terom@20: # DeGAL - A pretty simple web image gallery
terom@20: # Copyright (C) 2007 Tero Marttila
terom@20: # http://marttila.de/~terom/degal/
terom@20: #
terom@20: # This program is free software; you can redistribute it and/or modify
terom@20: # it under the terms of the GNU General Public License as published by
terom@20: # the Free Software Foundation; either version 2 of the License, or
terom@20: # (at your option) any later version.
terom@20: #
terom@20: # This program is distributed in the hope that it will be useful,
terom@20: # but WITHOUT ANY WARRANTY; without even the implied warranty of
terom@20: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
terom@20: # GNU General Public License for more details.
terom@20: #
terom@20: # You should have received a copy of the GNU General Public License
terom@20: # along with this program; if not, write to the
terom@20: # Free Software Foundation, Inc.,
terom@20: # 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
terom@20: #
terom@20: 
terom@20: import cgi
terom@20: import Cookie
terom@20: import os
terom@20: 
terom@20: vars = cgi.FieldStorage()
terom@20: 
terom@20: # the cookie with the user's current series
terom@20: cookie = Cookie.SimpleCookie(os.environ.get('HTTP_COOKIE', None))
terom@20: 
terom@20: class token (object) :
terom@20:     pass
terom@20: 
terom@20: REQUIRED_PARAM = token()
terom@20: 
terom@20: def get_str (key, default=REQUIRED_PARAM) :
terom@20:     if key in vars :
terom@20:         return vars[key].value
terom@20:     elif default is REQUIRED_PARAM :
terom@20:         raise ValueError("Required param %s" % key)
terom@20:     else :
terom@20:         return default
terom@20: 
terom@20: def get_int (key, default=REQUIRED_PARAM) :
terom@20:     if key in vars :
terom@20:         return int(vars[key].value)
terom@20:     elif default is REQUIRED_PARAM :
terom@20:         raise ValueError("Required param %s" % key)
terom@20:     else :
terom@20:         return default
terom@20: