""" Utilities to manage models """ import wx import imp import os import sys import math import os.path # Time is needed by the log method import time import logging import py_compile import shutil from sans.guiframe.events import StatusEvent # Explicitly import from the pluginmodel module so that py2exe # places it in the distribution. The Model1DPlugin class is used # as the base class of plug-in models. from sans.models.pluginmodel import Model1DPlugin from sans.models.BaseComponent import BaseComponent from sans.guiframe.CategoryInstaller import CategoryInstaller PLUGIN_DIR = 'plugin_models' def get_model_python_path(): return os.path.dirname(__file__) def log(message): """ Log a message in a file located in the user's home directory """ dir = os.path.join(os.path.expanduser("~"), '.sasview', PLUGIN_DIR) out = open(os.path.join(dir, "plugins.log"), 'a') out.write("%10g: %s\n" % (time.clock(), message)) out.close() def _check_plugin(model, name): """ Do some checking before model adding plugins in the list :param model: class model to add into the plugin list :param name:name of the module plugin :return model: model if valid model or None if not valid """ #Check is the plugin is of type Model1DPlugin if not issubclass(model, Model1DPlugin): msg = "Plugin %s must be of type Model1DPlugin \n" % str(name) log(msg) return None if model.__name__ != "Model": msg = "Plugin %s class name must be Model \n" % str(name) log(msg) return None try: new_instance = model() except: msg = "Plugin %s error in __init__ \n\t: %s %s\n" % (str(name), str(sys.exc_type), sys.exc_value) log(msg) return None if hasattr(new_instance, "function"): try: value = new_instance.function() except: msg = "Plugin %s: error writing function \n\t :%s %s\n " % (str(name), str(sys.exc_type), sys.exc_value) log(msg) return None else: msg = "Plugin %s needs a method called function \n" % str(name) log(msg) return None return model def find_plugins_dir(): """ Find path of the plugins directory. The plugin directory is located in the user's home directory. """ dir = os.path.join(os.path.expanduser("~"), '.sasview', PLUGIN_DIR) # If the plugin directory doesn't exist, create it if not os.path.isdir(dir): os.makedirs(dir) # Find paths needed try: # For source if os.path.isdir(os.path.dirname(__file__)): p_dir = os.path.join(os.path.dirname(__file__), PLUGIN_DIR) else: raise except: # Check for data path next to exe/zip file. #Look for maximum n_dir up of the current dir to find plugins dir n_dir = 12 p_dir = None f_dir = os.path.join(os.path.dirname(__file__)) for i in range(n_dir): if i > 1: f_dir, _ = os.path.split(f_dir) plugin_path = os.path.join(f_dir, PLUGIN_DIR) if os.path.isdir(plugin_path): p_dir = plugin_path break if not p_dir: raise # Place example user models as needed if os.path.isdir(p_dir): for file in os.listdir(p_dir): file_path = os.path.join(p_dir, file) if os.path.isfile(file_path): if file.split(".")[-1] == 'py' and\ file.split(".")[0] != '__init__': if not os.path.isfile(os.path.join(dir, file)): shutil.copy(file_path, dir) return dir class ReportProblem: def __nonzero__(self): type, value, traceback = sys.exc_info() if type is not None and issubclass(type, py_compile.PyCompileError): print "Problem with", repr(value) raise type, value, traceback return 1 report_problem = ReportProblem() def compile_file(dir): """ Compile a py file """ try: import compileall compileall.compile_dir(dir=dir, ddir=dir, force=1, quiet=report_problem) except: type, value, traceback = sys.exc_info() return value return None def _findModels(dir): """ """ # List of plugin objects plugins = {} # Go through files in plug-in directory #always recompile the folder plugin dir = find_plugins_dir() if not os.path.isdir(dir): msg = "SansView couldn't locate Model plugin folder." msg += """ "%s" does not exist""" % dir logging.warning(msg) return plugins else: log("looking for models in: %s" % str(dir)) compile_file(dir) logging.info("pluging model dir: %s\n" % str(dir)) try: list = os.listdir(dir) for item in list: toks = os.path.splitext(os.path.basename(item)) if toks[1] == '.py' and not toks[0] == '__init__': name = toks[0] path = [os.path.abspath(dir)] file = None try: (file, path, info) = imp.find_module(name, path) module = imp.load_module(name, file, item, info) if hasattr(module, "Model"): try: if _check_plugin(module.Model, name) != None: plugins[name] = module.Model except: msg = "Error accessing Model" msg += "in %s\n %s %s\n" % (name, str(sys.exc_type), sys.exc_value) log(msg) except: msg = "Error accessing Model" msg += " in %s\n %s %s \n" % (name, str(sys.exc_type), sys.exc_value) log(msg) finally: if not file == None: file.close() except: # Don't deal with bad plug-in imports. Just skip. msg = "Could not import model plugin: %s\n" % sys.exc_value log(msg) pass return plugins class ModelList(object): """ Contains dictionary of model and their type """ def __init__(self): """ """ self.mydict = {} def set_list(self, name, mylist): """ :param name: the type of the list :param mylist: the list to add """ if name not in self.mydict.keys(): self.reset_list(name, mylist) def reset_list(self, name, mylist): """ :param name: the type of the list :param mylist: the list to add """ self.mydict[name] = mylist def get_list(self): """ return all the list stored in a dictionary object """ return self.mydict class ModelManagerBase: """ Base class for the model manager """ ## external dict for models model_combobox = ModelList() ## Dictionary of form models form_factor_dict = {} ## dictionary of other struct_factor_dict = {} ##list of form factors shape_list = [] ## independent shape model list shape_indep_list = [] ##list of structure factors struct_list = [] ##list of model allowing multiplication multiplication_factor = [] ##list of multifunctional shapes multi_func_list = [] ## list of added models plugins = [] ## Event owner (guiframe) event_owner = None last_time_dir_modified = 0 def __init__(self): """ """ self.model_dictionary = {} self.stored_plugins = {} self._getModelList() def findModels(self): """ find plugin model in directory of plugin .recompile all file in the directory if file were modified """ temp = {} if self.is_changed(): return _findModels(dir) logging.info("pluging model : %s\n" % str(temp)) return temp def _getModelList(self): """ List of models we want to make available by default for this application :return: the next free event ID following the new menu events """ # regular model names only self.model_name_list = [] from sans.models.SphereModel import SphereModel self.model_dictionary[SphereModel.__name__] = SphereModel self.shape_list.append(SphereModel) self.multiplication_factor.append(SphereModel) self.model_name_list.append(SphereModel.__name__) from sans.models.BinaryHSModel import BinaryHSModel self.model_dictionary[BinaryHSModel.__name__] = BinaryHSModel self.shape_list.append(BinaryHSModel) self.model_name_list.append(BinaryHSModel.__name__) from sans.models.FuzzySphereModel import FuzzySphereModel self.model_dictionary[FuzzySphereModel.__name__] = FuzzySphereModel self.shape_list.append(FuzzySphereModel) self.multiplication_factor.append(FuzzySphereModel) self.model_name_list.append(FuzzySphereModel.__name__) from sans.models.RaspBerryModel import RaspBerryModel self.model_dictionary[RaspBerryModel.__name__] = RaspBerryModel self.shape_list.append(RaspBerryModel) self.model_name_list.append(RaspBerryModel.__name__) from sans.models.CoreShellModel import CoreShellModel self.model_dictionary[CoreShellModel.__name__] = CoreShellModel self.shape_list.append(CoreShellModel) self.multiplication_factor.append(CoreShellModel) self.model_name_list.append(CoreShellModel.__name__) from sans.models.Core2ndMomentModel import Core2ndMomentModel self.model_dictionary[Core2ndMomentModel.__name__] = Core2ndMomentModel self.shape_list.append(Core2ndMomentModel) self.model_name_list.append(Core2ndMomentModel.__name__) from sans.models.CoreMultiShellModel import CoreMultiShellModel self.model_dictionary[CoreMultiShellModel.__name__] = CoreMultiShellModel self.shape_list.append(CoreMultiShellModel) self.multiplication_factor.append(CoreMultiShellModel) self.multi_func_list.append(CoreMultiShellModel) from sans.models.VesicleModel import VesicleModel self.model_dictionary[VesicleModel.__name__] = VesicleModel self.shape_list.append(VesicleModel) self.multiplication_factor.append(VesicleModel) self.model_name_list.append(VesicleModel.__name__) from sans.models.MultiShellModel import MultiShellModel self.model_dictionary[MultiShellModel.__name__] = MultiShellModel self.shape_list.append(MultiShellModel) self.multiplication_factor.append(MultiShellModel) self.model_name_list.append(MultiShellModel.__name__) from sans.models.OnionExpShellModel import OnionExpShellModel self.model_dictionary[OnionExpShellModel.__name__] = OnionExpShellModel self.shape_list.append(OnionExpShellModel) self.multiplication_factor.append(OnionExpShellModel) self.multi_func_list.append(OnionExpShellModel) from sans.models.SphericalSLDModel import SphericalSLDModel self.model_dictionary[SphericalSLDModel.__name__] = SphericalSLDModel self.shape_list.append(SphericalSLDModel) self.multiplication_factor.append(SphericalSLDModel) self.multi_func_list.append(SphericalSLDModel) from sans.models.LinearPearlsModel import LinearPearlsModel self.model_dictionary[LinearPearlsModel.__name__] = LinearPearlsModel self.shape_list.append(LinearPearlsModel) self.model_name_list.append(LinearPearlsModel.__name__) from sans.models.PearlNecklaceModel import PearlNecklaceModel self.model_dictionary[PearlNecklaceModel.__name__] = PearlNecklaceModel self.shape_list.append(PearlNecklaceModel) self.model_name_list.append(PearlNecklaceModel.__name__) #self.multiplication_factor.append(PearlNecklaceModel) from sans.models.CylinderModel import CylinderModel self.model_dictionary[CylinderModel.__name__] = CylinderModel self.shape_list.append(CylinderModel) self.multiplication_factor.append(CylinderModel) self.model_name_list.append(CylinderModel.__name__) from sans.models.CoreShellCylinderModel import CoreShellCylinderModel self.model_dictionary[CoreShellCylinderModel.__name__] = CoreShellCylinderModel self.shape_list.append(CoreShellCylinderModel) self.multiplication_factor.append(CoreShellCylinderModel) self.model_name_list.append(CoreShellCylinderModel.__name__) from sans.models.CoreShellBicelleModel import CoreShellBicelleModel self.model_dictionary[CoreShellBicelleModel.__name__] = CoreShellBicelleModel self.shape_list.append(CoreShellBicelleModel) self.multiplication_factor.append(CoreShellBicelleModel) self.model_name_list.append(CoreShellBicelleModel.__name__) from sans.models.HollowCylinderModel import HollowCylinderModel self.model_dictionary[HollowCylinderModel.__name__] = HollowCylinderModel self.shape_list.append(HollowCylinderModel) self.multiplication_factor.append(HollowCylinderModel) self.model_name_list.append(HollowCylinderModel.__name__) from sans.models.FlexibleCylinderModel import FlexibleCylinderModel self.model_dictionary[FlexibleCylinderModel.__name__] = FlexibleCylinderModel self.shape_list.append(FlexibleCylinderModel) self.model_name_list.append(FlexibleCylinderModel.__name__) from sans.models.FlexCylEllipXModel import FlexCylEllipXModel self.model_dictionary[FlexCylEllipXModel.__name__] = FlexCylEllipXModel self.shape_list.append(FlexCylEllipXModel) self.model_name_list.append(FlexCylEllipXModel.__name__) from sans.models.StackedDisksModel import StackedDisksModel self.model_dictionary[StackedDisksModel.__name__] = StackedDisksModel self.shape_list.append(StackedDisksModel) self.multiplication_factor.append(StackedDisksModel) self.model_name_list.append(StackedDisksModel.__name__) from sans.models.ParallelepipedModel import ParallelepipedModel self.model_dictionary[ParallelepipedModel.__name__] = ParallelepipedModel self.shape_list.append(ParallelepipedModel) self.multiplication_factor.append(ParallelepipedModel) self.model_name_list.append(ParallelepipedModel.__name__) from sans.models.CSParallelepipedModel import CSParallelepipedModel self.model_dictionary[CSParallelepipedModel.__name__] = CSParallelepipedModel self.shape_list.append(CSParallelepipedModel) self.multiplication_factor.append(CSParallelepipedModel) self.model_name_list.append(CSParallelepipedModel.__name__) from sans.models.EllipticalCylinderModel import EllipticalCylinderModel self.model_dictionary[EllipticalCylinderModel.__name__] = EllipticalCylinderModel self.shape_list.append(EllipticalCylinderModel) self.multiplication_factor.append(EllipticalCylinderModel) self.model_name_list.append(EllipticalCylinderModel.__name__) from sans.models.BarBellModel import BarBellModel self.model_dictionary[BarBellModel.__name__] = BarBellModel self.shape_list.append(BarBellModel) self.model_name_list.append(BarBellModel.__name__) # not implemeted yet! #self.multiplication_factor.append(BarBellModel) from sans.models.CappedCylinderModel import CappedCylinderModel self.model_dictionary[CappedCylinderModel.__name__] = CappedCylinderModel self.shape_list.append(CappedCylinderModel) self.model_name_list.append(CappedCylinderModel.__name__) # not implemeted yet! #self.multiplication_factor.append(CappedCylinderModel) from sans.models.EllipsoidModel import EllipsoidModel self.model_dictionary[EllipsoidModel.__name__] = EllipsoidModel self.shape_list.append(EllipsoidModel) self.multiplication_factor.append(EllipsoidModel) self.model_name_list.append(EllipsoidModel.__name__) from sans.models.CoreShellEllipsoidModel import CoreShellEllipsoidModel self.model_dictionary[CoreShellEllipsoidModel.__name__] = CoreShellEllipsoidModel self.shape_list.append(CoreShellEllipsoidModel) self.multiplication_factor.append(CoreShellEllipsoidModel) self.model_name_list.append(CoreShellEllipsoidModel.__name__) from sans.models.TriaxialEllipsoidModel import TriaxialEllipsoidModel self.model_dictionary[TriaxialEllipsoidModel.__name__] = TriaxialEllipsoidModel self.shape_list.append(TriaxialEllipsoidModel) self.multiplication_factor.append(TriaxialEllipsoidModel) self.model_name_list.append(TriaxialEllipsoidModel.__name__) from sans.models.LamellarModel import LamellarModel self.model_dictionary[LamellarModel.__name__] = LamellarModel self.shape_list.append(LamellarModel) self.model_name_list.append(LamellarModel.__name__) from sans.models.LamellarFFHGModel import LamellarFFHGModel self.model_dictionary[LamellarFFHGModel.__name__] = LamellarFFHGModel self.shape_list.append(LamellarFFHGModel) self.model_name_list.append(LamellarFFHGModel.__name__) from sans.models.LamellarPSModel import LamellarPSModel self.model_dictionary[LamellarPSModel.__name__] = LamellarPSModel self.shape_list.append(LamellarPSModel) self.model_name_list.append(LamellarPSModel.__name__) from sans.models.LamellarPSHGModel import LamellarPSHGModel self.model_dictionary[LamellarPSHGModel.__name__] = LamellarPSHGModel self.shape_list.append(LamellarPSHGModel) self.model_name_list.append(LamellarPSHGModel.__name__) from sans.models.LamellarPCrystalModel import LamellarPCrystalModel self.model_dictionary[LamellarPCrystalModel.__name__] = LamellarPCrystalModel self.shape_list.append(LamellarPCrystalModel) self.model_name_list.append(LamellarPCrystalModel.__name__) from sans.models.SCCrystalModel import SCCrystalModel self.model_dictionary[SCCrystalModel.__name__] = SCCrystalModel self.shape_list.append(SCCrystalModel) self.model_name_list.append(SCCrystalModel.__name__) from sans.models.FCCrystalModel import FCCrystalModel self.model_dictionary[FCCrystalModel.__name__] = FCCrystalModel self.shape_list.append(FCCrystalModel) self.model_name_list.append(FCCrystalModel.__name__) from sans.models.BCCrystalModel import BCCrystalModel self.model_dictionary[BCCrystalModel.__name__] = BCCrystalModel self.shape_list.append(BCCrystalModel) self.model_name_list.append(BCCrystalModel.__name__) ## Structure factor from sans.models.SquareWellStructure import SquareWellStructure self.model_dictionary[SquareWellStructure.__name__] = SquareWellStructure self.struct_list.append(SquareWellStructure) self.model_name_list.append(SquareWellStructure.__name__) from sans.models.HardsphereStructure import HardsphereStructure self.model_dictionary[HardsphereStructure.__name__] = HardsphereStructure self.struct_list.append(HardsphereStructure) self.model_name_list.append(HardsphereStructure.__name__) from sans.models.StickyHSStructure import StickyHSStructure self.model_dictionary[StickyHSStructure.__name__] = StickyHSStructure self.struct_list.append(StickyHSStructure) self.model_name_list.append(StickyHSStructure.__name__) from sans.models.HayterMSAStructure import HayterMSAStructure self.model_dictionary[HayterMSAStructure.__name__] = HayterMSAStructure self.struct_list.append(HayterMSAStructure) self.model_name_list.append(HayterMSAStructure.__name__) ##shape-independent models from sans.models.PowerLawAbsModel import PowerLawAbsModel self.model_dictionary[PowerLawAbsModel.__name__] = PowerLawAbsModel self.shape_indep_list.append(PowerLawAbsModel) self.model_name_list.append(PowerLawAbsModel.__name__) from sans.models.BEPolyelectrolyte import BEPolyelectrolyte self.model_dictionary[BEPolyelectrolyte.__name__] = BEPolyelectrolyte self.shape_indep_list.append(BEPolyelectrolyte) self.model_name_list.append(BEPolyelectrolyte.__name__) self.form_factor_dict[str(wx.NewId())] = [SphereModel] from sans.models.BroadPeakModel import BroadPeakModel self.model_dictionary[BroadPeakModel.__name__] = BroadPeakModel self.shape_indep_list.append(BroadPeakModel) self.model_name_list.append(BroadPeakModel.__name__) from sans.models.CorrLengthModel import CorrLengthModel self.model_dictionary[CorrLengthModel.__name__] = CorrLengthModel self.shape_indep_list.append(CorrLengthModel) self.model_name_list.append(CorrLengthModel.__name__) from sans.models.DABModel import DABModel self.model_dictionary[DABModel.__name__] = DABModel self.shape_indep_list.append(DABModel) self.model_name_list.append(DABModel.__name__) from sans.models.DebyeModel import DebyeModel self.model_dictionary[DebyeModel.__name__] = DebyeModel self.shape_indep_list.append(DebyeModel) self.model_name_list.append(DebyeModel.__name__) from sans.models.FractalModel import FractalModel self.model_dictionary[FractalModel.__name__] = FractalModel self.shape_indep_list.append(FractalModel) self.model_name_list.append(FractalModel.__name__) from sans.models.FractalCoreShellModel import FractalCoreShellModel self.model_dictionary[FractalCoreShellModel.__name__] = FractalCoreShellModel self.shape_indep_list.append(FractalCoreShellModel) self.model_name_list.append(FractalCoreShellModel.__name__) from sans.models.GaussLorentzGelModel import GaussLorentzGelModel self.model_dictionary[GaussLorentzGelModel.__name__] = GaussLorentzGelModel self.shape_indep_list.append(GaussLorentzGelModel) self.model_name_list.append(GaussLorentzGelModel.__name__) from sans.models.GuinierModel import GuinierModel self.model_dictionary[GuinierModel.__name__] = GuinierModel self.shape_indep_list.append(GuinierModel) self.model_name_list.append(GuinierModel.__name__) from sans.models.GuinierPorodModel import GuinierPorodModel self.model_dictionary[GuinierPorodModel.__name__] = GuinierPorodModel self.shape_indep_list.append(GuinierPorodModel) self.model_name_list.append(GuinierPorodModel.__name__) from sans.models.LorentzModel import LorentzModel self.model_dictionary[LorentzModel.__name__] = LorentzModel self.shape_indep_list.append(LorentzModel) self.model_name_list.append(LorentzModel.__name__) from sans.models.MassFractalModel import MassFractalModel self.model_dictionary[MassFractalModel.__name__] = MassFractalModel self.shape_indep_list.append(MassFractalModel) self.model_name_list.append(MassFractalModel.__name__) from sans.models.MassSurfaceFractal import MassSurfaceFractal self.model_dictionary[MassSurfaceFractal.__name__] = MassSurfaceFractal self.shape_indep_list.append(MassSurfaceFractal) self.model_name_list.append(MassSurfaceFractal.__name__) from sans.models.PeakGaussModel import PeakGaussModel self.model_dictionary[PeakGaussModel.__name__] = PeakGaussModel self.shape_indep_list.append(PeakGaussModel) self.model_name_list.append(PeakGaussModel.__name__) from sans.models.PeakLorentzModel import PeakLorentzModel self.model_dictionary[PeakLorentzModel.__name__] = PeakLorentzModel self.shape_indep_list.append(PeakLorentzModel) self.model_name_list.append(PeakLorentzModel.__name__) from sans.models.Poly_GaussCoil import Poly_GaussCoil self.model_dictionary[Poly_GaussCoil.__name__] = Poly_GaussCoil self.shape_indep_list.append(Poly_GaussCoil) self.model_name_list.append(Poly_GaussCoil.__name__) from sans.models.PolymerExclVolume import PolymerExclVolume self.model_dictionary[PolymerExclVolume.__name__] = PolymerExclVolume self.shape_indep_list.append(PolymerExclVolume) self.model_name_list.append(PolymerExclVolume.__name__) from sans.models.PorodModel import PorodModel self.model_dictionary[PorodModel.__name__] = PorodModel self.shape_indep_list.append(PorodModel) self.model_name_list.append(PorodModel.__name__) from sans.models.RPA10Model import RPA10Model self.model_dictionary[RPA10Model.__name__] = RPA10Model self.shape_indep_list.append(RPA10Model) self.multi_func_list.append(RPA10Model) from sans.models.StarPolymer import StarPolymer self.model_dictionary[StarPolymer.__name__] = StarPolymer self.shape_indep_list.append(StarPolymer) self.model_name_list.append(StarPolymer.__name__) from sans.models.SurfaceFractalModel import SurfaceFractalModel self.model_dictionary[SurfaceFractalModel.__name__] = SurfaceFractalModel self.shape_indep_list.append(SurfaceFractalModel) self.model_name_list.append(SurfaceFractalModel.__name__) from sans.models.TeubnerStreyModel import TeubnerStreyModel self.model_dictionary[TeubnerStreyModel.__name__] = TeubnerStreyModel self.shape_indep_list.append(TeubnerStreyModel) self.model_name_list.append(TeubnerStreyModel.__name__) from sans.models.TwoLorentzianModel import TwoLorentzianModel self.model_dictionary[TwoLorentzianModel.__name__] = TwoLorentzianModel self.shape_indep_list.append(TwoLorentzianModel) self.model_name_list.append(TwoLorentzianModel.__name__) from sans.models.TwoPowerLawModel import TwoPowerLawModel self.model_dictionary[TwoPowerLawModel.__name__] = TwoPowerLawModel self.shape_indep_list.append(TwoPowerLawModel) self.model_name_list.append(TwoPowerLawModel.__name__) from sans.models.UnifiedPowerRgModel import UnifiedPowerRgModel self.model_dictionary[UnifiedPowerRgModel.__name__] = UnifiedPowerRgModel self.shape_indep_list.append(UnifiedPowerRgModel) self.multi_func_list.append(UnifiedPowerRgModel) from sans.models.LineModel import LineModel self.model_dictionary[LineModel.__name__] = LineModel self.shape_indep_list.append(LineModel) self.model_name_list.append(LineModel.__name__) from sans.models.ReflectivityModel import ReflectivityModel self.model_dictionary[ReflectivityModel.__name__] = ReflectivityModel self.shape_indep_list.append(ReflectivityModel) self.multi_func_list.append(ReflectivityModel) from sans.models.ReflectivityIIModel import ReflectivityIIModel self.model_dictionary[ReflectivityIIModel.__name__] = ReflectivityIIModel self.shape_indep_list.append(ReflectivityIIModel) self.multi_func_list.append(ReflectivityIIModel) from sans.models.GelFitModel import GelFitModel self.model_dictionary[GelFitModel.__name__] = GelFitModel self.shape_indep_list.append(GelFitModel) self.model_name_list.append(GelFitModel.__name__) #from sans.models.FractalO_Z import FractalO_Z #self.model_dictionary[FractalO_Z.__name__] = FractalO_Z #self.shape_indep_list.append(FractalO_Z) #self.model_name_list.append(FractalO_Z.__name__) #Looking for plugins self.stored_plugins = self.findModels() self.plugins = self.stored_plugins.values() for name, plug in self.stored_plugins.iteritems(): self.model_dictionary[name] = plug self._get_multifunc_models() return 0 def is_changed(self): """ check the last time the plugin dir has changed and return true is the directory was modified else return false """ is_modified = False plugin_dir = find_plugins_dir() if os.path.isdir(plugin_dir): temp = os.path.getmtime(plugin_dir) if self.last_time_dir_modified != temp: is_modified = True self.last_time_dir_modified = temp return is_modified def update(self): """ return a dictionary of model if new models were added else return empty dictionary """ new_plugins = self.findModels() if len(new_plugins) > 0: for name, plug in new_plugins.iteritems(): if name not in self.stored_plugins.keys(): self.stored_plugins[name] = plug self.plugins.append(plug) self.model_dictionary[name] = plug self.model_combobox.set_list("Customized Models", self.plugins) return self.model_combobox.get_list() else: return {} def pulgins_reset(self): """ return a dictionary of model """ self.plugins = [] new_plugins = _findModels(dir) for name, plug in new_plugins.iteritems(): for stored_name, stored_plug in self.stored_plugins.iteritems(): if name == stored_name: del self.stored_plugins[name] del self.model_dictionary[name] break self.stored_plugins[name] = plug self.plugins.append(plug) self.model_dictionary[name] = plug self.model_combobox.reset_list("Customized Models", self.plugins) return self.model_combobox.get_list() def populate_menu(self, modelmenu, event_owner): """ Populate a menu with our models :param id: first menu event ID to use when binding the menu events :param modelmenu: wx.Menu object to populate :param event_owner: wx object to bind the menu events to :return: the next free event ID following the new menu events """ ## Fill model lists self._getModelList() ## store reference to model menu of guiframe self.modelmenu = modelmenu ## guiframe reference self.event_owner = event_owner shape_submenu = wx.Menu() shape_indep_submenu = wx.Menu() structure_factor = wx.Menu() added_models = wx.Menu() multip_models = wx.Menu() ## create menu with shape self._fill_simple_menu(menuinfo=["Shapes", shape_submenu, " simple shape"], list1=self.shape_list) self._fill_simple_menu(menuinfo=["Shape-Independent", shape_indep_submenu, "List of shape-independent models"], list1=self.shape_indep_list) self._fill_simple_menu(menuinfo=["Structure Factors", structure_factor, "List of Structure factors models"], list1=self.struct_list) self._fill_plugin_menu(menuinfo=["Customized Models", added_models, "List of additional models"], list1=self.plugins) self._fill_menu(menuinfo=["P(Q)*S(Q)", multip_models, "mulplication of 2 models"], list1=self.multiplication_factor, list2=self.struct_list) return 0 def _fill_plugin_menu(self, menuinfo, list1): """ fill the plugin menu with costumized models """ if len(list1) == 0: id = wx.NewId() msg = "No model available check plugins.log for errors to fix problem" menuinfo[1].Append(int(id), "Empty", msg) self._fill_simple_menu(menuinfo, list1) def _fill_simple_menu(self, menuinfo, list1): """ Fill the menu with list item :param modelmenu: the menu to fill :param menuinfo: submenu item for the first column of this modelmenu with info.Should be a list : [name(string) , menu(wx.menu), help(string)] :param list1: contains item (form factor )to fill modelmenu second column """ if len(list1) > 0: self.model_combobox.set_list(menuinfo[0], list1) for item in list1: try: id = wx.NewId() struct_factor = item() struct_name = struct_factor.__class__.__name__ if hasattr(struct_factor, "name"): struct_name = struct_factor.name menuinfo[1].Append(int(id), struct_name, struct_name) if not item in self.struct_factor_dict.itervalues(): self.struct_factor_dict[str(id)] = item wx.EVT_MENU(self.event_owner, int(id), self._on_model) except: msg = "Error Occured: %s" % sys.exc_value wx.PostEvent(self.event_owner, StatusEvent(status=msg)) id = wx.NewId() self.modelmenu.AppendMenu(id, menuinfo[0], menuinfo[1], menuinfo[2]) def _fill_menu(self, menuinfo, list1, list2): """ Fill the menu with list item :param menuinfo: submenu item for the first column of this modelmenu with info.Should be a list : [name(string) , menu(wx.menu), help(string)] :param list1: contains item (form factor )to fill modelmenu second column :param list2: contains item (Structure factor )to fill modelmenu third column """ if len(list1) > 0: self.model_combobox.set_list(menuinfo[0], list1) for item in list1: form_factor = item() form_name = form_factor.__class__.__name__ if hasattr(form_factor, "name"): form_name = form_factor.name ### store form factor to return to other users newmenu = wx.Menu() if len(list2) > 0: for model in list2: id = wx.NewId() struct_factor = model() name = struct_factor.__class__.__name__ if hasattr(struct_factor, "name"): name = struct_factor.name newmenu.Append(id, name, name) wx.EVT_MENU(self.event_owner, int(id), self._on_model) ## save form_fact and struct_fact self.form_factor_dict[int(id)] = [form_factor, struct_factor] form_id = wx.NewId() menuinfo[1].AppendMenu(int(form_id), form_name, newmenu, menuinfo[2]) id = wx.NewId() self.modelmenu.AppendMenu(id, menuinfo[0], menuinfo[1], menuinfo[2]) def _on_model(self, evt): """ React to a model menu event :param event: wx menu event """ if int(evt.GetId()) in self.form_factor_dict.keys(): from sans.models.MultiplicationModel import MultiplicationModel self.model_dictionary[MultiplicationModel.__name__] = MultiplicationModel model1, model2 = self.form_factor_dict[int(evt.GetId())] model = MultiplicationModel(model1, model2) else: model = self.struct_factor_dict[str(evt.GetId())]() #TODO: investigate why the following two lines were left in the code # even though the ModelEvent class doesn't exist #evt = ModelEvent(model=model) #wx.PostEvent(self.event_owner, evt) def _get_multifunc_models(self): """ Get the multifunctional models """ for item in self.plugins: try: # check the multiplicity if any if item.multiplicity_info[0] > 1: self.multi_func_list.append(item) except: # pass to other items pass def get_model_list(self): """ return dictionary of models for fitpanel use """ self.model_combobox.set_list("Shapes", self.shape_list) self.model_combobox.set_list("Shape-Independent", self.shape_indep_list) self.model_combobox.set_list("Structure Factors", self.struct_list) self.model_combobox.set_list("Customized Models", self.plugins) self.model_combobox.set_list("P(Q)*S(Q)", self.multiplication_factor) self.model_combobox.set_list("multiplication", self.multiplication_factor) self.model_combobox.set_list("Multi-Functions", self.multi_func_list) return self.model_combobox.get_list() def get_model_name_list(self): """ return regular model name list """ return self.model_name_list def get_model_dictionary(self): """ return dictionary linking model names to objects """ return self.model_dictionary class ModelManager(object): """ implement model """ __modelmanager = ModelManagerBase() cat_model_list = [model_name for model_name \ in __modelmanager.model_dictionary.keys() \ if model_name not in __modelmanager.stored_plugins.keys()] CategoryInstaller.check_install(model_list=cat_model_list) def findModels(self): return self.__modelmanager.findModels() def _getModelList(self): return self.__modelmanager._getModelList() def is_changed(self): return self.__modelmanager.is_changed() def update(self): return self.__modelmanager.update() def pulgins_reset(self): return self.__modelmanager.pulgins_reset() def populate_menu(self, modelmenu, event_owner): return self.__modelmanager.populate_menu(modelmenu, event_owner) def _on_model(self, evt): return self.__modelmanager._on_model(evt) def _get_multifunc_models(self): return self.__modelmanager._get_multifunc_models() def get_model_list(self): return self.__modelmanager.get_model_list() def get_model_name_list(self): return self.__modelmanager.get_model_name_list() def get_model_dictionary(self): return self.__modelmanager.get_model_dictionary()