public MainViewModel()
{
ExecuteScriptCommand = new RelayCommand <object>(async _ => await Task.Run(() =>
{
ScriptUnit.Execute();
}));
PauseCommand = new RelayCommand <object>(async _ => await Task.Run(() =>
{
ScriptUnit.Break();
}));
ResumeCommand = new RelayCommand <object>(async _ => await Task.Run(() =>
{
ScriptUnit.Resume();
}));
Script = new PythonScript("./script.py");
ScriptUnit = new PythonScriptUnit(Script, true);
ConsoleVM = new ConsoleViewModel();
DeviceA = new Device();
DeviceB = new Device();
ConsoleVM.AppendGlobal("devA", DeviceA);
ConsoleVM.AppendGlobal("devB", DeviceB);
ScriptUnit.AppendGlobal("devA", DeviceA);
ScriptUnit.AppendGlobal("devB", DeviceB);
}
public PythonScriptUnit(PythonScript sourceScript, bool enableDebug = true, ScriptScope scriptScope = null)
{
this.name = sourceScript.Name;
this.script = sourceScript;
Dictionary <string, object> options = new Dictionary <string, object>();
isDebugEnabled = enableDebug;
options["Debug"] = enableDebug;
engine = Python.CreateEngine(options);
//setup trace delegate
traceDelegate = new IronPython.Runtime.Exceptions.TracebackDelegate(TraceCallback);
if (enableDebug)
{
engine.SetTrace(traceDelegate);
}
if (scriptScope == null)
{
scope = engine.CreateScope();
}
else
{
scope = scriptScope;
}
builtinModule = engine.GetBuiltinModule();
builtinModule.SetVariable("WaitAll", new Action <Task[]>((tasks) => Task.WaitAll(tasks)));
builtinModule.SetVariable("TaskSleep", new Func <double, Task>((secs) => TaskSleep(secs)));
builtinModule.SetVariable("StartLambda", new Func <Func <dynamic>, Task>((action) => Task.Run(action)));
builtinModule.SetVariable("AllowBreak", new Action(() => AllowBreak()));
builtinModule.SetVariable("Break", new Action(() => Break()));
builtinModule.SetVariable("WaitBreak", new Action(() => { })); //empty method so the break will happen there
source = engine.CreateScriptSourceFromString(script.Content, SourceCodeKind.File);
try
{
compiled = source.Compile();
currentState = ScriptUnitState.Ready;
PublishEvent(new ScriptUnitStateEvent(this, currentState));
}
catch (SyntaxErrorException ex)
{
currentState = ScriptUnitState.Error;
PublishEvent(new ScriptUnitStateEvent(this, currentState));
throw ex;
}
}