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How to use execute_safely method in autotest

Best Python code snippet using autotest_python

real-time-settings

Source:real-time-settings

...53  def rt_settings_on(self):54    pass55  def rt_settings_off(self):56    pass57  def execute_safely(self, function, *args, **kwargs):58    """59    Method prints what would be done if simulating or60    does it otherwise.61    """62    def as_pretty_string():63      return "%s.%s(%s, %s)" % (64        function.__module__,65        function.__name__,66        ', '.join((repr(arg) for arg in args)),67        ', '.join(( "%s=%s" % (repr(k), repr(v))68              for k, v in kwargs.items())),69      )70    if cli_args.simulate:71      print("simulating - would execute: %s" % (72        as_pretty_string()73      ))74      return75    else:76      logging.debug("executing " + as_pretty_string())77      return function(*args, **kwargs)78  def service(self, name, action):79    if not hasattr(ActionBase, "_available_services_cache"):80      ActionBase._available_services_cache = []81      output = check_output(("systemctl", "list-unit-files"),82                            universal_newlines=True)83      for line in output.split("\n")[1:-3]:84        service_name = path.splitext(line.split(" ")[0])[0]85        if service_name != "":86          ActionBase._available_services_cache.append(service_name)87      logging.debug("found services %r" %88                    ActionBase._available_services_cache)89    if name not in ActionBase._available_services_cache:90      logging.info("service '%s' does not seem to exist" % name)91      return92    self.execute_safely(call, (which("systemctl"), action, name))93  def service_start(self, name):94    self.service(name, "start")95  def service_stop(self, name):96    self.service(name, "stop")97  def _load_all_from_temp(self):98    try:99      with open(self.TEMPFILE, "r") as handle:100          return json_load(handle)101    except (ValueError, FileNotFoundError):102      return {}103  def load_from_temp(self, key, default=None):104    self._load_all_from_temp().get(key, default)105  def store_to_temp(self, key, value):106    obj = self._load_all_from_temp()107    obj[key] = value108    with open(self.TEMPFILE, "w+") as handle:109      return json_dump(obj, handle)110  def store_and_replace_content_in_file(self, file_path, value):111    with open(file_path) as handle:112      content = handle.readline().strip()113    self.store_to_temp(file_path, content)114    with open(file_path, "w+") as handle:115      handle.write(str(value))116  def restore_or_set_default_content_in_file(self, file_path, default):117    loaded = self.load_from_temp(file_path)118    with open(file_path, "w+") as handle:119      handle.write(str(loaded or default))120class CheckForRealTimeKernel(ActionBase):121  def rt_settings_on(self):122    SYS_RT_FILE = "/sys/kernel/realtime"123    if path.isfile(SYS_RT_FILE):124      with open(SYS_RT_FILE) as sys_rt:125        if sys_rt.readline() == "1":126          logging.debug("found %s with '1' in it" % SYS_RT_FILE)127          return128    uname = get_uname()129    if uname.release.endswith("+rt"):130      logging.debug("found +rt in kernel release")131      return132    if " RT " in uname.version:133      logging.debug("found RT in kernel version")134      return135    if " PREEMPT " in uname.version:136      logging.debug("found PREEMT in kernel version")137      return138    logging.warn("You don't seem to be using a real-time kernel.")139settings_modules.append(CheckForRealTimeKernel)140class Cron(ActionBase):141  def rt_settings_on(self):142    self.service_stop("cron")143    self.service_stop("crond")144    self.service_stop("cronie")145  def rt_settings_off(self):146    self.service_start("cron")147    self.service_start("crond")148    self.service_start("cronie")149settings_modules.append(Cron)150class Anacron(ActionBase):151  def rt_settings_on(self):152    self.service_stop("anacron.service")153    self.service_stop("anacron.timer")154  def rt_settings_off(self):155    self.service_start("anacron.service")156    self.service_start("anacron.timer")157settings_modules.append(Anacron)158class Tlp(ActionBase):159  def rt_settings_on(self):160    self.service_stop("tlp")161  def rt_settings_off(self):162    self.service_start("tlp")163settings_modules.append(Tlp)164class TuneD(ActionBase):165  def rt_settings_on(self):166    self.service_stop("tuned")167  def rt_settings_off(self):168    self.service_start("tuned")169settings_modules.append(TuneD)170class FrequencyScaling(ActionBase):171  CPUFREQ_BASE_PATH = "/sys/devices/system/cpu/cpu%i/cpufreq"172  CPUFREQ_MIN = path.join(CPUFREQ_BASE_PATH, "cpuinfo_min_freq")173  CPUFREQ_MAX = path.join(CPUFREQ_BASE_PATH, "cpuinfo_max_freq")174  CPUFREQ_MIN_ALLOWED = path.join(CPUFREQ_BASE_PATH, "scaling_min_freq")175  def rt_settings_on(self):176    for cpu_num in range(cpu_count()):177      self.execute_safely(178        copyfile,179        self.CPUFREQ_MAX % cpu_num,180        self.CPUFREQ_MIN_ALLOWED % cpu_num181      )182  def rt_settings_off(self):183    for cpu_num in range(cpu_count()):184      self.execute_safely(185        copyfile,186        self.CPUFREQ_MIN % cpu_num,187        self.CPUFREQ_MIN_ALLOWED % cpu_num188      )189settings_modules.append(FrequencyScaling)190class CpuGovernor(ActionBase):191  GOVERNOR_FILE_PATH_TEMPLATE = "/sys/devices/system/cpu/cpu%i/cpufreq/scaling_governor"192  GOVERNOR_ON = "performance"193  GOVERNOR_OFF_DEFAULT = "powersave"194  def rt_settings_on(self):195    for cpu_num in range(cpu_count()):196      self.execute_safely(self.store_and_replace_content_in_file,197                          self.GOVERNOR_FILE_PATH_TEMPLATE % cpu_num,198                          self.GOVERNOR_ON)199  def rt_settings_off(self):200    for cpu_num in range(cpu_count()):201      self.execute_safely(self.store_and_replace_content_in_file,202                          self.GOVERNOR_FILE_PATH_TEMPLATE % cpu_num,203                          self.GOVERNOR_OFF_DEFAULT)204settings_modules.append(CpuGovernor)205class TurboBoost(ActionBase):206  NO_TURBO_FILE_NAME = "/sys/devices/system/cpu/intel_pstate/no_turbo"207  NO_TURBO_ON = 1208  NO_TURBO_OFF_DEFAULT = 0209  def rt_settings_on(self):210    self.execute_safely(self.store_and_replace_content_in_file,211                        self.NO_TURBO_FILE_NAME,212                        self.NO_TURBO_ON)213  def rt_settings_off(self):214    self.execute_safely(self.restore_or_set_default_content_in_file,215                        self.NO_TURBO_FILE_NAME,216                        self.NO_TURBO_OFF_DEFAULT)217settings_modules.append(TurboBoost)218#219# execution of settings modules220#221if cli_args.list:222  for action in settings_modules:223    print(action.__name__)224  exit(0)225# assort ignored settings module226unignored_settings_modules = list(settings_modules)227for settings_module in settings_modules:228  settings_module_name = settings_module.__name__...

TestEverything.py

Source:TestEverything.py

...50            ["am ba", "ra ba", "ci ci", "co co"],51            element_wise_merge(["am", "ra", "ci", "co"], ["ba", "ba", "ci", "co"]))5253    # Task 754    def test_execute_safely(self):55        self.assertAlmostEqual(5, execute_safely(lambda x, y: x + y, 2, 3))56        self.assertAlmostEqual(6, execute_safely(lambda x, y: x * y, 2, 3))57        self.assertAlmostEqual(5, execute_safely(lambda x, y: x / y, 10, 2))58        self.assertAlmostEqual(-1, execute_safely(lambda x, y: x / y, 1, 0))59        self.assertAlmostEqual(-1, execute_safely(lambda x, y: math.pow(x, y), -1, 0.5))6061    # Task 862    def test_area(self):63        rectangle = Rectangle(3, 4)  # 3 x 4 rectangle64        self.assertAlmostEqual(12, rectangle.area())65        circle = Circle(2)  # circle with radius r=266        self.assertAlmostEqual(12.566370614359172953850573533118, circle.area())6768    # Task 969    def test_items(self):70        product_1 = Product("coffee", 1)71        product_2 = Product('car', 20000)72        product_3 = Product('book', 15)73        self.assertEqual("coffee costs 1 euro(s)", str(product_1))
...

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