[processing] allow creating new plugin from toolbox with scripts

python/plugins/processing/script/CreateScriptCollectionPluginAction.py

@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    CreateScriptCollectionPluginAction.py
+    ---------------------
+    Date                 : May 2016
+    Copyright            : (C) 2016 by Victor Olaya
+    Email                : volayaf at gmail dot com
+***************************************************************************
+*                                                                         *
+*   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.                                   *
+*                                                                         *
+***************************************************************************
+"""
+
+__author__ = 'Victor Olaya'
+__date__ = 'May 2016'
+__copyright__ = '(C) 2016, Victor Olaya'
+
+# This will get replaced with a git SHA1 when you do a git archive
+
+__revision__ = '$Format:%H$'
+
+import os
+
+from qgis.PyQt.QtGui import QIcon
+from processing.gui.ToolboxAction import ToolboxAction
+from processing.script.ScriptSelector import ScriptSelector
+from processing.tools.system import mkdir
+
+pluginPath = os.path.split(os.path.dirname(__file__))[0]
+
+initTemplate = '''from .plugin import ProcessingScriptCollectionPlugin
+
+def classFactory(iface):
+    return ProcessingScriptCollectionPlugin()
+'''
+metadataTemplate = '''[general]
+name=$name$
+description=$description$
+category=Analysis
+version=1.0
+qgisMinimumVersion=2.0
+
+author=$author$
+email=$email$
+
+tags=analysis,processing
+
+homepage=http://qgis.org
+tracker=https://hub.qgis.org/projects/QGIS/issues
+repository=https://github.com/qgis/QGIS
+'''
+
+pluginTemplate = '''import os
+
+from processing.core.Processing import Processing
+
+class ProcessingScriptCollectionPlugin:
+
+    def initGui(self):
+        Processing.addScripts(os.path.join(os.path.dirname(__file__), "scripts"))
+
+    def unload(self):
+        Processing.removeScripts(os.path.join(os.path.dirname(__file__), "scripts"))
+'''
+
+class CreateScriptCollectionPluginAction(ToolboxAction):
+
+    def __init__(self):
+        self.name, self.i18n_name = self.trAction('Create script collection plugin')
+        self.group, self.i18n_group = self.trAction('Tools')
+
+    def getIcon(self):
+        return QIcon(os.path.join(pluginPath, 'images', 'script.png'))
+
+    def execute(self):
+        dlg = ScriptSelector()
+        dlg.exec_()
+        if dlg.scripts:
+            mkdir(dlg.folder)
+            initFile = os.path.join(dlg.folder, "__init__.py")
+            with open(initFile, "w") as f:
+                f.write(initTemplate)
+            metadataFile = os.path.join(dlg.folder, "metadata.txt")
+            with open(metadataFile, "w") as f:
+                f.write(metadataTemplate.replace("$name$", dlg.name).replace("$description$", dlg.description)
+                        .replace("$author$", dlg.author).replace("$email$", dlg.email))
+            pluginFile = os.path.join(dlg.folder, "plugin.py")
+            with open(pluginFile, "w") as f:
+                f.write(pluginTemplate)
+            scriptsFolder = os.path.join(dlg.folder, "scripts")
+            mkdir(scriptsFolder)
+            for script in dlg.scripts:
+                scriptFile = os.path.join(scriptsFolder, os.path.basename(script.descriptionFile))
+                with open(scriptFile, "w") as f:
+                    f.write(script.script)
+

python/plugins/processing/script/ScriptAlgorithmProvider.py

@@ -37,6 +37,7 @@
 from processing.script.ScriptUtils import ScriptUtils
 from processing.script.AddScriptFromFileAction import AddScriptFromFileAction
 from processing.gui.GetScriptsAndModels import GetScriptsAction
+from processing.script.CreateScriptCollectionPluginAction import CreateScriptCollectionPluginAction
 
 pluginPath = os.path.split(os.path.dirname(__file__))[0]
 
@@ -48,7 +49,8 @@ def __init__(self):
         self.actions.extend([CreateNewScriptAction('Create new script',
                                                    CreateNewScriptAction.SCRIPT_PYTHON),
                              AddScriptFromFileAction(),
-                             GetScriptsAction()])
+                             GetScriptsAction(),
+                             CreateScriptCollectionPluginAction(),])
         self.contextMenuActions = \
             [EditScriptAction(EditScriptAction.SCRIPT_PYTHON),
              DeleteScriptAction(DeleteScriptAction.SCRIPT_PYTHON)]

python/plugins/processing/script/ScriptSelector.py

@@ -0,0 +1,110 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    ScriptSelector.py
+    ---------------------
+    Date                 : May 2016
+    Copyright            : (C) 2016 by Victor Olaya
+    Email                : volayaf at gmail dot com
+***************************************************************************
+*                                                                         *
+*   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.                                   *
+*                                                                         *
+***************************************************************************
+"""
+
+__author__ = 'Victor Olaya'
+__date__ = 'May 2016'
+__copyright__ = '(C) 2016, Victor Olaya'
+
+# This will get replaced with a git SHA1 when you do a git archive
+from PyQt4 import QtGui, uic, QtCore
+import os
+from collections import defaultdict
+from processing.core.alglist import algList
+
+WIDGET, BASE = uic.loadUiType(
+    os.path.join(os.path.dirname(__file__), 'scriptselector.ui'))
+
+class ScriptSelector(BASE, WIDGET):
+
+    def __init__(self):
+        QtGui.QDialog.__init__(self)
+        self.setupUi(self)
+
+        self.scripts = None
+
+        allScripts = defaultdict(list)
+        alglist = algList.getProviderFromName("script").algs
+        for script in alglist:
+            allScripts[script.group].append(script)
+
+        for group, groupScripts in allScripts.iteritems():
+            groupItem = QtGui.QTreeWidgetItem()
+            groupItem.setText(0, group)
+            groupItem.setFlags(groupItem.flags() | QtCore.Qt.ItemIsTristate);
+            for script in groupScripts:
+                scriptItem = QtGui.QTreeWidgetItem()
+                scriptItem.setFlags(scriptItem.flags() | QtCore.Qt.ItemIsUserCheckable);
+                scriptItem.setCheckState(0, QtCore.Qt.Checked);
+                scriptItem.script = script
+                scriptItem.setText(0, script.name)
+                groupItem.addChild(scriptItem)
+            self.scriptsTree.addTopLevelItem(groupItem)
+
+        self.scriptsTree.expandAll()
+
+        self.selectAllLabel.linkActivated.connect(lambda: self.checkScripts(True))
+        self.unselectAllLabel.linkActivated.connect(lambda: self.checkScripts(False))
+
+        self.folderButton.clicked.connect(self.selectFolder)
+
+        self.buttonBox.accepted.connect(self.okPressed)
+        self.buttonBox.rejected.connect(self.cancelPressed)
+
+    def selectFolder(self):
+        folder = QtGui.QFileDialog.getExistingDirectory(self, 'Select folder')
+        if folder:
+            self.folderBox.setText(folder)
+
+    def checkScripts(self, b):
+        state = QtCore.Qt.Checked if b else QtCore.Qt.Unchecked
+        for i in xrange(self.scriptsTree.topLevelItemCount()):
+            item = self.scriptsTree.topLevelItem(i)
+            for j in xrange(item.childCount()):
+                child = item.child(j)
+                child.setCheckState(0, state)
+
+    def cancelPressed(self):
+        self.close()
+
+    def _getValue(self, textBox):
+        textBox.setStyleSheet("QLineEdit{background: white}")
+        value = textBox.text()
+        if value:
+            return value
+        textBox.setStyleSheet("QLineEdit{background: yellow}")
+        raise Exception("wrong parameter value")
+
+    def okPressed(self):
+        self.scripts = []
+        for i in xrange(self.scriptsTree.topLevelItemCount()):
+            groupItem = self.scriptsTree.topLevelItem(i)
+            for j in xrange(groupItem.childCount()):
+                scriptItem = groupItem.child(j)
+                if scriptItem.checkState(0) == QtCore.Qt.Checked:
+                    self.scripts.append(scriptItem.script)
+        self.folder = self._getValue(self.folderBox)
+        try:
+            self.name = self._getValue(self.nameBox)
+            self.description = self._getValue(self.descriptionBox)
+            self.author = self._getValue(self.authorBox)
+            self.email = self._getValue(self.emailBox)
+        except:
+            return
+        self.close()
+