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savpqgis.py
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savpqgis.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
SAVPqgis
A QGIS plugin
Este es un plugin para automatizar procesos del proyeto anillo vial periférico
Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
-------------------
begin : 2020-07-11
git sha : $Format:%H$
copyright : (C) 2020 by Luis Antony Meza
email : lmeza@mtc.gob.pe
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
"""
from PyQt5.QtCore import QCoreApplication
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QAction,QMenu,QMessageBox
from qgis.core import QgsExpressionContextUtils,Qgis,QgsVectorFileWriter,QgsProject,QgsVectorLayer,QgsRasterLayer,QgsCoordinateReferenceSystem
# Initialize Qt resources from file resources.py
from .resources import *
# Import the code for the dialog
#from .savpqgis_dialog import SAVPqgisDialog
import os.path
import requests
from urllib.request import urlopen
from urllib.error import URLError, HTTPError
from .savpqgis_login import savpqgisLogin
from .acceso import AccesoToken
class savpqgis:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
'''
Constructor
'''
self.iface = iface
self.savpqgis_menu = None
self.registry = QgsProject.instance()
def initGui(self):
self.savpqgis_menu = QMenu(QCoreApplication.translate("savpqgis", "Proyecto AVP"))
self.iface.mainWindow().menuBar().insertMenu(self.iface.firstRightStandardMenu().menuAction(), self.savpqgis_menu)
icon = QIcon(os.path.dirname(__file__) + "/icons/icon.png")
self.animate_lines_action = QAction(icon, "Iniciar Sesión", self.iface.mainWindow())
self.animate_lines_action.triggered.connect(self.login)
self.savpqgis_menu.addAction(self.animate_lines_action)
icon = QIcon(os.path.dirname(__file__) + "/icons/logout.png")
self.close_action = QAction(icon, "Cerrar Sesión", self.iface.mainWindow())
self.close_action.triggered.connect(self.logout)
self.close_action.setEnabled(False)
self.savpqgis_menu.addAction(self.close_action)
icon = QIcon(os.path.dirname(__file__) + "/icons/load.png")
self.migration_action = QAction(icon, "Cargar Capas", self.iface.mainWindow())
self.migration_action.triggered.connect(self.loadLayer)
self.migration_action.setEnabled(False)
self.savpqgis_menu.addAction(self.migration_action)
def unload(self):
self.iface.mainWindow().menuBar().removeAction(self.savpqgis_menu.menuAction())
def loadLayer(self):
self.registry.setCrs(QgsCoordinateReferenceSystem(4326))
uri = "http://200.121.128.102:8080/geoserver/avp/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=avp:vm_cofopri"
uri2 = "http://200.121.128.102:8080/geoserver/avp/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=avp:vm_comunidades_campesinas"
uri3 = "http://200.121.128.102:8080/geoserver/avp/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=avp:vm_predio_matriz"
uri4 = "http://200.121.128.102:8080/geoserver/avp/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=avp:vm_predio_rural"
uri5 = "http://200.121.128.102:8080/geoserver/avp/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=avp:vm_sitios_arqueologicos"
uri6 = "http://200.121.128.102:8080/geoserver/avp/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=avp:vm_sunarp_lima_psad56"
uri7 = "http://200.121.128.102:8080/geoserver/avp/ows?service=WFS&version=1.0.0&request=GetFeature&typeName=avp:vm_sunarp_lima_wgs84"
val = len(QgsProject.instance().mapLayersByName("Cofopri AVP"))
val2 = len(QgsProject.instance().mapLayersByName("Comunidades Campesinas AVP"))
val4 = len(QgsProject.instance().mapLayersByName("Predio Matriz AVP"))
val5 = len(QgsProject.instance().mapLayersByName("Predio Rural AVP"))
val6 = len(QgsProject.instance().mapLayersByName("Sitios Arqueologicos AVP"))
val3 = len(QgsProject.instance().mapLayersByName("Anillo Vial"))
val7 = len(QgsProject.instance().mapLayersByName("Sunarp Lima PSAD56 AVP"))
val8 = len(QgsProject.instance().mapLayersByName("Sunarp Lima WGS84 AVP"))
#verificando conexion a internet
self.internet_on(uri)
if val2 == 0 :
vlayer = QgsVectorLayer(uri2, "Comunidades Campesinas AVP", "WFS")
writer = QgsVectorFileWriter.writeAsVectorFormat(vlayer,
os.path.dirname(__file__) + '/data/comunidades_campesinas_avp.geojson',
"UTF-8",
vlayer.crs(),
"GeoJSON")
#verificando algun error
if writer[0] == QgsVectorFileWriter.NoError:
print ("success!")
self.iface.messageBar().pushMessage("Capa",'Conectando al WFS', Qgis.Info)
capa = QgsVectorLayer(os.path.dirname(__file__) + '/data/comunidades_campesinas_avp.geojson',"Comunidades Campesinas AVP","ogr")
self.registry.addMapLayer(capa)
else:
print (writer[1])
if val == 0 :
vlayer = QgsVectorLayer(uri, "Cofopri AVP", "WFS")
writer = QgsVectorFileWriter.writeAsVectorFormat(vlayer,
os.path.dirname(__file__) + "/data/cofopri_avp.geojson",
"UTF-8",
vlayer.crs(),
"GeoJSON")
#verificando algun error
if writer[0] == QgsVectorFileWriter.NoError:
print ("success!")
self.iface.messageBar().pushMessage("Capa",'Conectando al WFS', Qgis.Info)
capa = QgsVectorLayer(os.path.dirname(__file__) + "/data/cofopri_avp.geojson","Cofopri AVP","ogr")
#capa.loadSldStyle(os.path.dirname(__file__) + "/styles/style.sld")
#capa.triggerRepaint()
self.registry.addMapLayer(capa)
else:
print (writer[1])
if val4 == 0 :
vlayer = QgsVectorLayer(uri3, "Predio Matriz AVP", "WFS")
writer = QgsVectorFileWriter.writeAsVectorFormat(vlayer,
os.path.dirname(__file__) + "/data/predio_matriz_avp.geojson",
"UTF-8",
vlayer.crs(),
"GeoJSON")
#verificando algun error
if writer[0] == QgsVectorFileWriter.NoError:
print ("success!")
self.iface.messageBar().pushMessage("Capa",'Conectando al WFS', Qgis.Info)
capa = QgsVectorLayer(os.path.dirname(__file__) + "/data/predio_matriz_avp.geojson","Predio Matriz AVP","ogr")
#capa.loadSldStyle(os.path.dirname(__file__) + "/styles/style.sld")
#capa.triggerRepaint()
self.registry.addMapLayer(capa)
else:
print (writer[1])
if val5 == 0 :
vlayer = QgsVectorLayer(uri4, "Predio Rural AVP", "WFS")
writer = QgsVectorFileWriter.writeAsVectorFormat(vlayer,
os.path.dirname(__file__) + "/data/predio_rural_avp.geojson",
"UTF-8",
vlayer.crs(),
"GeoJSON")
#verificando algun error
if writer[0] == QgsVectorFileWriter.NoError:
print ("success!")
self.iface.messageBar().pushMessage("Capa",'Conectando al WFS', Qgis.Info)
capa = QgsVectorLayer(os.path.dirname(__file__) + "/data/predio_rural_avp.geojson","Predio Rural AVP","ogr")
#capa.loadSldStyle(os.path.dirname(__file__) + "/styles/style.sld")
#capa.triggerRepaint()
self.registry.addMapLayer(capa)
else:
print (writer[1])
if val6 == 0 :
vlayer = QgsVectorLayer(uri5, "Sitios Arqueologicos AVP", "WFS")
writer = QgsVectorFileWriter.writeAsVectorFormat(vlayer,
os.path.dirname(__file__) + "/data/sitios_arqueologicos_avp.geojson",
"UTF-8",
vlayer.crs(),
"GeoJSON")
#verificando algun error
if writer[0] == QgsVectorFileWriter.NoError:
print ("success!")
self.iface.messageBar().pushMessage("Capa",'Conectando al WFS', Qgis.Info)
capa = QgsVectorLayer(os.path.dirname(__file__) + "/data/sitios_arqueologicos_avp.geojson","Sitios Arqueologicos AVP","ogr")
#capa.loadSldStyle(os.path.dirname(__file__) + "/styles/style.sld")
#capa.triggerRepaint()
self.registry.addMapLayer(capa)
else:
print (writer[1])
if val7 == 0 :
vlayer = QgsVectorLayer(uri6, "Sunarp Lima PSAD56 AVP", "WFS")
writer = QgsVectorFileWriter.writeAsVectorFormat(vlayer,
os.path.dirname(__file__) + "/data/sunarp_lima_psad56_avp.geojson",
"UTF-8",
vlayer.crs(),
"GeoJSON")
#verificando algun error
if writer[0] == QgsVectorFileWriter.NoError:
print ("success!")
self.iface.messageBar().pushMessage("Capa",'Conectando al WFS', Qgis.Info)
capa = QgsVectorLayer(os.path.dirname(__file__) + "/data/sunarp_lima_psad56_avp.geojson","Sunarp Lima PSAD56 AVP","ogr")
#capa.loadSldStyle(os.path.dirname(__file__) + "/styles/style.sld")
#capa.triggerRepaint()
self.registry.addMapLayer(capa)
else:
print (writer[1])
if val8 == 0 :
vlayer = QgsVectorLayer(uri7, "Sunarp Lima WGS84 AVP", "WFS")
writer = QgsVectorFileWriter.writeAsVectorFormat(vlayer,
os.path.dirname(__file__) + "/data/sunarp_lima_wgs84_avp.geojson",
"UTF-8",
vlayer.crs(),
"GeoJSON")
#verificando algun error
if writer[0] == QgsVectorFileWriter.NoError:
print ("success!")
self.iface.messageBar().pushMessage("Capa",'Conectando al WFS', Qgis.Info)
capa = QgsVectorLayer(os.path.dirname(__file__) + "/data/sunarp_lima_wgs84_avp.geojson","Sunarp Lima WGS84 AVP","ogr")
#capa.loadSldStyle(os.path.dirname(__file__) + "/styles/style.sld")
#capa.triggerRepaint()
self.registry.addMapLayer(capa)
else:
print (writer[1])
if val3 == 0 :
urlWithParams = "crs=EPSG:4326&dpiMode=7&format=image/png&layers=anillovial&styles&url=http://200.121.128.102:8080/geoserver/ddp/wms"
vlayer = QgsRasterLayer(urlWithParams, 'Anillo Vial', 'wms')
self.registry.addMapLayer(vlayer)
if vlayer.isValid():
self.iface.messageBar().pushMessage("Capa",'Conectando al WMS', Qgis.Info)
QMessageBox.information(self.iface.mainWindow(), "Mensaje", 'Su descarga fue satisfactorio')
else:
self.iface.messageBar().pushMessage("Error", vlayer.error().message(), level=Qgis.Critical)
#dialog = srvqgisDialog(self.iface)
#dialog.exec_()
def login(self):
dialog2 = savpqgisLogin(self.savpqgis_menu,self.iface)
dialog2.exec_()
def logout(self):
self.animate_lines_action.setEnabled(True)
self.migration_action.setEnabled(False)
self.close_action.setEnabled(False)
AccesoToken.acces_key=''
QgsExpressionContextUtils.removeGlobalVariable('user_mtc')
def internet_on(self, url):
try:
urlopen(url, timeout = 5)
except HTTPError:
# do something
self.iface.messageBar().pushMessage("Error", "La URL no existe", level=Qgis.Critical)
return
except URLError:
self.iface.messageBar().pushMessage("Error", "Esta desconectado a internet", level=Qgis.Critical)
return
else:
# do something
print('good!')