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urlutils.py
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Fri, Nov 1, 22:19

urlutils.py
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# -*- coding: utf-8 -*-
## $Id$
## This file is part of the CERN Document Server Software (CDSware).
## Copyright (C) 2002, 2003, 2004, 2005 CERN.
##
## The CDSware is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## The CDSware is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDSware; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
""" urlutils: tools for managing URL related problems:
- washing,
- redirection
"""
__lastupdated__ = """$Date$"""
__version__ = "$Id$"
try:
from mod_python import apache
except ImportError:
pass
def wash_url_argument(var, new_type):
"""
Wash argument into 'new_type', that can be 'list', 'str', 'int', 'tuple' or 'dict'.
If needed, the check 'type(var) is not None' should be done before calling this function
@param var: variable value
@param new_type: variable type, 'list', 'str', 'int', 'tuple' or 'dict'
@return as much as possible, value var as type new_type
If var is a list, will change first element into new_type.
If int check unsuccessful, returns 0
"""
out = []
if new_type == 'list': # return lst
if type(var) is list:
out = var
else:
out = [var]
elif new_type == 'str': # return str
if type(var) is list:
try:
out = "%s" % var[0]
except:
out = ""
elif type(var) is str:
out = var
else:
out = "%s" % var
elif new_type == 'int': # return int
if type(var) is list:
try:
out = int(var[0])
except:
out = 0
elif type(var) is int:
out = var
elif type(var) is str:
try:
out = int(var)
except:
out = 0
else:
out = 0
elif new_type == 'tuple': # return tuple
if type(var) is tuple:
out = var
else:
out = (var,)
elif new_type == 'dict': # return dictionary
if type(var) is dict:
out = var
else:
out = {0:var}
return out
def redirect_to_url(req, url):
"""
Redirect current page to url
@param req: request as received from apache
@param url: url to redirect to"""
req.err_headers_out.add("Location", url)
raise apache.SERVER_RETURN, apache.HTTP_MOVED_PERMANENTLY
def get_client_ip_address(req):
""" Returns IP address as string from an apache request """
return str(req.get_remote_host(apache.REMOTE_NOLOOKUP))

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