Replace #if DEBUG with conditional attribute

Author: vmuriart

src/clrmodule/ClrModule.cs

@@ -21,6 +21,7 @@
 // calls are made to indicate what's going on during the load...
 //============================================================================
 usingSystem;
+usingSystem.Diagnostics;
 usingSystem.Globalization;
 usingSystem.IO;
 usingSystem.Reflection;
@@ -37,9 +38,7 @@ public static IntPtr PyInit_clr()
 publicstaticvoidinitclr()
 #endif
 {
-#if DEBUG
-Console.WriteLine("Attempting to load Python.Runtime using standard binding rules... ");
-#endif
+debugPrint("Attempting to load 'Python.Runtime' using standard binding rules.");
 #if USE_PYTHON_RUNTIME_PUBLIC_KEY_TOKEN
 varpythonRuntimePublicKeyTokenData=newbyte[]{0x50,0x00,0xfe,0xa6,0xcb,0xa7,0x02,0xdd};
 #endif
@@ -65,12 +64,11 @@ public static void initclr()
 try
 {
 pythonRuntime=Assembly.Load(pythonRuntimeName);
-#if DEBUG
-Console.WriteLine("Success!");
-#endif
+debugPrint("Success loading 'Python.Runtime' using standard binding rules.");
 }
 catch(IOException)
 {
+debugPrint("'Python.Runtime' not found using standard binding rules.");
 try
 {
 // If the above fails for any reason, we fallback to attempting to load "Python.Runtime.dll"
@@ -89,16 +87,13 @@ public static void initclr()
 thrownewInvalidOperationException(executingAssembly.Location);
 }
 stringpythonRuntimeDllPath=Path.Combine(assemblyDirectory,"Python.Runtime.dll");
-#if DEBUG
-Console.WriteLine("Attempting to load Python.Runtime from: '{0}'...",pythonRuntimeDllPath);
-#endif
+debugPrint($"Attempting to load Python.Runtime from: '{pythonRuntimeDllPath}.'");
 pythonRuntime=Assembly.LoadFrom(pythonRuntimeDllPath);
+debugPrint($"Success loading 'Python.Runtime' from: '{pythonRuntimeDllPath}'.");
 }
 catch(InvalidOperationException)
 {
-#if DEBUG
-Console.WriteLine("Could not load Python.Runtime");
-#endif
+debugPrint("Could not load 'Python.Runtime'.");
 #if PYTHON3
 returnIntPtr.Zero;
 #elif PYTHON2
@@ -117,4 +112,14 @@ public static void initclr()
 pythonEngineType.InvokeMember("InitExt",BindingFlags.InvokeMethod,null,null,null);
 #endif
 }
+
+/// <summary>
+/// Substitute for Debug.Writeline(...). Ideally we would use Debug.Writeline
+/// but haven't been able to configure the TRACE from within Python.
+/// </summary>
+[Conditional("DEBUG")]
+privatestaticvoiddebugPrint(stringstr)
+{
+Console.WriteLine(str);
+}
 }