source: sasview/theoryview/perspectives/theory/models.py @ 3562fbc

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 3562fbc was 0277d084, checked in by Gervaise Alina <gervyh@…>, 15 years ago

add theory view

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1#TODO: add comments to document this module
2#TODO: clean-up the exception handling.
3
4#TODO: clean-up the FractalAbsModel and PowerLawAbsModel menu items. Those
5#      model definitions do not belong here. They belong with the rest of the
6#      models.
7
8import wx
9import wx.lib.newevent
10import imp
11import os,sys,math
12import os.path
13
14(ModelEvent, EVT_MODEL) = wx.lib.newevent.NewEvent()
15from sans.guicomm.events import StatusEvent 
16# Time is needed by the log method
17import time
18
19# Explicitly import from the pluginmodel module so that py2exe
20# places it in the distribution. The Model1DPlugin class is used
21# as the base class of plug-in models.
22from sans.models.pluginmodel import Model1DPlugin
23   
24def log(message):
25    out = open("plugins.log", 'a')
26    out.write("%10g%s\n" % (time.clock(), message))
27    out.close()
28
29def findModels():
30    log("looking for models in: %s/plugins" % os.getcwd())
31    if os.path.isdir('plugins'):
32        return _findModels('plugins')
33    return []
34   
35def _check_plugin(model, name):
36    """
37        Do some checking before model adding plugins in the list
38        @param model: class model to add into the plugin list
39        @param name:name of the module plugin
40        @return model: model if valid model or None if not valid
41    """
42    #Check is the plugin is of type Model1DPlugin
43    if not issubclass(model, Model1DPlugin):
44        msg= "Plugin %s must be of type Model1DPlugin \n"%str(name)
45        log(msg)
46        return None
47    if model.__name__!="Model":
48        msg= "Plugin %s class name must be Model \n"%str(name)
49        log(msg)
50        return None
51    try:
52        new_instance= model()
53    except:
54        msg="Plugin %s error in __init__ \n\t: %s %s\n"%(str(name),
55                                    str(sys.exc_type),sys.exc_value)
56        log(msg)
57        return None
58   
59    new_instance= model() 
60    if hasattr(new_instance,"function"):
61        try:
62           value=new_instance.function()
63        except:
64           msg="Plugin %s: error writing function \n\t :%s %s\n "%(str(name),
65                                    str(sys.exc_type),sys.exc_value)
66           log(msg)
67           return None
68    else:
69       msg="Plugin  %s needs a method called function \n"%str(name)
70       log(msg)
71       return None
72    return model
73 
74 
75def _findModels(dir):
76    # List of plugin objects
77    plugins = []
78    # Go through files in plug-in directory
79    try:
80        list = os.listdir(dir)
81        for item in list:
82            toks = os.path.splitext(os.path.basename(item))
83            if toks[1]=='.py' and not toks[0]=='__init__':
84                name = toks[0]
85           
86                path = [os.path.abspath(dir)]
87                file = None
88                try:
89                    (file, path, info) = imp.find_module(name, path)
90                    module = imp.load_module( name, file, item, info )
91                    if hasattr(module, "Model"):
92                        try:
93                            if _check_plugin(module.Model, name)!=None:
94                                plugins.append(module.Model)
95                        except:
96                            msg="Error accessing Model"
97                            msg+="in %s\n  %s %s\n" % (name,
98                                    str(sys.exc_type), sys.exc_value)
99                            log(msg)
100                except:
101                    msg="Error accessing Model"
102                    msg +=" in %s\n  %s %s \n" %(name,
103                                    str(sys.exc_type), sys.exc_value)
104                    log(msg)
105                finally:
106             
107                    if not file==None:
108                        file.close()
109    except:
110        # Don't deal with bad plug-in imports. Just skip.
111        pass
112    return plugins
113
114class ModelList(object):
115    """
116        Contains dictionary of model and their type
117    """
118    def __init__(self):
119        self.mydict={}
120       
121    def set_list(self, name, mylist):
122        """
123            @param name: the type of the list
124            @param mylist: the list to add
125        """
126        if name not in self.mydict.keys():
127            self.mydict[name] = mylist
128           
129           
130    def get_list(self):
131        """
132         return all the list stored in a dictionary object
133        """
134        return self.mydict
135       
136class ModelManager:
137    ## external dict for models
138    model_combobox = ModelList()
139    ## Dictionary of form models
140    form_factor_dict = {}
141    ## dictionary of other
142    struct_factor_dict = {}
143    ##list of form factors
144    shape_list =[]
145    ## independent shape model list
146    shape_indep_list = []
147    ##list of structure factors
148    struct_list= []
149    ##list of model allowing multiplication
150    multiplication_factor=[]
151    ## list of added models
152    plugins=[]
153    ## Event owner (guiframe)
154    event_owner = None
155   
156    def _getModelList(self):
157        """
158            List of models we want to make available by default
159            for this application
160       
161            @return: the next free event ID following the new menu events
162        """
163        ## form factor
164        from sans.models.SphereModel import SphereModel
165        self.shape_list.append(SphereModel)
166        self.multiplication_factor.append(SphereModel)
167       
168        from sans.models.CoreShellModel import CoreShellModel
169        self.shape_list.append(CoreShellModel)
170        self.multiplication_factor.append(CoreShellModel)
171       
172        from sans.models.VesicleModel import VesicleModel
173        self.shape_list.append(VesicleModel)
174        self.multiplication_factor.append(VesicleModel)
175       
176        from sans.models.MultiShellModel import MultiShellModel
177        self.shape_list.append(MultiShellModel)
178        self.multiplication_factor.append(MultiShellModel)
179       
180        from sans.models.BinaryHSModel import BinaryHSModel
181        self.shape_list.append(BinaryHSModel)
182       
183        from sans.models.CylinderModel import CylinderModel
184        self.shape_list.append(CylinderModel)
185        self.multiplication_factor.append(CylinderModel)
186       
187        from sans.models.CoreShellCylinderModel import CoreShellCylinderModel
188        self.shape_list.append(CoreShellCylinderModel)
189        self.multiplication_factor.append(CoreShellCylinderModel)
190       
191        from sans.models.HollowCylinderModel import HollowCylinderModel
192        self.shape_list.append(HollowCylinderModel)
193        self.multiplication_factor.append(HollowCylinderModel)
194             
195        from sans.models.FlexibleCylinderModel import FlexibleCylinderModel
196        self.shape_list.append(FlexibleCylinderModel)
197
198       
199        from sans.models.StackedDisksModel import StackedDisksModel
200        self.shape_list.append(StackedDisksModel)
201        self.multiplication_factor.append(StackedDisksModel)
202       
203        from sans.models.ParallelepipedModel import ParallelepipedModel
204        self.shape_list.append(ParallelepipedModel)
205        self.multiplication_factor.append(ParallelepipedModel)
206       
207        from sans.models.EllipticalCylinderModel import EllipticalCylinderModel
208        self.shape_list.append(EllipticalCylinderModel)
209        self.multiplication_factor.append(EllipticalCylinderModel)
210               
211        from sans.models.EllipsoidModel import EllipsoidModel
212        self.shape_list.append(EllipsoidModel)
213        self.multiplication_factor.append(EllipsoidModel)
214     
215        from sans.models.CoreShellEllipsoidModel import CoreShellEllipsoidModel
216        self.shape_list.append(CoreShellEllipsoidModel)
217        self.multiplication_factor.append(CoreShellEllipsoidModel)
218         
219        from sans.models.TriaxialEllipsoidModel import TriaxialEllipsoidModel
220        self.shape_list.append(TriaxialEllipsoidModel)
221        self.multiplication_factor.append(TriaxialEllipsoidModel)
222       
223        from sans.models.LamellarModel import LamellarModel
224        self.shape_list.append(LamellarModel)
225       
226        from sans.models.LamellarFFHGModel import LamellarFFHGModel
227        self.shape_list.append(LamellarFFHGModel)
228       
229        from sans.models.LamellarPSModel import LamellarPSModel
230        self.shape_list.append(LamellarPSModel)
231     
232        from sans.models.LamellarPSHGModel import LamellarPSHGModel
233        self.shape_list.append(LamellarPSHGModel)
234     
235        ## Structure factor
236        from sans.models.SquareWellStructure import SquareWellStructure
237        self.struct_list.append(SquareWellStructure)
238       
239        from sans.models.HardsphereStructure import HardsphereStructure
240        self.struct_list.append(HardsphereStructure)
241         
242        from sans.models.StickyHSStructure import StickyHSStructure
243        self.struct_list.append(StickyHSStructure)
244       
245        from sans.models.HayterMSAStructure import HayterMSAStructure
246        self.struct_list.append(HayterMSAStructure)
247       
248       
249        ##shape-independent models
250        from sans.models.BEPolyelectrolyte import BEPolyelectrolyte
251        self.shape_indep_list.append(BEPolyelectrolyte )
252        self.form_factor_dict[str(wx.NewId())] =  [SphereModel]
253        from sans.models.DABModel import DABModel
254        self.shape_indep_list.append(DABModel )
255       
256        from sans.models.GuinierModel import GuinierModel
257        self.shape_indep_list.append(GuinierModel )
258       
259        from sans.models.DebyeModel import DebyeModel
260        self.shape_indep_list.append(DebyeModel )
261       
262        from sans.models.PorodModel import PorodModel
263        self.shape_indep_list.append(PorodModel )
264       
265        from sans.models.PeakGaussModel import PeakGaussModel
266        self.shape_indep_list.append(PeakGaussModel)
267       
268        from sans.models.PeakLorentzModel import PeakLorentzModel
269        self.shape_indep_list.append(PeakLorentzModel)
270       
271        from sans.models.FractalAbsModel import FractalAbsModel
272        self.shape_indep_list.append(FractalAbsModel)
273       
274        from sans.models.LorentzModel import LorentzModel
275        self.shape_indep_list.append( LorentzModel) 
276           
277        from sans.models.PowerLawAbsModel import PowerLawAbsModel
278        self.shape_indep_list.append( PowerLawAbsModel )
279       
280        from sans.models.TeubnerStreyModel import TeubnerStreyModel
281        self.shape_indep_list.append(TeubnerStreyModel )
282       
283        from sans.models.LineModel import LineModel
284        self.shape_indep_list.append(LineModel)
285   
286        #Looking for plugins
287        self.plugins = findModels()
288       
289        return 0
290
291 
292    def get_model_list(self):   
293        """ @ return dictionary of models for fitpanel use """
294        self._getModelList()
295        self.model_combobox.set_list("Shapes", self.shape_list)
296        self.model_combobox.set_list("Shape-Independent", self.shape_indep_list)
297        self.model_combobox.set_list("Structure Factors", self.struct_list)
298        self.model_combobox.set_list("Customized Models", self.plugins)
299        self.model_combobox.set_list("P(Q)*S(Q)", self.multiplication_factor)
300        self.model_combobox.set_list("multiplication", self.multiplication_factor)
301       
302        return self.model_combobox
303   
304 
305       
306   
307   
308 
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