terom@14: # DeGAL - A pretty simple web image gallery
terom@14: # Copyright (C) 2007 Tero Marttila
terom@14: # http://marttila.de/~terom/degal/
terom@14: #
terom@14: # This program is free software; you can redistribute it and/or modify
terom@14: # it under the terms of the GNU General Public License as published by
terom@14: # the Free Software Foundation; either version 2 of the License, or
terom@14: # (at your option) any later version.
terom@14: #
terom@14: # This program is distributed in the hope that it will be useful,
terom@14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
terom@14: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
terom@14: # GNU General Public License for more details.
terom@14: #
terom@14: # You should have received a copy of the GNU General Public License
terom@14: # along with this program; if not, write to the
terom@14: # Free Software Foundation, Inc.,
terom@14: # 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
terom@14: #
terom@14: 
terom@28: import logging, sys
terom@12: 
terom@28: log_level = logging.INFO
terom@28: stack = []
terom@12: 
terom@28: class g :
terom@28:     out_depth = 0
terom@28:     node = None
terom@12: 
terom@28: def title (title, *args) :
terom@28:     stack.append(title)
terom@15: 
terom@29:     print "%s - %s" % (" "*g.out_depth, title % args)
terom@28: 
terom@28:     g.out_depth += 1
terom@28: 
terom@28: def down (dir_name, *args) :
terom@28:     stack.append(dir_name % args)
terom@28:     g.node = None
terom@28: 
terom@28: def next (fname, *args) :
terom@28:     g.node = fname % args
terom@28: 
terom@28: def up () :
terom@28:     stack.pop(-1)
terom@28:     g.node = None
terom@28:     g.out_depth = min(g.out_depth, len(stack))
terom@28: 
terom@28: def done () :
terom@28:     print "done"
terom@28: 
terom@28: def log (level, message, *args, **kwargs) :
terom@28:     wait = kwargs.get("wait", False)
terom@28: 
terom@28:     if level >= log_level :
terom@28:         if g.out_depth != len(stack) :
terom@28:             for segment in stack[g.out_depth:] :
terom@28:                 print "%sd %s" % (" "*g.out_depth, segment)
terom@28:                 g.out_depth += 1
terom@28: 
terom@30:         if g.node :
terom@30:             print "%sf %s" % (" "*g.out_depth, g.node)
terom@30:             g.node = None
terom@28:         
terom@28:         if wait :
terom@29:             print "%s - %s..." % (" "*g.out_depth, message % args),
terom@28:             sys.stdout.flush()
terom@28:         else :
terom@29:             print "%s - %s" % (" "*g.out_depth, message % args)
terom@28: 
terom@28: def _level (level) :
terom@28:     def _log_func (message, *args, **kwargs) :
terom@28:         log(level, message, *args, **kwargs)
terom@28:     
terom@28:     return _log_func
terom@28: 
terom@28: debug       = _level(logging.DEBUG)
terom@28: info        = _level(logging.INFO)
terom@28: warning     = _level(logging.WARNING)
terom@28: error       = _level(logging.ERROR)
terom@28: