|
| 1 | +# -*- coding: utf-8 -*- |
| 2 | +import logging |
| 3 | +from logging.handlers import RotatingFileHandler |
| 4 | +import os |
| 5 | +import shutil |
| 6 | +import sys |
| 7 | +import tempfile |
| 8 | +import time |
| 9 | + |
| 10 | +from generic.settings import settings |
| 11 | + |
| 12 | + |
| 13 | +class Msg: |
| 14 | + (INFO, WARNING, ERROR, FATAL) = range(4) |
| 15 | + |
| 16 | + |
| 17 | +class EdbLogger(object): |
| 18 | + """ |
| 19 | + Specifies the logger to use for EDB logger. |
| 20 | +
|
| 21 | + This class allows you to add a handler to write messages to a file and to indicate |
| 22 | + whether to write messages to the standard output (stdout). |
| 23 | +
|
| 24 | + Parameters |
| 25 | + ---------- |
| 26 | + level : int, optional |
| 27 | + Logging level to filter the message severity allowed in the logger. |
| 28 | + The default is ``logging.DEBUG``. |
| 29 | + filename : str, optional |
| 30 | + Name of the file to write messages to. The default is ``None``. |
| 31 | + to_stdout : bool, optional |
| 32 | + Whether to write log messages to stdout. The default is ``False``. |
| 33 | + """ |
| 34 | + |
| 35 | + def __init__(self, level=logging.DEBUG, filename=None, to_stdout=False): |
| 36 | + self._std_out_handler = None |
| 37 | + self._files_handlers = [] |
| 38 | + self.level = level |
| 39 | + self.filename = filename or settings.logger_file_path |
| 40 | + settings.logger_file_path = self.filename |
| 41 | + |
| 42 | + self._global = logging.getLogger("Global") |
| 43 | + if not settings.enable_logger: |
| 44 | + self._global.addHandler(logging.NullHandler()) |
| 45 | + return |
| 46 | + |
| 47 | + if settings.formatter: |
| 48 | + self.formatter = settings.formatter |
| 49 | + else: |
| 50 | + self.formatter = logging.Formatter(settings.logger_formatter, datefmt=settings.logger_datefmt) |
| 51 | + global_handler = False |
| 52 | + if settings.enable_global_log_file: |
| 53 | + for handler in self._global.handlers: |
| 54 | + if settings.global_log_file_name in str(handler): |
| 55 | + global_handler = True |
| 56 | + break |
| 57 | + log_file = os.path.join(tempfile.gettempdir(), settings.global_log_file_name) |
| 58 | + my_handler = RotatingFileHandler( |
| 59 | + log_file, |
| 60 | + mode="a", |
| 61 | + maxBytes=float(settings.global_log_file_size) * 1024 * 1024, |
| 62 | + backupCount=2, |
| 63 | + encoding=None, |
| 64 | + delay=0, |
| 65 | + ) |
| 66 | + my_handler.setFormatter(self.formatter) |
| 67 | + my_handler.setLevel(self.level) |
| 68 | + if not global_handler and settings.global_log_file_name: |
| 69 | + self._global.addHandler(my_handler) |
| 70 | + self._files_handlers.append(my_handler) |
| 71 | + if self.filename and os.path.exists(self.filename): |
| 72 | + shutil.rmtree(self.filename, ignore_errors=True) |
| 73 | + if self.filename and settings.enable_local_log_file: |
| 74 | + self.add_file_logger(self.filename) |
| 75 | + |
| 76 | + if to_stdout: |
| 77 | + settings.enable_screen_logs = True |
| 78 | + self._std_out_handler = logging.StreamHandler(sys.stdout) |
| 79 | + self._std_out_handler.setLevel(level) |
| 80 | + _logger_stdout_formatter = logging.Formatter("PyANSYS-edb %(levelname)s: %(message)s") |
| 81 | + |
| 82 | + self._std_out_handler.setFormatter(_logger_stdout_formatter) |
| 83 | + self._global.addHandler(self._std_out_handler) |
| 84 | + self._timer = time.time() |
| 85 | + |
| 86 | + def add_file_logger(self, filename): |
| 87 | + """Add a new file to the logger handlers list.""" |
| 88 | + _file_handler = logging.FileHandler(filename) |
| 89 | + _file_handler.setFormatter(self.formatter) |
| 90 | + self.info("New logger file {} added to handlers.".format(filename)) |
| 91 | + self._files_handlers.append(_file_handler) |
| 92 | + return True |
| 93 | + |
| 94 | + def remove_file_logger(self, project_name): |
| 95 | + """Remove a file from the logger handlers list.""" |
| 96 | + handlers = [i for i in self._global.handlers] |
| 97 | + for handler in self._files_handlers: |
| 98 | + if "pyaedt_{}.log".format(project_name) in str(handler): |
| 99 | + handler.close() |
| 100 | + if handler in handlers: |
| 101 | + self._global.removeHandler(handler) |
| 102 | + self.info("logger file pyaedt_{}.log removed from handlers.".format(project_name)) |
| 103 | + |
| 104 | + @property |
| 105 | + def _log_on_file(self): |
| 106 | + return settings.enable_file_logs |
| 107 | + |
| 108 | + @_log_on_file.setter |
| 109 | + def _log_on_file(self, val): |
| 110 | + settings.enable_file_logs = val |
| 111 | + |
| 112 | + @property |
| 113 | + def logger(self): |
| 114 | + """EDB logger object.""" |
| 115 | + if self._log_on_file: |
| 116 | + return logging.getLogger("Global") |
| 117 | + else: |
| 118 | + return None # pragma: no cover |
| 119 | + |
| 120 | + def reset_timer(self, time_val=None): |
| 121 | + """ "Reset actual timer to actual time or specified time. |
| 122 | +
|
| 123 | + Parameters |
| 124 | + ---------- |
| 125 | + time_val : float, optional |
| 126 | + Value time to apply. |
| 127 | +
|
| 128 | + Returns |
| 129 | + ------- |
| 130 | +
|
| 131 | + """ |
| 132 | + if time_val: |
| 133 | + self._timer = time_val |
| 134 | + else: |
| 135 | + self._timer = time.time() |
| 136 | + return self._timer |
| 137 | + |
| 138 | + def add_error_message(self, message_text): |
| 139 | + """ |
| 140 | + Add a type 2 "Error" message to the message manager tree. |
| 141 | +
|
| 142 | + Also add an error message to the logger if the handler is present. |
| 143 | +
|
| 144 | + Parameters |
| 145 | + ---------- |
| 146 | + message_text : str |
| 147 | + Text to display as the error message. |
| 148 | +
|
| 149 | + Examples |
| 150 | + -------- |
| 151 | + Add an error message to the AEDT message manager. |
| 152 | +
|
| 153 | + >>> hfss.logger.project.error("Project Error Message", "Project") |
| 154 | +
|
| 155 | + """ |
| 156 | + self.add_message(2, message_text) |
| 157 | + |
| 158 | + def add_warning_message(self, message_text): |
| 159 | + """ |
| 160 | + Add a type 1 "Warning" message to the message manager tree. |
| 161 | +
|
| 162 | + Also add a warning message to the logger if the handler is present. |
| 163 | +
|
| 164 | + Parameters |
| 165 | + ---------- |
| 166 | + message_text : str |
| 167 | + Text to display as the warning message. |
| 168 | +
|
| 169 | + Examples |
| 170 | + -------- |
| 171 | + Add a warning message to the EDB message manager. |
| 172 | +
|
| 173 | + >>> edb.logger.warning("Global warning message") |
| 174 | +
|
| 175 | + """ |
| 176 | + self.add_message(1, message_text) |
| 177 | + |
| 178 | + def add_info_message(self, message_text): |
| 179 | + """Add a type 0 "Info" message to the active design level of the message manager tree. |
| 180 | +
|
| 181 | + Also add an info message to the logger if the handler is present. |
| 182 | +
|
| 183 | + Parameters |
| 184 | + ---------- |
| 185 | + message_text : str |
| 186 | + Text to display as the info message. |
| 187 | +
|
| 188 | + Examples |
| 189 | + -------- |
| 190 | + Add an info message at the global level. |
| 191 | +
|
| 192 | + >>> edb.logger.info("Global warning message") |
| 193 | +
|
| 194 | + """ |
| 195 | + self.add_message(0, message_text) |
| 196 | + |
| 197 | + def add_debug_message(self, message_text): |
| 198 | + """ |
| 199 | + Parameterized message to the message manager to specify the type and project or design level. |
| 200 | +
|
| 201 | + Parameters |
| 202 | + ---------- |
| 203 | + message_text : str |
| 204 | + Text to display as the message. |
| 205 | + level : str, optional |
| 206 | + Level to add the info message to. Options are ``"Global"``, |
| 207 | + ``"Project"``, and ``"Design"``. The default value is ``None``, |
| 208 | + in which case the info message gets added to the ``"Design"`` |
| 209 | + level. |
| 210 | + """ |
| 211 | + |
| 212 | + return self.add_message(3, message_text) |
| 213 | + |
| 214 | + def add_message(self, message_type, message_text): |
| 215 | + """Add a message to the message manager to specify the type and project or design level. |
| 216 | +
|
| 217 | + Parameters |
| 218 | + ---------- |
| 219 | + message_type : int |
| 220 | + Type of the message. Options are: |
| 221 | + * ``0`` : Info |
| 222 | + * ``1`` : Warning |
| 223 | + * ``2`` : Error |
| 224 | + * ``3`` : Debug |
| 225 | + message_text : str |
| 226 | + Text to display as the message. |
| 227 | + """ |
| 228 | + self._log_on_handler(message_type, message_text) |
| 229 | + |
| 230 | + def _log_on_handler(self, message_type, message_text, *args, **kwargs): |
| 231 | + if not (self._log_on_file or self._log_on_screen) or not self._global: |
| 232 | + return |
| 233 | + if len(message_text) > 250: |
| 234 | + message_text = message_text[:250] + "..." |
| 235 | + if message_type == 0: |
| 236 | + self._global.info(message_text, *args, **kwargs) |
| 237 | + elif message_type == 1: |
| 238 | + self._global.warning(message_text, *args, **kwargs) |
| 239 | + elif message_type == 2: |
| 240 | + self._global.error(message_text, *args, **kwargs) |
| 241 | + elif message_type == 3: |
| 242 | + self._global.debug(message_text, *args, **kwargs) |
| 243 | + |
| 244 | + def disable_stdout_log(self): |
| 245 | + """Disable printing log messages to stdout.""" |
| 246 | + self._log_on_screen = False |
| 247 | + self._global.removeHandler(self._std_out_handler) |
| 248 | + self.info("StdOut is disabled") |
| 249 | + |
| 250 | + def enable_stdout_log(self): |
| 251 | + """Enable printing log messages to stdout.""" |
| 252 | + self._log_on_screen = True |
| 253 | + if not self._std_out_handler: |
| 254 | + self._std_out_handler = logging.StreamHandler(sys.stdout) |
| 255 | + self._std_out_handler.setLevel(self.level) |
| 256 | + _logger_stdout_formatter = logging.Formatter("pyaedt %(levelname)s: %(message)s") |
| 257 | + |
| 258 | + self._std_out_handler.setFormatter(_logger_stdout_formatter) |
| 259 | + self._global.addHandler(self._std_out_handler) |
| 260 | + self._global.addHandler(self._std_out_handler) |
| 261 | + self.info("StdOut is enabled") |
| 262 | + |
| 263 | + def disable_log_on_file(self): |
| 264 | + """Disable writing log messages to an output file.""" |
| 265 | + self._log_on_file = False |
| 266 | + for _file_handler in self._files_handlers: |
| 267 | + _file_handler.close() |
| 268 | + self._global.removeHandler(_file_handler) |
| 269 | + self.info("Log on file is disabled") |
| 270 | + |
| 271 | + def enable_log_on_file(self): |
| 272 | + """Enable writing log messages to an output file.""" |
| 273 | + self._log_on_file = True |
| 274 | + for _file_handler in self._files_handlers: |
| 275 | + self._global.addHandler(_file_handler) |
| 276 | + self.info("Log on file is enabled") |
| 277 | + |
| 278 | + def info(self, msg, *args, **kwargs): |
| 279 | + """Write an info message to the global logger.""" |
| 280 | + if not settings.enable_logger: |
| 281 | + return |
| 282 | + if args: |
| 283 | + try: |
| 284 | + msg1 = msg % tuple(str(i) for i in args) |
| 285 | + except TypeError: |
| 286 | + msg1 = msg |
| 287 | + else: |
| 288 | + msg1 = msg |
| 289 | + return self._log_on_handler(0, msg, *args, **kwargs) |
| 290 | + |
| 291 | + def info_timer(self, msg, start_time=None, *args, **kwargs): |
| 292 | + """Write an info message to the global logger with elapsed time. |
| 293 | + Message will have an appendix of type Elapsed time: time.""" |
| 294 | + if not settings.enable_logger: |
| 295 | + return |
| 296 | + if not start_time: |
| 297 | + start_time = self._timer |
| 298 | + td = time.time() - start_time |
| 299 | + m, s = divmod(td, 60) |
| 300 | + h, m = divmod(m, 60) |
| 301 | + d, h = divmod(h, 24) |
| 302 | + if d > 0: |
| 303 | + msg += " Elapsed time: {}days {}h {}m {}sec".format(round(d), round(h), round(m), round(s)) |
| 304 | + elif h > 0: |
| 305 | + msg += " Elapsed time: {}h {}m {}sec".format(round(h), round(m), round(s)) |
| 306 | + else: |
| 307 | + msg += " Elapsed time: {}m {}sec".format(round(m), round(s)) |
| 308 | + if args: |
| 309 | + try: |
| 310 | + msg1 = msg % tuple(str(i) for i in args) |
| 311 | + except TypeError: |
| 312 | + msg1 = msg |
| 313 | + else: |
| 314 | + msg1 = msg |
| 315 | + return self._log_on_handler(0, msg, *args, **kwargs) |
| 316 | + |
| 317 | + def warning(self, msg, *args, **kwargs): |
| 318 | + """Write a warning message to the global logger.""" |
| 319 | + if not settings.enable_logger: |
| 320 | + return |
| 321 | + if args: |
| 322 | + try: |
| 323 | + msg1 = msg % tuple(str(i) for i in args) |
| 324 | + except TypeError: |
| 325 | + msg1 = msg |
| 326 | + else: |
| 327 | + msg1 = msg |
| 328 | + return self._log_on_handler(1, msg, *args, **kwargs) |
| 329 | + |
| 330 | + def error(self, msg, *args, **kwargs): |
| 331 | + """Write an error message to the global logger.""" |
| 332 | + if args: |
| 333 | + try: |
| 334 | + msg1 = msg % tuple(str(i) for i in args) |
| 335 | + except TypeError: |
| 336 | + msg1 = msg |
| 337 | + else: |
| 338 | + msg1 = msg |
| 339 | + return self._log_on_handler(2, msg, *args, **kwargs) |
| 340 | + |
| 341 | + def debug(self, msg, *args, **kwargs): |
| 342 | + """Write a debug message to the global logger.""" |
| 343 | + if not settings.enable_debug_logger or not settings.enable_logger: |
| 344 | + return |
| 345 | + if args: |
| 346 | + try: |
| 347 | + msg1 = msg % tuple(str(i) for i in args) |
| 348 | + except TypeError: |
| 349 | + msg1 = msg |
| 350 | + else: |
| 351 | + msg1 = msg |
| 352 | + return self._log_on_handler(3, msg, *args, **kwargs) |
| 353 | + |
| 354 | + @property |
| 355 | + def glb(self): |
| 356 | + """Global logger.""" |
| 357 | + self._global = logging.getLogger("Global") |
| 358 | + return self._global |
| 359 | + |
| 360 | + |
| 361 | +pyedb_logger = EdbLogger(to_stdout=settings.enable_screen_logs) |
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