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flickr2qgis.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
flickr2qgis
A QGIS plugin
import photos as shapefile from flickr
-------------------
begin : 2016-02-19
git sha : $Format:%H$
copyright : (C) 2016 by Riccardo Klinger / Geolicious
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. *
* *
***************************************************************************/
"""
#from PyQt4.QtCore import QSettings, QTranslator, qVersion, QCoreApplication
#from PyQt4.QtGui import QAction, QIcon
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from qgis.core import *
from qgis.gui import *
# Initialize Qt resources from file resources.py
import resources
# Import the code for the dialog
from flickr2qgis_dialog import flickr2qgisDialog
import flickrapi
from qgis.gui import * #for the click event tool
from xml.etree import ElementTree
import urllib2, os, qgis.utils, os.path, tempfile, urllib, requests, base64
from datetime import datetime, timedelta
class flickr2qgis:
"""QGIS Plugin Implementation."""
def __init__(self, iface):
"""Constructor.
:param iface: An interface instance that will be passed to this class
which provides the hook by which you can manipulate the QGIS
application at run time.
:type iface: QgsInterface
"""
# Save reference to the QGIS interface
self.iface = iface
self.canvas = self.iface.mapCanvas() #CHANGE
# this QGIS tool emits as QgsPoint after each click on the map canvas
self.clickTool = QgsMapToolEmitPoint(self.canvas)
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value('locale/userLocale')[0:2]
locale_path = os.path.join(
self.plugin_dir,
'i18n',
'flickr2qgis_{}.qm'.format(locale))
if os.path.exists(locale_path):
self.translator = QTranslator()
self.translator.load(locale_path)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Create the dialog (after translation) and keep reference
self.dlg = flickr2qgisDialog()
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&flickr2qgis')
# TODO: We are going to let the user set this up in a future iteration
self.toolbar = self.iface.addToolBar(u'flickr2qgis')
self.toolbar.setObjectName(u'flickr2qgis')
self.dlg.units.clear()
self.dlg.units.addItem("km")
self.dlg.units.addItem("miles")
self.dlg.download.clear()
self.dlg.download.addItem("download thumbs to tmp")
self.dlg.download.addItem("download thumbs to folder")
self.dlg.enddate.setDate(QDate.currentDate())
today=QDate.currentDate()
self.dlg.startdate.setDate(today.addDays(-14))
self.dlg.lineEdit.clear()
self.dlg.pushButton.clicked.connect(self.select_output_file)
self.dlg.address.clear()
self.dlg.geocode.clicked.connect(self.geocodeAddress)
#self.dlg.getlatlon.clicked.connect(self.clickTool)
#result = QObject.connect(self.clickTool, SIGNAL("canvasClicked(const QgsPoint &, Qt::MouseButton)"), self.handleMouseDown)
self.settings = QSettings("api", "sec")
self.dlg.secret_key.setText(self.settings.value("sec"))
self.dlg.api_key.setText(self.settings.value("api"))
# noinspection PyMethodMayBeStatic
def tr(self, message):
"""Get the translation for a string using Qt translation API.
We implement this ourselves since we do not inherit QObject.
:param message: String for translation.
:type message: str, QString
:returns: Translated version of message.
:rtype: QString
"""
# noinspection PyTypeChecker,PyArgumentList,PyCallByClass
return QCoreApplication.translate('flickr2qgis', message)
def add_action(
self,
icon_path,
text,
callback,
enabled_flag=True,
add_to_menu=True,
add_to_toolbar=True,
status_tip=None,
whats_this=None,
parent=None):
"""Add a toolbar icon to the toolbar.
:param icon_path: Path to the icon for this action. Can be a resource
path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
:type icon_path: str
:param text: Text that should be shown in menu items for this action.
:type text: str
:param callback: Function to be called when the action is triggered.
:type callback: function
:param enabled_flag: A flag indicating if the action should be enabled
by default. Defaults to True.
:type enabled_flag: bool
:param add_to_menu: Flag indicating whether the action should also
be added to the menu. Defaults to True.
:type add_to_menu: bool
:param add_to_toolbar: Flag indicating whether the action should also
be added to the toolbar. Defaults to True.
:type add_to_toolbar: bool
:param status_tip: Optional text to show in a popup when mouse pointer
hovers over the action.
:type status_tip: str
:param parent: Parent widget for the new action. Defaults None.
:type parent: QWidget
:param whats_this: Optional text to show in the status bar when the
mouse pointer hovers over the action.
:returns: The action that was created. Note that the action is also
added to self.actions list.
:rtype: QAction
"""
icon = QIcon(icon_path)
action = QAction(icon, text, parent)
action.triggered.connect(callback)
action.setEnabled(enabled_flag)
if status_tip is not None:
action.setStatusTip(status_tip)
if whats_this is not None:
action.setWhatsThis(whats_this)
if add_to_toolbar:
self.toolbar.addAction(action)
if add_to_menu:
self.iface.addPluginToMenu(
self.menu,
action)
self.actions.append(action)
return action
def initGui(self):
"""Create the menu entries and toolbar icons inside the QGIS GUI."""
icon_path = ':/plugins/flickr2qgis/icon.png'
self.add_action(
icon_path,
text=self.tr(u'load photos from flickr'),
callback=self.run,
parent=self.iface.mainWindow())
result = QObject.connect(self.clickTool, SIGNAL("canvasClicked(const QgsPoint &, Qt::MouseButton)"), self.handleMouseDown)
def handleMouseDown(self, point, button):
test=self.dlg.address.text()
crsSrc = qgis.utils.iface.mapCanvas().mapSettings().destinationCrs()
crsDest = QgsCoordinateReferenceSystem(4326)
xform = QgsCoordinateTransform(crsSrc, crsDest)
pointwgs84 = xform.transform(point)
self.dlg.lat.setValue(pointwgs84.y())
self.dlg.lon.setValue(pointwgs84.x())
#self.dlg.setTextBrowser( str(point.x()) + " , " +str(point.y()) )
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginMenu(
self.tr(u'&flickr2qgis'),
action)
self.iface.removeToolBarIcon(action)
# remove the toolbar
del self.toolbar
def select_output_file(self):
filename = QFileDialog.getSaveFileName(self.dlg, "Select output file ","", '*.shp')
self.dlg.lineEdit.setText(filename)
def geocodeAddress(self):
address = self.dlg.address.text().encode('utf-8')
url = "http://openls.geog.uni-heidelberg.de/testing2015/geocoding?apikey=e2017639f5e987e6dc1f5f69a66d049c"
text='<?xml version="1.0" encoding="UTF-8"?><xls:XLS xmlns:xls="http://www.opengis.net/xls" xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:gml="http://www.opengis.net/gml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.opengis.net/xls http://schemas.opengis.net/ols/1.1.0/LocationUtilityService.xsd" version="1.1"><xls:RequestHeader/><xls:Request methodName="GeocodeRequest" requestID="123456789" version="1.1"><xls:GeocodeRequest><xls:Address countryCode="DE"><xls:freeFormAddress>' + address + '</xls:freeFormAddress></xls:Address></xls:GeocodeRequest></xls:Request></xls:XLS>'
req = urllib2.Request(url=url,
data=text,
headers={'Content-Type': 'application/xml'})
response_start=urllib2.urlopen(req).read()
#tidy up response
newstr = response_start.replace("\n", "")
response_start = newstr.replace(" ", "")
#print response_start
xml = ElementTree.fromstring(response_start)
start_point =""
for child in xml[1][0]:
numberOfHits_start = child.attrib["numberOfGeocodedAddresses"]
if numberOfHits_start != "0":
start_point=xml[1][0][0][0][0][0].text
self.dlg.lon.setValue(float(start_point.split(" ")[0]))
self.dlg.lat.setValue(float(start_point.split(" ")[1]))
if start_point =="":
QtGui.QMessageBox.about(self.dlg, "No Coordinates Found", "Check your start address!")
#def handleMouseDown(self, point, button):
# QMessageBox.information( self.iface.mainWindow(),"Info", "X,Y = %s,%s" % (str(point.x()),str(point.y())) )#
# print str(point.x()), str(point.y())
# self.dlg.lat.setValue()
def run(self):
"""Run method that performs all the real work"""
# show the dialog
self.dlg.show()
self.canvas.setMapTool(self.clickTool)
# Run the dialog event loop
result = self.dlg.exec_()
# See if OK was pressed
if result:
# Do something useful here - delete the line containing pass and
# a with your code.
#print self.dlg.lat.value()
#print self.dlg.lon.value()
api = self.dlg.api_key.text().encode('utf-8')
sec = self.dlg.secret_key.text().encode('utf-8')
self.settings.setValue("api", api)
self.settings.setValue("sec", sec)
maxnum =self.dlg.maxnum.value()
startdate = self.dlg.startdate.dateTime()
enddate = self.dlg.enddate.dateTime()
keywords = self.dlg.keywords.text()
address = self.dlg.address.text()
lat = self.dlg.lat.value()
lon = self.dlg.lon.value()
radius = self.dlg.radius.value()
radius_units = self.dlg.units.currentText()
flickr = flickrapi.FlickrAPI(api, sec, format='parsed-json')
if self.dlg.disablegeo.checkState()==2:
json = flickr.photos.search(per_page=maxnum, max_upload_date=enddate, min_upload_date=startdate, text=keywords, has_geo=1)
if self.dlg.disablegeo.checkState()==0:
json = flickr.photos.search(lon=lon, lat=lat, radius=radius, has_geo=1, radius_units=radius_units, per_page=maxnum, max_upload_date=enddate, min_upload_date=startdate, text=keywords)
#print json
#print startdate
#print enddate
#print(len(json['photos']['photo']))
if len(json['photos']['photo'])>0:
#as we have all photos, let's add some data to each of it.
print json['photos']['photo'][0]
layer = QgsVectorLayer('Point?crs=EPSG:4326', 'Flickr', "memory")
pr = layer.dataProvider()
pr.addAttributes([QgsField("thumbnail", QVariant.String)])
pr.addAttributes([QgsField("photoid", QVariant.String)])
pr.addAttributes([QgsField("title", QVariant.String)])
pr.addAttributes([QgsField("owner", QVariant.String)])
pr.addAttributes([QgsField("link", QVariant.String)])
pr.addAttributes([QgsField("desc", QVariant.String)])
pr.addAttributes([QgsField("lat", QVariant.Double)])
pr.addAttributes([QgsField("lon", QVariant.Double)])
pr.addAttributes([QgsField("country", QVariant.String)])
pr.addAttributes([QgsField("county", QVariant.String)])
pr.addAttributes([QgsField("region", QVariant.String)])
pr.addAttributes([QgsField("locality", QVariant.String)])
pr.addAttributes([QgsField("posted", QVariant.String)])
pr.addAttributes([QgsField("taken", QVariant.String)])
layer.updateFields()
categories = []
renderer = QgsCategorizedSymbolRendererV2("photoid", categories)
layer.setRendererV2(renderer)
QgsMapLayerRegistry.instance().addMapLayer(layer)
#sym.setColor(QColor(value))
for photo in json['photos']['photo']:
fet = QgsFeature()
#now read additional information:
details = flickr.photos.getInfo(photo_id=photo['id'])
thumb = 'https://farm' + str(photo['farm']) + '.staticflickr.com/' + str(photo['server']) + '/' + str(photo['id'])+ '_' + str(photo['secret'])+ '_t.jpg'
photoid = str(photo['id'])
try: taken = details['photo']['dates']['taken']
except: taken =""
try: posted = details['photo']['dates']['posted']
except: posted = ""
try: desc = details['photo']['description']['_content']
except: desc =""
try: latitude = details['photo']['location']['latitude']
except: latitude = ""
try: longitude = details['photo']['location']['longitude']
except: longitude =""
try: country = details['photo']['location']['country']['_content']
except: country =""
try: county = details['photo']['location']['county']['_content']
except: county = ""
try: region = details['photo']['location']['region']['_content']
except: region = ""
try: locality = details['photo']['location']['locality']['_content']
except: locality = ""
try: owner = details['photo']['owner']['username']
except: owner = ""
try: title = details['photo']['title']['_content']
except: title = ""
try: link = 'https://farm' + str(photo['farm']) + '.staticflickr.com/' + str(photo['server']) + '/' + str(photo['id'])+ '_' + str(photo['secret'])+ '_b.jpg'
except: link = ""
#print([thumb, title, owner, link, desc, latitude, longitude, country, county, region, locality, posted, taken])
fet.setGeometry(QgsGeometry.fromPoint(QgsPoint(float(details['photo']['location']['longitude']),float(details['photo']['location']['latitude']))))
geom = fet.geometry()
fet.setAttributes([thumb,photoid, title, owner, link, desc, latitude, longitude, country, county, region, locality, posted, taken])
pr.addFeatures([fet])
#sym = QgsSymbolV2.defaultSymbol(layer.geometryType())
#sym = QgsSymbolV2(QGis.Point)
#sym.setNamedPointSymbol("svg:/tmp/25059331595_t.jpg.svg")
#sym.setPointSize(30)
#symbollist = layer.rendererV2().symbols()
#symbol = symbollist[0]
#symbol.appendSymbolLayer(sl)
#self.canvas.refresh()
#äsym.changeSymbolLayer(0,QgsSvgMarkerSymbolLayerV2(size=30).setPath("/tmp/25059331595_t.jpg.svg"))
#sym.appendSymbolLayer(QgsSvgMarkerSymbolLayerV2(size=30).setPath("/tmp/25059331595_t.jpg.svg"))
#sym.deleteSymbolLayer(0)
if self.dlg.download.currentText()=="download thumbs to tmp":
svg = """
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg>
<g>
<image xlink:href="data:image/jpeg;base64,{0}" height="256" width="320" />
</g>
</svg>
"""
data2 = requests.get(thumb, stream=True).content
nameim = str(photo['id'])+'_t.jpg'
b64response = base64.b64encode(data2)
newsvg = svg.format(b64response).replace('\n','')
path = tempfile.gettempdir() + os.sep + photo['id'] + '_t.jpg.svg'
with open(path, 'w') as f:
f.write(newsvg)
svgStyle = {}
svgStyle['fill'] = '#0000ff'
svgStyle['name'] = tempfile.gettempdir() + os.sep + photo['id'] + '_t.jpg.svg'
svgStyle['outline'] = '#000000'
svgStyle['size'] = '30'
symLyr1 = QgsSvgMarkerSymbolLayerV2.create(svgStyle)
sym = QgsSymbolV2.defaultSymbol(layer.geometryType())
sym.changeSymbolLayer(0, symLyr1)
category = QgsRendererCategoryV2(str(photo['id']), sym, str(photo['id']))
categories.append(category)
renderer = QgsCategorizedSymbolRendererV2("photoid", categories)
layer.setRendererV2(renderer)
layer.updateExtents()
layer.triggerRepaint()
QgsVectorFileWriter.writeAsVectorFormat(layer, tempfile.gettempdir() + os.sep + "flickr_res.shp", "CP1250", None, "ESRI Shapefile")