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CaseEDS.py
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Fri, Nov 1, 09:45

CaseEDS.py
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## $Id$
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## CDS Invenio 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.
##
## CDS Invenio 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 CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""This is the CaseEDS module. Contains the CaseEDS WebSubmit function.
"""
__revision__ = "$Id$"
import os
from invenio.websubmit_config import \
InvenioWebSubmitFunctionStop, \
InvenioWebSubmitFunctionError
def CaseEDS(parameters, curdir, form, user_info=None):
"""This function compares the content of a file to different values and
directly goes to a different step in the action according to the value.
@param parameters: (dictionary) of parameters (relating to the given
doctype/action) that are to be passed to the function:
+ casevariable: name of the file containing the value
+ casevalues: comma-separated list of values
+ casesteps: comma-separated list of steps
+ casedefault: default step if no value is mapped
@return: (string) - empty string
"""
## Get the values of the parameters passed to this function via the
## parameters array:
casevariable = parameters['casevariable']
casevalue = parameters['casevalues']
casestep = parameters['casesteps']
casedefault = parameters['casedefault']
casevalues = casevalue.split(",")
casesteps = casestep.split(",")
cases = {}
for a, b in map(None, casevalues, casesteps):
cases[a] = b
nextstep = ""
if not os.path.exists("%s/%s" % (curdir, casevariable)):
nextstep = casedefault
else:
fp = open("%s/%s" % (curdir, casevariable), "r")
value = fp.read()
fp.close()
if cases.has_key(value):
nextstep = cases[value]
else:
nextstep = casedefault
if nextstep != "":
t = "<b>Please wait...</b>"
t = """
<SCRIPT LANGUAGE="JavaScript1.1">
document.forms[0].action="/submit";
document.forms[0].step.value=%s;
document.forms[0].submit();
</SCRIPT>""" % nextstep
raise InvenioWebSubmitFunctionStop(t)
else:
raise InvenioWebSubmitFunctionError("Case function: Could not " \
"determine next action step")
return ""

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