edb_data_refactored_pass1

src/pyedb/edb_logger.py

@@ -0,0 +1,361 @@
+# -*- coding: utf-8 -*-
+import logging
+from logging.handlers import RotatingFileHandler
+import os
+import shutil
+import sys
+import tempfile
+import time
+
+from generic.settings import settings
+
+
+class Msg:
+    (INFO, WARNING, ERROR, FATAL) = range(4)
+
+
+class EdbLogger(object):
+    """
+    Specifies the logger to use for EDB logger.
+
+    This class allows you to add a handler to write messages to a file and to indicate
+    whether to write messages to the standard output (stdout).
+
+    Parameters
+    ----------
+    level : int, optional
+        Logging level to filter the message severity allowed in the logger.
+        The default is ``logging.DEBUG``.
+    filename : str, optional
+        Name of the file to write messages to. The default is ``None``.
+    to_stdout : bool, optional
+        Whether to write log messages to stdout. The default is ``False``.
+    """
+
+    def __init__(self, level=logging.DEBUG, filename=None, to_stdout=False):
+        self._std_out_handler = None
+        self._files_handlers = []
+        self.level = level
+        self.filename = filename or settings.logger_file_path
+        settings.logger_file_path = self.filename
+
+        self._global = logging.getLogger("Global")
+        if not settings.enable_logger:
+            self._global.addHandler(logging.NullHandler())
+            return
+
+        if settings.formatter:
+            self.formatter = settings.formatter
+        else:
+            self.formatter = logging.Formatter(settings.logger_formatter, datefmt=settings.logger_datefmt)
+        global_handler = False
+        if settings.enable_global_log_file:
+            for handler in self._global.handlers:
+                if settings.global_log_file_name in str(handler):
+                    global_handler = True
+                    break
+            log_file = os.path.join(tempfile.gettempdir(), settings.global_log_file_name)
+            my_handler = RotatingFileHandler(
+                log_file,
+                mode="a",
+                maxBytes=float(settings.global_log_file_size) * 1024 * 1024,
+                backupCount=2,
+                encoding=None,
+                delay=0,
+            )
+            my_handler.setFormatter(self.formatter)
+            my_handler.setLevel(self.level)
+            if not global_handler and settings.global_log_file_name:
+                self._global.addHandler(my_handler)
+            self._files_handlers.append(my_handler)
+        if self.filename and os.path.exists(self.filename):
+            shutil.rmtree(self.filename, ignore_errors=True)
+        if self.filename and settings.enable_local_log_file:
+            self.add_file_logger(self.filename)
+
+        if to_stdout:
+            settings.enable_screen_logs = True
+            self._std_out_handler = logging.StreamHandler(sys.stdout)
+            self._std_out_handler.setLevel(level)
+            _logger_stdout_formatter = logging.Formatter("PyANSYS-edb %(levelname)s: %(message)s")
+
+            self._std_out_handler.setFormatter(_logger_stdout_formatter)
+            self._global.addHandler(self._std_out_handler)
+        self._timer = time.time()
+
+    def add_file_logger(self, filename):
+        """Add a new file to the logger handlers list."""
+        _file_handler = logging.FileHandler(filename)
+        _file_handler.setFormatter(self.formatter)
+        self.info("New logger file {} added to handlers.".format(filename))
+        self._files_handlers.append(_file_handler)
+        return True
+
+    def remove_file_logger(self, project_name):
+        """Remove a file from the logger handlers list."""
+        handlers = [i for i in self._global.handlers]
+        for handler in self._files_handlers:
+            if "pyaedt_{}.log".format(project_name) in str(handler):
+                handler.close()
+                if handler in handlers:
+                    self._global.removeHandler(handler)
+                self.info("logger file pyaedt_{}.log removed from handlers.".format(project_name))
+
+    @property
+    def _log_on_file(self):
+        return settings.enable_file_logs
+
+    @_log_on_file.setter
+    def _log_on_file(self, val):
+        settings.enable_file_logs = val
+
+    @property
+    def logger(self):
+        """EDB logger object."""
+        if self._log_on_file:
+            return logging.getLogger("Global")
+        else:
+            return None  # pragma: no cover
+
+    def reset_timer(self, time_val=None):
+        """ "Reset actual timer to  actual time or specified time.
+
+        Parameters
+        ----------
+        time_val : float, optional
+            Value time to apply.
+
+        Returns
+        -------
+
+        """
+        if time_val:
+            self._timer = time_val
+        else:
+            self._timer = time.time()
+        return self._timer
+
+    def add_error_message(self, message_text):
+        """
+        Add a type 2 "Error" message to the message manager tree.
+
+        Also add an error message to the logger if the handler is present.
+
+        Parameters
+        ----------
+        message_text : str
+            Text to display as the error message.
+
+        Examples
+        --------
+        Add an error message to the AEDT message manager.
+
+        >>> hfss.logger.project.error("Project Error Message", "Project")
+
+        """
+        self.add_message(2, message_text)
+
+    def add_warning_message(self, message_text):
+        """
+        Add a type 1 "Warning" message to the message manager tree.
+
+        Also add a warning message to the logger if the handler is present.
+
+        Parameters
+        ----------
+        message_text : str
+            Text to display as the warning message.
+
+        Examples
+        --------
+        Add a warning message to the EDB message manager.
+
+        >>> edb.logger.warning("Global warning message")
+
+        """
+        self.add_message(1, message_text)
+
+    def add_info_message(self, message_text):
+        """Add a type 0 "Info" message to the active design level of the message manager tree.
+
+        Also add an info message to the logger if the handler is present.
+
+        Parameters
+        ----------
+        message_text : str
+            Text to display as the info message.
+
+        Examples
+        --------
+        Add an info message at the global level.
+
+        >>> edb.logger.info("Global warning message")
+
+        """
+        self.add_message(0, message_text)
+
+    def add_debug_message(self, message_text):
+        """
+        Parameterized message to the message manager to specify the type and project or design level.
+
+        Parameters
+        ----------
+        message_text : str
+            Text to display as the message.
+        level : str, optional
+            Level to add the info message to. Options are ``"Global"``,
+            ``"Project"``, and ``"Design"``. The default value is ``None``,
+            in which case the info message gets added to the ``"Design"``
+            level.
+        """
+
+        return self.add_message(3, message_text)
+
+    def add_message(self, message_type, message_text):
+        """Add a message to the message manager to specify the type and project or design level.
+
+        Parameters
+        ----------
+        message_type : int
+            Type of the message. Options are:
+            * ``0`` : Info
+            * ``1`` : Warning
+            * ``2`` : Error
+            * ``3`` : Debug
+        message_text : str
+            Text to display as the message.
+        """
+        self._log_on_handler(message_type, message_text)
+
+    def _log_on_handler(self, message_type, message_text, *args, **kwargs):
+        if not (self._log_on_file or self._log_on_screen) or not self._global:
+            return
+        if len(message_text) > 250:
+            message_text = message_text[:250] + "..."
+        if message_type == 0:
+            self._global.info(message_text, *args, **kwargs)
+        elif message_type == 1:
+            self._global.warning(message_text, *args, **kwargs)
+        elif message_type == 2:
+            self._global.error(message_text, *args, **kwargs)
+        elif message_type == 3:
+            self._global.debug(message_text, *args, **kwargs)
+
+    def disable_stdout_log(self):
+        """Disable printing log messages to stdout."""
+        self._log_on_screen = False
+        self._global.removeHandler(self._std_out_handler)
+        self.info("StdOut is disabled")
+
+    def enable_stdout_log(self):
+        """Enable printing log messages to stdout."""
+        self._log_on_screen = True
+        if not self._std_out_handler:
+            self._std_out_handler = logging.StreamHandler(sys.stdout)
+            self._std_out_handler.setLevel(self.level)
+            _logger_stdout_formatter = logging.Formatter("pyaedt %(levelname)s: %(message)s")
+
+            self._std_out_handler.setFormatter(_logger_stdout_formatter)
+            self._global.addHandler(self._std_out_handler)
+        self._global.addHandler(self._std_out_handler)
+        self.info("StdOut is enabled")
+
+    def disable_log_on_file(self):
+        """Disable writing log messages to an output file."""
+        self._log_on_file = False
+        for _file_handler in self._files_handlers:
+            _file_handler.close()
+            self._global.removeHandler(_file_handler)
+        self.info("Log on file is disabled")
+
+    def enable_log_on_file(self):
+        """Enable writing log messages to an output file."""
+        self._log_on_file = True
+        for _file_handler in self._files_handlers:
+            self._global.addHandler(_file_handler)
+        self.info("Log on file is enabled")
+
+    def info(self, msg, *args, **kwargs):
+        """Write an info message to the global logger."""
+        if not settings.enable_logger:
+            return
+        if args:
+            try:
+                msg1 = msg % tuple(str(i) for i in args)
+            except TypeError:
+                msg1 = msg
+        else:
+            msg1 = msg
+        return self._log_on_handler(0, msg, *args, **kwargs)
+
+    def info_timer(self, msg, start_time=None, *args, **kwargs):
+        """Write an info message to the global logger with elapsed time.
+        Message will have an appendix of type Elapsed time: time."""
+        if not settings.enable_logger:
+            return
+        if not start_time:
+            start_time = self._timer
+        td = time.time() - start_time
+        m, s = divmod(td, 60)
+        h, m = divmod(m, 60)
+        d, h = divmod(h, 24)
+        if d > 0:
+            msg += " Elapsed time: {}days {}h {}m {}sec".format(round(d), round(h), round(m), round(s))
+        elif h > 0:
+            msg += " Elapsed time: {}h {}m {}sec".format(round(h), round(m), round(s))
+        else:
+            msg += " Elapsed time: {}m {}sec".format(round(m), round(s))
+        if args:
+            try:
+                msg1 = msg % tuple(str(i) for i in args)
+            except TypeError:
+                msg1 = msg
+        else:
+            msg1 = msg
+        return self._log_on_handler(0, msg, *args, **kwargs)
+
+    def warning(self, msg, *args, **kwargs):
+        """Write a warning message to the global logger."""
+        if not settings.enable_logger:
+            return
+        if args:
+            try:
+                msg1 = msg % tuple(str(i) for i in args)
+            except TypeError:
+                msg1 = msg
+        else:
+            msg1 = msg
+        return self._log_on_handler(1, msg, *args, **kwargs)
+
+    def error(self, msg, *args, **kwargs):
+        """Write an error message to the global logger."""
+        if args:
+            try:
+                msg1 = msg % tuple(str(i) for i in args)
+            except TypeError:
+                msg1 = msg
+        else:
+            msg1 = msg
+        return self._log_on_handler(2, msg, *args, **kwargs)
+
+    def debug(self, msg, *args, **kwargs):
+        """Write a debug message to the global logger."""
+        if not settings.enable_debug_logger or not settings.enable_logger:
+            return
+        if args:
+            try:
+                msg1 = msg % tuple(str(i) for i in args)
+            except TypeError:
+                msg1 = msg
+        else:
+            msg1 = msg
+        return self._log_on_handler(3, msg, *args, **kwargs)
+
+    @property
+    def glb(self):
+        """Global logger."""
+        self._global = logging.getLogger("Global")
+        return self._global
+
+
+pyedb_logger = EdbLogger(to_stdout=settings.enable_screen_logs)