Compatibility for older versions of cmake, python, open cascade, boost

src/ifcexpressparser/header.py

@@ -17,10 +17,11 @@
 #                                                                             #
 ###############################################################################
 
+import codegen
 import templates
 import documentation
 
-class Header:
+class Header(codegen.Base):
     def __init__(self, mapping):
         declarations = []
 
@@ -123,10 +124,9 @@ class Header:
         }
 
         self.schema_name = mapping.schema.name.capitalize()
+        
+        self.file_name = '%s.h'%self.schema_name
+        
+        
     def __repr__(self):
         return self.str
-    def emit(self):
-        f = open('%s.h'%self.schema_name, 'w', encoding='utf-8')
-        f.write(str(self))
-        f.close()
-