public void TestImportScopeFunction()
{
using (Py.GIL())
{
ps.Set("bb", 100);
ps.Set("cc", 10);
ps.Exec(
"def func1():\n" +
" return cc + bb\n");
using (PyScope scope = ps.NewScope())
{
//'func1' is imported from the origion scope
scope.Exec(
"def func2():\n" +
" return func1() - cc - bb\n");
dynamic func2 = scope.Get("func2");
var result1 = func2().As <int>();
Assert.AreEqual(0, result1);
scope.Set("cc", 20);//it has no effect on the globals of 'func1'
var result2 = func2().As <int>();
Assert.AreEqual(-10, result2);
scope.Set("cc", 10); //rollback
ps.Set("cc", 20);
var result3 = func2().As <int>();
Assert.AreEqual(10, result3);
ps.Set("cc", 10); //rollback
}
}
}
/// <summary>
/// Runs a Python script in the Unity process.
/// </summary>
/// <param name="pythonFileToExecute">The script to execute.</param>
/// <param name="scopeName">Value to write to Python special variable `__name__`</param>
public static void RunFile(string pythonFileToExecute, string scopeName = null)
{
EnsureInitialized();
if (null == pythonFileToExecute)
{
throw new System.ArgumentNullException("pythonFileToExecute", "Invalid (null) file path");
}
// Ensure we are getting the full path.
pythonFileToExecute = Path.GetFullPath(pythonFileToExecute);
// Forward slashes please
pythonFileToExecute = pythonFileToExecute.Replace("\\", "/");
if (!File.Exists(pythonFileToExecute))
{
throw new System.IO.FileNotFoundException("No Python file found at " + pythonFileToExecute, pythonFileToExecute);
}
using (Py.GIL())
{
if (string.IsNullOrEmpty(scopeName))
{
PythonEngine.Exec(string.Format("exec(open('{0}').read())", pythonFileToExecute));
}
else
{
using (PyScope scope = Py.CreateScope())
{
scope.Set("__name__", scopeName);
scope.Set("__file__", pythonFileToExecute);
scope.Exec(string.Format("exec(open('{0}').read())", pythonFileToExecute));
}
}
}
}
/// <summary>
/// Migrates Python 2 code to Python 3 using Pythons 2to3 library.
/// </summary>
/// <param name="code">Python 2 code that needs to be migrated</param>
/// <returns></returns>
internal static string MigrateCode(string code)
{
InstallPython();
if (!PythonEngine.IsInitialized)
{
PythonEngine.Initialize();
PythonEngine.BeginAllowThreads();
}
IntPtr gs = PythonEngine.AcquireLock();
try
{
using (Py.GIL())
{
string output;
var asm = Assembly.GetExecutingAssembly();
using (PyScope scope = Py.CreateScope())
{
scope.Set(INPUT_NAME, code.ToPython());
var path = Path.GetDirectoryName(asm.Location);
scope.Set(PATH_NAME, path.ToPython());
scope.Exec(Get2To3MigrationScript(asm));
output = scope.Contains(RETURN_NAME) ? scope.Get(RETURN_NAME).ToString() : string.Empty;
}
// If the code contains tabs, normalize the whitespaces. This is a Python 3 requirement
// that's not addressed by 2to3.
if (output.Contains("\t"))
{
using (PyScope scope = Py.CreateScope())
{
scope.Set(INPUT_NAME, output.ToPython());
scope.Exec(GetReindentationScript(asm));
output = scope.Contains(RETURN_NAME) ? scope.Get(RETURN_NAME).ToString() : string.Empty;
}
}
return(output);
}
}
finally
{
PythonEngine.ReleaseLock(gs);
}
}
public static void LoadScript(string name, string file)
{
PyScope scriptScope = Py.CreateScope();
scriptScope.Exec(File.ReadAllText(Path.Combine("PyScripts", file)));
if (ScriptScopes.ContainsKey(name))
{
ScriptScopes[name].Dispose();
ScriptScopes.Remove(name);
}
ScriptScopes.Add(name, scriptScope);
scriptScope.Set("debuglog", (Action <string>)Debug.Log);
scriptScope.Set("debugmsgbox", (Action <string>)Debug.MsgBox);
}
/// <summary>
/// Processes additional bindings that are not actual inputs.
/// Currently, only the node name is received in this way.
/// </summary>
/// <param name="scope">Python scope where execution will occur</param>
/// <param name="bindingNames">List of binding names received for evaluation</param>
/// <param name="bindingValues">List of binding values received for evaluation</param>
private static void ProcessAdditionalBindings(PyScope scope, IList bindingNames, IList bindingValues)
{
const string NodeNameInput = "Name";
string nodeName;
if (bindingNames.Count == 0 || !bindingNames[0].Equals(NodeNameInput))
{
// Defensive code to fallback in case the additional binding is not there, like
// when the evaluator is called directly in unit tests.
nodeName = "USER";
}
else
{
bindingNames.RemoveAt(0);
nodeName = (string)bindingValues[0];
bindingValues.RemoveAt(0);
}
// Session is null when running unit tests.
if (ExecutionEvents.ActiveSession != null)
{
dynamic logger = ExecutionEvents.ActiveSession.GetParameterValue(ParameterKeys.Logger);
Action <string> logFunction = msg => logger.Log($"{nodeName}: {msg}", LogLevel.ConsoleOnly);
scope.Set(DynamoPrintFuncName, logFunction.ToPython());
scope.Exec(RedirectPrint());
}
}
public void RunFunction(string sFuncName, params string[] args)
{
using (Py.GIL())
using (PyScope scope = Py.CreateScope())
{
Scope = scope;
foreach (var kvp in Locals)
{
var pyName = kvp.Key;
PyObject pyObj = kvp.Value.ToPython();
Scope.Set(pyName, pyObj);
}
Scope.Exec(Script);
var functionBuilder = new StringBuilder();
functionBuilder.Append(sFuncName);
functionBuilder.Append("(");
foreach (var arg in args)
{
functionBuilder.Append(arg);
}
functionBuilder.Append(")");
Scope.Exec(functionBuilder.ToString());
}
}
/// <summary>
/// Migrates Python 2 code to Python 3 using Pythons 2to3 library.
/// </summary>
/// <param name="code">Python 2 code that needs to be migrated</param>
/// <returns></returns>
internal static string MigrateCode(string code)
{
Installer.SetupPython().Wait();
if (!PythonEngine.IsInitialized)
{
PythonEngine.Initialize();
PythonEngine.BeginAllowThreads();
}
IntPtr gs = PythonEngine.AcquireLock();
try
{
using (Py.GIL())
{
using (PyScope scope = Py.CreateScope())
{
scope.Set(INPUT_NAME, code.ToPython());
scope.Exec(GetPythonMigrationScript());
var result = scope.Contains(RETURN_NAME) ? scope.Get(RETURN_NAME) : null;
return(result.ToString());
}
}
}
finally
{
PythonEngine.ReleaseLock(gs);
}
}
/// <summary>
/// Load a module into a scope.
/// </summary>
/// <param name="name">Name to be assigned to the module</param>
/// <param name="fileName">Name of the code file.</param>
/// <param name="globals">Globals to be set before execution of the script.</param>
/// <returns>PyScope with code loaded.</returns>
private PyScope LoadModule(string name, string fileName, Dictionary <string, object> globals)
{
PyScope scope = null;
using (Py.GIL())
{
// Create a new scope
scope = Py.CreateScope(name);
// Assign any globals.
if (globals != null)
{
foreach (string gname in globals.Keys)
{
scope.Set(gname, globals[gname]);
}
}
// Load python code, compile, then execute it in the scope.
string scriptText = File.ReadAllText(fileName);
PyObject code = PythonEngine.Compile(scriptText, fileName);
dynamic r = scope.Execute(code);
}
return(scope);
}
/// <summary>
/// Runs Python code in the Unity process.
/// </summary>
/// <param name="pythonCodeToExecute">The code to execute.</param>
/// <param name="scopeName">Value to write to Python special variable `__name__`</param>
public static void RunString(string pythonCodeToExecute, string scopeName = null)
{
if (string.IsNullOrEmpty(pythonCodeToExecute))
{
return;
}
EnsureInitialized();
using (Py.GIL())
{
// Clean up the string.
dynamic inspect = PythonEngine.ImportModule("inspect");
string code = inspect.cleandoc(pythonCodeToExecute);
if (string.IsNullOrEmpty(scopeName))
{
PythonEngine.Exec(code);
}
else
{
using (PyScope scope = Py.CreateScope())
{
scope.Set("__name__", scopeName);
scope.Exec(code);
}
}
}
}
private static void Write(int writes, PyScope scope)
{
for (int i = 0; i < writes; i++)
{
// scope.Exec($"a = {i}");
scope.Set("a", i);
}
}
/// <summary>
/// Executes a Python script with custom variable names. Script may be a string
/// read from a file, for example. Pass a list of names (matching the variable
/// names in the script) to bindingNames and pass a corresponding list of values
/// to bindingValues.
/// </summary>
/// <param name="code">Python script as a string.</param>
/// <param name="bindingNames">Names of values referenced in Python script.</param>
/// <param name="bindingValues">Values referenced in Python script.</param>
public static object EvaluatePythonScript(
string code,
IList bindingNames,
[ArbitraryDimensionArrayImport] IList bindingValues)
{
if (code != prev_code)
{
Python.Included.Installer.SetupPython().Wait();
if (!PythonEngine.IsInitialized)
{
PythonEngine.Initialize();
PythonEngine.BeginAllowThreads();
}
IntPtr gs = PythonEngine.AcquireLock();
try
{
using (Py.GIL())
{
using (PyScope scope = Py.CreateScope())
{
int amt = Math.Min(bindingNames.Count, bindingValues.Count);
for (int i = 0; i < amt; i++)
{
scope.Set((string)bindingNames[i], InputMarshaler.Marshal(bindingValues[i]).ToPython());
}
try
{
OnEvaluationBegin(scope, code, bindingValues);
scope.Exec(code);
OnEvaluationEnd(false, scope, code, bindingValues);
var result = scope.Contains("OUT") ? scope.Get("OUT") : null;
return(OutputMarshaler.Marshal(result));
}
catch (Exception e)
{
OnEvaluationEnd(false, scope, code, bindingValues);
throw e;
}
}
}
}
catch (PythonException pe)
{
throw pe;
}
finally
{
PythonEngine.ReleaseLock(gs);
}
}
return(null);
}
public void Run(OpenCvSharp.Mat src, string cmd)
{
using (PyScope scope = Py.CreateScope())
{
PyObject pySrc = src.ToPython();
scope.Set("src", pySrc);
scope.Exec(cmd);
}
}
public void PostRequestChord(string input)
{
try
{
using (Py.GIL())
{
PyList pyTest = new PyList();
Console.WriteLine(input);
if (input.Contains("c") == false)
{
listaNotas.Add(input);
}
if (input.Contains("c"))
{
listaNotas.Remove(input.Remove(input.Length - 1));
}
using (PyScope scope = Py.CreateScope())
{
for (int i = 0; i < listaNotas.Count; i++)
{
pyTest.Append(new PyString(listaNotas[i]));
Console.WriteLine(listaNotas[i]);
}
scope.Set("test", pyTest);
dynamic chord = scope.Get("test");
dynamic pychord = scope.Import("pychord");
dynamic music21 = scope.Import("music21");
dynamic myChord = pychord.analyzer.find_chords_from_notes(chord);
if (Convert.ToString(myChord) == "[]")
{
myChord = music21.chord.Chord(chord);
myChord = myChord.pitchedCommonName;
}
Console.WriteLine(myChord);
string value = Convert.ToString(myChord);
notaSalida.Text = value;
}
}
}
catch
{
}
}
public object Run(
[InputPin(Name = "caption", Description = "The caption of this module", PropertyMode = PropertyMode.Always, Editor = WellKnownEditors.SingleLineText)] string caption,
[InputPin(Name = "expression", Description = "The Python expression", PropertyMode = PropertyMode.Always, Editor = WellKnownEditors.SingleLineText)] string expression,
[InputPin(Name = "useMainThread", Description = "Whether to run the code on the Python main thread", PropertyMode = PropertyMode.Always, Editor = WellKnownEditors.CheckBox, DefaultValue = "false")] bool useMainThread,
[InputPin(Name = "input", Description = "These are the inputs for the expression", PropertyMode = PropertyMode.Never)] params object[] inputs
)
{
object evalBlock()
{
using (PyScope ps = Py.CreateScope())
{
int i = 0;
foreach (var inputPin in this.dynamicInputPin.Pins)
{
if (inputPin.Connections.Any())
{
ps.Set(inputPin.Id, PyConvert.ToPyObject(inputs[i]));
}
i++;
}
ps.Set(dynamicInputPin.Alias + "s", inputs);
PyObject evalResult = ps.Eval(expression);
return(PyConvert.ToClrObject(evalResult, typeof(object)));
}
}
if (useMainThread)
{
return(mainThread.EvalSync(evalBlock));
}
else
{
using (Py.GIL())
{
return(evalBlock());
}
}
}
public void Run()
{
Person person = new Person("Bob", "Davies");
using (PyScope scope = Py.CreateScope())
{
PyObject pyPerson = person.ToPython();
scope.Set("person", pyPerson);
string code = "Fullname = person.FirstName + ' ' + person.LastName";
scope.Exec(code);
string printit = "print (person.FirstName)";
scope.Exec(printit);
}
}
/// <summary>
/// Called immediately before evaluation starts
/// </summary>
/// <param name="scope">The scope in which the code is executed</param>
/// <param name="code">The code to be evaluated</param>
/// <param name="bindingValues">The binding values - these are already added to the scope when called</param>
private void OnEvaluationBegin(PyScope scope,
string code,
IList bindingValues)
{
// Call deprecated events until they are completely removed.
EvaluationBegin?.Invoke(EvaluationState.Begin, scope, code, bindingValues);
if (EvaluationStarted != null)
{
EvaluationStarted(code, bindingValues, (n, v) => { scope.Set(n, InputMarshaler.Marshal(v).ToPython()); });
Analytics.TrackEvent(
Dynamo.Logging.Actions.Start,
Dynamo.Logging.Categories.PythonOperations,
"CPythonEvaluation");
}
}
public void Run()
{
using (Py.GIL())
using (PyScope scope = Py.CreateScope())
{
Scope = scope;
foreach (var kvp in Locals)
{
var pyName = kvp.Key;
PyObject pyObj = kvp.Value.ToPython();
Scope.Set(pyName, pyObj);
}
Scope.Exec(Script);
}
}
public object QueryAsync(string code)
{
using IServiceScope scope = _serviceProvider.CreateScope();
UsageRecordsRepository repository = scope.ServiceProvider.GetRequiredService <UsageRecordsRepository>();
IEnumerable <UsageRecord> usageRecords = repository.UsageRecords.AsNoTracking();
using Py.GILState gil = Py.GIL();
using PyScope pyScope = Py.CreateScope();
pyScope.Set(nameof(usageRecords), usageRecords.ToPython());
PyObject pyObject = pyScope.Eval(code);
if (pyObject.IsIterable())
{
return(pyObject.Select(item => item.AsManagedObject(typeof(object))));
}
else
{
object result = pyObject.AsManagedObject(typeof(object));
return(result);
}
}
public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
PyScope scope = PyScriptManager.ScriptScopes["Temp"];
scope.ImportAll("math");
scope.Set("value", value);
PyObject result = scope.Eval(Script);
string errorMsg;
try
{
errorMsg = result.As <string>(); //Expect true(bool) for valid input, an error message string for invalid input
}
catch (InvalidCastException)
{
return(new ValidationResult(true, null));
}
return(new ValidationResult(false, errorMsg));
}
public Sudoku Solve(Sudoku s)
{
using (Py.GIL())
{
using (PyScope scope = Py.CreateScope())
{
// convert the sudoku object to a PyObject
PyObject pySudoku = s.ToPython();
// create a Python variable "sudoku"
scope.Set("sudoku", pySudoku);
// the sudoku object may now be used in Pythonn
string code = "fullName = person.FirstName + ' ' + person.LastName";
scope.Exec(code);
s = scope.Get <Sudoku>("sudoku");
}
return(s);
// PythonEngine.Exec("doStuff()");
}
}
private List <byte[]> CreateNSBTXes(SaveForm SF)
{
List <byte[]> NSBTXes = new List <byte[]>();
using (Py.GIL())
{
dynamic TexturePy = Python.Runtime.Py.Import("ndspy.texture");
using (PyScope scope = Py.CreateScope())
{
scope.Exec("import ndspy.texture");
for (int j = 0; j < 3; j++)
{
scope.Exec("nsbtx = ndspy.texture.NSBTX()");
for (int i = 0 + (255 * j); i < 255 + (255 * j); i++)
{
SF.SetMessage("Encoding Tile " + (i + 1) + " (Format: " + TextureFormats[i] + ")");
Console.WriteLine("Tex " + i);
Bitmap TileBitmap = new Bitmap(16, 16);
Graphics g = Graphics.FromImage(TileBitmap);
g.DrawImage(this.MainPNG, new Rectangle(new Point(0, 0), new Size(16, 16)), Helpers.GetRectangleForTileID(i), GraphicsUnit.Pixel);
EncodedImage Enc = null;
if (TextureFormats[i] == 7)
{
Enc = Images.EncodeImage_RGB555(TileBitmap);
}
else if (TextureFormats[i] == 5)
{
Enc = Images.Encode_Tex4x4(TileBitmap, 16);
}
else
{
PalettedImage p = Images.CreatePalettedImage(TileBitmap, this.TextureFormats[i]);
Enc = Images.EncodeImage(p, TextureFormats[i]);
}
string Name = "Tile " + i.ToString();
dynamic Tex = TexturePy.Texture.fromFlags(0, 0, true, true, false, false, TileBitmap.Width, TileBitmap.Height,
this.TextureFormats[i], false, 0, 0x80010040, Enc.Texture, Enc.Texture2);
dynamic Pal = TexturePy.Palette.fromColors(0, 0, 0, Enc.Palette);
scope.Set("Name", Name.ToPython());
scope.Set("Tex", Tex);
scope.Set("Pal", Pal);
scope.Exec("nsbtx.textures.append((Name,Tex))");
scope.Exec("nsbtx.palettes.append((Name,Pal))");
}
scope.Exec("nsbtxf = nsbtx.save()");
NSBTXes.Add(scope.Get <byte[]>("nsbtxf"));
}
}
}
return(NSBTXes);
}
public void TestPythonInterop()
{
var jsonSerializerOptions = new JsonSerializerOptions
{
WriteIndented = true,
Converters =
{
new JsonStringEnumConverter(),
new SimpleHypergridJsonConverter(),
new DimensionJsonConverter(),
},
};
string csContinuousJsonString = JsonSerializer.Serialize(continuous, jsonSerializerOptions);
string csDiscreteJsonString = JsonSerializer.Serialize(discrete, jsonSerializerOptions);
string csOrdinalJsonString = JsonSerializer.Serialize(ordinal, jsonSerializerOptions);
string csCategoricalJsonString = JsonSerializer.Serialize(categorical, jsonSerializerOptions);
string csSimpleHypergridJsonString = JsonSerializer.Serialize(allKindsOfDimensions, jsonSerializerOptions);
using (Py.GIL())
{
using PyScope pythonScope = Py.CreateScope();
pythonScope.Set("cs_continuous_dimension_json_string", csContinuousJsonString);
pythonScope.Set("cs_discrete_dimension_json_string", csDiscreteJsonString);
pythonScope.Set("cs_ordinal_dimension_json_string", csOrdinalJsonString);
pythonScope.Set("cs_categorical_dimension_json_string", csCategoricalJsonString);
pythonScope.Set("cs_simple_hypergrid_json_string", csSimpleHypergridJsonString);
pythonScope.Exec(PythonScriptsAndJsons.CreateDimensionsAndSpacesScript);
pythonScope.Exec(PythonScriptsAndJsons.DeserializeDimensionsScript);
bool successfullyDeserializedDimensions = pythonScope.Get("success").As <bool>();
string exceptionMessage = string.Empty;
if (!successfullyDeserializedDimensions)
{
exceptionMessage = pythonScope.Get("exception_message").As <string>();
}
Assert.True(successfullyDeserializedDimensions, exceptionMessage);
pythonScope.Exec(PythonScriptsAndJsons.DeserializeSimpleHypergridScript);
bool successfullyDeserializedSimpleHypergrid = pythonScope.Get("success").As <bool>();
if (!successfullyDeserializedSimpleHypergrid)
{
exceptionMessage = pythonScope.Get("exception_message").As <string>();
}
Assert.True(successfullyDeserializedSimpleHypergrid, exceptionMessage);
string pySimpleHypergridJsonString = pythonScope.Get("py_simple_hypergrid_json_string").As <string>();
SimpleHypergrid simpleHypergridDeserializedFromPython = JsonSerializer.Deserialize <SimpleHypergrid>(pySimpleHypergridJsonString, jsonSerializerOptions);
Assert.True(simpleHypergridDeserializedFromPython.Name == "all_kinds_of_dimensions");
Assert.True(simpleHypergridDeserializedFromPython.Dimensions.Count == 4);
string reserializedHypergrid = JsonSerializer.Serialize(simpleHypergridDeserializedFromPython, jsonSerializerOptions);
pythonScope.Set("cs_reserialized_hypergrid_json_string", reserializedHypergrid);
pythonScope.Exec(PythonScriptsAndJsons.ValidateReserializedHypergridScript);
bool successfullyValidatedReserializedHypergrid = pythonScope.Get("success").As <bool>();
if (!successfullyValidatedReserializedHypergrid)
{
exceptionMessage = pythonScope.Get("exception_message").As <string>();
}
Assert.True(successfullyValidatedReserializedHypergrid, exceptionMessage);
}
string currentDirectory = Directory.GetCurrentDirectory();
Console.WriteLine($"Current directory {currentDirectory}");
}
/// <summary>
/// Executes a Python script with custom variable names. Script may be a string
/// read from a file, for example. Pass a list of names (matching the variable
/// names in the script) to bindingNames and pass a corresponding list of values
/// to bindingValues.
/// </summary>
/// <param name="code">Python script as a string.</param>
/// <param name="bindingNames">Names of values referenced in Python script.</param>
/// <param name="bindingValues">Values referenced in Python script.</param>
public static object EvaluatePythonScript(
string code,
IList bindingNames,
[ArbitraryDimensionArrayImport] IList bindingValues)
{
var evaluationSuccess = true;
if (code == null)
{
return(null);
}
InstallPython();
if (!PythonEngine.IsInitialized)
{
PythonEngine.Initialize();
PythonEngine.BeginAllowThreads();
}
IntPtr gs = PythonEngine.AcquireLock();
try
{
using (Py.GIL())
{
if (globalScope == null)
{
globalScope = CreateGlobalScope();
}
using (PyScope scope = Py.CreateScope())
{
// Reset the 'sys.path' value to the default python paths on node evaluation.
var pythonNodeSetupCode = "import sys" + Environment.NewLine + "sys.path = sys.path[0:3]";
scope.Exec(pythonNodeSetupCode);
ProcessAdditionalBindings(scope, bindingNames, bindingValues);
int amt = Math.Min(bindingNames.Count, bindingValues.Count);
for (int i = 0; i < amt; i++)
{
scope.Set((string)bindingNames[i], InputMarshaler.Marshal(bindingValues[i]).ToPython());
}
try
{
OnEvaluationBegin(scope, code, bindingValues);
scope.Exec(code);
var result = scope.Contains("OUT") ? scope.Get("OUT") : null;
return(OutputMarshaler.Marshal(result));
}
catch (Exception e)
{
evaluationSuccess = false;
var traceBack = GetTraceBack(e);
if (!string.IsNullOrEmpty(traceBack))
{
// Throw a new error including trace back info added to the message
throw new InvalidOperationException($"{e.Message} {traceBack}", e);
}
else
{
throw e;
}
}
finally
{
OnEvaluationEnd(evaluationSuccess, scope, code, bindingValues);
}
}
}
}
finally
{
PythonEngine.ReleaseLock(gs);
}
}
protected override async Task <object[]> EvaluateInternal(object[] inputs, CancellationToken cancel)
{
if (parserError != null)
{
throw parserError;
}
var script = this.Script;
if (script == null)
{
return(new object[0]); // no script available
}
object[] returnValue = null;
void evalAction()
{
// create new python scope
using (PyScope ps = Py.CreateScope())
{
if (!string.IsNullOrEmpty(filename))
{
ps.Set("__file__", filename);
}
// load script into scope
ps.Execute(script);
ps.Set("context", this.Runtime.ScriptContext.ToPython());
ps.Set("store", this.Graph.ValueStore.ToPython());
// process module inputs and convert them to python objects
int firstArgIndex = inputs.Length - argumentPins.Count;
var args = CreateArguments(inputs, firstArgIndex);
// call python method
string functionName = (string)inputs[FUNCTION_NAME_PIN_INDEX] ?? DEFAULT_FUNCTION_NAME;
PyObject fn = ps.Get(functionName);
PyObject pyResult = null;
try
{
pyResult = fn.Invoke(args);
}
catch (PythonException e)
{
throw new XamlaPythonException(e);
}
// convert result back to clr object
var result = PyConvert.ToClrObject(pyResult, signature.ReturnType);
if (result == null)
{
returnValue = new object[] { null }
}
;
else if (!result.GetType().IsTuple())
{
returnValue = new object[] { result }
}
;
else
{
returnValue = TypeHelpers.GetTupleValues(result);
}
}
}
int useMainThreadPinIndex = 2;
if (this.flowMode != FlowMode.NoFlow)
{
useMainThreadPinIndex += 1;
}
bool useMainThread = (bool)inputs[useMainThreadPinIndex];
if (useMainThread)
{
await mainThread.Enqueue(evalAction, cancel);
}
else
{
using (Py.GIL())
{
evalAction();
}
}
if (this.flowMode != FlowMode.NoFlow)
{
return((new object[] { Flow.Default }.Concat(returnValue)).ToArray());
}
else
{
return(returnValue);
}
}
public void TestEval()
{
using (Py.GIL())
{
ps.Set("a", 1);
var result = ps.Eval <int>("a + 2");
Assert.AreEqual(3, result);
}
}
