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bibknowledgeadminlib.py
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bibknowledgeadminlib.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 CERN.
##
## 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.
##
## 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 Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""
Handle requests from the web interface for Knowledge Base related
(admin) functions.
"""
from invenio.config import CFG_SITE_LANG
from invenio import bibknowledge, bibknowledge_dblayer
import invenio.template
bibknowledge_templates = invenio.template.load('bibknowledge')
def perform_request_knowledge_bases_management(ln=CFG_SITE_LANG, search="",
descriptiontoo=""):
"""
Returns the main page for knowledge bases management.
@param ln language
@param search search for this string in kb's
@param descriptiontoo search in descriptions too
@return the main page for knowledge bases management
"""
kbs = bibknowledge.get_kbs_info()
#if search is nonempty, filter out kb's that do not have the
#the string that we search
newkbs = []
if search:
for kb in kbs:
skip = 0 #do-we-need-to-scan-more control
kbname = kb['name']
#get description if needed
if descriptiontoo and kb['description'].count(search) > 0:
#add and skip
newkbs.append(kb)
skip = 1
#likewise: check if name matches
if descriptiontoo and kbname.count(search) > 0:
#add and skip
newkbs.append(kb)
skip = 1
#get mappings
mappings = bibknowledge_dblayer.get_kb_mappings(kbname)
for mapping in mappings:
if skip == 0:
key = mapping['key']
value = mapping['value']
if key.count(search)> 0 or value.count(search)> 0:
#add this in newkbs
newkbs.append(kb)
#skip the rest, we know there's ok stuff in this kb
skip = 1
kbs = newkbs
return bibknowledge_templates.tmpl_admin_kbs_management(ln, kbs, search)
def perform_request_knowledge_base_show(kb_id, ln=CFG_SITE_LANG, sortby="to",
startat=0, search_term=""):
"""
Show the content of a knowledge base
@param ln language
@param kb a knowledge base id
@param sortby the sorting criteria ('from' or 'to')
@param startat start showing mapping rules at what number
@param search_term search for this string in kb
@return the content of the given knowledge base
"""
name = bibknowledge_dblayer.get_kb_name(kb_id)
mappings = bibknowledge_dblayer.get_kb_mappings(name, sortby)
kb_type = bibknowledge_dblayer.get_kb_type(kb_id)
#filter in only the requested rules if the user is searching..
if search_term:
newmappings = []
for mapping in mappings:
key = mapping['key']
value = mapping['value']
if key.count(search_term)> 0 or value.count(search_term)> 0:
newmappings.append(mapping)
#we were searching, so replace
mappings = newmappings
#if this bk is dynamic, get the configuration from the DB
dyn_config = None
if kb_type == 'd':
dyn_config = bibknowledge_dblayer.get_kb_dyn_config(kb_id)
return bibknowledge_templates.tmpl_admin_kb_show(ln, kb_id, name,
mappings, sortby, startat,
kb_type, search_term,
dyn_config)
def perform_request_knowledge_base_show_attributes(kb_id, ln=CFG_SITE_LANG,
sortby="to"):
"""
Show the attributes of a knowledge base
@param ln language
@param kb a knowledge base id
@param sortby the sorting criteria ('from' or 'to')
@return the content of the given knowledge base
"""
name = bibknowledge_dblayer.get_kb_name(kb_id)
description = bibknowledge_dblayer.get_kb_description(name)
kb_type = bibknowledge_dblayer.get_kb_type(name)
return bibknowledge_templates.tmpl_admin_kb_show_attributes(ln, kb_id, name,
description,
sortby, kb_type)
def perform_request_knowledge_base_show_dependencies(kb_id, ln=CFG_SITE_LANG,
sortby="to"):
"""
Show the dependencies of a kb
@param ln language
@param kb a knowledge base id
@param sortby the sorting criteria ('from' or 'to')
@return the dependencies of the given knowledge base
"""
name = bibknowledge_dblayer.get_kb_name(kb_id)
format_elements = bibknowledge.get_elements_that_use_kb(name)
return bibknowledge_templates.tmpl_admin_kb_show_dependencies(ln, kb_id, name, sortby, format_elements)
def perform_request_verify_rule(ln, kbid, left, right, leftorright, currentname, tuples):
"""
Returns a page element by which the user chooses an action:
What to do if a rule already exists in some kb.
Parameters:
@param ln language
@param kbid current kb id
@param left left side of rule
@param right right side of rule
@param leftorright "left" or "right" checking
@param currentname the name of the current kb
@param tuples a list containing "kb - rule" tuples
"""
return bibknowledge_templates.tmpl_select_rule_action(ln, kbid, left, right, leftorright, currentname, tuples)
def perform_update_kb_config(kb_id, field, expression, collection):
"""
Updates config by calling a db function.
Parameters:
@param kb_id knowledge base id
@param field field configured to be used
@param expression search expression
@param collection search in this collection
"""
#this will complain if the collection does not exist
return bibknowledge_dblayer.save_kb_dyn_config(kb_id, field, expression, collection)

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