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geotweet.py
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geotweet.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
geotweet
A QGIS plugin
collects tweets by area or keywords
-------------------
begin : 2015-05-11
git sha : $Format:%H$
copyright : (C) 2015 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, QVariant
from PyQt4.QtGui import QAction, QIcon
from PyQt4 import QtGui
#from PyQt4.QtCore import QVariant
# Initialize Qt resources from file resources.py
import resources_rc
# Import the code for the dialog
from geotweet_dialog import geotweetDialog
from geotweet_exec import geotweet_exec
import os.path
from qgis.core import *
import qgis.utils
import urllib
import tempfile
import sys, re
from subprocess import call
import datetime
import time
from PyQt4.QtGui import QProgressBar
from PyQt4.QtCore import *
#datetime.datetime.utcfromtimestamp()
class geotweet:
"""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
# 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',
'geotweet_{}.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 = geotweetDialog()
# Declare instance attributes
self.actions = []
self.menu = self.tr(u'&twitter2qgis')
# TODO: We are going to let the user set this up in a future iteration
self.toolbar = self.iface.addToolBar(u'geotweet')
self.toolbar.setObjectName(u'geotweet')
# 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('geotweet', 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 toiconolbar.
: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.addPluginToWebMenu(
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/geotweet/icon.png'
self.add_action(
icon_path,
text=self.tr(u'collects tweets'),
callback=self.run,
parent=self.iface.mainWindow())
def unload(self):
"""Removes the plugin menu item and icon from QGIS GUI."""
for action in self.actions:
self.iface.removePluginWebMenu(
self.tr(u'&twitter2qgis'),
action)
self.iface.removeToolBarIcon(action)
# remove the toolbar
del self.toolbar
def run(self):
"""Run method that performs all the real work"""
# show the dialog
# read the current project
self.dlg.show
canvas = qgis.utils.iface.mapCanvas()
allLayers = canvas.layers()
#clear layer list prior calling the dialog
self.dlg.layer_extent.clear()
self.dlg.output_file.clear()
#adding current layers to the dlg
index = 1
self.dlg.layer_extent.addItem('None - use keywords!')
self.dlg.layer_extent.setItemData(0,'None_id')
self.dlg.layer_extent.setItemText(0,'None - use keywords!')
for i in allLayers:
if i.type() == 0 or i.type() == 1:
self.dlg.layer_extent.addItem(i.name())
self.dlg.layer_extent.setItemData(index,i.id())
self.dlg.layer_extent.setItemText(index,i.name())
index = index +1
self.dlg.precision.clear()
self.dlg.precision.addItem('use user location (slow, accurate)')
self.dlg.precision.addItem('use place location (fast, inaccurate)')
self.dlg.output_file.addItem('no file of tweets needed')
self.dlg.output_file.addItem('file of raw tweets needed')
# 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
# substitute with your code.
#get nr of tweets
keywords = self.dlg.keywords.text().split()
precision = self.dlg.precision.currentText()
fileneeded = self.dlg.output_file.currentText()
m = self.dlg.nr_tweets.value()
print str(m) + " : # of tweets"
layerid = self.dlg.layer_extent.itemData(self.dlg.layer_extent.currentIndex())
#layer = self.dlg.layer_extent.currentText()[1]
print "using extent of layer " + str(layerid) + " as bounding box"
try:
import tweepy
print "module tweepy found"
#QtGui.QMessageBox.about(self, "tweepy found", "Your tweepy installation was found. cool!")
except ImportError:
raise Exception("Tweepy module not installed correctly")
#paste keys for tweepy if you like:
if self.dlg.consumer_key.text() == '' or self.dlg.consumer_key_secret.text() == '' or self.dlg.access_token.text()=='' or self.dlg.access_token_secret.text()=='':
access_token = "x"
access_token_secret = "x"
consumer_key = "x"
consumer_secret = "x"
key = tweepy.OAuthHandler(consumer_key, consumer_secret)
key.set_access_token(access_token, access_token_secret)
print "used predefined key"
progressMessageBar2 = qgis.utils.iface.messageBar().createMessage("No Twitter API keys provided in the gui! Taken from geotweet.py file / source!")
qgis.utils.iface.messageBar().pushWidget(progressMessageBar2, qgis.utils.iface.messageBar().WARNING)
else:
key = tweepy.OAuthHandler(self.dlg.consumer_key.text(), self.dlg.consumer_key_secret.text())
key.set_access_token(self.dlg.access_token.text(), self.dlg.access_token_secret.text())
n = 0
progressMessageBar = qgis.utils.iface.messageBar().createMessage("collecting tweets" + str(n) +"from " + str(m))
progress = QProgressBar()
progress.setMaximum(m)
progress.setAlignment(Qt.AlignLeft|Qt.AlignVCenter)
progressMessageBar.layout().addWidget(progress)
qgis.utils.iface.messageBar().pushWidget(progressMessageBar, qgis.utils.iface.messageBar().INFO)
class stream2lib(tweepy.StreamListener):
output = {}
def __init__(self, api=None):
api = tweepy.API(key)
self.api = api or API()
self.n = n
self.m = m
self.gathered = 0
def on_status(self, status):
self.output[status.id] = {
'tweet':status.text.encode('utf8'),
'user':status.user.screen_name,
'geo':status.geo,
'place':status.place,
'localization':status.user.location,
'time_zone':status.user.time_zone,
'time':status.timestamp_ms}
#we will only care about tweets with geo
self.gathered += 1
if self.output[status.id]['geo']!=None and precision == 'use user location (slow, accurate)':
progress.setValue(self.n + 1)
self.n = self.n+1
if self.output[status.id]['place'] != None and self.output[status.id]['place'].bounding_box.coordinates[0][1][0] != None and precision == 'use place location (fast, inaccurate)':
progress.setValue(self.n + 1)
print self.n
self.n = self.n+1
progressMessageBar.setText("tweets gathered: "+ str(self.gathered) + "; geo_enabled/places_enabled: " + str(self.n))
if self.n < self.m:
return True
else:
return False
#getting the extent:
if layerid != 'None_id':
for i in allLayers:
if i.id() == layerid:
extent = i.extent()
crsSrc = i.crs()
crsDest = QgsCoordinateReferenceSystem(4326)
xform = QgsCoordinateTransform(crsSrc, crsDest)
extentn = xform.transform(extent)
geobox = [extentn.xMinimum(), extentn.yMinimum(), extentn.xMaximum(), extentn.yMaximum()]
#GEOBOX_SPECIFIC = [5.0770, 47.2982, 15.0403, 54.9039]
stream = tweepy.streaming.Stream(key, stream2lib())
if layerid != 'None_id' and len(keywords) == 0:
print "tweets in this area: " + str(geobox)
stream.filter(locations=geobox)
if layerid == 'None_id' and len(keywords) != 0:
print "tweets with keywords: " + str(keywords)
stream.filter(track=keywords)
if layerid == 'None_id' and len(keywords) == 0:
print "collect worldwide tweets"
stream.filter(locations=[-180,-90,180,90])
#if self.dlg.keywords.text()=="":
# stream.filter(locations=geobox)
# else:
# print "keywords for tweets:"
# print keywords
# stream.filter(keywords)
# stream.filter(track=keywords)
tweetdic = stream2lib().output
if fileneeded != 'no file of tweets needed':
with open(tempfile.gettempdir() + os.sep + "Tweets_" + datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S') + ".txt", 'w') as f_tweet:
for tweet in tweetdic:
f_tweet.write(str(tweetdic[tweet]) + '\n')
f_tweet.close()
#save twitter response to file:
#tempfolder = tempfile.gettempdir()
#with open(tempfolder + os.sep + 'fetched_tweets.txt','w') as tf:
# tf.write(tweetdic)
#print tweetdic
#lets create the shapefile --> maybe define a proper function for this!!!
vl = QgsVectorLayer("Point", "temporary_twitter_results", "memory")
pr = vl.dataProvider()
# changes are only possible when editing the layer
vl.startEditing()
# add fields
pr.addAttributes([QgsField("user_name", QVariant.String),QgsField("localization", QVariant.String),QgsField("place", QVariant.String), QgsField("tweet", QVariant.String), QgsField("time", QVariant.String)])
# add a feature
for tweet in tweetdic:
fet = QgsFeature()
#case one: one is interested in the tweeter location:
if tweetdic[tweet]['geo'] != None and precision == 'use user location (slow, accurate)':
#print "tweet at location " + str(tweetdic[tweet]['geo']['coordinates']) + "found"
fet.setGeometry(QgsGeometry.fromPoint(QgsPoint(tweetdic[tweet]['geo']['coordinates'][1],tweetdic[tweet]['geo']['coordinates'][0] )))
tweettime = datetime.datetime.utcfromtimestamp(float(tweetdic[tweet]['time'][:-3] + "." + tweetdic[tweet]['time'][11:13])).strftime('%Y-%m-%d %H:%M:%S:%f')
#print tweettime
#print tweetdic[tweet][str(datetime.datetime.utcfromtimestamp(float(tweetdic[tweet]['time'][:-3] + "." + tweetdic[tweet]['time'][11:13])).strftime('%Y-%m-%d %H:%M:%S'))]
if tweetdic[tweet]['place'] != None:
fet.setAttributes([tweetdic[tweet]['user'],tweetdic[tweet]['localization'],tweetdic[tweet]['place'].full_name + ", "+ tweetdic[tweet]['place'].country,tweetdic[tweet]['tweet'],tweettime])
else:
fet.setAttributes([tweetdic[tweet]['user'],tweetdic[tweet]['localization'],"no place given",tweetdic[tweet]['tweet'],tweettime])
#fet.setAttributes([tweetdic[tweet]['user'],tweetdic[tweet]['localization'],tweetdic[tweet]['place'].full_name + ", "+ tweetdic[tweet]['place'].country,tweetdic[tweet]['tweet'],'test'])
pr.addFeatures([fet])
# case two : we want the place...
if tweetdic[tweet]['place'] != None and tweetdic[tweet]['place'].bounding_box.coordinates[0][1][0] != None and precision == 'use place location (fast, inaccurate)':
print "center at "
#LL UL UR LR
rect = QgsRectangle(tweetdic[tweet]['place'].bounding_box.coordinates[0][0][0],
tweetdic[tweet]['place'].bounding_box.coordinates[0][0][1],
tweetdic[tweet]['place'].bounding_box.coordinates[0][2][0],
tweetdic[tweet]['place'].bounding_box.coordinates[0][2][1])
print rect.center()
print "tweet at location " + str(tweetdic[tweet]['place'].bounding_box.coordinates[0][1][0]) + "found"
fet.setGeometry(QgsGeometry.fromPoint(QgsPoint(tweetdic[tweet]['place'].bounding_box.coordinates[0][1][0],tweetdic[tweet]['place'].bounding_box.coordinates[0][1][1] )))
tweettime = datetime.datetime.utcfromtimestamp(float(tweetdic[tweet]['time'][:-3] + "." + tweetdic[tweet]['time'][11:13])).strftime('%Y-%m-%d %H:%M:%S:%f')
#print tweettime
#print tweetdic[tweet][str(datetime.datetime.utcfromtimestamp(float(tweetdic[tweet]['time'][:-3] + "." + tweetdic[tweet]['time'][11:13])).strftime('%Y-%m-%d %H:%M:%S'))]
fet.setAttributes([tweetdic[tweet]['user'],tweetdic[tweet]['localization'],tweetdic[tweet]['place'].full_name + ", "+ tweetdic[tweet]['place'].country,tweetdic[tweet]['tweet'],tweettime])
#fet.setAttributes([tweetdic[tweet]['user'],tweetdic[tweet]['localization'],tweetdic[tweet]['place'].full_name + ", "+ tweetdic[tweet]['place'].country,tweetdic[tweet]['tweet'],'test'])
pr.addFeatures([fet])
#self.dlg.precision.addItem('tweet about place')
# commit to stop editing the layer
vl.commitChanges()
# update layer's extent when new features have been added
# because change of extent in provider is not propagated to the layer
vl.updateExtents()
# add layer to the legend
QgsMapLayerRegistry.instance().addMapLayer(vl)
#qgis.utils.iface.messageBar().clearWidgets()
#call("python " + tempfolder + os.sep + "tweepy-master" + os.sep + "setup.py install" )
#sys_modules = sys.modules.keys()
#regex=re.compile(".*(tweepy).*")
#tweepy_modules=[m.group(0) for l in sys_modules for m in [regex.search(l)] if m]
#if len(tweepy_modules) == 0:
#tempfolder = tempfile.gettempdir()
#urllib.urlretrieve('https://github.com/tweepy/tweepy/archive/master.zip', tempfolder + os.sep + 'master.zip')
#print "tweepy was downloaded" + str(len(tweepy_modules))
#print test