Method get_output

Lib/test/test_faulthandler.py:67–106

Run the specified code in Python (in a new child process) and read the output from the standard error or from a file (if filename is set). Return the output lines as a list. Strip the reference count from the standard error for Python debug build, and replac

(self, code, filename=None, fd=None)

class FaultHandlerTests(unittest.TestCase):

    def get_output(self, code, filename=None, fd=None):
        """
        Run the specified code in Python (in a new child process) and read the
        output from the standard error or from a file (if filename is set).
        Return the output lines as a list.

        Strip the reference count from the standard error for Python debug
        build, and replace "Current thread 0x00007f8d8fbd9700" by "Current
        thread XXX".
        """
        code = dedent(code).strip()
        pass_fds = []
        if fd is not None:
            pass_fds.append(fd)
        env = dict(os.environ)

        # Sanitizers must not handle SIGSEGV (ex: for test_enable_fd())
        option = 'handle_segv=0'
        support.set_sanitizer_env_var(env, option)

        with support.SuppressCrashReport():
            process = script_helper.spawn_python('-c', code,
                                                 pass_fds=pass_fds,
                                                 env=env)
            with process:
                output, stderr = process.communicate()
                exitcode = process.wait()
        output = output.decode('ascii', 'backslashreplace')
        if filename:
            self.assertEqual(output, '')
            with open(filename, "rb") as fp:
                output = fp.read()
            output = output.decode('ascii', 'backslashreplace')
        elif fd is not None:
            self.assertEqual(output, '')
            os.lseek(fd, os.SEEK_SET, 0)
            with open(fd, "rb", closefd=False) as fp:
                output = fp.read()
            output = output.decode('ascii', 'backslashreplace')
        return output.splitlines(), exitcode

    def check_error(self, code, lineno, fatal_error, *,
                    filename=None, all_threads=True, other_regex=None,