Python faulthandler.is_enabled() Examples

The following are 17 code examples of faulthandler.is_enabled(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module faulthandler , or try the search function .
Example #1
Source File: faulthandler.py    From pytest with MIT License 6 votes vote down vote up 
def pytest_configure(config: Config) -> None:
    import faulthandler

    if not faulthandler.is_enabled():
        # faulthhandler is not enabled, so install plugin that does the actual work
        # of enabling faulthandler before each test executes.
        config.pluginmanager.register(FaultHandlerHooks(), "faulthandler-hooks")
    else:
        from _pytest.warnings import _issue_warning_captured

        # Do not handle dumping to stderr if faulthandler is already enabled, so warn
        # users that the option is being ignored.
        timeout = FaultHandlerHooks.get_timeout_config_value(config)
        if timeout > 0:
            _issue_warning_captured(
                pytest.PytestConfigWarning(
                    "faulthandler module enabled before pytest configuration step, "
                    "'faulthandler_timeout' option ignored"
                ),
                config.hook,
                stacklevel=2,
            )
Example #2
Source File: test_faulthandler.py    From Fluid-Designer with GNU General Public License v3.0 6 votes vote down vote up 
def test_is_enabled(self):
        orig_stderr = sys.stderr
        try:
            # regrtest may replace sys.stderr by io.StringIO object, but
            # faulthandler.enable() requires that sys.stderr has a fileno()
            # method
            sys.stderr = sys.__stderr__

            was_enabled = faulthandler.is_enabled()
            try:
                faulthandler.enable()
                self.assertTrue(faulthandler.is_enabled())
                faulthandler.disable()
                self.assertFalse(faulthandler.is_enabled())
            finally:
                if was_enabled:
                    faulthandler.enable()
                else:
                    faulthandler.disable()
        finally:
            sys.stderr = orig_stderr
Example #3
Source File: test_faulthandler.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 6 votes vote down vote up 
def test_is_enabled(self):
        orig_stderr = sys.stderr
        try:
            # regrtest may replace sys.stderr by io.StringIO object, but
            # faulthandler.enable() requires that sys.stderr has a fileno()
            # method
            sys.stderr = sys.__stderr__

            was_enabled = faulthandler.is_enabled()
            try:
                faulthandler.enable()
                self.assertTrue(faulthandler.is_enabled())
                faulthandler.disable()
                self.assertFalse(faulthandler.is_enabled())
            finally:
                if was_enabled:
                    faulthandler.enable()
                else:
                    faulthandler.disable()
        finally:
            sys.stderr = orig_stderr
Example #4
Source File: test_faulthandler.py    From ironpython3 with Apache License 2.0 6 votes vote down vote up 
def test_is_enabled(self):
        orig_stderr = sys.stderr
        try:
            # regrtest may replace sys.stderr by io.StringIO object, but
            # faulthandler.enable() requires that sys.stderr has a fileno()
            # method
            sys.stderr = sys.__stderr__

            was_enabled = faulthandler.is_enabled()
            try:
                faulthandler.enable()
                self.assertTrue(faulthandler.is_enabled())
                faulthandler.disable()
                self.assertFalse(faulthandler.is_enabled())
            finally:
                if was_enabled:
                    faulthandler.enable()
                else:
                    faulthandler.disable()
        finally:
            sys.stderr = orig_stderr
Example #5
Source File: test_faulthandler.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_env_var(self):
        # empty env var
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = (sys.executable, "-c", code)
        env = os.environ.copy()
        env['PYTHONFAULTHANDLER'] = ''
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"False")

        # non-empty env var
        env = os.environ.copy()
        env['PYTHONFAULTHANDLER'] = '1'
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"True")
Example #6
Source File: test_faulthandler.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_env_var(self):
        # empty env var
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = (sys.executable, "-c", code)
        env = os.environ.copy()
        env['PYTHONFAULTHANDLER'] = ''
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"False")

        # non-empty env var
        env = os.environ.copy()
        env['PYTHONFAULTHANDLER'] = '1'
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"True")
Example #7
Source File: test_faulthandler.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_sys_xoptions(self):
        # Test python -X faulthandler
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = filter(None, (sys.executable,
                             "-E" if sys.flags.ignore_environment else "",
                             "-X", "faulthandler", "-c", code))
        env = os.environ.copy()
        env.pop("PYTHONFAULTHANDLER", None)
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"True")
Example #8
Source File: test_faulthandler.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def test_disabled_by_default(self):
        # By default, the module should be disabled
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = filter(None, (sys.executable,
                             "-E" if sys.flags.ignore_environment else "",
                             "-c", code))
        env = os.environ.copy()
        env.pop("PYTHONFAULTHANDLER", None)
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"False")
Example #9
Source File: test_faulthandler.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_env_var(self):
        # empty env var
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = (sys.executable, "-c", code)
        env = os.environ.copy()
        env['PYTHONFAULTHANDLER'] = ''
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"False")

        # non-empty env var
        env = os.environ.copy()
        env['PYTHONFAULTHANDLER'] = '1'
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"True")
Example #10
Source File: test_faulthandler.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_sys_xoptions(self):
        # Test python -X faulthandler
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = filter(None, (sys.executable,
                             "-E" if sys.flags.ignore_environment else "",
                             "-X", "faulthandler", "-c", code))
        env = os.environ.copy()
        env.pop("PYTHONFAULTHANDLER", None)
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"True")
Example #11
Source File: test_faulthandler.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def test_disabled_by_default(self):
        # By default, the module should be disabled
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = filter(None, (sys.executable,
                             "-E" if sys.flags.ignore_environment else "",
                             "-c", code))
        env = os.environ.copy()
        env.pop("PYTHONFAULTHANDLER", None)
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"False")
Example #12
Source File: faulthandler.py    From python-netsurv with MIT License 5 votes vote down vote up 
def pytest_configure(config):
    import faulthandler

    # avoid trying to dup sys.stderr if faulthandler is already enabled
    if faulthandler.is_enabled():
        return

    stderr_fd_copy = os.dup(_get_stderr_fileno())
    config.fault_handler_stderr = os.fdopen(stderr_fd_copy, "w")
    faulthandler.enable(file=config.fault_handler_stderr)
Example #13
Source File: test_faulthandler.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_sys_xoptions(self):
        # Test python -X faulthandler
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = filter(None, (sys.executable,
                             "-E" if sys.flags.ignore_environment else "",
                             "-X", "faulthandler", "-c", code))
        env = os.environ.copy()
        env.pop("PYTHONFAULTHANDLER", None)
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"True")
Example #14
Source File: test_faulthandler.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def test_disabled_by_default(self):
        # By default, the module should be disabled
        code = "import faulthandler; print(faulthandler.is_enabled())"
        args = filter(None, (sys.executable,
                             "-E" if sys.flags.ignore_environment else "",
                             "-c", code))
        env = os.environ.copy()
        env.pop("PYTHONFAULTHANDLER", None)
        # don't use assert_python_ok() because it always enables faulthandler
        output = subprocess.check_output(args, env=env)
        self.assertEqual(output.rstrip(), b"False")
Example #15
Source File: test_faulthandler.py    From pytest with MIT License 5 votes vote down vote up 
def test_already_initialized(faulthandler_timeout, testdir):
    """Test for faulthandler being initialized earlier than pytest (#6575)"""
    testdir.makepyfile(
        """
        def test():
            import faulthandler
            assert faulthandler.is_enabled()
    """
    )
    result = testdir.run(
        sys.executable,
        "-X",
        "faulthandler",
        "-mpytest",
        testdir.tmpdir,
        "-o",
        "faulthandler_timeout={}".format(faulthandler_timeout),
    )
    # ensure warning is emitted if faulthandler_timeout is configured
    warning_line = "*faulthandler.py*faulthandler module enabled before*"
    if faulthandler_timeout > 0:
        result.stdout.fnmatch_lines(warning_line)
    else:
        result.stdout.no_fnmatch_line(warning_line)
    result.stdout.fnmatch_lines("*1 passed*")
    assert result.ret == 0
Example #16
Source File: test_faulthandler.py    From pytest with MIT License 5 votes vote down vote up 
def test_disabled(testdir):
    """Test option to disable fault handler in the command line.
    """
    testdir.makepyfile(
        """
    import faulthandler
    def test_disabled():
        assert not faulthandler.is_enabled()
    """
    )
    result = testdir.runpytest_subprocess("-p", "no:faulthandler")
    result.stdout.fnmatch_lines(["*1 passed*"])
    assert result.ret == 0
Example #17
Source File: faulthandler.py    From python-netsurv with MIT License 5 votes vote down vote up 
def pytest_configure(config):
    import faulthandler

    # avoid trying to dup sys.stderr if faulthandler is already enabled
    if faulthandler.is_enabled():
        return

    stderr_fd_copy = os.dup(_get_stderr_fileno())
    config.fault_handler_stderr = os.fdopen(stderr_fd_copy, "w")
    faulthandler.enable(file=config.fault_handler_stderr)