Python code converter now supports read-only and write-only property conversions.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@4761 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/NRefactoryToPythonConverter.cs

@@ -951,21 +951,24 @@ namespace ICSharpCode.PythonBinding
 			string propertyName = propertyDeclaration.Name;
 
 			// Add get statements.
-			AppendIndentedLine("def get_" + propertyName + "(self):");
-			IncreaseIndent();
-			propertyDeclaration.GetRegion.Block.AcceptVisitor(this, data);
-			DecreaseIndent();
-			AppendLine();
+			if (propertyDeclaration.HasGetRegion) {
+				AppendIndentedLine("def get_" + propertyName + "(self):");
+				IncreaseIndent();
+				propertyDeclaration.GetRegion.Block.AcceptVisitor(this, data);
+				DecreaseIndent();
+				AppendLine();
+			}
 			
 			// Add set statements.
-			AppendIndentedLine("def set_" + propertyName + "(self, value):");
-			IncreaseIndent();
-			propertyDeclaration.SetRegion.Block.AcceptVisitor(this, data);
-			DecreaseIndent();
-			AppendLine();
+			if (propertyDeclaration.HasSetRegion) {
+				AppendIndentedLine("def set_" + propertyName + "(self, value):");
+				IncreaseIndent();
+				propertyDeclaration.SetRegion.Block.AcceptVisitor(this, data);
+				DecreaseIndent();
+				AppendLine();
+			}
 			
-			// Add property definition.
-			AppendIndentedLine(String.Concat(propertyName, " = property(fget=get_", propertyName, ", fset=set_", propertyName, ")"));
+			AppendPropertyDecorator(propertyDeclaration);
 			AppendLine();
 			
 			return null;
@@ -1940,5 +1943,27 @@ namespace ICSharpCode.PythonBinding
 		{
 			return (node is TypeDeclaration) || (node is MethodDeclaration) || (node is ConstructorDeclaration);
 		}
+		
+		void AppendPropertyDecorator(PropertyDeclaration propertyDeclaration)
+		{
+			string propertyName = propertyDeclaration.Name;
+			AppendIndented(propertyName);
+			Append(" = property(");
+		
+			bool addedParameter = false;
+			if (propertyDeclaration.HasGetRegion) {
+				Append("fget=get_" + propertyName);
+				addedParameter = true;
+			}
+			
+			if (propertyDeclaration.HasSetRegion) {
+				if (addedParameter) {
+					Append(", ");
+				}
+				Append("fset=set_" + propertyName);
+			}
+			Append(")");
+			AppendLine();
+		}
 	}
 }

src/AddIns/BackendBindings/Python/PythonBinding/Test/Converter/PropertyWithGetterTestFixture.cs

@@ -0,0 +1,55 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using ICSharpCode.NRefactory;
+using ICSharpCode.PythonBinding;
+using NUnit.Framework;
+
+namespace PythonBinding.Tests.Converter
+{
+	[TestFixture]
+	public class PropertyWithGetterTestFixture
+	{
+		string csharp = "class Foo\r\n" +
+						"{\r\n" +
+						"    int count = 0;\r\n" +
+						"    int i = 0;\r\n" +
+						"    public int Count {\r\n" +
+						"        get {\r\n" +
+						"            if (i == 0) {\r\n" +
+						"                return 10;\r\n" +
+						"            } else {\r\n" +
+						"                return count;\r\n" +
+						"            }\r\n" +
+						"        }\r\n" +
+						"    }\r\n" +
+						"}";
+			
+		[Test]
+		public void ConvertedPythonCode()
+		{
+			NRefactoryToPythonConverter converter = new NRefactoryToPythonConverter(SupportedLanguage.CSharp);
+			converter.IndentString = "    ";
+			string python = converter.Convert(csharp);
+			string expectedPython = "class Foo(object):\r\n" +
+									"    def __init__(self):\r\n" +
+									"        self._count = 0\r\n" +
+									"        self._i = 0\r\n" +
+									"\r\n" +
+									"    def get_Count(self):\r\n" +
+									"        if self._i == 0:\r\n" +
+									"            return 10\r\n" +
+									"        else:\r\n" +
+									"            return self._count\r\n" +
+									"\r\n" +
+									"    Count = property(fget=get_Count)";
+			
+			Assert.AreEqual(expectedPython, python, python);
+		}
+	}
+}

src/AddIns/BackendBindings/Python/PythonBinding/Test/Converter/PropertyWithSetterTestFixture.cs

@@ -0,0 +1,48 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using ICSharpCode.NRefactory;
+using ICSharpCode.PythonBinding;
+using NUnit.Framework;
+
+namespace PythonBinding.Tests.Converter
+{
+	[TestFixture]
+	public class PropertyWithSetterTestFixture
+	{
+		string csharp = "class Foo\r\n" +
+						"{\r\n" +
+						"    int count = 0;\r\n" +
+						"    int i = 0;\r\n" +
+						"    public int Count {\r\n" +
+						"        set {\r\n" +
+						"            count = value;\r\n" +
+						"        }\r\n" +
+						"    }\r\n" +
+						"}";
+			
+		[Test]
+		public void ConvertedPythonCode()
+		{
+			NRefactoryToPythonConverter converter = new NRefactoryToPythonConverter(SupportedLanguage.CSharp);
+			converter.IndentString = "    ";
+			string python = converter.Convert(csharp);
+			string expectedPython = "class Foo(object):\r\n" +
+									"    def __init__(self):\r\n" +
+									"        self._count = 0\r\n" +
+									"        self._i = 0\r\n" +
+									"\r\n" +
+									"    def set_Count(self, value):\r\n" +
+									"        self._count = value\r\n" +
+									"\r\n" +
+									"    Count = property(fset=set_Count)";
+			
+			Assert.AreEqual(expectedPython, python, python);
+		}
+	}
+}

src/AddIns/BackendBindings/Python/PythonBinding/Test/PythonBinding.Tests.csproj

@@ -141,6 +141,8 @@
     <Compile Include="Converter\ProjectHasStartupObjectTestFixture.cs" />
     <Compile Include="Converter\PropertyConversionTestFixture.cs" />
     <Compile Include="Converter\PropertyWithGetSetStatementsTestfixture.cs" />
+    <Compile Include="Converter\PropertyWithGetterTestFixture.cs" />
+    <Compile Include="Converter\PropertyWithSetterTestFixture.cs" />
     <Compile Include="Converter\RemoveHandlerConversionTestFixture.cs" />
     <Compile Include="Converter\SingleClassMethodConversionTestFixture.cs" />
     <Compile Include="Converter\ConvertCSharpToPythonMenuCommandTestFixture.cs" />