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# -*- coding:utf-8 -*-
"""
/***************************************************************************
qgsplugininstallerinstallingdialog.py
Plugin Installer module
-------------------
Date : June 2013
Copyright : (C) 2013 by Borys Jurgiel
Email : info at borysjurgiel dot pl
This module is based on former plugin_installer plugin:
Copyright (C) 2007-2008 Matthew Perry
Copyright (C) 2008-2013 Borys Jurgiel
***************************************************************************/
/***************************************************************************
* *
* 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 *
from PyQt4.QtGui import *
from qgis.core import QgsApplication, QgsNetworkAccessManager
from ui_qgsplugininstallerinstallingbase import Ui_QgsPluginInstallerInstallingDialogBase
from installer_data import *
from unzip import unzip
class QgsPluginInstallerInstallingDialog(QDialog, Ui_QgsPluginInstallerInstallingDialogBase):
# ----------------------------------------- #
def __init__(self, parent, plugin):
QDialog.__init__(self, parent)
self.setupUi(self)
self.plugin = plugin
self.mResult = ""
self.progressBar.setRange(0,0)
self.progressBar.setFormat("%p%")
self.labelName.setText(plugin["name"])
self.buttonBox.clicked.connect(self.abort)
url = QUrl(plugin["download_url"])
fileName = plugin["filename"]
tmpDir = QDir.tempPath()
tmpPath = QDir.cleanPath(tmpDir+"/"+fileName)
self.file = QFile(tmpPath)
self.request = QNetworkRequest(url)
self.reply = QgsNetworkAccessManager.instance().get( self.request )
self.reply.downloadProgress.connect( self.readProgress )
self.reply.finished.connect(self.requestFinished)
self.stateChanged(4)
# ----------------------------------------- #
def result(self):
return self.mResult
# ----------------------------------------- #
def stateChanged(self, state):
messages=[self.tr("Installing..."),self.tr("Resolving host name..."),self.tr("Connecting..."),self.tr("Host connected. Sending request..."),self.tr("Downloading data..."),self.tr("Idle"),self.tr("Closing connection..."),self.tr("Error")]
self.labelState.setText(messages[state])
# ----------------------------------------- #
def readProgress(self, done, total):
if total > 0:
self.progressBar.setMaximum(total)
self.progressBar.setValue(done)
# ----------------------------------------- #
def requestFinished(self):
reply = self.sender()
self.buttonBox.setEnabled(False)
if reply.error() != QNetworkReply.NoError:
self.mResult = reply.errorString()
if reply.error() == QNetworkReply.OperationCanceledError:
self.mResult += "<br/><br/>" + QCoreApplication.translate("QgsPluginInstaller", "If you haven't cancelled the download manually, it might be caused by a timeout. In this case consider increasing the connection timeout value in QGIS options.")
self.reject()
reply.deleteLater()
return
self.file.open(QFile.WriteOnly)
self.file.write( reply.readAll() )
self.file.close()
self.stateChanged(0)
reply.deleteLater()
pluginDir = qgis.utils.home_plugin_path
tmpPath = self.file.fileName()
# make sure that the parent directory exists
if not QDir(pluginDir).exists():
QDir().mkpath(pluginDir)
# if the target directory already exists as a link, remove the link without resolving:
QFile(pluginDir+unicode(QDir.separator())+self.plugin["id"]).remove()
try:
unzip(unicode(tmpPath), unicode(pluginDir)) # test extract. If fails, then exception will be raised and no removing occurs
# removing old plugin files if exist
removeDir(QDir.cleanPath(pluginDir+"/"+self.plugin["id"])) # remove old plugin if exists
unzip(unicode(tmpPath), unicode(pluginDir)) # final extract.
except:
self.mResult = self.tr("Failed to unzip the plugin package. Probably it's broken or missing from the repository. You may also want to make sure that you have write permission to the plugin directory:") + "\n" + pluginDir
self.reject()
return
try:
# cleaning: removing the temporary zip file
QFile(tmpPath).remove()
except:
pass
self.close()
# ----------------------------------------- #
def abort(self):
if self.reply.isRunning():
self.reply.finished.disconnect()
self.reply.abort()
del self.reply
self.mResult = self.tr("Aborted by user")
self.reject()
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