STYLE: Made scripted loadable template PEP8-compliant

Created by: dmwelch

Extensions/Testing/ScriptedLoadableExtensionTemplate/ScriptedLoadableExtensionTemplate.py

-from __main__ import vtk, qt, ctk, slicer
+from __main__ import ctk
+from __main__ import qt
+from __main__ import slicer
+from __main__ import vtk
 
 #
 # ScriptedLoadableExtensionTemplate
 #
 
 class ScriptedLoadableExtensionTemplate:
-  def __init__(self, parent):
-    parent.title = "Scripted Loadable Extension Template"
-    parent.categories = ["Examples"]
-    parent.dependencies = []
-    parent.contributors = ["Jean-Christophe Fillion-Robin (Kitware), Steve Pieper (Isomics)"] # replace with "Firstname Lastname (Org)"
-    parent.helpText = """
-    This is an example of scripted loadable module bundled in an extension.
-    """
-    parent.acknowledgementText = """
-    This file was originally developed by Jean-Christophe Fillion-Robin, Kitware Inc. and Steve Pieper, Isomics, Inc.  and was partially funded by NIH grant 3P41RR013218-12S1.
-""" # replace with organization, grant and thanks.
-    self.parent = parent
+    def __init__(self, parent):
+        parent.title = "Scripted Loadable Extension Template"
+        parent.categories = ["Examples"]
+        parent.dependencies = []
+        parent.contributors = ["Jean-Christophe Fillion-Robin (Kitware), \
+        Steve Pieper (Isomics)"] # replace with "Firstname Lastname (Org)"
+        parent.helpText = """Example of scripted loadable extension."""
+        parent.acknowledgementText = """
+        This file was originally developed by Jean-Christophe Fillion-Robin, \
+        Kitware Inc. and Steve Pieper, Isomics, Inc. and was partially funded \
+        by NIH grant 3P41RR013218-12S1.
+        """ # replace with organization, grant and thanks.
+        self.parent = parent
 
 #
 # qScriptedLoadableExtensionTemplateWidget
 #
 
 class ScriptedLoadableExtensionTemplateWidget:
-  def __init__(self, parent = None):
-    if not parent:
-      self.parent = slicer.qMRMLWidget()
-      self.parent.setLayout(qt.QVBoxLayout())
-      self.parent.setMRMLScene(slicer.mrmlScene)
-    else:
-      self.parent = parent
-    self.layout = self.parent.layout()
-    if not parent:
-      self.setup()
-      self.parent.show()
-
-  def setup(self):
-    # Instantiate and connect widgets ...
-
-    # reload button
-    # (use this during development, but remove it when delivering
-    #  your module to users)
-    self.reloadButton = qt.QPushButton("Reload")
-    self.reloadButton.toolTip = "Reload this module."
-    self.reloadButton.name = "ScriptedLoadableExtensionTemplate Reload"
-    self.layout.addWidget(self.reloadButton)
-    self.reloadButton.connect('clicked()', self.onReload)
-
-
-    # Collapsible button
-    dummyCollapsibleButton = ctk.ctkCollapsibleButton()
-    dummyCollapsibleButton.text = "A collapsible button"
-    self.layout.addWidget(dummyCollapsibleButton)
-
-    # Layout within the dummy collapsible button
-    dummyFormLayout = qt.QFormLayout(dummyCollapsibleButton)
-
-    # HelloWorld button
-    helloWorldButton = qt.QPushButton("Hello world")
-    helloWorldButton.toolTip = "Print 'Hello world' in standard ouput."
-    dummyFormLayout.addWidget(helloWorldButton)
-    helloWorldButton.connect('clicked(bool)', self.onHelloWorldButtonClicked)
-
-    # Add vertical spacer
-    self.layout.addStretch(1)
-
-    # Set local var as instance attribute
-    self.helloWorldButton = helloWorldButton
-
-  def onHelloWorldButtonClicked(self):
-    print "Hello World !"
-
-  def onReload(self,moduleName="ScriptedLoadableExtensionTemplate"):
-    """Generic reload method for any scripted module.
-    ModuleWizard will subsitute correct default moduleName.
-    """
-    import imp, sys, os, slicer
-
-    widgetName = moduleName + "Widget"
-
-    # reload the source code
-    # - set source file path
-    # - load the module to the global space
-    filePath = eval('slicer.modules.%s.path' % moduleName.lower())
-    p = os.path.dirname(filePath)
-    if not sys.path.__contains__(p):
-      sys.path.insert(0,p)
-    fp = open(filePath, "r")
-    globals()[moduleName] = imp.load_module(
-        moduleName, fp, filePath, ('.py', 'r', imp.PY_SOURCE))
-    fp.close()
-
-    # rebuild the widget
-    # - find and hide the existing widget
-    # - create a new widget in the existing parent
-    parent = slicer.util.findChildren(name='%s Reload' % moduleName)[0].parent()
-    for child in parent.children():
-      try:
-        child.hide()
-      except AttributeError:
-        pass
-    globals()[widgetName.lower()] = eval(
-        'globals()["%s"].%s(parent)' % (moduleName, widgetName))
-    globals()[widgetName.lower()].setup()
+    def __init__(self, parent=None):
+        if parent is None:
+            self.parent = slicer.qMRMLWidget()
+            self.parent.setLayout(qt.QVBoxLayout())
+            self.parent.setMRMLScene(slicer.mrmlScene)
+        else:
+            self.parent = parent
+        self.layout = self.parent.layout()
+        if parent is None:
+            self.setup()
+            self.parent.show()
+
+    def setup(self):
+        # Instantiate and connect widgets ...
+
+        # reload button
+        # (use this during development, but remove it when delivering
+        #    your module to users)
+        ### START DEVELOPMENT TOOL ###
+        self.reloadButton = qt.QPushButton("Reload")
+        self.reloadButton.toolTip = "Reload this module."
+        self.reloadButton.name = "ScriptedLoadableExtensionTemplate Reload"
+        self.layout.addWidget(self.reloadButton)
+        self.reloadButton.connect('clicked()', self.onReload)
+        ###        END TOOL        ###
+
+        # Collapsible button
+        dummyCollapsibleButton = ctk.ctkCollapsibleButton()
+        dummyCollapsibleButton.text = "A collapsible button"
+        self.layout.addWidget(dummyCollapsibleButton)
+
+        # Layout within the dummy collapsible button
+        dummyFormLayout = qt.QFormLayout(dummyCollapsibleButton)
+
+        # HelloWorld button
+        helloWorldButton = qt.QPushButton("Hello world")
+        helloWorldButton.toolTip = "Print 'Hello world' in standard ouput."
+        dummyFormLayout.addWidget(helloWorldButton)
+        helloWorldButton.connect('clicked(bool)', self.onHelloWorldButtonClicked)
+
+        # Add vertical spacer
+        self.layout.addStretch(1)
+
+        # Set local var as instance attribute
+        self.helloWorldButton = helloWorldButton
+
+    def onHelloWorldButtonClicked(self):
+        print "Hello World !"
+
+    def onReload(self, moduleName="ScriptedLoadableExtensionTemplate"):
+        """ Generic development reload method for any scripted module.
+            ModuleWizard will subsitute correct default moduleName.
+            DEVELOPMENT TOOL
+        """
+        import imp
+        import os
+        import sys
+
+        import slicer
+
+
+        widgetName = moduleName + "Widget"
+        # reload the source code
+        # - set source file path
+        # - load the module to the global space
+        filePath = eval('slicer.modules.%s.path' % moduleName.lower())
+        p = os.path.dirname(filePath)
+        if not sys.path.__contains__(p):
+            sys.path.insert(0, p)
+        fp = open(filePath, "r")
+        globals()[moduleName] = imp.load_module(moduleName, fp, filePath,
+                                                ('.py', 'r', imp.PY_SOURCE))
+        fp.close()
+        # rebuild the widget
+        # - find and hide the existing widget
+        # - create a new widget in the existing parent
+        parent = slicer.util.findChildren(name='%s Reload' % moduleName)[0].parent()
+        for child in parent.children():
+            try:
+                child.hide()
+            except AttributeError:
+                pass
+        globals()[widgetName.lower()] = eval('globals()["%s"].%s(parent)' %
+                                             (moduleName, widgetName))
+        globals()[widgetName.lower()].setup()