How to use probe_binary method in avocado

Best Python code snippet using avocado_python

test_basic.py

Source:test_basic.py

...73class My(Test):74    def test(self):75        logging.getLogger("some.other.logger").info("SHOULD NOT BE ON debug.log")76"""77def probe_binary(binary):78    try:79        return utils_path.find_command(binary)80    except utils_path.CmdNotFoundError:81        return None82TRUE_CMD = probe_binary("true")83CC_BINARY = probe_binary("cc")84# On macOS, the default GNU core-utils installation (brew)85# installs the gnu utility versions with a g prefix. It still has the86# BSD versions of the core utilities installed on their expected paths87# but their behavior and flags are in most cases different.88GNU_ECHO_BINARY = probe_binary("echo")89if GNU_ECHO_BINARY is not None:90    if probe_binary("man") is not None:91        echo_cmd = f"man {os.path.basename(GNU_ECHO_BINARY)}"92        echo_manpage = process.run(echo_cmd, env={"LANG": "C"}, encoding="ascii").stdout93        if b"-e" not in echo_manpage:94            GNU_ECHO_BINARY = probe_binary("gecho")95READ_BINARY = probe_binary("read")96SLEEP_BINARY = probe_binary("sleep")97class RunnerOperationTest(TestCaseTmpDir):98    def test_show_version(self):99        result = process.run(f"{AVOCADO} -v", ignore_status=True)100        self.assertEqual(result.exit_status, 0)101        self.assertTrue(102            re.match(r"^Avocado \d+\.\d+$", result.stdout_text),103            (104                f"Version string does not match "105                f"'Avocado \\d\\.\\d:'\n"106                f"{result.stdout_text}"107            ),108        )109    def test_alternate_config_datadir(self):110        """...

metainfo.py

Source:metainfo.py

1import json2import subprocess3from datetime import timedelta4import arrow5FFMPEG_BINARY = "ffmpeg"6PROBE_BINARY = "ffprobe"7def read(filename):8    info = _run_avprobe(filename)9    processors = {10        "creation_time": _process_time,11        "duration": _process_duration,12        "bit_rate": _process_int,13        "size": _process_int,14    }15    for key, fcn in processors.items():16        if key in info:17            info[key] = fcn(info[key])18    return info19def write(in_filename, out_filename, keywords):20    cmd = [FFMPEG_BINARY, "-v", "0", "-i", in_filename, "-metadata"]21    for key, value in keywords.items():22        cmd.append("%s=%s" % (key, value))23    cmd.extend(["-codec", "copy"])24    cmd.append(out_filename)25    subprocess.check_call(cmd)26def _process_duration(txt):27    return timedelta(seconds=float(txt))28def _process_int(txt):29    return int(txt.split(".")[0])30def _process_time(txt):31    return arrow.get(txt).to('local')32def _run_avprobe(filename):33    out = subprocess.check_output(34        [PROBE_BINARY, "-of", "json", "-show_format", filename],35        stderr=subprocess.DEVNULL)36    out = out.decode('utf-8')37    # Return the "format" dict, but flatten the "tags" subdict into it38    dct = json.loads(out)["format"]39    tag_dct = dct.pop("tags")40    dct.update(tag_dct)...

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