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R3600/modules/websubmit/lib/functions/Mail_Approval_Withdrawn_to_Referee.py
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Mail_Approval_Withdrawn_to_Referee.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.
"""Mail_Approval_Withdrawn_to_Referee: A function to send an email to the
referee of a document informing him/her that the request for its approval
has been withdrawn.
"""
__revision__ = "$Id$"
import os
import re
import sre_constants
from invenio.websubmit_config import InvenioWebSubmitFunctionWarning, \
CFG_WEBSUBMIT_COPY_MAILS_TO_ADMIN
from invenio.config import CFG_CERN_SITE, \
CFG_SITE_NAME, \
CFG_SITE_SUPPORT_EMAIL
from invenio.access_control_admin import acc_get_role_users, acc_get_role_id
from invenio.websubmit_functions.ParamFile import ParamFromFile
from invenio.errorlib import register_exception
from invenio.mailutils import send_email
CFG_MAIL_BODY = """
The request for approval of the document [%(report-number)s] in
%(site-name)s has been withdrawn and no longer
requires your attention as referee.
"""
def Mail_Approval_Withdrawn_to_Referee(parameters, \
curdir, \
form, \
user_info=None):
"""This function sends an email to the referee of a document informing
him/her that the request for its approval has been withdrawn.
@param categ_file_withd: (string) - some document types are
separated into different categories, each of which has its own
referee(s).
In such document types, it's necessary to know the document-
type's category in order to choose the referee.
This parameter provides a means by which the category information
can be extracted from a file in the current submission's working
directory. It should therefore be a filename.
@param categ_rnseek_withd: (string) - some document types are
separated into different categories, each of which has its own
referee(s).
In such document types, it's necessary to know the document-
type's category in order to choose the referee.
This parameter provides a means by which the category information
can be extracted from the document's reference number.
It is infact a string that will be compiled into a regexp and
an attempt will be made to match it agains the document's reference
number starting from the left-most position.
The only pre-requisite is that the segment in which the category is
sought should be indicated with <CATEGORY>.
Thus, an example might be as follows:
ATL(-COM)?-<CATEGORY>-.+
This would allow "PHYS" in the following reference number to be
recognised as the category:
ATL-COM-PHYS-2008-001
@return: (string) - empty string.
"""
## Get the reference number (as global rn - sorry!) and the document type:
global sysno, rn
doctype = form['doctype']
########
## Get the parameters from the list:
########
## Get the name of the category file:
#######
try:
## If it has been provided, get the name of the file in which the
## category is stored:
category_file = parameters["categ_file_withd"]
except KeyError:
## No value given for the category file:
category_file = None
else:
if category_file is not None:
category_file = str(category_file)
category_file = os.path.basename(category_file).strip()
if category_file == "":
category_file = None
########
## Get the regexp that is used to find the category in the report number:
########
try:
## If it has been provided, get the regexp used for identifying
## a document-type's category from its reference number:
category_rn_regexp = parameters["categ_rnseek_withd"]
except KeyError:
## No value given for the category regexp:
category_rn_regexp = None
else:
if category_rn_regexp is not None:
category_rn_regexp = str(category_rn_regexp).strip()
if category_rn_regexp == "":
category_rn_regexp = None
#######
## Resolve the document type's category:
##
## This is a long process. The end result is that the category is extracted
## either from a file in curdir, or from the report number.
## If it's taken from the report number, the admin must configure the
## function to accept a regular expression that is used to find the
## category in the report number.
##
if category_file is not None and category_rn_regexp is not None:
## It is not valid to have both a category file and a pattern
## describing how to extract the category from a report number.
## raise an InvenioWebSubmitFunctionWarning:
msg = "Error in Mail_Approval_Withdrawn_to_Referee function: " \
"received instructions to search for the document's category " \
"in both its report number AND in a category file. Could " \
"not determine which to use - please notify the " \
"administrator."
raise InvenioWebSubmitFunctionWarning(msg)
elif category_file is not None:
## Attempt to recover the category information from a file in the
## current submission's working directory:
category = ParamFromFile("%s/%s" % (curdir, category_file))
if category is not None:
category = category.strip()
if category in (None, ""):
## The category cannot be resolved.
msg = "Error in Mail_Approval_Withdrawn_to_Referee function: " \
"received instructions to search for the document's " \
"category in a category file, but could not recover the " \
"category from that file. The referee cannot be notified " \
"of the approval request withdrawal by mail."
raise InvenioWebSubmitFunctionWarning(msg)
elif category_rn_regexp is not None:
## Attempt to recover the category information from the document's
## reference number using the regexp in category_rn_regexp:
##
## Does the category regexp contain the key-phrase "<CATEG>"?
if category_rn_regexp.find("<CATEG>") != -1:
## Yes. Replace "<CATEG>" with "(?P<category>.+?)".
## For example, this:
## ATL(-COM)?-<CATEG>-
## Will be transformed into this:
## ATL(-COM)?-(?P<category>.+?)-
category_rn_final_regexp = \
category_rn_regexp.replace("<CATEG>", r"(?P<category>.+?)", 1)
else:
## The regexp for category didn't contain "<CATEG>", but this is
## mandatory.
msg = "Error in Mail_Approval_Withdrawn_to_Referee function: The" \
" [%(doctype)s] submission has been configured to search " \
"for the document type's category in its reference number," \
" using a poorly formed search expression (no marker for " \
"the category was present.) Since the document's category " \
"cannot be retrieved, the referee cannot be " \
"notified of the approval request withdrawal by mail." \
% { 'doctype' : doctype, }
raise InvenioWebSubmitFunctionWarning(msg)
##
try:
## Attempt to compile the regexp for finding the category:
re_categ_from_rn = re.compile(category_rn_final_regexp)
except sre_constants.error:
## The expression passed to this function could not be compiled
## into a regexp. Register this exception and raise an
## InvenioWebSubmitFunctionWarning:
exception_prefix = "Error in Mail_Approval_Withdrawn_to_Referee " \
"function: The [%(doctype)s] submission has " \
"been configured to search for the document " \
"type's category in its reference number, " \
"using the following regexp: /%(regexp)s/. " \
"This regexp, however, could not be " \
"compiled correctly (created it from " \
"%(categ-search-term)s.)" \
% { 'doctype' : doctype, \
'regexp' : category_rn_final_regexp, \
'categ-search-term' : category_rn_regexp, }
register_exception(prefix=exception_prefix)
msg = "Error in Mail_Approval_Withdrawn_to_Referee function: The" \
" [%(doctype)s] submission has been configured to search " \
"for the document type's category in its reference number," \
" using a poorly formed search expression. Since the " \
"document's category cannot be retrieved, the referee" \
"cannot be notified of the approval request withdrawal by " \
"mail." \
% { 'doctype' : doctype, }
raise InvenioWebSubmitFunctionWarning(msg)
else:
## Now attempt to recover the category from the RN string:
m_categ_from_rn = re_categ_from_rn.match(rn)
if m_categ_from_rn is not None:
## The pattern matched in the string.
## Extract the category from the match:
try:
category = m_categ_from_rn.group("category")
except IndexError:
## There was no "category" group. That group is mandatory.
exception_prefix = \
"Error in Mail_Approval_Withdrawn_to_Referee " \
"function: The [%(doctype)s] submission has been " \
"configured to search for the document type's " \
"category in its reference number using the " \
"following regexp: " \
"/%(regexp)s/. The search produced a match, but " \
"there was no \"category\" group in the match " \
"object although this group is mandatory. The " \
"regexp was compiled from the following string: " \
"[%(categ-search-term)s]." \
% { 'doctype' : doctype, \
'regexp' : category_rn_final_regexp, \
'categ-search-term' : category_rn_regexp, }
register_exception(prefix=exception_prefix)
msg = "Error in Mail_Approval_Withdrawn_to_Referee " \
"function: The [%(doctype)s] submission has been " \
"configured to search for the document type's " \
"category in its reference number, using a poorly " \
"formed search expression (there was no category " \
"marker). Since the document's category therefore " \
"cannot be retrieved, the referee cannot be " \
"notified of the approval request withdrawal " \
"by mail." \
% { 'doctype' : doctype, }
raise InvenioWebSubmitFunctionWarning(msg)
else:
category = category.strip()
if category == "":
msg = "Error in Mail_Approval_Withdrawn_to_Referee " \
"function: The [%(doctype)s] submission has " \
"been configured to search for the document " \
"type's category in its reference number, but " \
"no category was found. The referee cannot be " \
"notified of the approval request withdrawal " \
"by mail." \
% { 'doctype' : doctype, }
raise InvenioWebSubmitFunctionWarning(msg)
else:
## No match. Cannot find the category and therefore cannot
## continue:
msg = "Error in Mail_Approval_Withdrawn_to_Referee function:" \
" The [%(doctype)s] submission has been configured to " \
"search for the document type's category in its " \
"reference number, but no match was made. The referee " \
"cannot be notified of the approval request " \
"withdrawal by mail." \
% { 'doctype' : doctype, }
raise InvenioWebSubmitFunctionWarning(msg)
else:
## The document type has no category.
category = ""
##
## End of category recovery
#######
## Get the referee email address:
if CFG_CERN_SITE:
## The referees system in CERN now works with listbox membership.
## List names should take the format
## "service-cds-referee-doctype-category@cern.ch"
## Make sure that your list exists!
## FIXME - to be replaced by a mailing alias in webaccess in the
## future.
referee_listname = "service-cds-referee-%s" % doctype.lower()
if category != "":
referee_listname += "-%s" % category.lower()
referee_listname += "@cern.ch"
mailto_addresses = referee_listname
else:
referee_address = ""
## Try to retrieve the referee's email from the referee's database:
for user in \
acc_get_role_users(acc_get_role_id("referee_%s_%s" \
% (doctype, category))):
referee_address += user[1] + ","
## And if there are general referees:
for user in \
acc_get_role_users(acc_get_role_id("referee_%s_*" % doctype)):
referee_address += user[1] + ","
referee_address = re.sub(",$", "", referee_address)
# Creation of the mail for the referee
mailto_addresses = ""
if referee_address != "":
mailto_addresses = referee_address + ","
else:
mailto_addresses = re.sub(",$", "", mailto_addresses)
##
## Send the email:
mail_subj = "Request for approval of [%s] withdrawn" % rn
mail_body = CFG_MAIL_BODY % \
{ 'site-name' : CFG_SITE_NAME,
'report-number' : rn,
}
send_email(CFG_SITE_SUPPORT_EMAIL,
mailto_addresses,
mail_subj,
mail_body,
copy_to_admin=CFG_WEBSUBMIT_COPY_MAILS_TO_ADMIN)
##
return ""
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