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R3600/modules/webjournal/lib/webjournal_washer.py
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webjournal_washer.py
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# -*- coding: utf-8 -*-
##
## 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.
import time
import re
from invenio.webjournal_config import InvenioWebJournalIssueNumberBadlyFormedError, \
InvenioWebJournalNoArticleNumberError, \
InvenioWebJournalArchiveDateWronglyFormedError
from invenio.webjournal_utils import get_current_issue, \
guess_journal_name
from invenio.config import cdslang
# precompiled patterns for the parameters
issue_number_pattern = re.compile("^\d{1,2}/\d{4}$")
def wash_journal_language(language):
"""
Washes the language parameter. If there is a language, return this,
otherwise return cdslang constant
"""
if language == "":
return cdslang
else:
return language
def wash_journal_name(language, journal_name):
"""
Washes the journal name parameter. In case of non-empty string, returns it,
otherwise redirects to a guessing function.
"""
if journal_name == "":
return guess_journal_name(language)
else:
return journal_name
def wash_issue_number(language, journal_name, issue_number):
"""
Washes an issue number to fit the pattern ww/YYYY, e.g. 50/2007
w/YYYY is also accepted and transformed to 0w/YYYY, e.g. 2/2007 -> 02/2007
If no issue number is found, tries to get the current issue
"""
if issue_number == "":
return get_current_issue(language, journal_name)
else:
issue_number_match = issue_number_pattern.match(issue_number)
if issue_number_match:
issue_number = issue_number_match.group()
if len(issue_number.split("/")[0]) == 1:
issue_number = "0%s" % issue_number
return issue_number
else:
raise InvenioWebJournalIssueNumberBadlyFormedError(language,
issue_number)
def wash_category(language, category):
"""
Wahses a category name. No washing criterions so far.
"""
return category
def wash_article_number(language, number, journal_name):
"""
Washes an article number. First checks if it is non-empty, then if it is
convertable to int. If all passes, returns the number, else throws
exception.
"""
if number == "":
raise InvenioWebJournalNoArticleNumberError(language, journal_name)
try:
int(number)
except:
raise InvenioWebJournalNoArticleNumberError(language, journal_name)
return number
def wash_popup_type(language, type, journal_name):
"""
"""
if type == "":
raise IvenioWebJournalNoPopupTypeError(language)
else:
return type
def wash_popup_record(language, record, journal_name):
"""
"""
if record == "":
raise InvenioWebJournalNoPopupRecordError(language, journal_name,
"no recid")
try:
int(record)
except:
raise InvenioWebJournalNoPopupRecordError(language, journal_name,
record)
return record
def wash_archive_date(language, journal_name, archive_date):
"""
Washes an archive date to the form dd/mm/yyyy or empty.
"""
if archive_date == "":
return ""
try:
time.strptime(archive_date, "%d/%m/%Y")
except:
raise InvenioWebJournalArchiveDateWronglyFormedError(language,
archive_date)
return archive_date
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