src/KERNEL_PY/salome_notebook.py

   1 #  -*- coding: iso-8859-1 -*-
   2 # Copyright (C) 2007-2014  CEA/DEN, EDF R&D, OPEN CASCADE
   3 #
   4 # This library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8 #
   9 # This library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with this library; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 #
  18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  19 #
  20
  21 #  File   : salome_notebook.py
  22 #  Author : Roman NIKOLAEV, Open CASCADE S.A.S.
  23 #  Module : SALOME
  24 #  $Header:
  25 #
  26 """
  27 Module salome_notebook gives access to Salome Notebook.
  28 """
  29
  30 import salome
  31
  32 class PseudoStudyForNoteBook(object):
  33
  34     def __init__(self, **kwargs):
  35         self.kwargs = kwargs
  36         pass
  37
  38     def GetVariableNames(self):
  39         return self.kwargs.keys()
  40
  41     def IsVariable(self, variableName):
  42         return variableName in self.kwargs
  43
  44     def IsReal(self, variableName):
  45         val = self.kwargs[variableName]
  46         try:
  47             float(val)
  48             return True
  49         except:
  50             pass
  51         return False
  52
  53     IsInteger = IsReal
  54     IsBoolean = IsReal
  55
  56     def IsString(self, variableName):
  57         return not self.IsReal(variableName)
  58
  59     def GetString(self, variableName):
  60         return self.kwargs[variableName]
  61
  62     def GetReal(self, variableName):
  63         return float(self.kwargs[variableName])
  64
  65     GetInteger = GetReal
  66     GetBoolean = GetReal
  67
  68     pass
  69
  70 class NoteBook:
  71
  72     def __init__(self, Study):
  73         self.myStudy = Study
  74
  75     def set(self, variableName, variable):
  76         """
  77         Create (or modify) variable with name "variableName"
  78         and value equal "theValue".
  79         """
  80         if type(variable) == float:
  81             self.myStudy.SetReal(variableName, variable)
  82
  83         elif type(variable) == int:
  84             self.myStudy.SetInteger(variableName, variable)
  85
  86         elif type(variable) == bool:
  87             self.myStudy.SetBoolean(variableName, variable)
  88
  89         elif type(variable) == str:
  90             self.myStudy.SetString(variableName, variable)
  91
  92     def get(self, variableName):
  93         """
  94         Return value of the variable with name "variableName".
  95         """
  96         aResult = None
  97         if self.myStudy.IsVariable(variableName):
  98
  99             if self.myStudy.IsReal(variableName):
 100                 aResult = self.myStudy.GetReal(variableName)
 101
 102             elif self.myStudy.IsInteger(variableName):
 103                 aResult = self.myStudy.GetInteger(variableName)
 104
 105             elif self.myStudy.IsBoolean(variableName):
 106                 aResult = self.myStudy.GetBoolean(variableName)
 107
 108             elif self.myStudy.IsString(variableName):
 109                 aResult = self.myStudy.GetString(variableName)
 110                 aResult_orig = aResult
 111                 l = self.myStudy.GetVariableNames()
 112                 l.remove(variableName)
 113                 # --
 114                 # To avoid the smallest strings to be replaced first,
 115                 # the list is sorted by decreasing lengths
 116                 # --
 117                 l.sort(key=str.__len__)
 118                 l.reverse()
 119                 for name in l:
 120                     if aResult.find(name) >= 0:
 121                         val = self.get(name)
 122                         aResult = aResult.replace(name, "%s"%(val))
 123                         pass
 124                     pass
 125                 try:
 126                     aResult = eval(aResult)
 127                 except Exception, e:
 128                     msg = str(e)
 129                     msg += "\n"
 130                     msg += "A problem occurs while parsing "
 131                     msg += "the variable %s "%(variableName.__repr__())
 132                     msg += "with value %s ..."%(aResult_orig.__repr__())
 133                     msg += "\n"
 134                     msg += "Please, check your notebook !"
 135                     raise Exception(msg)
 136                 pass
 137
 138         return aResult
 139
 140     def isVariable(self, variableName):
 141         """
 142         Return true if variable with name "variableName"
 143         exists in the study, otherwise return false.
 144         """
 145         return self.myStudy.IsVariable(variableName)
 146
 147     def setAs(self, variableName, typ):
 148         value = self.get(variableName)
 149         value = float(typ(value))
 150         self.myStudy.SetStringAsDouble(variableName, value)
 151         return
 152
 153     def setAsReal(self, variableName):
 154         self.setAs(variableName, float)
 155         return
 156
 157     def setAsInteger(self, variableName):
 158         self.setAs(variableName, int)
 159         return
 160
 161     def setAsBool(self, variableName):
 162         self.setAs(variableName, bool)
 163         return
 164
 165     def check(self):
 166         for variableName in self.myStudy.GetVariableNames():
 167             self.get(variableName)
 168             pass
 169         return
 170
 171     pass
 172
 173 def checkThisNoteBook(**kwargs):
 174     study = PseudoStudyForNoteBook(**kwargs)
 175     note_book = NoteBook(study)
 176     note_book.check()
 177     return
 178
 179 notebook = NoteBook(salome.myStudy)