mirror of
https://github.com/Hopiu/linkchecker.git
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db299a1ead
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@2394 e7d03fd6-7b0d-0410-9947-9c21f3af8025
135 lines
3.5 KiB
Python
135 lines
3.5 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2003-2005 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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"""
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Logging and debug functions.
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"""
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# public api
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__all__ = ["debug", "info", "warn", "error", "critical", "exception", ]
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import logging
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import traceback
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import inspect
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import cStringIO as StringIO
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# memory leak debugging
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#import gc
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#gc.enable()
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#gc.set_debug(gc.DEBUG_LEAK)
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PRINT_LOCALVARS = False
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def _stack_format (stack):
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"""
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Format a stack trace to a message.
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@return: formatted stack message
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@rtype: string
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"""
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s = StringIO.StringIO()
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traceback.print_stack(stack, file=s)
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if PRINT_LOCALVARS:
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s.write("Locals by frame, innermost last%s" % os.linesep)
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for frame in stack:
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s.write(os.linesep)
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s.write("Frame %s in %s at line %s%s" % (frame.f_code.co_name,
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frame.f_code.co_filename,
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frame.f_lineno,
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os.linesep))
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for key, value in frame.f_locals.items():
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s.write("\t%20s = " % key)
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# be careful not to cause a new error in the error output
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try:
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s.write(str(value))
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s.write(os.linesep)
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except:
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s.write("error in str() call%s" % os.linesep)
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return s.getvalue()
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def _log (fun, msg, args, tb=False):
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"""
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Log a message with given function and an optional traceback.
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@return: None
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"""
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fun(msg, *args)
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if tb:
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# note: get rid of last parts of the stack
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s = _stack_format(inspect.stack()[2:])
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fun(s)
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def debug (log, msg, *args, **kwargs):
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"""
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Log a debug message.
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return: None
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"""
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_log(logging.getLogger(log).debug, msg, args, tb=kwargs.get("tb"))
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def info (log, msg, *args, **kwargs):
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"""
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Log an informational message.
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return: None
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"""
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_log(logging.getLogger(log).info, msg, args, tb=kwargs.get("tb"))
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def warn (log, msg, *args, **kwargs):
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"""
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Log a warning.
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return: None
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"""
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_log(logging.getLogger(log).warn, msg, args, tb=kwargs.get("tb"))
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def error (log, msg, *args, **kwargs):
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"""
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Log an error.
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return: None
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"""
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_log(logging.getLogger(log).error, msg, args, tb=kwargs.get("tb"))
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def critical (log, msg, *args, **kwargs):
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"""
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Log a critical error.
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return: None
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"""
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_log(logging.getLogger(log).critical, msg, args, tb=kwargs.get("tb"))
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def exception (log, msg, *args, **kwargs):
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"""
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Log an exception.
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return: None
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"""
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_log(logging.getLogger(log).exception, msg, args, tb=kwargs.get("tb"))
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def is_debug (log):
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"""
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See if logger is on debug level.
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"""
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return logging.getLogger(log).isEnabledFor(logging.DEBUG)
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