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How to use get_info_from_core method in autotest

Best Python code snippet using autotest_python

crash_handler.py

Source:crash_handler.py

...76        results_dir_list = pid_dir_dict.values()77    return (results_dir_list or78            pid_dir_dict.values() or79            [os.path.join("/tmp", core_dir_basename)])80def get_info_from_core(path):81    """82    Reads a core file and extracts a dictionary with useful core information.83    Right now, the only information extracted is the full executable name.84    @param path: Path to core file.85    """86    full_exe_path = None87    output = commands.getoutput('gdb -c %s batch' % path)88    path_pattern = re.compile("Core was generated by `([^\0]+)'", re.IGNORECASE)89    match = re.findall(path_pattern, output)90    for m in match:91        # Sometimes the command line args come with the core, so get rid of them92        m = m.split(" ")[0]93        if os.path.isfile(m):94            full_exe_path = m95            break96    if full_exe_path is None:97        syslog.syslog("Could not determine from which application core file %s "98                      "is from" % path)99    return {'full_exe_path': full_exe_path}100def gdb_report(path):101    """102    Use GDB to produce a report with information about a given core.103    @param path: Path to core file.104    """105    # Get full command path106    exe_path = get_info_from_core(path)['full_exe_path']107    basedir = os.path.dirname(path)108    gdb_command_path = os.path.join(basedir, 'gdb_cmd')109    if exe_path is not None:110        # Write a command file for GDB111        gdb_command = 'bt full\n'112        write_to_file(gdb_command_path, gdb_command)113        # Take a backtrace from the running program114        gdb_cmd = ('gdb -e %s -c %s -x %s -n -batch -quiet' %115                   (exe_path, path, gdb_command_path))116        backtrace = commands.getoutput(gdb_cmd)117        # Sanitize output before passing it to the report118        backtrace = backtrace.decode('utf-8', 'ignore')119    else:120        exe_path = "Unknown"...

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