[Modeling-cvs] ProjectModeling/Modeling PyModel.py,1.3,1.4

[<sbi...@us...>]

Update of /cvsroot/modeling/ProjectModeling/Modeling
In directory sc8-pr-cvs1:/tmp/cvs-serv9470

Modified Files:
	PyModel.py 
Log Message:
PyModel can be built once, at most

Index: PyModel.py
===================================================================
RCS file: /cvsroot/modeling/ProjectModeling/Modeling/PyModel.py,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** PyModel.py	24 Jul 2003 12:14:04 -0000	1.3
--- PyModel.py	3 Aug 2003 12:54:48 -0000	1.4
***************
*** 120,123 ****
--- 120,124 ----
    
    def __init__(self, name, **kw):
+     self.is_built=0
      self.name=self.requiredField(name)
      self.entities=list(kw.get('entities', []))
***************
*** 177,180 ****
--- 178,186 ----
      if getattr(self, 'version', None)!=BaseDescription.VERSION:
        raise ValueError, 'Incompatible versions'
+     
+     #
+     if self.is_built:
+       raise RuntimeError, 'PyModel has already been built'
+     self.is_built=1
      
      # Build ordered list of entities