void TestInstance()
{
PythonInstance py = new PythonInstance(@"
import UnityEngine
from UnityEngine import *
class PyClass:
index = 1
def __init__(self):
pass
def somemethod(self):
self.index += 1
Camera.main.transform.position = Vector3(2,2,-5);
Debug.Log(""in some method"" + str(self.index))
def isodd(self, n):
return 1 == n % 2
");
py.CallMethod("somemethod");
py.CallMethod("somemethod");
py.CallMethod("somemethod");
py.CallMethod("somemethod");
Debug.Log(py.CallFunction("isodd", 6));
}
private IMember GetValueFromMember(MemberExpression expr)
{
if (expr?.Target == null || string.IsNullOrEmpty(expr.Name))
{
return(null);
}
IPythonInstance instance = null;
var m = GetValueFromExpression(expr.Target);
if (m is IPythonType typeInfo)
{
var member = typeInfo.GetMember(expr.Name);
// If container is class/type info rather than the instance, then the method is an unbound function.
// Example: C.f where f is a method of C. Compare to C().f where f is bound to the instance of C.
if (member is PythonFunctionType f && !f.IsStatic && !f.IsClassMethod)
{
return(f.ToUnbound());
}
instance = new PythonInstance(typeInfo);
}
instance = instance ?? m as IPythonInstance;
var type = m?.GetPythonType(); // Try inner type
var value = type?.GetMember(expr.Name);
if (type is IPythonModule)
{
return(value);
}
// Class type GetMember returns a type. However, class members are
// mostly instances (consider self.x = 1, x is an instance of int).
// However, it is indeed possible to have them as types, like in
// class X ...
// class C: ...
// self.x = X
// which is somewhat rare as compared to self.x = X() but does happen.
switch (value)
{
case IPythonClassType _:
return(value);
case IPythonPropertyType prop:
return(prop.Call(instance, prop.Name, ArgumentSet.Empty));
case IPythonType p:
return(new PythonBoundType(p, instance, GetLoc(expr)));
case null:
Log?.Log(TraceEventType.Verbose, $"Unknown member {expr.ToCodeString(Ast).Trim()}");
return(UnknownType);
default:
return(value);
}
}
public IMember GetValueFromCallable(CallExpression expr)
{
if (expr?.Target == null)
{
return(null);
}
var target = GetValueFromExpression(expr.Target);
target?.AddReference(GetLocationOfName(expr.Target));
var result = GetValueFromGeneric(target, expr);
if (result != null)
{
return(result);
}
// Should only be two types of returns here. First, an bound type
// so we can invoke Call over the instance. Second, an type info
// so we can create an instance of the type (as in C() where C is class).
IMember value = null;
switch (target)
{
case IPythonBoundType bt: // Bound property, method or an iterator.
value = GetValueFromBound(bt, expr);
break;
case IPythonInstance pi:
value = GetValueFromInstanceCall(pi, expr);
break;
case IPythonFunctionType ft: // Standalone function or a class method call.
var instance = ft.DeclaringType != null ? new PythonInstance(ft.DeclaringType) : null;
value = GetValueFromFunctionType(ft, instance, expr);
break;
case IPythonClassType cls:
value = GetValueFromClassCtor(cls, expr);
break;
case IPythonType t:
// Target is type (info), the call creates instance.
// For example, 'x = C; y = x()' or 'x = C()' where C is class
value = new PythonInstance(t);
break;
}
if (value == null)
{
Log?.Log(TraceEventType.Verbose, $"Unknown callable: {expr.Target.ToCodeString(Ast).Trim()}");
}
return(value);
}
public async Task <IMember> GetValueFromCallableAsync(CallExpression expr, CancellationToken cancellationToken = default)
{
cancellationToken.ThrowIfCancellationRequested();
if (expr?.Target == null)
{
return(null);
}
var target = await GetValueFromExpressionAsync(expr.Target, cancellationToken);
// Should only be two types of returns here. First, an bound type
// so we can invoke Call over the instance. Second, an type info
// so we can create an instance of the type (as in C() where C is class).
IMember value = null;
switch (target)
{
case IPythonBoundType bt: // Bound property, method or an iterator.
value = await GetValueFromBoundAsync(bt, expr, cancellationToken);
break;
case IPythonInstance pi:
value = await GetValueFromInstanceCall(pi, expr, cancellationToken);
break;
case IPythonFunctionType ft: // Standalone function or a class method call.
var instance = ft.DeclaringType != null ? new PythonInstance(ft.DeclaringType) : null;
value = await GetValueFromFunctionTypeAsync(ft, instance, expr, cancellationToken);
break;
case IPythonClassType cls:
value = await GetValueFromClassCtorAsync(cls, expr, cancellationToken);
break;
case IPythonType t:
// Target is type (info), the call creates instance.
// For example, 'x = C; y = x()' or 'x = C()' where C is class
value = new PythonInstance(t, GetLoc(expr));
break;
}
if (value == null)
{
Log?.Log(TraceEventType.Verbose, $"Unknown callable: {expr.Target.ToCodeString(Ast).Trim()}");
}
return(value);
}
public static void main(string[] args)
{
PythonInstance py = new PythonInstance(@"
class PyClass:
def __init__(self):
pass
def somemethod(self):
print 'in some method'
def isodd(self, n):
return 1 == n % 2
");
py.CallMethod("somemethod");
Console.WriteLine(py.CallFunction("isodd", 6));
}
public override bool canPerform(Event proposedEvent, Universe environment)
{
if (!base.canPerform(proposedEvent, environment)) //checks all the dependent subsystems
{
return(false);
}
dynamic perform = PythonInstance.canPerform(proposedEvent, environment);
//This needs to be inside the python canPerform
//IsEvaluated = true;
//if ((bool)perform == false)
// return false;
//var newProf = Convert.ChangeType(CollectorType, DependencyCollector());
//newState.addValue(KEY, );
return((bool)perform);
}
public ScriptedSubsystem(string filePath, string className, Dependencies dependencies, Type collectorType)
{
Name = className;
CollectorType = collectorType;
var engine = Python.CreateEngine();
var scope = engine.CreateScope();
var ops = engine.Operations;
engine.ExecuteFile(filePath, scope);
var pythonType = scope.GetVariable(className);
PythonInstance = ops.CreateInstance(pythonType);
Dictionary <string, Delegate> newDependencies = PythonInstance.getDependencyDictionary();
dependencies.Append(newDependencies);
SubsystemDependencyFunctions = PythonInstance.getDependencyDictionary();
}
private async Task <IMember> GetValueFromMemberAsync(MemberExpression expr, CancellationToken cancellationToken = default)
{
if (expr?.Target == null || string.IsNullOrEmpty(expr.Name))
{
return(null);
}
IPythonInstance instance = null;
var m = await GetValueFromExpressionAsync(expr.Target, cancellationToken);
if (m is IPythonType typeInfo)
{
var member = typeInfo.GetMember(expr.Name);
// If container is class/type info rather than the instance, then the method is an unbound function.
// Example: C.f where f is a method of C. Compare to C().f where f is bound to the instance of C.
if (member is PythonFunctionType f && !f.IsStatic && !f.IsClassMethod)
{
return(f.ToUnbound());
}
instance = new PythonInstance(typeInfo);
}
instance = instance ?? m as IPythonInstance;
var type = m.GetPythonType(); // Try inner type
var value = type?.GetMember(expr.Name);
switch (value)
{
case IPythonClassType _:
return(value);
case IPythonPropertyType prop:
return(prop.Call(instance, prop.Name, ArgumentSet.Empty));
case IPythonType p:
return(new PythonBoundType(p, instance, GetLoc(expr)));
case null:
Log?.Log(TraceEventType.Verbose, $"Unknown member {expr.ToCodeString(Ast).Trim()}");
return(UnknownType);
default:
return(value);
}
}
public ScriptedSubsystem(XmlNode scriptedSubXmlNode, Dependencies dependencies)
{
Name = scriptedSubXmlNode.Attributes["Name"].Value.ToString();
string pythonFilePath = scriptedSubXmlNode.Attributes["src"].Value.ToString();
CollectorType = Type.GetType(scriptedSubXmlNode.Attributes["CollectorType"].Value.ToString());
var engine = Python.CreateEngine();
var scope = engine.CreateScope();
var ops = engine.Operations;
engine.ExecuteFile(pythonFilePath, scope);
var pythonType = scope.GetVariable(Name);
PythonInstance = ops.CreateInstance(pythonType);
Dictionary <string, Delegate> newDependencies = PythonInstance.getDependencyDictionary();
dependencies.Append(newDependencies);
SubsystemDependencyFunctions = PythonInstance.getDependencyDictionary();
}
public IMember GetValueFromIndex(IndexExpression expr)
{
if (expr?.Target == null)
{
return(null);
}
var target = GetValueFromExpression(expr.Target);
// Try generics first since this may be an expression like Dict[int, str]
var result = GetValueFromGeneric(target, expr);
if (result != null)
{
return(result);
}
if (expr.Index is SliceExpression || expr.Index is TupleExpression)
{
// When slicing, assume result is the same type
return(target);
}
var type = target.GetPythonType();
if (type != null)
{
if (!(target is IPythonInstance instance))
{
instance = new PythonInstance(type);
}
var index = GetValueFromExpression(expr.Index);
if (index != null)
{
return(type.Index(instance, new ArgumentSet(new [] { index }, expr, this)));
}
}
return(UnknownType);
}
public async Task <IMember> GetValueFromIndexAsync(IndexExpression expr, CancellationToken cancellationToken = default)
{
if (expr?.Target == null)
{
return(null);
}
var target = await GetValueFromExpressionAsync(expr.Target, cancellationToken);
// If target is a generic type, create specific class
if (target is IGenericType gen)
{
return(await CreateSpecificFromGenericAsync(gen, expr, cancellationToken));
}
if (expr.Index is SliceExpression || expr.Index is TupleExpression)
{
// When slicing, assume result is the same type
return(target);
}
var type = target.GetPythonType();
if (type != null)
{
if (!(target is IPythonInstance instance))
{
instance = new PythonInstance(type);
}
var index = await GetValueFromExpressionAsync(expr.Index, cancellationToken);
return(type.Index(instance, index));
}
return(UnknownType);
}
//public void WriteLog(string info, int type = 3)
//{
// UserInfo userInfo = LoginUserInfo.Get();
// LogEntity logEntity = new LogEntity();
// logEntity.F_CategoryId = type;
// logEntity.F_OperateTypeId = "0";// ((int)OperationType.Visit).ToString();
// logEntity.F_OperateType = "其它";
// logEntity.F_OperateAccount = userInfo.account;
// logEntity.F_OperateUserId = userInfo.userId;
// logEntity.F_Module = "(PYTHON)" + "/Scripts/" + CurrentModuleName + "";
// logEntity.F_ExecuteResult = type == 4 ? 0 : 1;
// logEntity.F_ExecuteResultJson = info;
// logEntity.WriteLog();
//}
#endregion 属性桥接
private ActionResult PY(RouteData Route)
{
/*
* 以双下划线开始并以双下划线结束的控制器名 如要访问person.py 则 /__person__/{action}的方式
*/
string moduleName = Route.Values["controller"].ToString();
string action_name = Route.Values["action"].ToString();
string controller_name = "";
//if (Route["Controller"].ToString() == "Dynamic" && dynamicRoute.Contains("scripts/"))
//{
// string[] tmp = dynamicRoute.Split('/');
// if (tmp.Length > 2)
// {
// moduleName = controller_name = tmp[1];
// action_name = tmp[2];
// }
//}
var s = this.Request.HttpContext;//.RequestContext;
PythonInstance py = null;
//moduleName = moduleName.Replace("__", "");
//controller_name = controller_name.Replace("__", "");
string controler_file = contentRootPath + "/Scripts/Controllers/" + moduleName + "/" + moduleName + ".py";
IList <string> libPath = new List <string>();
libPath.Add(contentRootPath + "/Scripts/Controllers");
dynamic ret = null;
if (System.IO.File.Exists(controler_file))
{
controller_name = moduleName;
try
{
py = new PythonInstance(controler_file, libPath);
}
catch (Exception e)
{
//this.WriteLog(e.Message, 4);
return(Content(e.Message));
}
var p = Route.Values["id"] != null ? Route.Values["id"].ToString() : null;
try
{
py.run(controller_name);
py.CallMethod("initMVC", this);
}
catch (Exception e)
{
//this.WriteLog(e.Message, 4);
return(Content(e.Message));
}
try
{
CurrentModuleName = controller_name + "/" + action_name;
if (p == null)
{
ret = py.CallFunction(action_name);
}
else
{
ret = py.CallFunction(action_name, p);// py.execute_action(controller_name + "." + action_name);
}
}
catch (Exception e)
{
//this.WriteLog(e.Message, 4);
return(Content("模块:" + CurrentModuleName + "(" + e.Message + ")"));
}
if (ret == null)
{
return(Content(""));
}
if (ret.GetType() == typeof(JsonResult) || ret.GetType() == typeof(ActionResult) || ret.GetType() == typeof(ViewResult) || ret.GetType() == typeof(ContentResult))
{
return(ret);
}
}
else
{
//throw new System.Exception("功能未实现");
ret = "脚本未找到";
Response.StatusCode = 404;
//this.WriteLog(ret + ":" + controler_file, 4);
}
var x = new ContentResult();
x.Content = ret;//{new {Content=dynamicRoute}};// View(dynamicRoute);// View(viewFile);
return(x);
}
public override bool canExtend(Event proposedEvent, Universe environment, double evalToTime)
{
dynamic extend = PythonInstance.canExtend(proposedEvent, environment, evalToTime);
return((bool)extend);
}
public PythonCalculatorController(PythonInstance python)
{
_python = python;
}