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How to use log_last_traceback method in autotest
Best Python code snippet using autotest_python
util.py
Source:util.py 
...11 try:12 return s.decode("utf-8")13 except AttributeError:14 return s15def log_last_traceback():16 logger.error(traceback.format_exc())17def log_traceback(func):18 @functools.wraps(func)19 def wrapper(*args, **kwargs):20 logger.info("function %s is about to be started", func)21 try:22 response = func(*args, **kwargs)23 except Exception:24 log_last_traceback()25 else:26 logger.info("function %s finished", func)27 # TODO: how long it took?28 return response29 return wrapper30def setup_dirs():31 """Make required directories to hold logfile.32 :returns: str33 """34 try:35 top_dir = os.path.abspath(os.path.expanduser(os.environ["XDG_CACHE_HOME"]))36 except KeyError:37 top_dir = os.path.abspath(os.path.expanduser("~/.cache"))38 our_cache_dir = os.path.join(top_dir, PROJECT_NAME)39 os.makedirs(our_cache_dir, mode=0o775, exist_ok=True)40 return our_cache_dir41def get_log_file_path():42 return os.path.join(setup_dirs(), LOG_FILE_NAME)43def humanize_bytes(bytesize, precision=2):44 """45 Humanize byte size figures46 https://gist.github.com/moird/368459547 """48 abbrevs = (49 (1 << 50, 'PB'),50 (1 << 40, 'TB'),51 (1 << 30, 'GB'),52 (1 << 20, 'MB'),53 (1 << 10, 'kB'),54 (1, 'bytes')55 )56 if bytesize == 1:57 return '1 byte'58 for factor, suffix in abbrevs:59 if bytesize >= factor:60 break61 if factor == 1:62 precision = 063 return '%.*f %s' % (precision, bytesize / float(factor), suffix)64def humanize_time(value):65 abbrevs = (66 (1, "now"),67 (2, "{seconds} seconds ago"),68 (59, "{seconds} seconds ago"),69 (60, "{minutes} minute ago"),70 (119, "{minutes} minute ago"),71 (120, "{minutes} minutes ago"),72 (3599, "{minutes} minutes ago"),73 (3600, "{hours} hour ago"),74 (7199, "{hours} hour ago"),75 (86399, "{hours} hours ago"),76 (86400, "{days} day ago"),77 (172799, "{days} day ago"),78 (172800, "{days} days ago"),79 (172800, "{days} days ago"),80 (2591999, "{days} days ago"),81 (2592000, "{months} month ago"),82 (5183999, "{months} month ago"),83 (5184000, "{months} months ago"),84 )85 n = datetime.now()86 delta = n - value87 for guard, message in abbrevs:88 s = int(delta.total_seconds())89 if guard >= s:90 break91 return message.format(seconds=delta.seconds, minutes=int(delta.seconds // 60),92 hours=int(delta.seconds // 3600), days=delta.days,93 months=int(delta.days // 30))94# # This function is able to crash python b/c it may write monster-amount of data.95# # Use it only for debugging, do not ship it!96# def log_vars_from_tback(process_frames=5):97# for th in threading.enumerate():98# try:99# thread_frames = sys._current_frames()[th.ident]100# except KeyError:101# continue102# logger.debug(''.join(traceback.format_stack(thread_frames)))103#104# logger.error(traceback.format_exc())105# if process_frames <= 0:106# return107# tb = sys.exc_info()[2]108# while 1:109# if not tb.tb_next:110# break111# tb = tb.tb_next112# stack = []113# f = tb.tb_frame114# while f:115# stack.append(f)116# f = f.f_back117# for frame in stack[:process_frames]:118# logger.debug("frame %s:%s", frame.f_code.co_filename, frame.f_lineno)119# for key, value in frame.f_locals.items():120# try:121# logger.debug("%20s = %s", key, value)122# except Exception:123# logger.debug("%20s = CANNOT PRINT VALUE", key)124#125# # self_instance = frame.f_locals.get("self", None)126# # if not self_instance:127# # continue128# # for key in dir(self_instance):129# # if key.startswith("__"):130# # continue131# # try:132# # value = getattr(self_instance, key, None)133# # logger.debug("%20s = %s", "self." + key, value)134# # except Exception:135# # logger.debug("%20s = CANNOT PRINT VALUE", "self." + key)136# this is taken directly from docker client:137# https://github.com/docker/docker/blob/28a7577a029780e4533faf3d057ec9f6c7a10948/api/client/stats.go#L309138def calculate_cpu_percent(d):139 cpu_count = len(d["cpu_stats"]["cpu_usage"]["percpu_usage"])140 cpu_percent = 0.0141 cpu_delta = float(d["cpu_stats"]["cpu_usage"]["total_usage"]) - \142 float(d["precpu_stats"]["cpu_usage"]["total_usage"])143 system_delta = float(d["cpu_stats"]["system_cpu_usage"]) - \144 float(d["precpu_stats"]["system_cpu_usage"])145 if system_delta > 0.0:146 cpu_percent = cpu_delta / system_delta * 100.0 * cpu_count147 return cpu_percent148# again taken directly from docker:149# https://github.com/docker/cli/blob/2bfac7fcdafeafbd2f450abb6d1bb3106e4f3ccb/cli/command/container/stats_helpers.go#L168150# precpu_stats in 1.13+ is completely broken, doesn't contain any values151def calculate_cpu_percent2(d, previous_cpu, previous_system):152 # import json153 # du = json.dumps(d, indent=2)154 # logger.debug("XXX: %s", du)155 cpu_percent = 0.0156 cpu_total = float(d["cpu_stats"]["cpu_usage"]["total_usage"])157 cpu_delta = cpu_total - previous_cpu158 cpu_system = float(d["cpu_stats"]["system_cpu_usage"])159 system_delta = cpu_system - previous_system160 online_cpus = d["cpu_stats"].get("online_cpus", len(d["cpu_stats"]["cpu_usage"].get("percpu_usage", [None])))161 if system_delta > 0.0:162 cpu_percent = (cpu_delta / system_delta) * online_cpus * 100.0163 return cpu_percent, cpu_system, cpu_total164def calculate_blkio_bytes(d):165 """166 :param d:167 :return: (read_bytes, wrote_bytes), ints168 """169 bytes_stats = graceful_chain_get(d, "blkio_stats", "io_service_bytes_recursive")170 if not bytes_stats:171 return 0, 0172 r = 0173 w = 0174 for s in bytes_stats:175 if s["op"] == "Read":176 r += s["value"]177 elif s["op"] == "Write":178 w += s["value"]179 return r, w180def calculate_network_bytes(d):181 """182 :param d:183 :return: (received_bytes, transceived_bytes), ints184 """185 networks = graceful_chain_get(d, "networks")186 if not networks:187 return 0, 0188 r = 0189 t = 0190 for if_name, data in networks.items():191 logger.debug("getting stats for interface %r", if_name)192 r += data["rx_bytes"]193 t += data["tx_bytes"]194 return r, t195def graceful_chain_get(d, *args, default=None):196 t = d197 for a in args:198 try:199 t = t[a]200 except (KeyError, ValueError, TypeError, AttributeError):201 logger.debug("can't get %r from %s", a, t)202 return default203 return t204def repeater(call, args=None, kwargs=None, retries=4):205 """206 repeat call x-times: docker API is just awesome207 :param call: function208 :param args: tuple, args for function209 :param kwargs: dict, kwargs for function210 :param retries: int, how many times we try?211 :return: response of the call212 """213 args = args or ()214 kwargs = kwargs or {}215 t = 1.0216 for x in range(retries):217 try:218 return call(*args, **kwargs)219 except APIError as ex:220 logger.error("query #%d: docker returned an error: %r", x, ex)221 except Exception as ex:222 # this may be pretty bad223 log_last_traceback()224 logger.error("query #%d: generic error: %r", x, ex)225 t *= 2226 time.sleep(t)227class OrderedSet(list):228 def append(self, p_object):229 if p_object in self:230 self.remove(p_object)...
contriaer-util.py
Source:contriaer-util.py
...11 try:12 return s.decode("utf-8")13 except AttributeError:14 return s15def log_last_traceback():16 logger.error(traceback.format_exc())17def log_traceback(func):18 @functools.wraps(func)19 def wrapper(*args, **kwargs):20 logger.info("function %s is about to be started", func)21 try:22 response = func(*args, **kwargs)23 except Exception:24 log_last_traceback()25 else:26 logger.info("function %s finished", func)27 # TODO: how long it took?28 return response29 return wrapper30def setup_dirs():31 """Make required directories to hold logfile.32 :returns: str33 """34 try:35 top_dir = os.path.abspath(os.path.expanduser(os.environ["XDG_CACHE_HOME"]))36 except KeyError:37 top_dir = os.path.abspath(os.path.expanduser("~/.cache"))38 our_cache_dir = os.path.join(top_dir, PROJECT_NAME)39 os.makedirs(our_cache_dir, mode=0o775, exist_ok=True)40 return our_cache_dir41def get_log_file_path():42 return os.path.join(setup_dirs(), LOG_FILE_NAME)43def humanize_bytes(bytesize, precision=2):44 """45 Humanize byte size figures46 https://gist.github.com/moird/368459547 """48 abbrevs = (49 (1 << 50, 'PB'),50 (1 << 40, 'TB'),51 (1 << 30, 'GB'),52 (1 << 20, 'MB'),53 (1 << 10, 'kB'),54 (1, 'bytes')55 )56 if bytesize == 1:57 return '1 byte'58 for factor, suffix in abbrevs:59 if bytesize >= factor:60 break61 if factor == 1:62 precision = 063 return '%.*f %s' % (precision, bytesize / float(factor), suffix)64def humanize_time(value):65 abbrevs = (66 (1, "now"),67 (2, "{seconds} seconds ago"),68 (59, "{seconds} seconds ago"),69 (60, "{minutes} minute ago"),70 (119, "{minutes} minute ago"),71 (120, "{minutes} minutes ago"),72 (3599, "{minutes} minutes ago"),73 (3600, "{hours} hour ago"),74 (7199, "{hours} hour ago"),75 (86399, "{hours} hours ago"),76 (86400, "{days} day ago"),77 (172799, "{days} day ago"),78 (172800, "{days} days ago"),79 (172800, "{days} days ago"),80 (2591999, "{days} days ago"),81 (2592000, "{months} month ago"),82 (5183999, "{months} month ago"),83 (5184000, "{months} months ago"),84 )85 n = datetime.now()86 delta = n - value87 for guard, message in abbrevs:88 s = int(delta.total_seconds())89 if guard >= s:90 break91 return message.format(seconds=delta.seconds, minutes=int(delta.seconds // 60),92 hours=int(delta.seconds // 3600), days=delta.days,93 months=int(delta.days // 30))94# # This function is able to crash python b/c it may write monster-amount of data.95# # Use it only for debugging, do not ship it!96# def log_vars_from_tback(process_frames=5):97# for th in threading.enumerate():98# try:99# thread_frames = sys._current_frames()[th.ident]100# except KeyError:101# continue102# logger.debug(''.join(traceback.format_stack(thread_frames)))103#104# logger.error(traceback.format_exc())105# if process_frames <= 0:106# return107# tb = sys.exc_info()[2]108# while 1:109# if not tb.tb_next:110# break111# tb = tb.tb_next112# stack = []113# f = tb.tb_frame114# while f:115# stack.append(f)116# f = f.f_back117# for frame in stack[:process_frames]:118# logger.debug("frame %s:%s", frame.f_code.co_filename, frame.f_lineno)119# for key, value in frame.f_locals.items():120# try:121# logger.debug("%20s = %s", key, value)122# except Exception:123# logger.debug("%20s = CANNOT PRINT VALUE", key)124#125# # self_instance = frame.f_locals.get("self", None)126# # if not self_instance:127# # continue128# # for key in dir(self_instance):129# # if key.startswith("__"):130# # continue131# # try:132# # value = getattr(self_instance, key, None)133# # logger.debug("%20s = %s", "self." + key, value)134# # except Exception:135# # logger.debug("%20s = CANNOT PRINT VALUE", "self." + key)136# this is taken directly from docker client:137# https://github.com/docker/docker/blob/28a7577a029780e4533faf3d057ec9f6c7a10948/api/client/stats.go#L309138def calculate_cpu_percent(d):139 cpu_count = len(d["cpu_stats"]["cpu_usage"]["percpu_usage"])140 cpu_percent = 0.0141 cpu_delta = float(d["cpu_stats"]["cpu_usage"]["total_usage"]) - \142 float(d["precpu_stats"]["cpu_usage"]["total_usage"])143 system_delta = float(d["cpu_stats"]["system_cpu_usage"]) - \144 float(d["precpu_stats"]["system_cpu_usage"])145 if system_delta > 0.0:146 cpu_percent = cpu_delta / system_delta * 100.0 * cpu_count147 return cpu_percent148# again taken directly from docker:149# https://github.com/docker/cli/blob/2bfac7fcdafeafbd2f450abb6d1bb3106e4f3ccb/cli/command/container/stats_helpers.go#L168150# precpu_stats in 1.13+ is completely broken, doesn't contain any values151def calculate_cpu_percent2(d, previous_cpu, previous_system):152 # import json153 # du = json.dumps(d, indent=2)154 # logger.debug("XXX: %s", du)155 cpu_percent = 0.0156 cpu_total = float(d["cpu_stats"]["cpu_usage"]["total_usage"])157 cpu_delta = cpu_total - previous_cpu158 cpu_system = float(d["cpu_stats"]["system_cpu_usage"])159 system_delta = cpu_system - previous_system160 online_cpus = d["cpu_stats"].get("online_cpus", len(d["cpu_stats"]["cpu_usage"]["percpu_usage"]))161 if system_delta > 0.0:162 cpu_percent = (cpu_delta / system_delta) * online_cpus * 100.0163 return cpu_percent, cpu_system, cpu_total164def calculate_blkio_bytes(d):165 """166 :param d:167 :return: (read_bytes, wrote_bytes), ints168 """169 bytes_stats = graceful_chain_get(d, "blkio_stats", "io_service_bytes_recursive")170 if not bytes_stats:171 return 0, 0172 r = 0173 w = 0174 for s in bytes_stats:175 if s["op"] == "Read":176 r += s["value"]177 elif s["op"] == "Write":178 w += s["value"]179 return r, w180def calculate_network_bytes(d):181 """182 :param d:183 :return: (received_bytes, transceived_bytes), ints184 """185 networks = graceful_chain_get(d, "networks")186 if not networks:187 return 0, 0188 r = 0189 t = 0190 for if_name, data in networks.items():191 logger.debug("getting stats for interface %r", if_name)192 r += data["rx_bytes"]193 t += data["tx_bytes"]194 return r, t195def graceful_chain_get(d, *args, default=None):196 t = d197 for a in args:198 try:199 t = t[a]200 except (KeyError, ValueError, TypeError, AttributeError):201 logger.debug("can't get %r from %s", a, t)202 return default203 return t204def repeater(call, args=None, kwargs=None, retries=4):205 """206 repeat call x-times: docker API is just awesome207 :param call: function208 :param args: tuple, args for function209 :param kwargs: dict, kwargs for function210 :param retries: int, how many times we try?211 :return: response of the call212 """213 args = args or ()214 kwargs = kwargs or {}215 t = 1.0216 for x in range(retries):217 try:218 return call(*args, **kwargs)219 except APIError as ex:220 logger.error("query #%d: docker returned an error: %r", x, ex)221 except Exception as ex:222 # this may be pretty bad223 log_last_traceback()224 logger.error("query #%d: generic error: %r", x, ex)225 t *= 2226 time.sleep(t)227class OrderedSet(list):228 def append(self, p_object):229 if p_object in self:230 self.remove(p_object)...
cli.py
Source:cli.py
...55 except KeyboardInterrupt:56 print("Quitting on user request.")57 return 158 except Exception as ex: # pylint: disable=broad-except59 log_last_traceback()60 if args.debug:61 raise62 else:63 # TODO: improve this message to be more thorough64 print("There was an error during program execution, see logs for more info.")65 return 166 return 067if __name__ == "__main__":...
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