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kwg_plugin_enrichment_dialog.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
kwg_pluginEnrichmentDialog
A QGIS plugin
KWG plugin Enrichment
Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
-------------------
begin : 2021-06-04
git sha : $Format:%H$
copyright : (C) 2021 by Rushiraj Nenuji, University of California Santa Barbara
email : [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. *
* *
***************************************************************************/
"""
import json
import logging
import os
from qgis.PyQt import QtWidgets
from qgis.PyQt import uic
# This loads your .ui file so that PyQt can populate your plugin with the elements from Qt Designer
from PyQt5 import QtCore
from PyQt5.QtCore import QVariant, QRunnable, pyqtSlot, QThreadPool
from PyQt5.QtGui import QIcon, QMovie
from PyQt5.QtWidgets import QComboBox, QHeaderView, QMessageBox, QCheckBox
from qgis._core import QgsMessageLog, Qgis, QgsFields, QgsField, QgsVectorLayer, QgsFeature, QgsGeometry, \
QgsVectorFileWriter, QgsProject
from .kwg_sparqlquery import kwg_sparqlquery
from .kwg_sparqlutil import kwg_sparqlutil
from .kwg_util import kwg_util as UTIL
FORM_CLASS, _ = uic.loadUiType(os.path.join(
os.path.dirname(__file__), 'kwg_plugin_enrichment_dialog_base.ui'))
class kwg_pluginEnrichmentDialog(QtWidgets.QDialog, FORM_CLASS):
def __init__(self, parent=None, s2Cells=[], entityLi=[], spoDict={}, params={}):
"""Constructor."""
super(kwg_pluginEnrichmentDialog, self).__init__(parent)
# Set up the user interface from Designer through FORM_CLASS.
# After self.setupUi() you can access any designer object by doing
# self.<objectname>, and you can use autoconnect slots - see
# http://qt-project.org/doc/qt-4.8/designer-using-a-ui-file.html
# #widgets-and-dialogs-with-auto-connect
self.setupUi(self)
# logging
self.logger = logging.getLogger()
self.labelPropDict = dict()
self.labelPropDict["LITERAL"] = "LITERAL"
self.path = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__file__)))
if not os.path.exists(os.path.join(self.path, 'logs')):
os.makedirs(os.path.join(self.path, 'logs'))
handler = logging.FileHandler(os.path.join(self.path, 'logs', 'kwg_geoenrichment.log'), 'w+', 'utf-8')
formatter = logging.Formatter(
'%(asctime)s - %(levelname)s - %(filename)s:%(funcName)s - %(message)s')
handler.setFormatter(formatter) # Pass handler as a parameter, not assign
self.logger.addHandler(handler)
self.params = {}
self.spoDict = spoDict
self.s2Cells = s2Cells
self.EntityLi = entityLi
self.params=params
if bool(params):
self.ifaceObj = self.params["ifaceObj"]
self.threadpool = QThreadPool()
self.degreeCount = 0
self.setUpTable()
self.pushButton_learnMore.clicked.connect(self.addLearnMore)
# displaying help
self.displayingHelp = False
self.setFixedWidth(620)
self.plainTextEdit.setHidden(True)
self.plainTextEdit.setReadOnly(True)
self.toolButton.setIcon(QIcon(":/plugins/kwg_geoenrichment/resources/help-circle.png"))
self.toolButton.setStyleSheet("background-color: transparent; color: #ffffff; border: none;")
self.toolButton.setIconSize(QtCore.QSize(32, 32))
self.movie = QMovie(":/plugins/kwg_geoenrichment/resources/loading.gif")
self.loadingLabel.setMovie(self.movie)
self.movie.start()
self.loadingLabel.setScaledContents(True)
self.loadingLabel.resize(27, 27)
self.chosenVal = {}
self.chosenVal["s"] = {}
self.chosenVal["p"] = {}
self.chosenVal["o"] = {}
self.entitiesRetrieved = QCheckBox()
self.entitiesRetrieved.setChecked(False)
self.entitiesRetrieved.stateChanged.connect(lambda: self.populateFirstDegreeSubject())
self.retrievingQuery = QCheckBox()
self.retrievingQuery.setChecked(False)
self.retrievingQuery.stateChanged.connect(lambda: self.queryStateHandler())
self.toolButton.clicked.connect(self.displayHelp)
self.sparql_query = kwg_sparqlquery()
self.sparql_util = kwg_sparqlutil()
if bool(self.spoDict):
self.populateFirstDegreeSubject(spo=self.spoDict)
stylesheet = os.path.join(self.path, 'style.qss')
fo = open(stylesheet, "r")
self.setStyleSheet(fo.read())
fo.close()
def setParams(self, params):
self.params.update(params)
self.ifaceObj = self.params["ifaceObj"]
def queryStateHandler(self):
worker = Worker(self.retrievingQuery, self.fetchingLabel, self.loadingLabel)
self.threadpool.start(worker)
def setUpTable(self):
self.tableWidget.setColumnCount(3)
self.tableWidget.verticalHeader().setVisible(False)
self.tableWidget.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
self.tableWidget.horizontalHeader().hide()
self.addLearnMore()
def addLearnMore(self):
# populate N degree subject based on the object property above
if self.degreeCount > 0:
finalObject = self.tableWidget.cellWidget(self.degreeCount - 1, 2).currentText()
if finalObject is not None and finalObject != "--- SELECT ---" and finalObject != "LITERAL":
self.tableWidget.insertRow(self.degreeCount)
comboBox_S = QComboBox()
comboBox_P = QComboBox()
comboBox_O = QComboBox()
self.tableWidget.setCellWidget(self.degreeCount, 0, comboBox_S)
self.tableWidget.setCellWidget(self.degreeCount, 1, comboBox_P)
self.tableWidget.setCellWidget(self.degreeCount, 2, comboBox_O)
comboBox_S.show()
comboBox_P.show()
comboBox_O.show()
self.tableWidget.cellWidget(self.degreeCount, 0).clear()
self.tableWidget.cellWidget(self.degreeCount, 0).addItem("--- SELECT ---")
self.spoDict[self.degreeCount] = {}
self.spoDict[self.degreeCount]["s"] = {}
for key in self.spoDict[self.degreeCount - 1]["o"]:
self.tableWidget.cellWidget(self.degreeCount, 0).addItem(self.updateLabelPropDict(self.sparql_util.make_prefixed_iri(key)))
self.spoDict[self.degreeCount]["s"][key] = self.spoDict[self.degreeCount - 1]["o"][key]
index = self.tableWidget.cellWidget(self.degreeCount - 1, 2).findText(finalObject, QtCore.Qt.MatchFixedString)
if index >= 0:
self.tableWidget.cellWidget(self.degreeCount, 0).setCurrentIndex(index)
self.populateNDegreePredicate()
self.degreeCount += 1
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText("Can't add more content...")
msg.setInformativeText("'LITERAL' data encountered!")
msg.setWindowTitle("Learn More Warning!")
msg.exec_()
else:
self.tableWidget.insertRow(self.degreeCount)
comboBox_S = QComboBox()
comboBox_P = QComboBox()
comboBox_O = QComboBox()
self.tableWidget.setCellWidget(self.degreeCount, 0, comboBox_S)
self.tableWidget.setCellWidget(self.degreeCount, 1, comboBox_P)
self.tableWidget.setCellWidget(self.degreeCount, 2, comboBox_O)
comboBox_S.show()
comboBox_P.show()
comboBox_O.show()
self.tableWidget.cellWidget(self.degreeCount, 0).clear()
self.degreeCount += 1
def execute(self):
# manage first degree
self.results = {}
self.retrievingQuery.setChecked(True)
try:
self.tableWidget.cellWidget(0, 0).currentIndexChanged.disconnect()
except TypeError:
pass
self.tableWidget.cellWidget(0, 0).clear()
entityBindingObject = []
for wkt in self.params["wkt_literal"]:
entityBindingObject.extend(self.sparql_query.getEntityValuesFromGeometry(sparql_endpoint=self.params["end_point"],
wkt_literal=wkt))
for obj in entityBindingObject:
try:
self.EntityLi.append(obj["entity"]["value"])
except Exception as e:
continue
self.entitiesRetrieved.setChecked(True)
self.retrievingQuery.setChecked(False)
# self.populateFirstDegreeSubject()
return
def get_results(self):
return self.results
def get_s2Cells(self):
return self.s2Cells
def get_entityLi(self):
return self.EntityLi
def get_spoDict(self):
spo = {}
spo[0] = {}
spo[0]["s"] = self.spoDict[0]["s"]
return spo
def populateFirstDegreeSubject(self, spo={}):
# self.entitiesRetrieved.stateChanged.disconnect()
try:
self.tableWidget.cellWidget(0, 0).currentIndexChanged.disconnect()
except TypeError:
pass
self.retrievingQuery.setChecked(True)
self.tableWidget.cellWidget(0, 0).clear()
self.tableWidget.cellWidget(0, 0).addItem("--- SELECT ---")
if not bool(spo):
classObject = self.sparql_query.getFirstDegreeClass(sparql_endpoint=self.params["end_point"],
entityList=self.EntityLi)
# populate the spoDict
self.spoDict[0] = {}
self.spoDict[0]["s"] = {}
for obj in classObject:
self.spoDict[0]["s"][obj["type"]["value"]] = self.sparql_util.make_prefixed_iri(obj["label"]["value"])
else:
self.spoDict[0] = spo[0]
for key in self.spoDict[0]["s"]:
self.tableWidget.cellWidget(0, 0).addItem(self.updateLabelPropDict(self.sparql_util.make_prefixed_iri(key)))
self.retrievingQuery.setChecked(False)
self.tableWidget.cellWidget(0, 0).currentIndexChanged.connect(lambda: self.populateFirstDegreePredicate())
def handleError(self, errCode = ""):
QgsMessageLog.logMessage("error occured " + errCode, "kwg_geoernichment", Qgis.Info)
def populateFirstDegreePredicate(self):
self.tableWidget.cellWidget(0, 1).clear()
self.tableWidget.cellWidget(0, 1).addItem("--- SELECT ---")
self.retrievingQuery.setChecked(True)
self.sub0 = self.labelPropDict[self.tableWidget.cellWidget(0, 0).currentText()]
self.chosenVal["s"][0] = self.sub0
predicateObject = self.sparql_query.getFirstDegreePredicate(sparql_endpoint=self.params["end_point"],
entityList=self.EntityLi,
firstDegreeClass=self.sub0)
# populate the spoDict
self.spoDict[0]["p"] = {}
for obj in predicateObject:
if "label" in obj:
self.spoDict[0]["p"][obj["p"]["value"]] = self.sparql_util.make_prefixed_iri(obj["label"]["value"])
else:
self.spoDict[0]["p"][obj["p"]["value"]] = ""
for key in self.spoDict[0]["p"]:
self.tableWidget.cellWidget(0, 1).addItem(self.updateLabelPropDict(self.sparql_util.make_prefixed_iri(key)))
self.retrievingQuery.setChecked(False)
self.tableWidget.cellWidget(0, 1).currentIndexChanged.connect(self.populateFirstDegreeObject)
return
def populateFirstDegreeObject(self):
self.pred0 = self.labelPropDict[self.tableWidget.cellWidget(0, 1).currentText()]
self.chosenVal["p"][0] = self.pred0
self.tableWidget.cellWidget(0, 2).clear()
self.tableWidget.cellWidget(0, 2).addItem("--- SELECT ---")
self.retrievingQuery.setChecked(True)
firstDegreeObject = self.sparql_query.getFirstDegreeObject(sparql_endpoint=self.params["end_point"],
entityList=self.EntityLi,
firstDegreeClass=self.sub0,
firstDegreePredicate=self.pred0)
self.logger.info("firstDegreeObject : ")
self.logger.info(json.dumps(firstDegreeObject))
# populate the spoDict
self.spoDict[0]["o"] = {}
for obj in firstDegreeObject:
if "label" in obj:
self.spoDict[0]["o"][obj["type"]["value"]] = self.sparql_util.make_prefixed_iri(obj["label"]["value"])
else:
self.spoDict[0]["o"][obj["type"]["value"]] = ""
for key in self.spoDict[0]["o"]:
self.tableWidget.cellWidget(0, 2).addItem(self.updateLabelPropDict(self.sparql_util.make_prefixed_iri(key)))
self.retrievingQuery.setChecked(False)
if not self.spoDict[0]["o"]:
self.tableWidget.cellWidget(0, 2).addItem("LITERAL")
def populateNDegreePredicate(self):
i = self.degreeCount
self.tableWidget.cellWidget(i, 1).clear()
self.tableWidget.cellWidget(i, 1).addItem("--- SELECT ---")
selectedVal = []
for it in range(i+1):
selectedVal.append(self.labelPropDict[self.tableWidget.cellWidget(it, 0).currentText()])
if it < i:
selectedVal.append(self.labelPropDict[self.tableWidget.cellWidget(it, 1).currentText()])
# secondPropertyURLList.extend(self.getSecondDegreeProperty())
secondPredObj = self.sparql_query.getNDegreePredicate(sparql_endpoint=self.params["end_point"],
entityList=self.EntityLi,
selectedVals=selectedVal,
degree=i + 1)
# populate the spoDict
self.spoDict[i]["p"] = {}
for obj in secondPredObj:
if "label" in obj:
self.spoDict[i]["p"][obj["p"]["value"]] = self.sparql_util.make_prefixed_iri(obj["label"]["value"])
else:
self.spoDict[i]["p"][obj["p"]["value"]] = ""
for key in self.spoDict[i]["p"]:
self.tableWidget.cellWidget(i, 1).addItem(self.updateLabelPropDict(self.sparql_util.make_prefixed_iri(key)))
self.tableWidget.cellWidget(i, 1).currentIndexChanged.connect(self.populateNDegreeObject)
return
def populateNDegreeObject(self):
i = self.degreeCount
self.tableWidget.cellWidget(i - 1, 2).clear()
self.tableWidget.cellWidget(i - 1, 2).addItem("--- SELECT ---")
selectedVal = []
for it in range(i):
selectedVal.append(self.labelPropDict[self.tableWidget.cellWidget(it, 0).currentText()])
selectedVal.append(self.labelPropDict[self.tableWidget.cellWidget(it, 1).currentText()])
# secondPropertyURLList.extend(self.getSecondDegreeProperty())
secondPropObj = self.sparql_query.getNDegreeObject(sparql_endpoint=self.params["end_point"],
entityList=self.EntityLi,
selectedVals=selectedVal,
degree=i)
# populate the spoDict
self.spoDict[i - 1]["o"] = {}
for obj in secondPropObj:
if "label" in obj:
self.spoDict[i - 1]["o"][obj["type"]["value"]] = self.sparql_util.make_prefixed_iri(obj["label"]["value"])
else:
self.spoDict[i - 1]["o"][obj["type"]["value"]] = ""
for key in self.spoDict[i - 1]["o"]:
self.tableWidget.cellWidget(i - 1, 2).addItem(self.updateLabelPropDict(self.sparql_util.make_prefixed_iri(key)))
if not self.spoDict[i - 1]["o"]:
self.tableWidget.cellWidget(i - 1, 2).addItem("LITERAL")
def getDegree(self):
return self.degreeCount
def getResults(self):
i = self.degreeCount
selectedVal = []
for it in range(i):
subject = self.labelPropDict[self.tableWidget.cellWidget(it, 0).currentText()]
predicate = self.labelPropDict[self.tableWidget.cellWidget(it, 1).currentText()]
if subject is not None and subject != "--- SELECT ---" and subject != "LITERAL":
selectedVal.append(subject)
if predicate is not None and predicate != "--- SELECT ---" and predicate != "LITERAL":
selectedVal.append(predicate)
finalObject = self.labelPropDict[self.tableWidget.cellWidget(i-1, 2).currentText()]
if finalObject is not None and finalObject != "--- SELECT ---" and finalObject != "LITERAL":
selectedVal.append(finalObject)
self.logger.debug("selectedVal + " + str(selectedVal))
finalResultsObj = self.sparql_query.getNDegreeResults(sparql_endpoint=self.params["end_point"],
entityList=self.EntityLi,
selectedVals=selectedVal,
degree=i)
self.logger.debug(str(len(finalResultsObj)))
return finalResultsObj
def displayHelp(self):
if self.displayingHelp:
self.displayingHelp = False
self.plainTextEdit.setHidden(True)
self.setFixedWidth(620)
else:
self.displayingHelp = True
self.plainTextEdit.setVisible(True)
self.setFixedWidth(900)
def updateLabelPropDict(self, label):
newLabel = ""
if ":" in label:
newLabel = (label.split(":")[1]).strip()
else:
newLabel = label
self.labelPropDict[newLabel] = label
return newLabel
class Worker(QRunnable, ):
def __init__(self, retrievingQuery, fetchingLabel, loadingLabel):
super(Worker, self).__init__()
self.retrievingQuery = retrievingQuery
self.loadingLabel = loadingLabel
self.fetchingLabel = fetchingLabel
@pyqtSlot()
def run(self):
'''
Runnable code for executing S2 cells query
'''
if (self.retrievingQuery.isChecked()):
# QgsMessageLog.logMessage("fetching...", "kwg_geoenrichment", Qgis.Info)
self.fetchingLabel.show()
self.loadingLabel.show()
else:
# QgsMessageLog.logMessage("done!", "kwg_geoenrichment", Qgis.Info)
self.fetchingLabel.hide()
self.loadingLabel.hide()