| 1 | #TODO: add comments to document this module |
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| 2 | #TODO: clean-up the exception handling. |
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| 3 | |
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| 4 | #TODO: clean-up the FractalAbsModel and PowerLawAbsModel menu items. Those |
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| 5 | # model definitions do not belong here. They belong with the rest of the |
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| 6 | # models. |
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| 7 | |
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| 8 | import wx |
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| 9 | import wx.lib.newevent |
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| 10 | import imp |
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| 11 | import os,sys,math |
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| 12 | import os.path |
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| 13 | |
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| 14 | (ModelEvent, EVT_MODEL) = wx.lib.newevent.NewEvent() |
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| 15 | from sans.guicomm.events import StatusEvent |
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| 16 | # Time is needed by the log method |
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| 17 | import time |
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| 18 | |
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| 19 | # Explicitly import from the pluginmodel module so that py2exe |
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| 20 | # places it in the distribution. The Model1DPlugin class is used |
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| 21 | # as the base class of plug-in models. |
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| 22 | from sans.models.pluginmodel import Model1DPlugin |
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| 23 | |
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| 24 | def log(message): |
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| 25 | out = open("plugins.log", 'a') |
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| 26 | out.write("%10g: %s\n" % (time.clock(), message)) |
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| 27 | out.close() |
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| 28 | |
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| 29 | def findModels(): |
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| 30 | log("looking for models in: %s/plugins" % os.getcwd()) |
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| 31 | if os.path.isdir('plugins'): |
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| 32 | return _findModels('plugins') |
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| 33 | return [] |
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| 34 | |
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| 35 | def _check_plugin(model, name): |
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| 36 | """ |
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| 37 | Do some checking before model adding plugins in the list |
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| 38 | @param model: class model to add into the plugin list |
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| 39 | @param name:name of the module plugin |
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| 40 | @return model: model if valid model or None if not valid |
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| 41 | """ |
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| 42 | #Check is the plugin is of type Model1DPlugin |
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| 43 | if not issubclass(model, Model1DPlugin): |
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| 44 | msg= "Plugin %s must be of type Model1DPlugin \n"%str(name) |
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| 45 | log(msg) |
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| 46 | return None |
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| 47 | if model.__name__!="Model": |
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| 48 | msg= "Plugin %s class name must be Model \n"%str(name) |
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| 49 | log(msg) |
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| 50 | return None |
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| 51 | try: |
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| 52 | new_instance= model() |
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| 53 | except: |
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| 54 | msg="Plugin %s error in __init__ \n\t: %s %s\n"%(str(name), |
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| 55 | str(sys.exc_type),sys.exc_value) |
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| 56 | log(msg) |
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| 57 | return None |
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| 58 | |
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| 59 | new_instance= model() |
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| 60 | if hasattr(new_instance,"function"): |
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| 61 | try: |
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| 62 | value=new_instance.function() |
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| 63 | except: |
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| 64 | msg="Plugin %s: error writing function \n\t :%s %s\n "%(str(name), |
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| 65 | str(sys.exc_type),sys.exc_value) |
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| 66 | log(msg) |
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| 67 | return None |
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| 68 | else: |
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| 69 | msg="Plugin %s needs a method called function \n"%str(name) |
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| 70 | log(msg) |
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| 71 | return None |
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| 72 | return model |
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| 73 | |
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| 74 | |
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| 75 | def _findModels(dir): |
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| 76 | # List of plugin objects |
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| 77 | plugins = [] |
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| 78 | # Go through files in plug-in directory |
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| 79 | try: |
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| 80 | list = os.listdir(dir) |
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| 81 | for item in list: |
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| 82 | toks = os.path.splitext(os.path.basename(item)) |
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| 83 | if toks[1]=='.py' and not toks[0]=='__init__': |
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| 84 | name = toks[0] |
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| 85 | |
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| 86 | path = [os.path.abspath(dir)] |
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| 87 | file = None |
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| 88 | try: |
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| 89 | (file, path, info) = imp.find_module(name, path) |
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| 90 | module = imp.load_module( name, file, item, info ) |
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| 91 | if hasattr(module, "Model"): |
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| 92 | try: |
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| 93 | if _check_plugin(module.Model, name)!=None: |
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| 94 | plugins.append(module.Model) |
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| 95 | except: |
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| 96 | msg="Error accessing Model" |
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| 97 | msg+="in %s\n %s %s\n" % (name, |
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| 98 | str(sys.exc_type), sys.exc_value) |
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| 99 | log(msg) |
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| 100 | except: |
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| 101 | msg="Error accessing Model" |
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| 102 | msg +=" in %s\n %s %s \n" %(name, |
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| 103 | str(sys.exc_type), sys.exc_value) |
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| 104 | log(msg) |
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| 105 | finally: |
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| 106 | |
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| 107 | if not file==None: |
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| 108 | file.close() |
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| 109 | except: |
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| 110 | # Don't deal with bad plug-in imports. Just skip. |
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| 111 | pass |
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| 112 | return plugins |
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| 113 | |
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| 114 | class ModelList(object): |
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| 115 | """ |
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| 116 | Contains dictionary of model and their type |
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| 117 | """ |
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| 118 | def __init__(self): |
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| 119 | self.mydict={} |
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| 120 | |
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| 121 | def set_list(self, name, mylist): |
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| 122 | """ |
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| 123 | @param name: the type of the list |
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| 124 | @param mylist: the list to add |
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| 125 | """ |
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| 126 | if name not in self.mydict.keys(): |
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| 127 | self.mydict[name] = mylist |
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| 128 | |
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| 129 | |
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| 130 | def get_list(self): |
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| 131 | """ |
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| 132 | return all the list stored in a dictionary object |
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| 133 | """ |
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| 134 | return self.mydict |
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| 135 | |
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| 136 | class ModelManager: |
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| 137 | ## external dict for models |
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| 138 | model_combobox = ModelList() |
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| 139 | ## Dictionary of form models |
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| 140 | form_factor_dict = {} |
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| 141 | ## dictionary of other |
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| 142 | struct_factor_dict = {} |
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| 143 | ##list of form factors |
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| 144 | shape_list =[] |
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| 145 | ## independent shape model list |
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| 146 | shape_indep_list = [] |
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| 147 | ##list of structure factors |
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| 148 | struct_list= [] |
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| 149 | ##list of model allowing multiplication |
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| 150 | multiplication_factor=[] |
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| 151 | ## list of added models |
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| 152 | plugins=[] |
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| 153 | ## Event owner (guiframe) |
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| 154 | event_owner = None |
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| 155 | |
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| 156 | def _getModelList(self): |
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| 157 | """ |
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| 158 | List of models we want to make available by default |
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| 159 | for this application |
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| 160 | |
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| 161 | @return: the next free event ID following the new menu events |
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| 162 | """ |
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| 163 | ## form factor |
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| 164 | from sans.models.SphereModel import SphereModel |
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| 165 | self.shape_list.append(SphereModel) |
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| 166 | self.multiplication_factor.append(SphereModel) |
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| 167 | |
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| 168 | from sans.models.CoreShellModel import CoreShellModel |
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| 169 | self.shape_list.append(CoreShellModel) |
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| 170 | self.multiplication_factor.append(CoreShellModel) |
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| 171 | |
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| 172 | from sans.models.VesicleModel import VesicleModel |
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| 173 | self.shape_list.append(VesicleModel) |
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| 174 | self.multiplication_factor.append(VesicleModel) |
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| 175 | |
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| 176 | from sans.models.MultiShellModel import MultiShellModel |
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| 177 | self.shape_list.append(MultiShellModel) |
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| 178 | self.multiplication_factor.append(MultiShellModel) |
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| 179 | |
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| 180 | from sans.models.BinaryHSModel import BinaryHSModel |
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| 181 | self.shape_list.append(BinaryHSModel) |
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| 182 | |
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| 183 | from sans.models.CylinderModel import CylinderModel |
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| 184 | self.shape_list.append(CylinderModel) |
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| 185 | self.multiplication_factor.append(CylinderModel) |
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| 186 | |
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| 187 | from sans.models.CoreShellCylinderModel import CoreShellCylinderModel |
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| 188 | self.shape_list.append(CoreShellCylinderModel) |
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| 189 | self.multiplication_factor.append(CoreShellCylinderModel) |
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| 190 | |
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| 191 | from sans.models.HollowCylinderModel import HollowCylinderModel |
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| 192 | self.shape_list.append(HollowCylinderModel) |
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| 193 | self.multiplication_factor.append(HollowCylinderModel) |
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| 194 | |
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| 195 | from sans.models.FlexibleCylinderModel import FlexibleCylinderModel |
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| 196 | self.shape_list.append(FlexibleCylinderModel) |
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| 197 | |
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| 198 | |
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| 199 | from sans.models.StackedDisksModel import StackedDisksModel |
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| 200 | self.shape_list.append(StackedDisksModel) |
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| 201 | self.multiplication_factor.append(StackedDisksModel) |
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| 202 | |
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| 203 | from sans.models.ParallelepipedModel import ParallelepipedModel |
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| 204 | self.shape_list.append(ParallelepipedModel) |
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| 205 | self.multiplication_factor.append(ParallelepipedModel) |
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| 206 | |
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| 207 | from sans.models.EllipticalCylinderModel import EllipticalCylinderModel |
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| 208 | self.shape_list.append(EllipticalCylinderModel) |
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| 209 | self.multiplication_factor.append(EllipticalCylinderModel) |
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| 210 | |
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| 211 | from sans.models.EllipsoidModel import EllipsoidModel |
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| 212 | self.shape_list.append(EllipsoidModel) |
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| 213 | self.multiplication_factor.append(EllipsoidModel) |
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| 214 | |
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| 215 | from sans.models.CoreShellEllipsoidModel import CoreShellEllipsoidModel |
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| 216 | self.shape_list.append(CoreShellEllipsoidModel) |
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| 217 | self.multiplication_factor.append(CoreShellEllipsoidModel) |
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| 218 | |
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| 219 | from sans.models.TriaxialEllipsoidModel import TriaxialEllipsoidModel |
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| 220 | self.shape_list.append(TriaxialEllipsoidModel) |
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| 221 | self.multiplication_factor.append(TriaxialEllipsoidModel) |
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| 222 | |
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| 223 | from sans.models.LamellarModel import LamellarModel |
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| 224 | self.shape_list.append(LamellarModel) |
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| 225 | |
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| 226 | from sans.models.LamellarFFHGModel import LamellarFFHGModel |
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| 227 | self.shape_list.append(LamellarFFHGModel) |
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| 228 | |
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| 229 | from sans.models.LamellarPSModel import LamellarPSModel |
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| 230 | self.shape_list.append(LamellarPSModel) |
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| 231 | |
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| 232 | from sans.models.LamellarPSHGModel import LamellarPSHGModel |
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| 233 | self.shape_list.append(LamellarPSHGModel) |
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| 234 | |
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| 235 | ## Structure factor |
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| 236 | from sans.models.SquareWellStructure import SquareWellStructure |
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| 237 | self.struct_list.append(SquareWellStructure) |
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| 238 | |
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| 239 | from sans.models.HardsphereStructure import HardsphereStructure |
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| 240 | self.struct_list.append(HardsphereStructure) |
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| 241 | |
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| 242 | from sans.models.StickyHSStructure import StickyHSStructure |
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| 243 | self.struct_list.append(StickyHSStructure) |
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| 244 | |
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| 245 | from sans.models.HayterMSAStructure import HayterMSAStructure |
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| 246 | self.struct_list.append(HayterMSAStructure) |
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| 247 | |
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| 248 | |
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| 249 | ##shape-independent models |
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| 250 | from sans.models.BEPolyelectrolyte import BEPolyelectrolyte |
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| 251 | self.shape_indep_list.append(BEPolyelectrolyte ) |
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| 252 | self.form_factor_dict[str(wx.NewId())] = [SphereModel] |
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| 253 | from sans.models.DABModel import DABModel |
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| 254 | self.shape_indep_list.append(DABModel ) |
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| 255 | |
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| 256 | from sans.models.GuinierModel import GuinierModel |
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| 257 | self.shape_indep_list.append(GuinierModel ) |
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| 258 | |
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| 259 | from sans.models.DebyeModel import DebyeModel |
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| 260 | self.shape_indep_list.append(DebyeModel ) |
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| 261 | |
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| 262 | from sans.models.PorodModel import PorodModel |
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| 263 | self.shape_indep_list.append(PorodModel ) |
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| 264 | |
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| 265 | from sans.models.PeakGaussModel import PeakGaussModel |
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| 266 | self.shape_indep_list.append(PeakGaussModel) |
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| 267 | |
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| 268 | from sans.models.PeakLorentzModel import PeakLorentzModel |
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| 269 | self.shape_indep_list.append(PeakLorentzModel) |
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| 270 | |
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| 271 | from sans.models.FractalModel import FractalModel |
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| 272 | class FractalAbsModel(FractalModel): |
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| 273 | def _Fractal(self, x): |
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| 274 | return FractalModel._Fractal(self, math.fabs(x)) |
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| 275 | self.shape_indep_list.append(FractalAbsModel) |
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| 276 | |
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| 277 | from sans.models.LorentzModel import LorentzModel |
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| 278 | self.shape_indep_list.append( LorentzModel) |
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| 279 | |
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| 280 | from sans.models.PowerLawModel import PowerLawModel |
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| 281 | class PowerLawAbsModel(PowerLawModel): |
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| 282 | def _PowerLaw(self, x): |
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| 283 | try: |
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| 284 | return PowerLawModel._PowerLaw(self, math.fabs(x)) |
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| 285 | except: |
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| 286 | print sys.exc_value |
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| 287 | self.shape_indep_list.append( PowerLawAbsModel ) |
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| 288 | from sans.models.TeubnerStreyModel import TeubnerStreyModel |
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| 289 | self.shape_indep_list.append(TeubnerStreyModel ) |
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| 290 | |
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| 291 | from sans.models.LineModel import LineModel |
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| 292 | self.shape_indep_list.append(LineModel) |
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| 293 | |
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| 294 | #Looking for plugins |
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| 295 | self.plugins = findModels() |
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| 296 | |
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| 297 | return 0 |
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| 298 | |
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| 299 | |
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| 300 | def populate_menu(self, modelmenu, event_owner): |
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| 301 | """ |
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| 302 | Populate a menu with our models |
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| 303 | |
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| 304 | @param id: first menu event ID to use when binding the menu events |
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| 305 | @param modelmenu: wx.Menu object to populate |
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| 306 | @param event_owner: wx object to bind the menu events to |
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| 307 | @return: the next free event ID following the new menu events |
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| 308 | """ |
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| 309 | ## Fill model lists |
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| 310 | self._getModelList() |
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| 311 | ## store reference to model menu of guiframe |
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| 312 | self.modelmenu = modelmenu |
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| 313 | ## guiframe reference |
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| 314 | self.event_owner = event_owner |
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| 315 | |
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| 316 | |
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| 317 | shape_submenu = wx.Menu() |
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| 318 | shape_indep_submenu = wx.Menu() |
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| 319 | structure_factor = wx.Menu() |
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| 320 | added_models = wx.Menu() |
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| 321 | multip_models = wx.Menu() |
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| 322 | ## create menu with shape |
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| 323 | self._fill_simple_menu( menuinfo = ["Shapes",shape_submenu," simple shape"], |
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| 324 | list1 = self.shape_list ) |
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| 325 | |
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| 326 | self._fill_simple_menu( menuinfo = ["Shape-Independent",shape_indep_submenu, |
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| 327 | "List of shape-independent models"], |
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| 328 | list1 = self.shape_indep_list ) |
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| 329 | |
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| 330 | self._fill_simple_menu( menuinfo= ["Structure Factors",structure_factor, |
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| 331 | "List of Structure factors models" ], |
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| 332 | list1= self.struct_list ) |
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| 333 | |
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| 334 | self._fill_plugin_menu( menuinfo = ["Customized Models", added_models, |
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| 335 | "List of additional models"], |
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| 336 | list1= self.plugins ) |
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| 337 | |
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| 338 | self._fill_menu(menuinfo=["P(Q)*S(Q)",multip_models, |
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| 339 | "mulplication of 2 models"], |
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| 340 | list1 = self.multiplication_factor , |
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| 341 | list2 = self.struct_list) |
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| 342 | |
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| 343 | |
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| 344 | return 0 |
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| 345 | |
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| 346 | def _fill_plugin_menu(self,menuinfo, list1): |
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| 347 | """ |
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| 348 | fill the plugin menu with costumized models |
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| 349 | """ |
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| 350 | if len(list1)==0: |
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| 351 | id = wx.NewId() |
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| 352 | msg= "No model available check plugins.log for errors to fix problem" |
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| 353 | menuinfo[1].Append(int(id),"Empty",msg) |
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| 354 | self._fill_simple_menu( menuinfo,list1) |
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| 355 | |
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| 356 | |
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| 357 | def _fill_simple_menu(self,menuinfo, list1): |
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| 358 | """ |
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| 359 | Fill the menu with list item |
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| 360 | @param modelmenu: the menu to fill |
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| 361 | @param menuinfo: submenu item for the first column of this modelmenu |
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| 362 | with info.Should be a list : |
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| 363 | [name(string) , menu(wx.menu), help(string)] |
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| 364 | @param list1: contains item (form factor )to fill modelmenu second column |
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| 365 | """ |
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| 366 | if len(list1)>0: |
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| 367 | self.model_combobox.set_list(menuinfo[0],list1) |
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| 368 | |
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| 369 | for item in list1: |
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| 370 | try: |
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| 371 | id = wx.NewId() |
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| 372 | struct_factor=item() |
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| 373 | struct_name = struct_factor.__class__.__name__ |
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| 374 | if hasattr(struct_factor, "name"): |
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| 375 | struct_name = struct_factor.name |
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| 376 | |
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| 377 | menuinfo[1].Append(int(id),struct_name,struct_name) |
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| 378 | if not item in self.struct_factor_dict.itervalues(): |
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| 379 | self.struct_factor_dict[str(id)]= item |
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| 380 | wx.EVT_MENU(self.event_owner, int(id), self._on_model) |
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| 381 | except: |
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| 382 | msg= "Error Occured: %s"%sys.exc_value |
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| 383 | wx.PostEvent(self.event_owner, StatusEvent(status=msg)) |
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| 384 | |
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| 385 | id = wx.NewId() |
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| 386 | self.modelmenu.AppendMenu(id, menuinfo[0],menuinfo[1],menuinfo[2]) |
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| 387 | |
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| 388 | |
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| 389 | |
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| 390 | def _fill_menu(self,menuinfo, list1,list2 ): |
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| 391 | """ |
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| 392 | Fill the menu with list item |
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| 393 | @param menuinfo: submenu item for the first column of this modelmenu |
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| 394 | with info.Should be a list : |
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| 395 | [name(string) , menu(wx.menu), help(string)] |
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| 396 | @param list1: contains item (form factor )to fill modelmenu second column |
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| 397 | @param list2: contains item (Structure factor )to fill modelmenu third column |
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| 398 | """ |
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| 399 | if len(list1)>0: |
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| 400 | self.model_combobox.set_list(menuinfo[0],list1) |
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| 401 | |
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| 402 | for item in list1: |
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| 403 | form_factor= item() |
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| 404 | form_name = form_factor.__class__.__name__ |
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| 405 | if hasattr(form_factor, "name"): |
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| 406 | form_name = form_factor.name |
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| 407 | ### store form factor to return to other users |
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| 408 | newmenu= wx.Menu() |
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| 409 | if len(list2)>0: |
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| 410 | for model in list2: |
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| 411 | id = wx.NewId() |
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| 412 | struct_factor = model() |
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| 413 | name = struct_factor.__class__.__name__ |
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| 414 | if hasattr(struct_factor, "name"): |
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| 415 | name = struct_factor.name |
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| 416 | newmenu.Append(id,name, name) |
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| 417 | wx.EVT_MENU(self.event_owner, int(id), self._on_model) |
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| 418 | ## save form_fact and struct_fact |
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| 419 | self.form_factor_dict[int(id)] = [form_factor,struct_factor] |
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| 420 | |
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| 421 | form_id= wx.NewId() |
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| 422 | menuinfo[1].AppendMenu(int(form_id), form_name,newmenu,menuinfo[2]) |
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| 423 | id=wx.NewId() |
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| 424 | self.modelmenu.AppendMenu(id,menuinfo[0],menuinfo[1], menuinfo[2]) |
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| 425 | |
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| 426 | |
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| 427 | |
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| 428 | |
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| 429 | def _on_model(self, evt): |
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| 430 | """ |
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| 431 | React to a model menu event |
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| 432 | @param event: wx menu event |
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| 433 | """ |
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| 434 | if int(evt.GetId()) in self.form_factor_dict.keys(): |
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| 435 | from sans.models.MultiplicationModel import MultiplicationModel |
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| 436 | model1, model2 = self.form_factor_dict[int(evt.GetId())] |
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| 437 | model = MultiplicationModel(model1, model2) |
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| 438 | |
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| 439 | else: |
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| 440 | model= self.struct_factor_dict[str(evt.GetId())]() |
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| 441 | |
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| 442 | evt = ModelEvent( model= model ) |
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| 443 | wx.PostEvent(self.event_owner, evt) |
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| 444 | |
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| 445 | def get_model_list(self): |
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| 446 | """ @ return dictionary of models for fitpanel use """ |
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| 447 | self.model_combobox.set_list("multiplication", self.multiplication_factor) |
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| 448 | return self.model_combobox |
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| 449 | |
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| 450 | |
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| 451 | |
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| 452 | |
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| 453 | |
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| 454 | |
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