public void GeneratingPythonFunction()
{
Dictionary <string, object> context = new Dictionary <string, object>();
context.Add("user", "alex");
context.Add("age", 26);
List <string> parameters = new List <string>(context.Keys);
List <object> values = new List <object>(context.Values);
PythonEngine engine = new PythonEngine();
engine.Execute(
GenerateFunction("func", parameters.ToArray(), "return user + ' is ' + str(age) + ' years old'"));
PythonFunction func1 = engine.EvaluateAs <PythonFunction>("func");
engine.Execute(
GenerateFunction("func", parameters.ToArray(),
"return user + ' is ' + str(age+1) + ' years old next year'"));
PythonFunction func2 = engine.EvaluateAs <PythonFunction>("func");
object result1 = func1.Call(values.ToArray());
Assert.AreEqual("alex is 26 years old", result1);
object result2 = func2.Call(values.ToArray());
Assert.AreEqual("alex is 27 years old next year", result2);
}
public void UntypedDelegateForPythonFunction()
{
Dictionary <string, object> context = new Dictionary <string, object>();
context.Add("user", "alex");
context.Add("age", 26);
List <string> parameters = new List <string>(context.Keys);
List <object> values = new List <object>(context.Values);
PythonEngine engine = new PythonEngine();
engine.Execute(
GenerateFunction("func", parameters.ToArray(), "return user + ' is ' + str(age) + ' years old'"));
PythonFunction func1 = engine.EvaluateAs <PythonFunction>("func");
UntypedDelegate func1Delegate = delegate(object[] param)
{
return(func1.Call(param));
};
object result1 = func1Delegate(values.ToArray());
Assert.AreEqual("alex is 26 years old", result1);
}
private void RunPY(ThreadController controller, object state)
{
Engine.SetTrace(OnTracebackReceived);
//ObjectOperations operations = Engine.CreateOperations(Scope);
while (true)
{
try
{
LastStartTime = DateTime.Now;
if (FirstRun)
{
FirstRun = false;
}
PythonFunction RunOneTimeAction = (PythonFunction)GetVariable("RunOneTime");
PythonCalls.Call(codeContext, RunOneTimeAction);
RunTimes++;
LastFinishTime = DateTime.Now;
}catch (Exception ex)
{
}
}
}
public bool RunOneTime()
{
RunThreadId = Thread.CurrentThread.ManagedThreadId;
if (CompileSucess != true)
{
return(false);
}
try
{
Engine.SetTrace(OnTracebackReceived);
LastStartTime = DateTime.Now;
PythonFunction RunOneTimeAction = (PythonFunction)GetVariable("RunOneTime");
PythonCalls.Call(codeContext, RunOneTimeAction);
LastFinishTime = DateTime.Now;
return(true);
}catch (Exception ex)
{
YZXTaskExceptionEventArgs args = new YZXTaskExceptionEventArgs();
args.exception = ex;
ExceptionEvent(this, args);
}
return(false);
}
public static UnifiedInvokeResult InvokeFunc <T> (ISynchronizeInvoke synchronizer,
PythonFunction method)
{
Func <T> func = () => {
return((T)PythonCalls.Call(method));
};
return(UnifiedSynchronizerAccess.Invoke(synchronizer, func, null));
}
public static void InvokeAction(ISynchronizeInvoke synchronizer,
PythonFunction method)
{
Action action = () => {
PythonCalls.Call(method);
};
UnifiedSynchronizerAccess.Invoke(synchronizer, action, null);
}
public object CallTarget(PythonFunction /*!*/ function, object arg0, object arg1, object arg2, object arg3, object arg4, object arg5, object arg6, object arg7, object arg8, object arg9, object arg10, object arg11, object arg12, object arg13, object arg14)
{
PythonOps.FunctionPushFrame(function.Context.LanguageContext);
try {
return(_target(function, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14));
} finally {
PythonOps.FunctionPopFrame();
}
}
public object CallTarget(PythonFunction /*!*/ function)
{
PythonOps.FunctionPushFrame((PythonContext)function.Context.LanguageContext);
try {
return(_target(function));
} finally {
PythonOps.FunctionPopFrame();
}
}
public object CallTarget(PythonFunction /*!*/ function, object arg0, object arg1, object arg2, object arg3, object arg4, object arg5, object arg6)
{
PythonOps.FunctionPushFrame((PythonContext)function.Context.LanguageContext);
try {
return(_target(function, arg0, arg1, arg2, arg3, arg4, arg5, arg6));
} finally {
PythonOps.FunctionPopFrame();
}
}
public object CallTarget(PythonFunction /*!*/ function, object arg0, object arg1, object arg2, object arg3)
{
try {
PythonOps.FunctionPushFrame(function.Context.LanguageContext);
return(_target(function, arg0, arg1, arg2, arg3));
} finally {
PythonOps.FunctionPopFrame();
}
}
public void AddTask(PythonFunction func, int interval, int executeTimes, int waitTime, bool withArg = false)
{
if (withArg)
{
AddTask(task => PythonCalls.Call(func, task), interval, executeTimes, waitTime);
}
else
{
AddTask(task => PythonCalls.Call(func), interval, executeTimes, waitTime);
}
}
StoreTyped(PythonFunction func)
{
uint size = (uint)Marshal.SizeOf(typeof(PyFunctionObject));
IntPtr ptr = this.allocator.Alloc(size);
CPyMarshal.Zero(ptr, size);
CPyMarshal.WriteIntField(ptr, typeof(PyIntObject), "ob_refcnt", 1);
CPyMarshal.WritePtrField(ptr, typeof(PyIntObject), "ob_type", this.PyFunction_Type);
this.map.Associate(ptr, func);
return(ptr);
}
public static void Schedule(PythonFunction func, double Time)
{
Timer timer = new Timer();
timer.Interval = Time * 1000;
timer.Elapsed += delegate(object sender, ElapsedEventArgs args){
timer.Stop();
ResourceManager.Engine.Operations.Invoke(func);
};
timer.Start();
}
private void AddTask(PythonFunction task, Func <int, int> interval, int executeTimes, int waitTime, bool withArg = false)
{
if (withArg)
{
AddTask(new ScheduledTask(t => PythonCalls.Call(task, t), interval, executeTimes, waitTime));
}
else
{
AddTask(new ScheduledTask(t => PythonCalls.Call(task), interval, executeTimes, waitTime));
}
}
public static object signal(CodeContext /*!*/ context, int sig, object action)
{
//Negative scenarios - sig
if (sig < 1 || sig >= NSIG)
{
throw PythonOps.ValueError("signal number out of range");
}
else if (Array.IndexOf(_PySupportedSignals, sig) == -1)
{
throw new RuntimeException("no IronPython support for given signal");
}
//Negative scenarios - action
if (action == null)
{
throw PythonOps.TypeError("signal handler must be signal.SIG_IGN, signal.SIG_DFL, or a callable object");
}
else if (action.GetType() == typeof(int))
{
int tempAction = (int)action;
if (tempAction != SIG_DFL && tempAction != SIG_IGN)
{
throw PythonOps.TypeError("signal handler must be signal.SIG_IGN, signal.SIG_DFL, or a callable object");
}
}
else if (action == default_int_handler)
{
//no-op
}
else
{
//Must match the signature of PySignalHandler
PythonFunction result = action as PythonFunction;
if (result == null)
{
//It could still be something like a type that implements __call__
if (!PythonOps.IsCallable(context, action))
{
throw PythonOps.TypeError("signal handler must be signal.SIG_IGN, signal.SIG_DFL, or a callable object");
}
}
}
object last_handler = null;
lock (GetPythonSignalState(context).PySignalToPyHandler) {
//CPython returns the previous handler for the signal
last_handler = getsignal(context, sig);
//Set the new action
GetPythonSignalState(context).PySignalToPyHandler[sig] = action;
}
return(last_handler);
}
public override string GetNodeName(ITreeNavigator thisNode, object dataObject)
{
PythonFunction pyNode = dataObject as PythonFunction;
List <string> args = new List <string> ();
foreach (PythonArgument pyArg in pyNode.Arguments)
{
args.Add(pyArg.Name);
}
return(pyNode.Name + "(" + String.Join(", ", args.ToArray()) + ")");
}
public Func <object, Task <object> > CompileFunc(IDictionary <string, object> parameters)
{
string source = this.NormalizeSource((string)parameters["source"]);
bool sync = false;
object tmp;
if (parameters.TryGetValue("sync", out tmp))
{
sync = (bool)tmp;
}
// Compile to a Python lambda expression
ScriptEngine engine = Python.CreateEngine();
ScriptSource script = engine.CreateScriptSourceFromString(source, "path-to-py");
PythonFunction pythonFunc = script.Execute() as PythonFunction;
if (pythonFunc == null)
{
throw new InvalidOperationException("The Python code must evaluate to a Python lambda expression that takes one parameter, e.g. `lambda x: x + 1`.");
}
ObjectOperations operations = engine.CreateOperations();
// create a Func<object,Task<object>> delegate around the method invocation using reflection
if (sync)
{
return((input) =>
{
object ret = operations.Invoke(pythonFunc, new object[] { input });
return Task.FromResult <object>(ret);
});
}
else
{
return((input) =>
{
var task = new Task <object>(() =>
{
object ret = operations.Invoke(pythonFunc, new object[] { input });
return ret;
});
task.Start();
return task;
});
}
}
public static dynamic CallFunction(PythonFunction pythonFunction, List <object> arguments = null)
{
List <string> textArguments = null;
if (arguments != null)
{
textArguments = EscapeArguments(arguments);
}
return(CallFunction(
pythonFunction.ToString(),
textArguments
));
}
public override void Init()
{
try
{
scriptSource = Engine.CreateScriptSourceFromFile(Path);
compiledCode = scriptSource.Compile();
compiledCode.Execute(Scope);
PythonFunction InitAction = (PythonFunction)GetVariable("Init");
PythonCalls.Call(codeContext, InitAction);
}
catch (ImportException e)
{
}
}
public void Init()
{
try
{
Reload();
InitThreadId = Thread.CurrentThread.ManagedThreadId;
Engine.SetTrace(OnTracebackReceived);
PythonFunction InitAction = (PythonFunction)GetVariable("Init");
PythonCalls.Call(codeContext, InitAction);
}
catch (ImportException e)
{
}
}
public void Load(string file)
{
var source = File.ReadAllText(file);
ScriptEngine engine = Python.CreateEngine();
engine.SetSearchPaths(new string[] {
Path.Combine(_basePath, "ironpython", "lib")
});
ScriptSource script = engine.CreateScriptSourceFromString(source);
_pythonFunc = script.Execute() as PythonFunction;
if (_pythonFunc == null)
{
throw new InvalidOperationException("The Python code must evaluate to a Python lambda expression that takes one parameter, e.g. `lambda x: x + 1`.");
}
_operations = engine.CreateOperations();
}
public override bool Walk(FunctionDefinition node)
{
if (node.IsLambda)
{
return(base.Walk(node));
}
var function = new PythonFunction()
{
Name = node.Name,
Region = GetDomRegion(node),
Documentation = node.Documentation
};
var parameters = node.Parameters;
for (int i = 0; i < parameters.Count; i++)
{
var param = parameters [i];
string name = param.Name;
if (param.IsList)
{
name = "*" + name;
}
else if (param.IsDictionary)
{
name = "**" + name;
}
var p = new PythonArgument()
{
Name = name,
Position = i
};
function.Arguments.Add(p);
}
containers.Peek().Functions.Add(function);
containers.Push(function);
return(base.Walk(node));
}
/// <summary>キャラを定められた仕様にもとづいてロードする。失敗すると例外が飛んでくる</summary>
public static IHarrietCharacter LoadCharacter(string characterName)
{
var engine = Python.CreateEngine();
//名前参照にexeのディレクトリとキャラのディレクトリを追加
var paths = engine.GetSearchPaths();
paths.Add(Environment.CurrentDirectory);
paths.Add(DirectoryNames.GetCharacterScriptDirectory(characterName));
paths.Add(DirectoryNames.GetCharacterLoadedDirectory(characterName));
engine.SetSearchPaths(paths);
string path = GetInitializeScriptPath(characterName);
if (!File.Exists(path))
{
throw new FileNotFoundException($"file '{path}' was not found: this is needed to load character data");
}
engine.ExecuteFile(path, engine.Runtime.Globals);
dynamic loadFunction;
bool result = engine.Runtime.Globals.TryGetVariable(CharacterLoadFunction, out loadFunction);
if (!result)
{
throw new InvalidOperationException($"'{CharacterLoadFunction}' function does not exist in '{path}'");
}
PythonFunction function = loadFunction as PythonFunction;
if (function == null)
{
throw new InvalidOperationException($"'{CharacterLoadFunction}' defined in '{path}' is not function");
}
IHarrietCharacter character = loadFunction() as IHarrietCharacter;
if (character == null)
{
throw new InvalidOperationException($"{CharacterLoadFunction} result does not implements IHarrietCharacter");
}
return(character);
}
// We only try to add simple member expr, such "self.something",
// which are most likely all the possibilites to declare/initialize
// a class attribute (field).
static bool IsSelfAttr(PythonFunction func, MemberExpression expr, out string attrName)
{
attrName = null;
// NameExpression -> Simple name access
var target = expr.Target as NameExpression;
if (target == null)
{
return(false);
}
if (func.Arguments.Count == 0 ||
func.Arguments [0].Name != target.Name)
{
return(false);
}
attrName = expr.Name; // self.Name
return(true);
}
private static void MapPythonFunction(IMethodSymbol target, string functionName, CsPyMapperDictionary typeDictionary)
{
var parameters = target.Parameters.Select(p => GetPythonParameter(p, typeDictionary)).ToList();
PythonClass pythonClass;
if (target.IsStatic)
{
pythonClass = parameters[0].Type.Node as PythonClass;
}
else
{
pythonClass = typeDictionary[target.ContainingType];
parameters.Insert(0, new PythonParameter("self", new PythonType(pythonClass)));
}
var returnType = typeDictionary.GetPythonType(target.ReturnType);
var pythonFunction = PythonFunction.Create(functionName, returnType, parameters);
pythonClass.Children.Add(functionName, pythonFunction);
}
public MetaPythonFunction(Expression/*!*/ expression, BindingRestrictions/*!*/ restrictions, PythonFunction/*!*/ value)
: base(expression, BindingRestrictions.Empty, value) {
Assert.NotNull(value);
}
public static int Where(this PythonList list, PythonFunction function)
{
return(42);
}
public void AddTask(PythonFunction task, int interval, int executeTimes, int waitTime, bool withArg = false)
{
AddTask(task, i => interval, executeTimes, waitTime, withArg);
}
public void AddTask(PythonFunction task, PythonFunction interval, int executeTimes, int waitTime, bool withArg = false)
{
AddTask(task, i => (int)PythonCalls.Call(interval, i), executeTimes, waitTime, withArg);
}
public static object OriginalCallTarget10(PythonFunction function, object arg0, object arg1, object arg2, object arg3, object arg4, object arg5, object arg6, object arg7, object arg8, object arg9)
{
function.__code__.LazyCompileFirstTarget(function);
return(((Func <PythonFunction, object, object, object, object, object, object, object, object, object, object, object>)function.__code__.Target)(function, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9));
}
public static object OriginalCallTarget4(PythonFunction function, object arg0, object arg1, object arg2, object arg3)
{
function.__code__.LazyCompileFirstTarget(function);
return(((Func <PythonFunction, object, object, object, object, object>)function.__code__.Target)(function, arg0, arg1, arg2, arg3));
}
static ExceptionConverter()
{
exceptionInitMethod = new FunctionX(null, "__init__", new CallTargetN(ExceptionConverter.ExceptionInit), new string[] { "args" }, Ops.EMPTY, FunctionAttributes.ArgumentList);
exceptionGetItemMethod = new FunctionX(null, "__getitem__", new CallTargetN(ExceptionConverter.ExceptionGetItem), new string[] { "args" }, Ops.EMPTY, FunctionAttributes.ArgumentList);
exceptionStrMethod = new FunctionX(null, "__str__", new CallTargetN(ExceptionConverter.ExceptionToString), new string[] { "args" }, Ops.EMPTY, FunctionAttributes.ArgumentList);
exceptionGetStateMethod= new FunctionX(null, "__getstate__", new CallTargetN(ExceptionConverter.ExceptionGetState), new string[] { "args" }, Ops.EMPTY, FunctionAttributes.ArgumentList);
syntaxErrorStrMethod = new FunctionX(null, "__str__",
new CallTargetN(ExceptionConverter.SyntaxErrorToString), new string[] { "args" }, Ops.EMPTY, FunctionAttributes.ArgumentList);
unicodeErrorInit = new FunctionX(null,
"__init__",
new CallTargetN(ExceptionConverter.UnicodeErrorInit),
new string[] { "self", "encoding", "object", "start", "end", "reason" }, Ops.EMPTY, FunctionAttributes.None);
systemExitInitMethod = new FunctionX(null, "__init__", new CallTargetN(ExceptionConverter.SystemExitExceptionInit), new string[] { "args" }, Ops.EMPTY, FunctionAttributes.ArgumentList);
for (int i = 0; i < exceptionMappings.Length; i++) {
CreateExceptionMapping(null, exceptionMappings[i]);
}
defaultExceptionBaseType = nameToPython[new QualifiedExceptionName("Exception", defaultExceptionModule)];
// we also have a couple of explicit bonus mappings.
clrToPython[typeof(InvalidCastException)] = GetPythonException("TypeError");
clrToPython[typeof(ArgumentNullException)] = GetPythonException("TypeError");
}