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import traceback |
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import logging |
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from pyprint.ColorPrinter import ColorPrinter |
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from coalib.output.printers.LOG_LEVEL import LOG_LEVEL |
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from coalib.processes.communication.LogMessage import LogMessage |
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class LogPrinter: |
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""" |
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This class is deprecated and will be soon removed. To get logger use |
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logging.getLogger('coala.colored') for colored logger and |
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logging.getLogger('coala.raw') for not colored logger. |
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The LogPrinter class allows to print log messages to an underlying Printer. |
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This class is an adapter, means you can create a LogPrinter from every |
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existing Printer instance. |
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""" |
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def __init__(self, |
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printer=None, |
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log_level=LOG_LEVEL.INFO, |
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timestamp_format="%X"): |
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""" |
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Creates a new log printer from an existing Printer. |
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:param printer: The underlying Printer where log messages |
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shall be written to. If you inherit from |
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LogPrinter, set it to self. |
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:param log_level: The minimum log level, everything below will |
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not be logged. |
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:param timestamp_format: The format string for the |
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datetime.today().strftime(format) method. |
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""" |
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if isinstance(printer, ColorPrinter): |
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self.logger_name = 'coala.colored' |
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else: |
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self.logger_name = 'coala.raw' |
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self.logger = logging.getLogger(self.logger_name) |
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self._printer = printer |
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self.log_level = log_level |
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self.timestamp_format = timestamp_format |
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@property |
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def log_level(self): |
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""" |
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Returns current log_level used in logger. |
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""" |
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return self.logger.getEffectiveLevel() |
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@log_level.setter |
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def log_level(self, log_level): |
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""" |
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Sets log_level for logger. |
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""" |
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self.logger.setLevel(log_level) |
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@property |
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def printer(self): |
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""" |
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Returns the underlying printer where logs are printed to. |
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""" |
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return self._printer |
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def debug(self, *messages, delimiter=" ", timestamp=None, **kwargs): |
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self.log_message(LogMessage(LOG_LEVEL.DEBUG, |
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*messages, |
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delimiter=delimiter, |
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timestamp=timestamp), |
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**kwargs) |
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def info(self, *messages, delimiter=" ", timestamp=None, **kwargs): |
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self.log_message(LogMessage(LOG_LEVEL.INFO, |
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*messages, |
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delimiter=delimiter, |
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timestamp=timestamp), |
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**kwargs) |
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def warn(self, *messages, delimiter=" ", timestamp=None, **kwargs): |
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self.log_message(LogMessage(LOG_LEVEL.WARNING, |
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*messages, |
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delimiter=delimiter, |
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timestamp=timestamp), |
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**kwargs) |
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def err(self, *messages, delimiter=" ", timestamp=None, **kwargs): |
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self.log_message(LogMessage(LOG_LEVEL.ERROR, |
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*messages, |
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delimiter=delimiter, |
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timestamp=timestamp), |
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**kwargs) |
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def log(self, log_level, message, timestamp=None, **kwargs): |
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self.log_message(LogMessage(log_level, |
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message, |
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timestamp=timestamp), |
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**kwargs) |
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def log_exception(self, |
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message, |
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exception, |
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log_level=LOG_LEVEL.ERROR, |
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timestamp=None, |
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**kwargs): |
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""" |
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If the log_level of the printer is greater than DEBUG, it prints |
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only the message. If it is DEBUG or lower, it shows the message |
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along with the traceback of the exception. |
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:param message: The message to print. |
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:param exception: The exception to print. |
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:param log_level: The log_level of this message (not used when |
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logging the traceback. Tracebacks always have |
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a level of DEBUG). |
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:param timestamp: The time at which this log occured. Defaults to |
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the current time. |
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:param kwargs: Keyword arguments to be passed when logging the |
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message (not used when logging the traceback). |
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""" |
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if not isinstance(exception, BaseException): |
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raise TypeError("log_exception can only log derivatives of " |
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"BaseException.") |
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traceback_str = "\n".join( |
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traceback.format_exception(type(exception), |
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exception, |
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exception.__traceback__)) |
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self.log(log_level, message, timestamp=timestamp, **kwargs) |
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self.log_message( |
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LogMessage(LOG_LEVEL.DEBUG, |
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"Exception was:" + "\n" + traceback_str, |
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timestamp=timestamp), |
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**kwargs) |
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def log_message(self, log_message, **kwargs): |
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if not isinstance(log_message, LogMessage): |
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raise TypeError("log_message should be of type LogMessage.") |
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self.logger.log(log_message.log_level, log_message.message) |
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def __getstate__(self): |
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# on Windows there are problems with serializing loggers, so omit it |
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oldict = self.__dict__.copy() |
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del oldict['logger'] |
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return oldict |
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def __setstate__(self, newdict): |
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self.__dict__.update(newdict) |
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# restore logger by name |
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self.logger = logging.getLogger(self.logger_name) |
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coala-analyzer /
coala
