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242 lines
9.5 KiB
Python
242 lines
9.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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GetScriptsAndModels.py
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---------------------
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Date : June 2014
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Copyright : (C) 2014 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'June 2014'
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__copyright__ = '(C) 201, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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import json
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import urllib2
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from urllib2 import HTTPError
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from processing.gui.ToolboxAction import ToolboxAction
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from PyQt4 import QtGui
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from processing.ui.ui_DlgGetScriptsAndModels import Ui_DlgGetScriptsAndModels
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from processing.script.ScriptUtils import ScriptUtils
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from processing.modeler.ModelerUtils import ModelerUtils
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from processing.gui import Help2Html
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from qgis.utils import iface
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from processing.gui.Help2Html import getDescription, ALG_DESC, ALG_VERSION, ALG_CREATOR
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class GetScriptsAction(ToolboxAction):
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def __init__(self):
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self.name = self.tr('Get scripts from on-line scripts collection', 'GetScriptsAction')
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self.group = self.tr('Tools', 'GetScriptsAction')
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def getIcon(self):
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return QIcon(':/processing/images/script.png')
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def execute(self):
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try:
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dlg = GetScriptsAndModelsDialog(GetScriptsAndModelsDialog.SCRIPTS)
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dlg.exec_()
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if dlg.updateToolbox:
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self.toolbox.updateProvider('script')
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except HTTPError:
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QMessageBox.critical(iface.mainWindow(),
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self.tr('Connection problem', 'GetScriptsAction'),
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self.tr('Could not connect to scripts/models repository', 'GetScriptsAction'))
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class GetModelsAction(ToolboxAction):
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def __init__(self):
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self.name = self.tr('Get models from on-line scripts collection', 'GetModelsAction')
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self.group = self.tr('Tools', 'GetModelsAction')
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def getIcon(self):
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return QIcon(':/processing/images/model.png')
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def execute(self):
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try:
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dlg = GetScriptsAndModelsDialog(GetScriptsAndModelsDialog.MODELS)
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dlg.exec_()
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if dlg.updateToolbox:
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self.toolbox.updateProvider('model')
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except HTTPError:
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QMessageBox.critical(iface.mainWindow(),
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self.tr('Connection problem', 'GetModelsAction'),
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self.tr('Could not connect to scripts/models repository', 'GetModelsAction'))
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def readUrl(url):
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try:
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QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
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return urllib2.urlopen(url).read()
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finally:
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QApplication.restoreOverrideCursor()
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class GetScriptsAndModelsDialog(QDialog, Ui_DlgGetScriptsAndModels):
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HELP_TEXT = QCoreApplication.translate('GetScriptsAndModelsDialog',
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'<h3> Processing resources manager </h3>'
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'<p>Check/uncheck algorithms in the tree to select the ones that you '
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'want to install or remove</p>'
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'<p>Algorithms are divided in 3 groups:</p>'
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'<ul><li><b>Installed:</b> Algorithms already in your system, with '
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'the latest version available</li>'
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'<li><b>Upgradable:</b> Algorithms already in your system, but with '
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'a newer version available in the server</li>'
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'<li><b>Not installed:</b> Algorithms not installed in your '
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'system</li></ul>')
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MODELS = 0
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SCRIPTS = 1
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def __init__(self, resourceType):
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QDialog.__init__(self, iface.mainWindow())
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self.resourceType = resourceType
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if self.resourceType == self.MODELS:
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self.folder = ModelerUtils.modelsFolder()
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self.urlBase = 'https://raw.githubusercontent.com/qgis/QGIS-Processing/master/models/'
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self.icon = QtGui.QIcon(os.path.dirname(__file__) + '/../images/model.png')
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else:
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self.folder = ScriptUtils.scriptsFolder()
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self.urlBase = 'https://raw.githubusercontent.com/qgis/QGIS-Processing/master/scripts/'
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self.icon = QtGui.QIcon(os.path.dirname(__file__) + '/../images/script.png')
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self.lastSelectedItem = None
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self.setupUi(self)
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self.populateTree()
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self.updateToolbox = False
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self.buttonBox.accepted.connect(self.okPressed)
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self.buttonBox.rejected.connect(self.cancelPressed)
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self.tree.currentItemChanged .connect(self.currentItemChanged)
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def populateTree(self):
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self.uptodateItem = QTreeWidgetItem()
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self.uptodateItem.setText(0, self.tr('Installed'))
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self.toupdateItem = QTreeWidgetItem()
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self.toupdateItem.setText(0, self.tr('Updatable'))
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self.notinstalledItem = QTreeWidgetItem()
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self.notinstalledItem.setText(0, self.tr('Not installed'))
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self.toupdateItem.setIcon(0, self.icon)
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self.uptodateItem.setIcon(0, self.icon)
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self.notinstalledItem.setIcon(0, self.icon)
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resources = readUrl(self.urlBase + 'list.txt').splitlines()
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resources = [r.split(',') for r in resources]
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for filename, version, name in resources:
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treeBranch = self.getTreeBranchForState(filename, float(version))
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item = TreeItem(filename, name, self.icon)
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treeBranch.addChild(item)
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if treeBranch != self.notinstalledItem:
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item.setCheckState(0, Qt.Checked)
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self.tree.addTopLevelItem(self.toupdateItem)
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self.tree.addTopLevelItem(self.notinstalledItem)
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self.tree.addTopLevelItem(self.uptodateItem)
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self.webView.setHtml(self.HELP_TEXT)
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def currentItemChanged(self, item, prev):
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if isinstance(item, TreeItem):
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try:
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url = self.urlBase + item.filename.replace(' ', '%20') + '.help'
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helpContent = readUrl(url)
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descriptions = json.loads(helpContent)
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html = '<h2>%s</h2>' % item.name
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html += self.tr('<p><b>Description:</b> %s</p>') % getDescription(ALG_DESC, descriptions)
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html += self.tr('<p><b>Created by:</b> %s') % getDescription(ALG_CREATOR, descriptions)
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html += self.tr('<p><b>Version:</b> %s') % getDescription(ALG_VERSION, descriptions)
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except HTTPError, e:
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html = self.tr('<h2>No detailed description available for this script</h2>')
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self.webView.setHtml(html)
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else:
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self.webView.setHtml(self.HELP_TEXT)
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def getTreeBranchForState(self, filename, version):
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if not os.path.exists(os.path.join(self.folder, filename)):
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return self.notinstalledItem
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else:
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helpFile = os.path.join(self.folder, filename + '.help')
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try:
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with open(helpFile) as f:
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helpContent = json.load(f)
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currentVersion = float(helpContent[Help2Html.ALG_VERSION])
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except:
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currentVersion = 1
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if version > currentVersion:
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return self.toupdateItem
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else:
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return self.uptodateItem
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def cancelPressed(self):
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self.close()
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def okPressed(self):
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toDownload = []
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for i in xrange(self.toupdateItem.childCount()):
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item = self.toupdateItem.child(i)
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if item.checkState(0) == Qt.Checked:
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toDownload.append(item.filename)
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for i in xrange(self.notinstalledItem.childCount()):
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item = self.notinstalledItem.child(i)
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if item.checkState(0) == Qt.Checked:
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toDownload.append(item.filename)
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if toDownload:
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self.progressBar.setMaximum(len(toDownload))
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for i, filename in enumerate(toDownload):
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QCoreApplication.processEvents()
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url = self.urlBase + filename.replace(' ','%20')
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try:
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code = readUrl(url)
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path = os.path.join(self.folder, filename)
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with open(path, 'w') as f:
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f.write(code)
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self.progressBar.setValue(i + 1)
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except HTTPError:
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QMessageBox.critical(iface.mainWindow(),
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self.tr('Connection problem'),
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self.tr('Could not download file: %s') % filename)
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return
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toDelete = []
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for i in xrange(self.uptodateItem.childCount()):
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item = self.uptodateItem.child(i)
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if item.checkState(0) == Qt.Unchecked:
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toDelete.append(item.filename)
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for filename in toDelete:
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path = os.path.join(self.folder, filename)
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os.remove(path)
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self.updateToolbox = len(toDownload) + len(toDelete)> 0
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self.close()
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class TreeItem(QTreeWidgetItem):
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def __init__(self, filename, name, icon):
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QTreeWidgetItem.__init__(self)
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self.name = name
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self.filename = filename
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self.setText(0, name)
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self.setIcon(0, icon)
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self.setCheckState(0, Qt.Unchecked)
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