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How to use collect_errors_by_level method in avocado

Best Python code snippet using avocado_python

dmesg.py

Source:dmesg.py

...42            @wraps(func)43            def wrapper(*args, **kwargs):44                try:45                    data = func(*args, **kwargs)46                    collect_errors_by_level(level_check=level)47                    return data48                except DmesgError as details:49                    raise TestFail(repr(details)) from details50            return wrapper51        for key, value in list(vars(cls).items()):52            if callable(value) and value.__name__.startswith('test'):53                setattr(cls, key, raise_dmesg_fail(value))54        return cls55    return dmesg_fail56def clear_dmesg():57    """function clear dmesg.58    The dmesg operation is a privileged user task.59    This function needs sudo permissions enabled on the target host60    """61    cmd = "dmesg -c"62    status = process.system(cmd, timeout=30, ignore_status=True,63                            verbose=False, shell=True, sudo=True)64    if status:65        raise DmesgError(66            "Unable to clear dmesg as some issue while clearing")67def collect_dmesg(output_file=None):68    """Function collect dmesg and save in file.69    The dmesg operation is a privileged user task.70    This function needs sudo permissions enabled on the target host71    :param output_file: File use for save dmesg output if not provided it use72                        tmp file which located in system  /tmp path73    :type output_file: str74    :returns: file which contain dmesg75    :rtype: str76    """77    if output_file is None:78        _, output_file = tempfile.mkstemp(suffix=".-%s" % time.strftime("%Y-%m-%d:%H:%M:%S"),79                                          dir=tempfile.gettempdir())80    dmesg = process.system_output(81        "dmesg", ignore_status=True, sudo=True).decode()82    genio.write_file(output_file, dmesg)83    if not os.path.isfile(output_file):84        raise DmesgError("{} is not a valid file.".format(output_file))85    return output_file86def collect_errors_dmesg(patterns):87    """Check patterns in dmesg.88    :param patterns : list variable to search in dmesg89    :returns: error log in form of list90    :rtype: list of str91    """92    error = []93    dmesg_log_file = collect_dmesg(None)94    for fail_pattern in patterns:95        for log in genio.read_file(dmesg_log_file).splitlines():96            if fail_pattern in log:97                error.append(log)98    return error99def collect_errors_by_level(output_file=None, level_check=5, skip_errors=None):100    """Verify dmesg having severity level of OS issue(s).101    :param output_file: The file used to save dmesg102    :type output_file: str103    :param level_check: level of severity of issues to be checked104                        1 - emerg105                        2 - emerg,alert106                        3 - emerg,alert,crit107                        4 - emerg,alert,crit,err108                        5 - emerg,alert,crit,err,warn109    :type level_check: int110    :skip_errors: list of dmesg error messages which want skip111    :type skip_errors: list112    """113    if not isinstance(level_check, int):...

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