mirror of
https://github.com/Hopiu/linkchecker.git
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c635234ee6
git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@1358 e7d03fd6-7b0d-0410-9947-9c21f3af8025
114 lines
3.2 KiB
Python
114 lines
3.2 KiB
Python
# -*- coding: iso-8859-1 -*-
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"""logging and debug functions"""
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# Copyright (C) 2003-2004 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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# public api
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__all__ = ["debug", "info", "warn", "error", "critical",
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"exception", "get_log_file", "set_format", "usedmemory"]
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import os
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import logging
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def iswritable (fname):
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"""return True if given file is writable"""
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if os.path.isdir(fname) or os.path.islink(fname):
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return False
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try:
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if os.path.exists(fname):
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file(fname, 'a').close()
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return True
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else:
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file(fname, 'w').close()
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os.remove(fname)
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return True
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except IOError:
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pass
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return False
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def get_log_file (name, logname, trydirs=[]):
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"""get full path name to writeable logfile"""
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dirs = []
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if os.name =='nt':
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dirs.append(os.environ.get("TEMP"))
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else:
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dirs.append(os.path.join('/', 'var', 'log', name))
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dirs.append(os.path.join('/', 'var', 'tmp', name))
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dirs.append(os.path.join('/', 'tmp', name))
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dirs.append(os.getcwd())
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trydirs = trydirs+dirs
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for d in trydirs:
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fullname = os.path.join(d, logname)
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if iswritable(fullname):
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return fullname
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raise IOError("Could not find writable directory for %s in %s" % (logname, str(trydirs)))
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def set_format (handler):
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"""set standard format for handler"""
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handler.setFormatter(logging.root.handlers[0].formatter)
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return handler
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def usedmemory ():
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"""return string with used memory"""
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pid = os.getpid()
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fp = file('/proc/%d/status'%pid)
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val = 0
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try:
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for line in fp.readlines():
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if line.startswith('VmRSS:'):
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val = int(line[6:].strip().split()[0])
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finally:
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fp.close()
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return val
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import gc
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gc.enable()
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# memory leak debugging
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#gc.set_debug(gc.DEBUG_LEAK)
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def debug (log, msg, *args):
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"""log a debug message"""
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logging.getLogger(log).debug(msg, *args)
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#logging.getLogger(log).info("Mem: %d kB"%usedmemory())
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def info (log, msg, *args):
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"""log an informational message"""
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logging.getLogger(log).info(msg, *args)
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def warn (log, msg, *args):
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"""log a warning"""
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logging.getLogger(log).warn(msg, *args)
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def error (log, msg, *args):
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"""log an error"""
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logging.getLogger(log).error(msg, *args)
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def critical (log, msg, *args):
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"""log a critical error"""
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logging.getLogger(log).critical(msg, *args)
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def exception (log, msg, *args):
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"""log an exception"""
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logging.getLogger(log).exception(msg, *args)
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