nixSuite/slicerModule/nixModule.py

import os
import unittest
from __main__ import vtk, qt, ctk, slicer
from slicer.ScriptedLoadableModule import *
#import slicerNetwork
import json
import zipfile
import pathlib
import sys
import urllib3
import string
import chardet
import base64
#
# labkeySlicerPythonExtension
#

def buildGITURL(project,path,server):
    pathURL='%2f'.join(path)
    projectURL='%2f'.join(project)
    return server+'/api/v4/projects/'+projectURL+'/repository/files/'+pathURL+'?ref=master'

def getWrapper(name):
    project=['labkey','nixsuite']
    if name=='nixWrapper.py':
        path=['wrapper','nixWrapper.py']
    server='http://wiscigt.powertheword.com'
    remoteSourcesURL=buildGITURL(project,path,server)
    http = urllib3.PoolManager()
    r = http.request('GET', remoteSourcesURL)
    #returns a JSON
    encoding=chardet.detect(r.data)['encoding']
    jsonData=json.loads(r.data.decode(encoding))

    #we are interested in content, do looped way of decoding it
    b64_bytes=jsonData['content'].encode('ascii')
    m_bytes=base64.b64decode(b64_bytes)
    m=m_bytes.decode('ascii')
    #m is string coded file that needs to be written to file
    pathList=['.nix','software','src']
    pathList.extend(project)
    pathList.extend(path)
    localPath=os.path.join(os.path.expanduser('~'),*pathList)
    p=pathlib.Path(localPath)
    if not os.path.isdir(str(p.parent)):
        os.makedirs(str(p.parent))
    
    with open(localPath,'w') as f:
        f.write(m)
    return localPath

class nixModule(ScriptedLoadableModule):
  """Uses ScriptedLoadableModule base class, available at:
  https://github.com/Slicer/Slicer/blob/master/Base/Python/slicer/ScriptedLoadableModule.py
  """

  def __init__(self, parent):
    ScriptedLoadableModule.__init__(self, parent)
    self.parent.title = "nixModule" # TODO make this more human readable by adding spaces
    self.parent.categories = ["NIX"]
    self.parent.dependencies = []
    self.parent.contributors = ["Andrej Studen (UL/FMF)"] # replace with "Firstname Lastname (Organization)"
    self.parent.helpText = """
    Interface to NIX software
    """
    self.parent.acknowledgementText = """
    Developed within the medical physics research programme of the Slovenian research agency.
    """ # replace with organization, grant and thanks.

#
# labkeySlicerPythonExtensionWidget
#

class nixModuleWidget(ScriptedLoadableModuleWidget):
  """Uses ScriptedLoadableModuleWidget base class, available at:
  https://github.com/Slicer/Slicer/blob/master/Base/Python/slicer/ScriptedLoadableModule.py
  """

  def setup(self):
    ScriptedLoadableModuleWidget.setup(self)
    # Instantiate and connect widgets ...
    self.logic=nixModuleLogic(self)

    fhome=os.path.expanduser('~')

    fwrapper=getWrapper('nixWrapper.py')
    p=pathlib.Path(fwrapper)
    sys.path.append(str(p.parent))
    import nixWrapper

    self.remoteResources=nixWrapper.getResources()
    
    #self.network=slicerNetwork.labkeyURIHandler()

    #
    # Parameters Area
    #
    loadCollapsibleButton = ctk.ctkCollapsibleButton()
    loadCollapsibleButton.text = "Add module"
    self.layout.addWidget(loadCollapsibleButton)

    loadFormLayout = qt.QFormLayout(loadCollapsibleButton)

    self.libraryName=qt.QComboBox()
    self.libraryName.insertItems(0,[m for m in self.remoteResources])
    self.libraryName.currentIndexChanged.connect(self.onLibraryNameChanged)
    loadFormLayout.addRow("Library: ", self.libraryName)

    self.moduleName=qt.QComboBox()
    try:
        print('Library: '.format(self.libraryName.currentText))
        self.moduleName.insertItems(0,[m for m in self.remoteResources[self.libraryName.currentText]['modules']])
    except KeyError:
        pass
    self.moduleName.currentIndexChanged.connect(self.onModuleNameChanged)
    loadFormLayout.addRow("Module: ", self.moduleName)
    
    self.loadLibraryButton=qt.QPushButton("Load")
    self.loadLibraryButton.toolTip="Load library"
    self.loadLibraryButton.clicked.connect(self.onLoadLibraryButtonClicked)
    loadFormLayout.addRow("Load library:",self.loadLibraryButton)

    self.loadModuleButton=qt.QPushButton("Load")
    self.loadModuleButton.toolTip="Load library"
    self.loadModuleButton.clicked.connect(self.onLoadModuleButtonClicked)
    loadFormLayout.addRow("Load module:",self.loadModuleButton)

  def onLoadModuleButtonClicked(self):
      self.logic.loadModule(self.libraryName.currentText,self.moduleName.currentText)
      print('onLoadModuleButtonClicked')

  def onLoadLibraryButtonClicked(self):
      self.logic.loadLibrary(self.libraryName.currentText)
      print('onLoadLibraryButtonClicked')

  def onModuleNameChanged(self):
      pass

  def onLibraryNameChanged(self):
      self.moduleName.clear()
      self.moduleName.insertItem(0,'Select')
      self.moduleName.insertItems(1,self.remoteResources[self.libraryName.currentText]['modules'])
      

# labkeySlicerPythonExtensionLogic
#

class nixModuleLogic(ScriptedLoadableModuleLogic):
  """This class should implement all the actual
  computation done by your module.  The interface
  should be such that other python code can import
  this class and make use of the functionality without
  requiring an instance of the Widget.
  Uses ScriptedLoadableModuleLogic base class, available at:
  https://github.com/Slicer/Slicer/blob/master/Base/Python/slicer/ScriptedLoadableModule.py
  """
  def __init__(self,parent):
      ScriptedLoadableModuleLogic.__init__(self, parent)

  def loadModule(self,libName,modName):
      import nixWrapper
      nixWrapper.loadModule(slicer,qt,libName,modName)

  def loadLibrary(self,libName):
      import nixWrapper
      nixWrapper.loadLibrary(libName)

class nixModuleTest(ScriptedLoadableModuleTest):
  """
  This is the test case for your scripted module.
  Uses ScriptedLoadableModuleTest base class, available at:
  https://github.com/Slicer/Slicer/blob/master/Base/Python/slicer/ScriptedLoadableModule.py
  """

  def setUp(self):
    """ Do whatever is needed to reset the state - typically a scene clear will be enough.
    """
    slicer.mrmlScene.Clear(0)

  def runTest(self):
      pass