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clsparql2.py
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clsparql2.py
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
#***************************************************************************
#* nepoogle - SPARQL library. *
#* *
#* Copyright (C) 2011-2012 Ignacio Serantes <[email protected]> *
#* *
#* This program 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. *
#* *
#* This program 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 this program; if not, write to the *
#* Free Software Foundation, Inc., *
#* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
#***************************************************************************
import gettext, time
from PyQt4.QtCore import *
from PyKDE4.nepomuk2 import Nepomuk2
from PyKDE4.soprano import Soprano
from PyQt4.QtGui import *
from clsparql import *
from lfunctions import *
from lglobals import *
_ = gettext.gettext
#BEGIN clsparql2.py
#
# cSparqlBuilder2 class
#
class cSparqlBuilder2():
_private_query_header = "SELECT DISTINCT %s\n" \
"WHERE {\n\n"
_private_query_footer = "}\n"
columns = ""
command = ""
# [id, ['resultColumn', [fields], [ontologyFilter], [ontologyTypeFilter]]]
# fields: [id, 'ontology', useAsOptional, useToSort, ascending]...
commands = [ \
[_('--actors'), ['?x1', [[0, 'nco:fullname', True, True, True]], ['nmm:actor->nco:fullname'], ['nco:Contact']]], \
[_('--albums'), ['?r', [[0, 'nie:title', True, True, True]], ['nie:title'], ['nmm:MusicAlbum']]], \
[_('--audios'), ['?r', [[0, 'nie:url', True, True, True]], ['nie:title'], ['nfo:Audio']]], \
#[_('--connect'), ['', [], [], []]], \
[_('--composers'), ['?x1', [[0, 'nco:fullname', True, True, True]], ['nmm:composer->nco:fullname'], ['nco:Contact']]], \
[_('--contacts'), ['?r', [[0, 'nco:fullname', True, True, True]], ['nco:fullname'], ['nco:Contact']]], \
[_('--creators'), ['?x1', [[0, 'nco:fullname', True, True, True]], ['nco:creator->nco:fullname'], ['nco:Contact']]], \
#[_('--daemonize'), ['', [], [], []]], \
[_('--directors'), ['?x1', [[0, 'nco:fullname', True, True, True]], ['nmm:director->nco:fullname'], ['nco:Contact']]], \
#[_('--disconnect'), ['', [], [], []]], \
#[_('--findduplicates'), ['SELECT DISTINCT ?hash AS ?id\nWHERE {\n ?x0 nao:userVisible 1 .\n ?x0 nfo:hasHash ?hash .\n}\nGROUP BY ?hash\nHAVING (COUNT(?x0) > 1)\nORDER BY ?hash', [], [], []]], \
#[_('--findduplicatemusic'), ['SELECT DISTINCT ?hash AS ?id\nWHERE {\n ?x0 nao:userVisible 1 .\n ?x0 nfo:hasHash ?hash .\n ?x0 a nmm:MusicPiece .\n}\nGROUP BY ?hash\nHAVING (COUNT(?x0) > 1)\nORDER BY ?hash', [], [], []]], \
#[_('--findduplicatephotos'), ['SELECT DISTINCT ?hash AS ?id\nWHERE {\n ?x0 nao:userVisible 1 .\n ?x0 nfo:hasHash ?hash .\n ?x0 a nexif:Photo .\n}\nGROUP BY ?hash\nHAVING (COUNT(?x0) > 1)\nORDER BY ?hash', [], [], []]], \
[_('--editcfg'), ['editcfg', [], [], []]], \
[_('--genres'), ['\'ont://nmm:genre\' AS ?id ?v', [[0, 'nmm:genre', True, True, True]], ['nmm:genre'], []]], \
[_('--help'), ['help', [], [], []]], \
[_('--images'), ['?r', [[0, 'nie:url', True, True, True], [1, 'nie:title', True, True, True]], ['nie:url'], ['nfo:RasterImage']]], \
[_('--movies'), ['?r', [[0, 'nie:title', True, True, True], [1, 'nie:url', True, True, True]], ['nie:title'], ['nmm:Movie']]], \
[_('--musicpieces'), ['?r', [[0, 'nie:title', True, True, True], [1, 'nie:url', True, True, True]], ['nie:title'], ['nmm:MusicPiece']]], \
[_('--musicplayer'), ['musicplayer', [], [], []]], \
[_('--newcontact'), ['newcontact', [], [], []]], \
[_('--nextepisodestowatch'), ['SELECT ?r\nWHERE {\n ?r nmm:series ?series .\n ?r nmm:season ?season .\n ?r nmm:episodeNumber ?episode . FILTER(?season*1000+?episode = ?se)\n ?r rdf:type nmm:TVShow .\n {\n SELECT ?series MIN(?s*1000+?e) AS ?se ?seriesTitle\n WHERE {\n ?r a nmm:TVShow ; nmm:series ?series ; nmm:episodeNumber ?e ; nmm:season ?s .\n OPTIONAL { ?r nuao:usageCount ?u . } . FILTER(!BOUND(?u) or (?u < 1)) .\n OPTIONAL { ?series nie:title ?seriesTitle . } .\n }\n }\n}\nORDER BY bif:lower(?seriesTitle)\n', [], [], []]], \
[_('--notindexed'), ['notindexed', [], [], []]], \
[_('--performers'), ['?x1', [[0, 'nco:fullname', True, True, True]], ['nmm:performer->nco:fullname'], ['nco:Contact']]], \
[_('--playlist'), ['playlist', [], [], []]], \
[_('--playmixed'), ['playmixed', [], [], []]], \
[_('--producers'), ['?x1', [[0, 'nco:fullname', True, True, True]], ['nmm:producer->nco:fullname'], ['nco:Contacts']]], \
#[_('--quit'), ['quit', [], [], []]], \
[_('--showupdates'), ['SELECT DISTINCT ?r\nWHERE {\n ?g nao:maintainedBy ?v . ?v nao:identifier "%s"^^xsd:string .\n GRAPH ?g {\n ?r nao:lastModified ?lastModified .\n } .\n}\nORDER BY DESC(?lastModified)\n', [], [], []]], \
[_('--shownepoogleupdates'), ['SELECT DISTINCT ?r\nWHERE {\n ?g nao:maintainedBy ?v . ?v nao:identifier "nepoogle"^^xsd:string .\n GRAPH ?g {\n ?r nao:lastModified ?lastModified .\n } .\n}\nORDER BY DESC(?lastModified)\n', [], [], []]], \
[_('--sort'), ['sort', [], [], []]], \
[_('--tags'), ['?r', [[0, 'nao:prefLabel', True, True, True], [2, 'nao:altLabel', True, True, True]], ['nao:prefLabel'], ['nao:Tag']]], \
[_('--topics'), ['?r', [[0, 'pimo:tagLabel', True, True, True]], ['nao:identifier'], ['pimo:Topic']]], \
[_('--tvseries'), ['?r', [[0, 'nie:title', True, True, True], [1, 'nie:url', True, True, True]], ['nie:title'], ['nmm:TVSeries']]], \
[_('--tvshows'), ['?r', [[0, 'nie:url', True, True, True], [1, 'nie:title', True, True, True]], ['nie:title'], ['nmm:TVShow']]], \
[_('--videos'), ['?r', [[0, 'nie:title', True, True, True], [1, 'nie:url', True, True, True]], ['nie:url'], ['nfo:Video']]], \
[_('--writers'), ['?x1', [[0, 'nco:fullname', True, True, True]], ['nmm:writer->nco:fullname'], ['nco:Contact']]] \
]
enableInference = False
engine = 1 # 0- Nepomuk.QueryParse(), 1- internal
externalParameters = []
# [id, 'ontology', useAsOptional, useToSort, ascending]
fields = [ \
[0, 'nie:url', True, True, True], \
[1, 'nie:title', True, True, True], \
[2, 'nco:fullname', True, True, True], \
[3, 'nao:prefLabel', True, True, True] \
]
filters = []
#filterHard = " FILTER(REGEX(%s, \"^nepomuk:/res/\"^^xsd:string, \"i\"))\n\n"
filterHard = ""
getOptionalFields = True
indentationLevel = 1
lastSPARQLQuery = ""
model = None
regExpOntologies = ("nie:url", "rdf:type")
resultField = "?r"
resultFieldSubqueries = resultField
resultFieldOutput = "?id"
resultsetLimit = 0
resultsetOffset = 0
searchForUrlsTooInBasicSearch = True
sortCaseInsensitive = True
sortEmptyToEnd = False
sortMagicChar = unichr(0xFF)
sortSuffix = '_sort'
stdoutQuery = False
shortcuts = [ \
['_nmm:actor->*',_('actor'), _('ac'), _("resources by actor")], \
['nmm:actor?->*', _('actors'), _('acs'), _("actors")], \
['_nmm:actor<-nie:title', _('actorsmedia'), _('am'), _("actors in media title")], \
['_nmm:actor<-nmm:series->nie:title', _('actorstvseries'), _('at'), _("actors in tv series")], \
['_nmm:albumArtist->*', _('albumartist'), _('aa'), _("albums by artist")], \
['_rdf:type=nmm:MusicPiece->nmm:musicAlbum->nmm:albumArtist->*',_('albumartistsongs'), _('aas'), _("songs by album artist")], \
['albums: nmm:musicAlbum<-released', _('albumyear'), _('ay'), _("album published year")], \
['nmm:musicAlbum->nie:title', _('album'), _('al'), _("music pieces in album")], \
['rdf:type=nmm:MusicAlbum->nie:title',_('albums'), _('als'), _("albums")], \
['nao:altLabel', _('altlabel'), _('all'), _("alternative label")], \
['_nmm:composer->*',_('composer'), _('com'), _("music pieces by composer")], \
['nmm:composer?->*', _('composers'), _('coms'), _("composers")], \
['?ont->nco:fullname', _('contact'), _('co'), _("resources by contact")], \
['rdf:type=nco:Contact->nco:fullname', _('contacts'), _('cos'), _("contacts")], \
['nco:contributor->nco:fullname', _('contribute'), _('coe'), _("contribute to a resource")], \
['nco:contributor<-nco:fullname', _('contributor'), _('cor'), _("resource contributors")], \
['nao:created', _('created'), _('cd'), _("created")], \
['nie:contentCreated', _('contentcreated'), _('cc'), _("content created")], \
['_nco:creator->*', _('creator'), _('cr'), _("resources by creator")], \
['nco:creator?->*', _('creators'), _('crs'), _("creators")], \
['nfo:depiction<-nco:fullname', _('cdepictions'), _('cds'), _("contact depictions")], \
['nao:description', _('description'), _('de'), _("description")], \
['_nmm:director->*', _('director'), _('di'), _("resources by director")], \
['nmm:director?->*', _('directors'), _('dis'), _("directors")], \
['_nmm:director<-nie:title', _('directorsmedia'), _('dm'), _("directors in media title")], \
['_nmm:director<-nmm:series->nie:title', _('directorstvseries'), _('dt'), _("directors in tv series")], \
['nmm:setNumber', _('discnumber'), _('dn'), _("music album disc number")], \
['nfo:duration', _('duration'), _('du'), _("duration")], \
['nmm:episodeNumber', _('episode'), _('ep'), _("tvshow episode number")], \
['nexif:flash', _('flash'), _('fl'), _("photograph flash")], \
['nco:fullname', _('fullname'), _('fn'), _("contact's fullname")], \
['_nmo:from->*', _('from'), _('fr'), _("email from")], \
['!nmm:genre', _('genre'), _('ge'), _("genre")], \
['_nao:hasTag->nao:identifier', _('hastag'), _('ht'), _("tag name")], \
['nfo:height', _('height'), _('he'), _("height")], \
['kext:indexingLevel', _('indexinglevel'), _('il'), _("nepomuk indexing level")], \
['rdf:type=nfo:RasterImage->nie:url', _('images'), _('ims'), _("images")], \
['nao:isRelated<-nco:fullname', _('isrelated'), _('ir'), _("contact is related")], \
['nexif:meteringMode', _('meteringmode'), _('mm'), _("photograph metering mode")], \
['nie:mimeType', _('mimetype'), _('mt'), _("file mime type")], \
['rdf:type=nmm:Movie->nie:title', _('movies'), _('mos'), _("movies")], \
['rdf:type=nmm:MusicPiece->nie:title',_('musicpieces'), _('mps'), _("music pieces")], \
['nie:url', _('name'), _('na'), _("file urls")], \
['nao:numericRating', _('numericrating'), _('nr'), _("rating")], \
['_nmm:performer->*', _('performer'), _('pe'), _("music pieces by performer")], \
['nmm:performer?->*', _('performers'), _('pes'), _("performers")], \
['nmm:musicAlbum=?vma->nmm:performer->nco:fullname',_('performeralbum'), _('pa'), _("albums by performer")], \
['_nmm:producer->*', _('producer'), _('pr'), _("resources by producer")], \
['nmm:producer?->*', _('producers'), _('prs'), _("producers")], \
['_nmm:producer<-nie:title', _('producersmedia'), _('pm'), _("producers in media title")], \
['_nmm:producer<-nmm:series->nie:title', _('directorstvseries'), _('pt'), _("producers in tv series")], \
['nco:photo<-nco:fullname', _('photos'), _('ps'), _("photographs")], \
['nuao:usageCount', _('playcount'), _('pc'), _("media file play count")], \
['nao:prefLabel', _('preflabel'), _('pl'), _("preferred label")], \
['nao:numericRating', _('rating'), _('ra'), _("rating")], \
['nie:contentCreated|nmm:releaseDate', _('released'), _('re'), _("released")], \
['nie:contentCreated', _('contentcreated'), _('cc'), _("content created")], \
['nmm:releaseDate', _('releasedate'), _('rd'), _("resource release data")], \
['nexif:saturation', _('saturation'), _('sa'), _("photograph saturation")], \
['nexif:sharpness', _('sharpness'), _('sh'), _("photograph sharpness")], \
['nmm:season', _('season'), _('se'), _("tvshow season")], \
['nmm:setNumber', _('setnumber'), _('sn'), _("music album disc number")], \
['nmo:messageSubject', _('subject'), _('su'), _("email subject")], \
['rdf:type=nao:Tag->nao:prefLabel', _('tags'), _('ta'), _("tags by label")], \
['nfo:depiction<-nie:title', _('tdepictions'), _('tds'), _("tvseries depictions")], \
['nie:title', _('title'), _('ti'), _("resource title")], \
['nmm:trackNumber', _('tracknumber'), _('tn'), _("song track number")], \
['_nmo:to->*', _('to'), _('to'), _("email to")], \
['_nco:topic->*',_('topic'), _('tp'), _("resources by topic")], \
['nco:topic?->*', _('topics'), _('tps'), _("topics")], \
['nmm:series->nie:title', _('tvserie'), _('ts'), _("tvshows by series")], \
['rdf:type=nmm:TVSeries->nie:title', _('tvseries'), _('tvs'), _("tvseries")], \
['_nmm:series<-nmm:actor->nco:fullname', _('tvseriesactors'), _('tva'), _("tv series by actor")], \
['_nmm:series<-nmm:director->nco:fullname', _('tvseriesdirectors'), _('tvd'), _("tv series by director")], \
['_nmm:series<-nmm:producer->nco:fullname', _('tvseriesproducers'), _('tvp'), _("tv series by producer")], \
['_nmm:series<-nmm:writer->nco:fullname', _('tvserieswriters'), _('tvw'), _("tv series by writer")], \
['nmm:series->nie:title', _('tvshow'), _('tv'), _("tvshows by title")], \
['rdf:type=nmm:TVShow->nie:title', _('tvshows'), _('tvw'), _("tvshows")], \
['!rdf:type', _('type'), _('ty'), _("resource type")], \
['%nie:url', _('url'), _('ur'), _("file url")], \
['nuao:usageCount', _('usagecount'), _('uc'), _("media file play count")], \
['rdf:type=nfo:Video->nie:url', _('videos'), _('vis'), _("videos")], \
['nfo:width', _('width'), _('wi'), _("width")], \
['nexif:whiteBalance', _('whitebalance'), _('wb'), _("photograph white balance")], \
['_nmm:writer->*', _('writer'), _('wr'), _("resources by writer")], \
['nmm:writer?->*', _('writers'), _('wrs'), _("writers")], \
['_nmm:writer<-nie:title', _('writersmedia'), _('wm'), _("writers in media title")], \
['_nmm:writer<-nmm:series->nie:title', _('writerstvseries'), _('wt'), _("writers in tv series")] \
]
#(movies: and actor:"takeuchi") or nmm:series<-nmm:actor->nco:fullname:"takeuchi"
tempData = ['', [], [], []] # Storage for temporal data.
typeFilters = [] # To limit the results to only selected resource types.
visibilityFilter = "" # Was removed since KDE 4.9.
warningsList = []
def __init__(self, model = None):
self.model = model
def __del__(self):
pass
def buildQuery(self, searchString = ''):
if ((self.command == '') and (self.filters == []) and (searchString != '')):
self.filters = self.stringQueryConversion(searchString.strip())
if (self.command == ''):
pass
else:
idx = lindex(self.commands, self.command, 0)
if (idx >= 0):
if (self.commands[idx][1][0] == ''):
raise Exception("Sorry, command <b>%s</b> not implemented yet." % self.command)
elif (self.commands[idx][1][0].strip().upper()[:7] == "SELECT "):
# It's a full query.
query = self.commands[idx][1][0].strip()
if self.stdoutQuery:
print toUtf8(query)
if (query.find("%s") >= 0):
if (len(self.filters) < 1):
raise Exception("Command \"%s\"requires one parameter." % self.command)
query = query % self.filters[0][0]
return query
else:
self.tempData = self.commands[idx][1]
else:
raise Exception("Unknown command <b>%s</b>, try <b>--help</b> command." % self.command)
# Comandos especiales.
if (self.tempData[0] == "help"):
raise Exception(self.tempData[0])
elif (self.tempData[0] == "editcfg"):
raise Exception(self.tempData[0])
elif (self.tempData[0] == "notindexed"):
try:
self.command == self.tempData[0].split(":")[1]
except:
self.command = ""
raise Exception(self.tempData[0])
elif (self.tempData[0] == 'newcontact'):
raise Exception(self.tempData[0])
elif (self.tempData[0] in ("musicplayer", "playlist", "playmixed")):
self.externalParameters = [self.tempData[0]]
self.tempData = ['', [], [], []]
if (self.tempData[0] == ''):
if (self.columns == ""):
columns = '%s AS %s' % (self.resultField, self.resultFieldOutput)
else:
columns = self.columns
else:
if (self.tempData[0].lower().find(" as ") < 0):
columns = '%s AS %s' % (self.tempData[0], self.resultFieldOutput)
else:
columns = self.tempData[0]
filterHard = self.filterHard
if filterHard:
filterHard = (self.filterHard % self.resultField)
footer = self._private_query_footer
header = self._private_query_header % columns
having = self.bsHaving()
limits = self.bsResulsetLimits()
optionalFields = self.bsOptionalFields()
sort = self.bsSort()
subqueries = self.bsSubqueries()
#SELECT DISTINCT ?r AS ?id
#WHERE {
#
# { subquery } [[UNION] { subquery }...
#
# [optional { ?r ?p ?v . }]...
#
#}
#ORDER BY bif:lower(?v)...
self.lastSPARQLQuery = header \
+ subqueries \
+ optionalFields \
+ filterHard \
+ footer \
+ having \
+ sort \
+ limits
if self.stdoutQuery:
print toUtf8(self.lastSPARQLQuery)
self.tempData = ['', [], [], []]
return self.lastSPARQLQuery
def buildDateFilter(self, val, op):
if (op == "=="):
op = "="
dateType = None
val = val.upper()
typeMark = val[-1]
if (typeMark in ("Y", "M", "D")):
val = val[:-1]
else:
typeMark = None
try:
intVal = int(val)
if (typeMark == None):
if ((intVal >= 1) and (intVal <= 12)):
typeMark = "M"
elif ((intVal > 12) and (intVal <= 31)):
typeMark = "D"
else:
typeMark = "Y"
val = intVal
if (typeMark == "Y"):
dateFilter = "FILTER(bif:year(?v) %s %s) ." % (op, val)
elif (typeMark == "M"):
dateFilter = "FILTER(bif:month(?v) %s %s) ." % (op, val)
elif (typeMark == "D"):
dateFilter = "FILTER(bif:dayofmonth(?v) %s %s) ." % (op, val)
else:
raise Exception("Can't recognized <b>%s</b> as date format." % self.command)
except:
dateFilter = "FILTER(xsd:date(?v) %s \"%s\"^^xsd:date) ." % (op, val)
return dateFilter
def buildFloatFilter(self, val, op, precision = 4):
# Workaround for the precision problem.
if (vartype(val) in ("str", "unicode")):
val = round(float(val), precision)
val = round(val, precision)
adjustmentNumber = "0.%0" + "%sd1" % (precision - 1)
adjustmentNumber = float(adjustmentNumber % 0)
valMax = val + adjustmentNumber*9
valMin = val - adjustmentNumber
if (op in ("=", "==")):
return "FILTER((?v >= %(valMin)s) and (?v < %(valMax)s)) ." % {'op': op, 'valMin': valMin, 'valMax': valMax}
elif (op in (">", ">=")):
return "FILTER(?v %(op)s %(val)s) ." % {'op': op, 'val': valMax}
elif (op in ("<", "<=")):
return "FILTER(?v %(op)s %(val)s) ." % {'op': op, 'val': valMin}
elif (op == "!="):
return "FILTER((?v < %(valMin)s) or (?v >= %(valMax)s)) ." % {'op': op, 'valMin': valMin, 'valMax': valMax}
else:
return ""
def buildTimeFilter(self, val, op):
if op == "==":
op = "="
dateType = None
val = val.upper()
typeMark = val[-1]
if (typeMark in ("H", "M", "S")):
val = val[:-1]
else:
typeMark = None
try:
intVal = int(val)
if (typeMark == None):
if ((intVal >= 1) and (intVal <= 24)):
typeMark = "H"
elif ((intVal > 24) and (intVal <= 60)):
typeMark = "M"
else:
typeMark = "S"
if (typeMark == "H"):
intVal = intVal*60*60
elif (typeMark == "M"):
intVal = intVal*60
else:
pass
return "FILTER(?v %s %s) ." % (op, intVal)
except:
pass
#BUG: nfo:duration>3:25 da error.
try:
splitTime = val.split(":")
if len(splitTime) == 3:
intVal = int(splitTime[0])*60*60 + int(splitTime[1])*60 + int(splitTime[2])
elif len(splitTime) == 2:
intVal = int(splitTime[0])*60 + int(splitTime[1])
elif len(splitTime) == 1:
intVal = int(splitTime[0])
else:
raise Exception("Can't recognized <b>%s</b> as time format." % self.command)
except:
raise Exception("Can't recognized <b>%s</b> as time format." % self.command)
return "FILTER(?v %s %s) ." % (op, intVal)
def buildExpressionFilter(self, valType, operator, value, forceRegEx = False):
# If string is between " they must be removed.
if (value and (value[0] == value[-1] == '"')):
value = value[1:-1]
filterExpression = ""
if ((value == "") or (value == ".*")):
pass
elif (valType in ('number', 'int', 'integer')):
if (operator == "=="):
operator = "="
filterExpression = "FILTER(?v %(op)s %(val)s) ." % {'op': operator, 'val': value}
elif (valType == "float"):
filterExpression = self.buildFloatFilter(value, operator)
elif ((valType == "date") or (valType == "datep")):
filterExpression = self.buildDateFilter(value, operator)
elif ((valType == "datetime") or (valType == "datetimep")):
filterExpression = self.buildDateFilter(value, operator)
elif ((valType == "seconds") or (valType == "time") or (valType == "duration")):
filterExpression = self.buildTimeFilter(value, operator)
elif (valType == "aperturevalue"):
if value[0].lower() == 'f':
value = value[1:]
filterExpression = self.buildFloatFilter(value, operator)
elif (valType == "exposurebiasvalue"):
valTerms = value.split("/")
if (len(valTerms) > 1):
value = float(valTerms[0])/float(valTerms[1])
filterExpression = self.buildFloatFilter(value, operator)
elif (valType == "exposuretime"):
valTerms = value.split("/")
if (len(valTerms) > 1):
value = float(valTerms[0])/float(valTerms[1])
filterExpression = self.buildFloatFilter(value, operator, 6)
elif (valType == "flash"):
value = value.lower()
if (value in NEXIF_FLASH_LOWER):
value = lindex(NEXIF_FLASH_LOWER, value)
else:
value = 0
if (value == 0):
operator = "="
else:
value = 0
operator = ">"
filterExpression = "FILTER(bif:bit_and(xsd:integer(?v), 1) %(op)s %(val)s) ." % {'op': operator, 'val': value}
elif (valType == "focallength"):
valTerms = value.split("/")
if (len(valTerms) > 1):
value = float(valTerms[0])/float(valTerms[1])
filterExpression = self.buildFloatFilter(value, operator, 1)
elif (valType == "indexinglevel"):
value = value.lower()
if (value in KEXT_INDEXING_LEVEL_LOWER):
value = lindex(KEXT_INDEXING_LEVEL_LOWER, value)
else:
value = "-1" # A value not defined in NEXIF_WHITE_BALANCE
filterExpression = "FILTER(xsd:integer(?v) %(op)s %(val)s) ." % {'op': operator, 'val': value}
elif (valType == "meteringmode"):
value = value.lower()
if (value in NEXIF_METERING_MODE_LOWER):
value = lindex(NEXIF_METERING_MODE_LOWER, value)
if (value == 7):
value = 255
else:
value = "-1" # A value not defined in NEXIF_METERING_MODE
filterExpression = "FILTER(xsd:integer(?v) %(op)s %(val)s) ." % {'op': operator, 'val': value}
elif (valType == "orientation"):
if operator == "==":
operator = "="
filterExpression = "FILTER(?v %(op)s %(val)s) ." % {'op': operator, 'val': value}
elif (valType == "saturation"):
value = value.lower()
if (value in NEXIF_SATURATION_LOWER):
value = lindex(NEXIF_SATURATION_LOWER, value)
else:
value = "-1" # A value not defined in NEXIF_SATURATION
filterExpression = "FILTER(xsd:integer(?v) %(op)s %(val)s) ." % {'op': operator, 'val': value}
elif (valType == "sharpness"):
value = value.lower()
if (value in NEXIF_SHARPNESS_LOWER):
value = lindex(NEXIF_SHARPNESS_LOWER, value)
else:
value = "-1" # A value not defined in NEXIF_SHARPNESS
filterExpression = "FILTER(xsd:integer(?v) %(op)s %(val)s) ." % {'op': operator, 'val': value}
elif (valType == "whitebalance"):
value = value.lower()
if (value in NEXIF_WHITE_BALANCE_LOWER):
value = lindex(NEXIF_WHITE_BALANCE_LOWER, value)
else:
value = "-1" # A value not defined in NEXIF_WHITE_BALANCE
filterExpression = "FILTER(xsd:integer(?v) %(op)s %(val)s) ." % {'op': operator, 'val': value}
else:
# String.
if (operator == "=="):
if (value == u'\xa0'): # character, a special case to allow search for empty strings from the gui.
value = ""
filterExpression = "FILTER(?v %(op)s \"%(val)s\"^^xsd:string) ." % {'op': "=", 'val': value}
else:
chars = set('*^$&|,.')
useRegEx = forceRegEx or any((char in chars) for char in value)
#useRegEx = forceRegEx or not (("*" not in value) and (value[0] != "^") and (value[-1] != "$"))
if useRegEx:
value = value.replace('(', '\\\(').replace(')', '\\\)').replace('+', '\\\+')
if (operator == "="):
filterExpression = "FILTER(REGEX(?v, \"%(val)s\"^^xsd:string, 'i')) ." % {'val': value}
elif (operator == "!="):
filterExpression = "FILTER(!REGEX(?v, \"%(val)s\"^^xsd:string, 'i')) ." % {'val': value}
else:
filterExpression = "FILTER(?v %(op)s \"%(val)s\"^^xsd:string) ." % {'op': operator, 'val': value}
else:
if (operator == "="):
filterExpression = "FILTER(bif:contains(?v, \"'%(val)s'\")) ." % {'val': value}
elif (operator == "!="):
#TODO: qué coño pasa aquí?
filterExpression = "FILTER(!bif:contains(?v, \"'%(val)s'\")) ." % {'val': value}
#filterExpression = "FILTER(!REGEX(?v, \"%(val)s\"^^xsd:string, 'i')) ." % {'val': value}
else:
filterExpression = "FILTER(?v %(op)s \"%(val)s\"^^xsd:string) ." % {'op': operator, 'val': value}
return filterExpression
def ontologyConversion(self, ontology = ''):
ont = ontology.strip().lower()
if (ont == ''):
ontology = ''
elif (ont.find(':') > 0):
pass
else:
idx = lindex(self.shortcuts, ont, 1)
if (idx == None):
# Miramos en las abreviaturas.
idx = lindex(self.shortcuts, ont, 2)
if (idx >= 0):
ontology = self.shortcuts[idx][0]
else:
if (ontology[0] not in ("?", "*")): # Especial: variable or all.
raise Exception("Unknown ontology <b>%s</b>." % ontology)
return ontology
def valuePreprocess(self, value = None, ontology = None):
if (ontology == "rdf:type"):
return value.replace("://", "@").replace(":", "#").replace("@", "://")
return value
def bsOptionalFields(self):
if not self.getOptionalFields:
return ""
if (self.tempData[1] == []):
fields = self.fields
resultFieldSubqueries = self.resultFieldSubqueries
else:
fields = self.tempData[1]
resultFieldSubqueries = self.tempData[0]
if (self.tempData[0].lower().find(" as ") >= 0):
resultFieldSubqueries = self.resultFieldSubqueries
text = ""
for item in fields:
if not item[2]:
continue
try:
text += " optional { %(resultField)s %(ontology)s ?%(field)s . }\n" \
% {'resultField': resultFieldSubqueries, 'ontology': item[1], 'field': item[1].split(":")[1]}
except:
pass
if (text != None):
text += "\n"
return text
def bsHaving(self):
return ''
#return "HAVING !(?type = <http://www.w3.org/2000/01/rdf-schema#Resource>)\n"
#return "HAVING (?type = <http://www.w3.org/2000/01/rdf-schema#Resource>)\n"
#return "GROUP BY (?x0)\n"
def bsResulsetLimits(self):
text = ''
if self.resultsetLimit > 0:
text += "LIMIT %s\n" % self.resultsetLimit
if self.resultsetOffset > 0:
text += "OFFSET %s" % self.resultsetOffset
return text
def bsSort(self):
if self.tempData[1] == []:
fields = self.fields
else:
fields = self.tempData[1]
sortText = ""
for item in fields:
if item[3]:
try:
if item[4]:
sortType = "ASC"
else:
sortType = "DESC"
columnName = "?" + item[1].split(":")[1]
if self.sortCaseInsensitive:
if (ontologyInfo(item[1])[2].lower() in ("string", "resource", "literal")):
if self.sortEmptyToEnd:
sortText += u"%s(bif:concat(bif:lower(%s), '%s')) " % (sortType, columnName, self.sortMagicChar)
else:
sortText += u"%s(bif:lower(%s)) " % (sortType, columnName)
else:
sortText += "%s(%s) " % (sortType, columnName)
else:
sortText += "%s(%s) " % (sortType, columnName)
except:
pass
if (sortText != ""):
sortText = "ORDER BY " + sortText + "\n"
return sortText
def bsSubqueryTerm(self, term, indentationLevel = 2):
# term[0] - value
# term[1] - operator
# term[2] - ontology
indent = ("%%%ds" % (indentationLevel*2)) % ""
indent2 = ("%%%ds" % ((indentationLevel+1)*2)) % ""
indent3 = ("%%%ds" % ((indentationLevel+2)*2)) % ""
strTerm = ""
try:
value = term[0]
except:
value = ""
try:
operator = term[1]
if (operator == ''):
operator = '='
except:
operator = "="
try:
ontologies = term[2]
except:
ontologies = ""
if (ontologies == ""):
# There aren't ontologies, generic text search.
value = value.replace("'", "''")
if (operator == "!="):
strTerm += indent + "%s a ?v1 . FILTER NOT EXISTS {\n" % (self.resultFieldSubqueries)
strTerm += indent2 + "{\n"
strTerm += indent3 + "%s ?p1 ?v2 . FILTER(bif:contains(?v2, \"'%s'\")) .\n" % (self.resultFieldSubqueries, value)
strTerm += indent2 + "} UNION {\n"
strTerm += indent3 + "%s ?p2 [ ?p3 ?v2 ] . FILTER(bif:contains(?v2, \"'%s'\")) .\n" % (self.resultFieldSubqueries, value)
strTerm += indent2 + "} .\n"
strTerm += indent + "} .\n"
elif (operator == "=="):
strTerm += indent + "{\n"
strTerm += indent2 + "%s ?p ?v . FILTER(?v = \"%s\"^^xsd:string) .\n" % (self.resultFieldSubqueries, value)
strTerm += indent + "} UNION {\n"
strTerm += indent2 + "%s ?p1 [ ?p2 ?v ] . FILTER(?v = \"%s\"^^xsd:string) .\n" % (self.resultFieldSubqueries, value)
if self.searchForUrlsTooInBasicSearch:
strTerm += indent + "} UNION {\n"
strTerm += indent2 + "%s nie:url ?v . FILTER(?v = \"%s\"^^xsd:string) .\n" % (self.resultFieldSubqueries, toN3(value))
strTerm += indent + "}\n"
else:
testBifContainsList = value.split()
wildCardError = False
for item in testBifContainsList:
if ((len(item) <= 4) and (item.find("*") > -1)):
raise Exception(_("Wildcard word needs at least 4 leading characters because a Virtuoso backend limitation."))
strTerm += indent + "{\n"
strTerm += indent2 + "%s ?p ?v . FILTER(bif:contains(?v, \"'%s'\")) .\n" % (self.resultFieldSubqueries, value)
strTerm += indent + "} UNION {\n"
strTerm += indent2 + "%s ?p1 [ ?p2 ?v ] . FILTER(bif:contains(?v, \"'%s'\")) .\n" % (self.resultFieldSubqueries, value)
if self.searchForUrlsTooInBasicSearch:
strTerm += indent + "} UNION {\n"
strTerm += indent2 + "%s nie:url ?v . FILTER(REGEX(?v, \"%s\"^^xsd:string, 'i')) .\n" % (self.resultFieldSubqueries, toN3(value))
strTerm += indent + "}\n"
else:
# There are ontologies.
ontologies = self.ontologyConversion(ontologies)
ontologies = ontologies.split(" ")
for ontologiesItem in ontologies:
i = numInverseRelations = relationAdjustmentResource = relationAdjustmentValue = 0
ontologyElements = re.split('->|<-', ontologiesItem)
ontologyRelations = re.findall('->|<-', ontologiesItem)
negationWithNotExists = False
clause = ""
fieldUsedAsResult = "?x%d " % 0
firstOntology = None
lastOntology = None
filterToUse = None
for ontology in ontologyElements:
ontology = self.ontologyConversion(ontology)
valType = ""
if (ontology[0] == "%"):
ontology = ontology[1:]
value = toN3(value)
elif (ontology[0] == "_"):
ontology = ontology[1:]
negationWithNotExists = negationWithNotExists or (operator == "!=")
elif (ontology[0] == "!"):
ontology = ontology[1:]
negationWithNotExists = negationWithNotExists or (operator == "!=")
elif ((value == "") and (operator == "!=")):
negationWithNotExists = True
if (ontology[-1] == "?"): # Use this ontology as the result one.
fieldUsedAsResult = "?x%d " % (i+1)
ontology = ontology[:-1]
valType = self.ontologyVarType(ontology)
if (ontology.find('=') >= 0):
rName = "?x%d" % (i)
clause += "%(r)s %(ont)s %(v)s . " % {'ont': ontology.split('=')[0], 'r': rName, 'v': ontology.split('=')[1]}
else:
# Here is where relations are stablished:
# Normal sample: { ?r ?ont1 ?x1 . ?x1 ?ont2 ?x2 . FILTER(REGEX(?x2, "text"^^xsd:string, 'i')) }
# Inverse sample: { ?x1 ?ont1 ?r . ?x1 ?ont2 ?x2 . FILTER(REGEX(?x2, "text"^^xsd:string, 'i')) }
try:
doSwap = (ontologyRelations[i] == "<-")
except:
doSwap = False
if doSwap:
vName = "?x%d" % i
rName = "?x%d" % (i + 1)
else:
rName = "?x%d" % i
vName = "?x%d" % (i + 1)
# ont1&ont2&ont3 must conveted in several clauses without UNION.
# ont1|ont2|ont3 must conveted in several clauses with UNION.
addUnion = ""
ontologyGroup = ontology.split("&")
if (len(ontologyGroup) <= 1):
ontologyGroup = ontology.split("|")
if (len(ontologyGroup) > 1):
addUnion = "UNION"
else:
if (len(ontology.split("|")) > 1):
raise Exception("Bad shortcut definition, shortcuts can't use \"|\" and \"&\" at the same time in \"%s\"." % ontology)
if (len(ontologyGroup) > 1):
valType = self.ontologyVarType(ontologyGroup[0])
filterToUse = self.buildExpressionFilter(valType, operator, self.valuePreprocess(value, ontologyGroup[0]), ontologyGroup[0] in self.regExpOntologies)
clause += "{\n"
clause += indent2 + "%(r)s %(ont)s %(v)s . %(f)s\n" % {'ont': ontologyGroup[0], 'r': rName, 'v': vName, 'f': filterToUse}
clause += indent + "} %s " % addUnion
for j in range(1, len(ontologyGroup)-1):
valType = self.ontologyVarType(ontologyGroup[j])
filterToUse = self.buildExpressionFilter(valType, operator, self.valuePreprocess(value, ontologyGroup[j]), ontologyGroup[j] in self.regExpOntologies)
clause += "{\n"
clause += indent2 + "%(r)s %(ont)s %(v)s . %(f)s\n" % {'ont': ontologyGroup[j], 'r': rName, 'v': vName, 'f': filterToUse}
clause += indent + "} %s " % addUnion
valType = self.ontologyVarType(ontologyGroup[-1])
filterToUse = self.buildExpressionFilter(valType, operator, self.valuePreprocess(value, ontologyGroup[-1]), ontologyGroup[-1] in self.regExpOntologies)
clause += "{\n"
clause += indent2 + "%(r)s %(ont)s %(v)s . %(f)s\n" % {'ont': ontologyGroup[-1], 'r': rName, 'v': vName, 'f': filterToUse}
clause += indent + "}"
if not filterToUse:
filterToUse = "dummy value"
else:
if (ontology == "*"):
# Text search in all resource ontologies.
# Sample: ?r nmm:performer [ ?p ?v ] .
clause += "%(r)s ?p %(v)s . " % {'ont': ontology, 'r': rName, 'v': vName}
#TODO: this must be changed to fields comparison method and not only a method for width and heigh ontologies.
elif ((value == "height") and (ontology == "nfo:width")):
clause += "%(r)s %(ont)s %(v)s ; nfo:height ?height . " % {'ont': ontology, 'r': rName, 'v': vName}
value = "?" + value
elif ((value == "width") and (ontology == "nfo:height")):
clause += "%(r)s %(ont)s %(v)s ; nfo:width ?width . " % {'ont': ontology, 'r': rName, 'v': vName}
value = "?" + value
#TODO: this must be changed to fields comparison method and not only a method for width and heigh ontologies.
else:
clause += "%(r)s %(ont)s %(v)s . " % {'ont': ontology, 'r': rName, 'v': vName}
i += 1
if not firstOntology:
firstOntology = ontology
lastOntology = ontology
clause = clause.replace(fieldUsedAsResult, self.resultFieldSubqueries + " ").replace("?x%d " % i, "?v ")
if negationWithNotExists:
if not filterToUse:
strTerm = indent + self.resultFieldSubqueries + " a ?v1 . FILTER NOT EXISTS {\n" \
+ indent2 + clause + self.buildExpressionFilter(valType, "=", self.valuePreprocess(value, lastOntology), lastOntology in self.regExpOntologies) + "\n" \
+ indent + "}\n"
else:
strTerm = indent + self.resultFieldSubqueries + " a ?v1 . FILTER NOT EXISTS {\n" \
+ indent2 + clause + "\n" \
+ indent + "}\n"
else:
if not filterToUse:
strTerm = indent + clause + self.buildExpressionFilter(valType, operator, self.valuePreprocess(value, lastOntology), lastOntology in self.regExpOntologies) + "\n"
else:
strTerm = indent + clause + "\n"
return strTerm
def bsSubquery(self, term, buildMethod = "none"):
if (term[0] == "("):
indent = "%%%ds" % (self.indentationLevel*2)