates to the subprocess module (on Unix)
        import subprocess
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty")
        reap_children() 

def _assert_python(expected_success, *args, **env_vars):
    if '__isolated' in env_vars:
        isolated = env_vars.pop('__isolated')
    else:
        isolated = not env_vars
    cmd_line = [sys.executable, '-X', 'faulthandler']
    if isolated and sys.version_info >= (3, 4):
        # isolated mode: ignore Python environment variables, ignore user
        # site-packages, and don't add the current directory to sys.path
        cmd_line.append('-I')
    elif not env_vars:
        # ignore Python environment variables
        cmd_line.append('-E')
    # Need to preserve the original environment, for in-place testing of
    # shared library builds.
    env = os.environ.copy()
    # But a special flag that can be set to override -- in this case, the
    # caller is responsible to pass the full environment.
    if env_vars.pop('__cleanenv', None):
        env = {}
    env.update(env_vars)
    cmd_line.extend(args)
    p = subprocess.Popen(cmd_line, stdin=subprocess.PIPE,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                         env=env)
    try:
        out, err = p.communicate()
    finally:
        subprocess._cleanup()
        p.stdout.close()
        p.stderr.close()
    rc = p.returncode
    err = strip_python_stderr(err)
    if (rc and expected_success) or (not rc and not expected_success):
        raise AssertionError(
            "Process return code is %d, "
            "stderr follows:\n%s" % (rc, err.decode('ascii', 'ignore')))
    return rc, out, err 

def kill_python(p):
    """Run the given Popen process until completion and return stdout."""
    p.stdin.close()
    data = p.stdout.read()
    p.stdout.close()
    # try to cleanup the child so we don't appear to leak when running
    # with regrtest -R.
    p.wait()
    subprocess._cleanup()
    return data 

def tearDown(self):
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty") 

def _test():
    # When the test runs, there shouldn't be any open pipes
    _cleanup()
    assert not _active, "Active pipes when test starts " + repr([c.cmd for c in _active])
    cmd  = "cat"
    teststr = "ab cd\n"
    if os.name in ("nt", "java"):
        cmd = "more"
    # "more" doesn't act the same way across Windows flavors,
    # sometimes adding an extra newline at the start or the
    # end.  So we strip whitespace off both ends for comparison.
    expected = teststr.strip()
    print "testing popen2..."
    r, w = popen2(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    print "testing popen3..."
    try:
        r, w, e = popen3([cmd])
    except:
        r, w, e = popen3(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    got = e.read()
    if got:
        raise ValueError("unexpected %r on stderr" % (got,))
    for inst in _active[:]:
        inst.wait()
    _cleanup()
    if _active:
        raise ValueError("_active not empty")
    print "All OK" 

def _test():
    # When the test runs, there shouldn't be any open pipes
    _cleanup()
    assert not _active, "Active pipes when test starts " + repr([c.cmd for c in _active])
    cmd  = "cat"
    teststr = "ab cd\n"
    if os.name in ("nt", "java"):
        cmd = "more"
    # "more" doesn't act the same way across Windows flavors,
    # sometimes adding an extra newline at the start or the
    # end.  So we strip whitespace off both ends for comparison.
    expected = teststr.strip()
    print "testing popen2..."
    r, w = popen2(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    print "testing popen3..."
    try:
        r, w, e = popen3([cmd])
    except:
        r, w, e = popen3(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    got = e.read()
    if got:
        raise ValueError("unexpected %r on stderr" % (got,))
    for inst in _active[:]:
        inst.wait()
    _cleanup()
    if _active:
        raise ValueError("_active not empty")
    print "All OK" 

def tearDown(self):
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty") 

def kill_python(p):
    p.stdin.close()
    data = p.stdout.read()
    p.stdout.close()
    # try to cleanup the child so we don't appear to leak when running
    # with regrtest -R.
    p.wait()
    subprocess._cleanup()
    return data 

def setUp(self):
        popen2._cleanup()
        # When the test runs, there shouldn't be any open pipes
        self.assertFalse(popen2._active, "Active pipes when test starts" +
            repr([c.cmd for c in popen2._active])) 

def _test():
    # When the test runs, there shouldn't be any open pipes
    _cleanup()
    assert not _active, "Active pipes when test starts " + repr([c.cmd for c in _active])
    cmd  = "cat"
    teststr = "ab cd\n"
    if os.name in ("nt", "java"):
        cmd = "more"
    # "more" doesn't act the same way across Windows flavors,
    # sometimes adding an extra newline at the start or the
    # end.  So we strip whitespace off both ends for comparison.
    expected = teststr.strip()
    print "testing popen2..."
    r, w = popen2(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    print "testing popen3..."
    try:
        r, w, e = popen3([cmd])
    except:
        r, w, e = popen3(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    got = e.read()
    if got:
        raise ValueError("unexpected %r on stderr" % (got,))
    for inst in _active[:]:
        inst.wait()
    _cleanup()
    if _active:
        raise ValueError("_active not empty")
    print "All OK" 

def _test():
    # When the test runs, there shouldn't be any open pipes
    _cleanup()
    assert not _active, "Active pipes when test starts " + repr([c.cmd for c in _active])
    cmd  = "cat"
    teststr = "ab cd\n"
    if os.name in ("nt", "java"):
        cmd = "more"
    # "more" doesn't act the same way across Windows flavors,
    # sometimes adding an extra newline at the start or the
    # end.  So we strip whitespace off both ends for comparison.
    expected = teststr.strip()
    print "testing popen2..."
    r, w = popen2(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    print "testing popen3..."
    try:
        r, w, e = popen3([cmd])
    except:
        r, w, e = popen3(cmd)
    w.write(teststr)
    w.close()
    got = r.read()
    if got.strip() != expected:
        raise ValueError("wrote %r read %r" % (teststr, got))
    got = e.read()
    if got:
        raise ValueError("unexpected %r on stderr" % (got,))
    for inst in _active[:]:
        inst.wait()
    _cleanup()
    if _active:
        raise ValueError("_active not empty")
    print "All OK" 

def kill_python(p):
    p.stdin.close()
    data = p.stdout.read()
    p.stdout.close()
    # try to cleanup the child so we don't appear to leak when running
    # with regrtest -R.
    p.wait()
    subprocess._cleanup()
    return data 

def setUp(self):
        popen2._cleanup()
        # When the test runs, there shouldn't be any open pipes
        self.assertFalse(popen2._active, "Active pipes when test starts" +
            repr([c.cmd for c in popen2._active])) 

def tearDown(self):
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty") 

def kill_python(p):
    p.stdin.close()
    data = p.stdout.read()
    p.stdout.close()
    # try to cleanup the child so we don't appear to leak when running
    # with regrtest -R.
    p.wait()
    subprocess._cleanup()
    return data 

def tearDown(self):
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty")
        self.doCleanups()
        test_support.reap_children() 

def setUp(self):
        popen2._cleanup()
        # When the test runs, there shouldn't be any open pipes
        self.assertFalse(popen2._active, "Active pipes when test starts" +
            repr([c.cmd for c in popen2._active])) 

def tearDown(self):
        for inst in popen2._active:
            inst.wait()
        popen2._cleanup()
        self.assertFalse(popen2._active, "popen2._active not empty")
        # The os.popen*() API delegates to the subprocess module (on Unix)
        import subprocess
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty")
        reap_children() 

def kill_python(p):
    p.stdin.close()
    data = p.stdout.read()
    p.stdout.close()
    # try to cleanup the child so we don't appear to leak when running
    # with regrtest -R.
    p.wait()
    subprocess._cleanup()
    return data 

def tearDown(self):
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty") 

def setUp(self):
        popen2._cleanup()
        # When the test runs, there shouldn't be any open pipes
        self.assertFalse(popen2._active, "Active pipes when test starts" +
            repr([c.cmd for c in popen2._active]))