- Generating code for the improved support of static data members of Boost.Python

[SVN r18193]

pyste/NEWS

@@ -1,3 +1,6 @@
+06 Apr 2003
+Support for the improved static data members support of Boost.Python.
+
 05 Apr 2003
 New option for generating the bindings: --multiple.
 

pyste/example/basic.h

@@ -4,6 +4,7 @@ namespace basic {
     
 struct C
 {    
+    C(): value(1), const_value(0) {}
     virtual int f(int x = 10)
     {
         return x*2;
@@ -16,8 +17,16 @@ struct C
     const std::string& name() { return _name; }
     void set_name(const std::string& name) { _name = name; }
     std::string _name;
+    static int static_value;
+    static const int const_static_value;
+    
+    int value;
+    const int const_value;
 };
 
+int C::static_value = 3;
+const int C::const_static_value = 100;
+
 int call_f(C& c)
 {
     return c.f();
@@ -28,4 +37,14 @@ int call_f(C& c, int x)
     return c.f(x);
 } 
 
+int get_static()
+{
+    return C::static_value;
+}
+
+int get_value(C& c)
+{
+    return c.value;
+}
+
 }

pyste/example/basic.pyste

@@ -1,2 +1,5 @@
 Class('basic::C', 'basic.h')
 Function('basic::call_f', 'basic.h')
+Function('basic::get_static', 'basic.h')
+Function('basic::get_value', 'basic.h')
+

pyste/src/ClassExporter.py

@@ -243,16 +243,12 @@ class ClassExporter(Exporter):
                 continue
             name = self.info[var.name].rename or var.name
             fullname = var.FullName() 
-            if var.static:
-                code = '%s->attr("%s") = %s;' % (self.ScopeName(), name, fullname)
-                self.Add('scope', code)            
+            if var.type.const:
+                def_ = '.def_readonly'
             else:
-                if var.type.const:
-                    def_ = '.def_readonly'
-                else:
-                    def_ = '.def_readwrite'
-                code = '%s("%s", &%s)' % (def_, name, fullname)
-                self.Add('inside', code)
+                def_ = '.def_readwrite'
+            code = '%s("%s", &%s)' % (def_, name, fullname)
+            self.Add('inside', code)
 
     
     def ExportMethods(self):

pyste/src/pyste.py

@@ -34,7 +34,7 @@ from policies import *
 from CppParser import CppParser, CppParserError
 import time
 
-__VERSION__ = '0.6.6'
+__VERSION__ = '0.7.0'
 
 def RecursiveIncludes(include):
     'Return a list containg the include dir and all its subdirectories'

pyste/tests/example_basicUT.py

@@ -1,10 +1,11 @@
 import unittest
+from basic import *
 
 class BasicExampleTest(unittest.TestCase):
 
     def testIt(self):
-        from basic import C, call_f
 
+        # test virtual functions
         class D(C):
             def f(self, x=10):
                 return x+1
@@ -20,6 +21,37 @@ class BasicExampleTest(unittest.TestCase):
         self.assertEqual(call_f(c, 4), 8)
         self.assertEqual(call_f(d), 11)
         self.assertEqual(call_f(d, 3), 4)
+        
+        # test data members
+        def testValue(value):
+            self.assertEqual(c.value, value)
+            self.assertEqual(d.value, value) 
+            self.assertEqual(get_value(c), value)
+            self.assertEqual(get_value(d), value)
+        testValue(1)
+        c.value = 30
+        d.value = 30
+        testValue(30)
+        self.assertEqual(c.const_value, 0)
+        self.assertEqual(d.const_value, 0)
+        def set_const_value():
+            c.const_value = 12
+        self.assertRaises(AttributeError, set_const_value)
+        
+        # test static data-members
+        def testStatic(value):
+            self.assertEqual(C.static_value, value)
+            self.assertEqual(c.static_value, value)
+            self.assertEqual(D.static_value, value)
+            self.assertEqual(d.static_value, value)
+            self.assertEqual(get_static(), value)
+        testStatic(3)
+        C.static_value = 10
+        testStatic(10)
+        self.assertEqual(C.const_static_value, 100)
+        def set_const_static():
+            C.const_static_value = 1
+        self.assertRaises(AttributeError, set_const_static)
 
 
 if __name__ == '__main__':