/// <summary>
/// PyDict Constructor
/// </summary>
/// <remarks>
/// Creates a new Python dictionary object.
/// </remarks>
public PyDict() : base(Runtime.PyDict_New())
{
if (obj == IntPtr.Zero)
{
throw new PythonException();
}
}
internal CLRObject(object ob, IntPtr tp)
{
IntPtr py = Runtime.PyType_GenericAlloc(tp, 0);
long flags = Util.ReadCLong(tp, TypeOffset.tp_flags);
if ((flags & TypeFlags.Subclass) != 0)
{
IntPtr dict = Marshal.ReadIntPtr(py, ObjectOffset.TypeDictOffset(tp));
if (dict == IntPtr.Zero)
{
dict = Runtime.PyDict_New();
Marshal.WriteIntPtr(py, ObjectOffset.TypeDictOffset(tp), dict);
}
}
GCHandle gc = GCHandle.Alloc(this);
Marshal.WriteIntPtr(py, ObjectOffset.magic(tp), (IntPtr)gc);
tpHandle = tp;
pyHandle = py;
gcHandle = gc;
inst = ob;
// for performance before calling SetArgsAndCause() lets check if we are an exception
if (inst is Exception)
{
// Fix the BaseException args (and __cause__ in case of Python 3)
// slot if wrapping a CLR exception
Exceptions.SetArgsAndCause(py);
}
}
internal CLRObject(object ob, IntPtr tp)
{
System.Diagnostics.Debug.Assert(tp != IntPtr.Zero);
IntPtr py = Runtime.PyType_GenericAlloc(tp, 0);
long flags = Util.ReadCLong(tp, TypeOffset.tp_flags);
if ((flags & TypeFlags.Subclass) != 0)
{
IntPtr dict = Marshal.ReadIntPtr(py, ObjectOffset.TypeDictOffset(tp));
if (dict == IntPtr.Zero)
{
dict = Runtime.PyDict_New();
Marshal.WriteIntPtr(py, ObjectOffset.TypeDictOffset(tp), dict);
}
}
GCHandle gc = AllocGCHandle(TrackTypes.Wrapper);
Marshal.WriteIntPtr(py, ObjectOffset.magic(tp), (IntPtr)gc);
tpHandle = tp;
pyHandle = py;
inst = ob;
// Fix the BaseException args (and __cause__ in case of Python 3)
// slot if wrapping a CLR exception
Exceptions.SetArgsAndCause(py);
}
internal CLRObject(Object ob, IntPtr tp) : base()
{
IntPtr py = Runtime.PyType_GenericAlloc(tp, 0);
int flags = (int)Marshal.ReadIntPtr(tp, TypeOffset.tp_flags);
if ((flags & TypeFlags.Subclass) != 0)
{
IntPtr dict = Marshal.ReadIntPtr(py, ObjectOffset.ob_dict);
if (dict == IntPtr.Zero)
{
dict = Runtime.PyDict_New();
Marshal.WriteIntPtr(py, ObjectOffset.ob_dict, dict);
}
}
GCHandle gc = GCHandle.Alloc(this);
Marshal.WriteIntPtr(py, ObjectOffset.magic(), (IntPtr)gc);
this.tpHandle = tp;
this.pyHandle = py;
this.gcHandle = gc;
inst = ob;
//DebugUtil.DumpInst(py);
}
internal CLRObject(Object ob, IntPtr tp) : base()
{
IntPtr py = Runtime.PyType_GenericAlloc(tp, 0);
int flags = (int)Marshal.ReadIntPtr(tp, TypeOffset.tp_flags);
if ((flags & TypeFlags.Subclass) != 0)
{
IntPtr dict = Marshal.ReadIntPtr(py, ObjectOffset.DictOffset(tp));
if (dict == IntPtr.Zero)
{
dict = Runtime.PyDict_New();
Marshal.WriteIntPtr(py, ObjectOffset.DictOffset(tp), dict);
}
}
GCHandle gc = GCHandle.Alloc(this);
Marshal.WriteIntPtr(py, ObjectOffset.magic(tp), (IntPtr)gc);
this.tpHandle = tp;
this.pyHandle = py;
this.gcHandle = gc;
inst = ob;
// Fix the BaseException args (and __cause__ in case of Python 3)
// slot if wrapping a CLR exception
Exceptions.SetArgsAndCause(py);
}
public static IntPtr CreateObjectType()
{
IntPtr globals = Runtime.PyDict_New();
if (Runtime.PyDict_SetItemString(globals, "__builtins__", Runtime.PyEval_GetBuiltins()) != 0)
{
Runtime.XDecref(globals);
throw new PythonException();
}
const string code = "class A(object): pass";
var resRef = Runtime.PyRun_String(code, RunFlagType.File, globals, globals);
IntPtr res = resRef.DangerousGetAddress();
if (res == IntPtr.Zero)
{
try
{
throw new PythonException();
}
finally
{
Runtime.XDecref(globals);
}
}
resRef.Dispose();
IntPtr A = Runtime.PyDict_GetItemString(globals, "A");
Debug.Assert(A != IntPtr.Zero);
Runtime.XIncref(A);
Runtime.XDecref(globals);
return(A);
}
public ModuleObject(string name) : base()
{
moduleName = (name == String.Empty) ? "CLR" : name;
cache = new Hashtable();
_namespace = name;
dict = Runtime.PyDict_New();
IntPtr pyname = Runtime.PyString_FromString(moduleName);
Runtime.PyDict_SetItemString(dict, "__name__", pyname);
Runtime.PyDict_SetItemString(dict, "__file__", Runtime.PyNone);
Runtime.PyDict_SetItemString(dict, "__doc__", Runtime.PyNone);
Runtime.Decref(pyname);
Marshal.WriteIntPtr(this.pyHandle, ObjectOffset.ob_dict, dict);
// This hackery is required in order to allow a plain Python to
// import the managed runtime via the CLR bootstrapper module.
// The standard Python machinery in control at the time of the
// import requires the module to pass PyModule_Check. :(
if (!hacked)
{
IntPtr type = this.tpHandle;
IntPtr mro = Marshal.ReadIntPtr(type, TypeOffset.tp_mro);
IntPtr ext = Runtime.ExtendTuple(mro, Runtime.PyModuleType);
Marshal.WriteIntPtr(type, TypeOffset.tp_mro, ext);
Runtime.Decref(mro);
hacked = true;
}
}
internal static void SetupExceptionHack()
{
ns_exc = ClassManager.GetClass(typeof(Exception)).pyHandle;
cache = new Hashtable();
string code =
"import exceptions\n" +
"class Exception(exceptions.Exception):\n" +
" _class = None\n" +
" _inner = None\n" +
"\n" +
" def __init__(self, *args, **kw):\n" +
" inst = self.__class__._class(*args, **kw)\n" +
" self.__dict__['_inner'] = inst\n" +
" exceptions.Exception.__init__(self, *args, **kw)\n" +
"\n" +
" def __getattr__(self, name, _marker=[]):\n" +
" inner = self.__dict__['_inner']\n" +
" v = getattr(inner, name, _marker)\n" +
" if v is not _marker:\n" +
" return v\n" +
" v = self.__dict__.get(name, _marker)\n" +
" if v is not _marker:\n" +
" return v\n" +
" raise AttributeError(name)\n" +
"\n" +
" def __setattr__(self, name, value):\n" +
" inner = self.__dict__['_inner']\n" +
" setattr(inner, name, value)\n" +
"\n" +
" def __str__(self):\n" +
" inner = self.__dict__.get('_inner')\n" +
" msg = getattr(inner, 'Message', '')\n" +
" st = getattr(inner, 'StackTrace', '')\n" +
" st = st and '\\n' + st or ''\n" +
" return msg + st\n" +
"\n";
IntPtr dict = Runtime.PyDict_New();
IntPtr builtins = Runtime.PyEval_GetBuiltins();
Runtime.PyDict_SetItemString(dict, "__builtins__", builtins);
IntPtr namestr = Runtime.PyString_FromString("System");
Runtime.PyDict_SetItemString(dict, "__name__", namestr);
Runtime.Decref(namestr);
Runtime.PyDict_SetItemString(dict, "__file__", Runtime.PyNone);
Runtime.PyDict_SetItemString(dict, "__doc__", Runtime.PyNone);
IntPtr flag = Runtime.Py_file_input;
IntPtr done = Runtime.PyRun_String(code, flag, dict, dict);
os_exc = Runtime.PyDict_GetItemString(dict, "Exception");
Runtime.PyObject_SetAttrString(os_exc, "_class", ns_exc);
Runtime.PyErr_Clear();
}
/// <summary>
/// PyDict Constructor
/// </summary>
/// <remarks>
/// Creates a new Python dictionary object.
/// </remarks>
public PyDict()
{
obj = Runtime.PyDict_New();
if (obj == IntPtr.Zero)
{
throw new PythonException();
}
}
/// <summary>
/// RunString Method
/// </summary>
/// <remarks>
/// Run a string containing Python code. Returns the result of
/// executing the code string as a PyObject instance, or null if
/// an exception was raised.
/// </remarks>
public static PyObject RunString(
string code, IntPtr?globals = null, IntPtr?locals = null
)
{
var borrowedGlobals = true;
if (globals == null)
{
globals = Runtime.PyEval_GetGlobals();
if (globals == IntPtr.Zero)
{
globals = Runtime.PyDict_New();
Runtime.PyDict_SetItemString(
globals.Value, "__builtins__",
Runtime.PyEval_GetBuiltins()
);
borrowedGlobals = false;
}
}
var borrowedLocals = true;
if (locals == null)
{
locals = Runtime.PyDict_New();
borrowedLocals = false;
}
var flag = (IntPtr)257; /* Py_file_input */
try
{
IntPtr result = Runtime.PyRun_String(
code, flag, globals.Value, locals.Value
);
Py.Throw();
return(new PyObject(result));
}
finally
{
if (!borrowedLocals)
{
Runtime.XDecref(locals.Value);
}
if (!borrowedGlobals)
{
Runtime.XDecref(globals.Value);
}
}
}
/// <summary>
/// Internal RunString Method.
/// </summary>
/// <remarks>
/// Run a string containing Python code. Returns the result of
/// executing the code string as a PyObject instance, or null if
/// an exception was raised.
/// </remarks>
internal static PyObject RunString(string code, IntPtr?globals, IntPtr?locals, RunFlagType flag)
{
var borrowedGlobals = true;
if (globals == null)
{
globals = Runtime.PyEval_GetGlobals();
if (globals == IntPtr.Zero)
{
globals = Runtime.PyDict_New();
Runtime.PyDict_SetItemString(
globals.Value, "__builtins__",
Runtime.PyEval_GetBuiltins()
);
borrowedGlobals = false;
}
}
if (locals == null)
{
locals = globals;
}
try
{
NewReference result = Runtime.PyRun_String(
code, (IntPtr)flag, globals.Value, locals.Value
);
try
{
Runtime.CheckExceptionOccurred();
return(result.MoveToPyObject());
}
finally
{
result.Dispose();
}
}
finally
{
if (!borrowedGlobals)
{
Runtime.XDecref(globals.Value);
}
}
}
/// <summary>
/// RunString Method
/// </summary>
///
/// <remarks>
/// Run a string containing Python code. Returns the result of
/// executing the code string as a PyObject instance, or null if
/// an exception was raised.
/// </remarks>
public static PyObject RunString(string code)
{
IntPtr globals = Runtime.PyEval_GetGlobals();
IntPtr locals = Runtime.PyDict_New();
IntPtr builtins = Runtime.PyEval_GetBuiltins();
Runtime.PyDict_SetItemString(locals, "__builtins__", builtins);
IntPtr flag = (IntPtr)257; /* Py_file_input */
IntPtr result = Runtime.PyRun_String(code, flag, globals, locals);
Runtime.Decref(locals);
if (result == IntPtr.Zero)
{
return(null);
}
return(new PyObject(result));
}
public ModuleObject(string name)
{
if (name == string.Empty)
{
throw new ArgumentException("Name must not be empty!");
}
moduleName = name;
cache = new Dictionary <string, ManagedType>();
_namespace = name;
// Use the filename from any of the assemblies just so there's something for
// anything that expects __file__ to be set.
var filename = "unknown";
var docstring = "Namespace containing types from the following assemblies:\n\n";
foreach (Assembly a in AssemblyManager.GetAssemblies(name))
{
if (!a.IsDynamic && a.Location != null)
{
filename = a.Location;
}
docstring += "- " + a.FullName + "\n";
}
dict = Runtime.PyDict_New();
IntPtr pyname = Runtime.PyString_FromString(moduleName);
IntPtr pyfilename = Runtime.PyString_FromString(filename);
IntPtr pydocstring = Runtime.PyString_FromString(docstring);
IntPtr pycls = TypeManager.GetTypeHandle(GetType());
Runtime.PyDict_SetItem(dict, PyIdentifier.__name__, pyname);
Runtime.PyDict_SetItem(dict, PyIdentifier.__file__, pyfilename);
Runtime.PyDict_SetItem(dict, PyIdentifier.__doc__, pydocstring);
Runtime.PyDict_SetItem(dict, PyIdentifier.__class__, pycls);
Runtime.XDecref(pyname);
Runtime.XDecref(pyfilename);
Runtime.XDecref(pydocstring);
Runtime.XIncref(dict);
SetObjectDict(pyHandle, dict);
InitializeModuleMembers();
}
public static IntPtr CreateObjectType()
{
using var globals = NewReference.DangerousFromPointer(Runtime.PyDict_New());
if (Runtime.PyDict_SetItemString(globals, "__builtins__", Runtime.PyEval_GetBuiltins()) != 0)
{
globals.Dispose();
throw new PythonException();
}
const string code = "class A(object): pass";
using var resRef = Runtime.PyRun_String(code, RunFlagType.File, globals, globals);
if (resRef.IsNull())
{
globals.Dispose();
throw new PythonException();
}
resRef.Dispose();
BorrowedReference A = Runtime.PyDict_GetItemString(globals, "A");
Debug.Assert(!A.IsNull);
return(new NewReference(A).DangerousMoveToPointer());
}
internal static IntPtr GenerateExceptionClass(IntPtr real)
{
if (real == ns_exc)
{
return(os_exc);
}
IntPtr nbases = Runtime.PyObject_GetAttrString(real, "__bases__");
if (Runtime.PyTuple_Size(nbases) != 1)
{
throw new SystemException("Invalid __bases__");
}
IntPtr nsbase = Runtime.PyTuple_GetItem(nbases, 0);
Runtime.Decref(nbases);
IntPtr osbase = GetExceptionClassWrapper(nsbase);
IntPtr baselist = Runtime.PyTuple_New(1);
Runtime.Incref(osbase);
Runtime.PyTuple_SetItem(baselist, 0, osbase);
IntPtr name = Runtime.PyObject_GetAttrString(real, "__name__");
IntPtr dict = Runtime.PyDict_New();
IntPtr mod = Runtime.PyObject_GetAttrString(real, "__module__");
Runtime.PyDict_SetItemString(dict, "__module__", mod);
Runtime.Decref(mod);
IntPtr subc = Runtime.PyClass_New(baselist, dict, name);
Runtime.Decref(baselist);
Runtime.Decref(dict);
Runtime.Decref(name);
Runtime.PyObject_SetAttrString(subc, "_class", real);
return(subc);
}
public ModuleObject(string name) : base()
{
if (name == String.Empty)
{
throw new ArgumentException("Name must not be empty!");
}
moduleName = name;
cache = new Dictionary <string, ManagedType>();
_namespace = name;
dict = Runtime.PyDict_New();
IntPtr pyname = Runtime.PyString_FromString(moduleName);
Runtime.PyDict_SetItemString(dict, "__name__", pyname);
Runtime.PyDict_SetItemString(dict, "__file__", Runtime.PyNone);
Runtime.PyDict_SetItemString(dict, "__doc__", Runtime.PyNone);
Runtime.Decref(pyname);
Marshal.WriteIntPtr(this.pyHandle, ObjectOffset.ob_dict, dict);
InitializeModuleMembers();
}
public ModuleObject(string name) : base()
{
if (name == String.Empty)
{
throw new ArgumentException("Name must not be empty!");
}
moduleName = name;
cache = new Dictionary <string, ManagedType>();
_namespace = name;
// Use the filename from any of the assemblies just so there's something for
// anything that expects __file__ to be set.
string filename = "unknown";
string docstring = "Namespace containing types from the following assemblies:\n\n";
foreach (Assembly a in AssemblyManager.GetAssemblies(name))
{
filename = a.Location;
docstring += "- " + a.FullName + "\n";
}
dict = Runtime.PyDict_New();
IntPtr pyname = Runtime.PyString_FromString(moduleName);
IntPtr pyfilename = Runtime.PyString_FromString(filename);
IntPtr pydocstring = Runtime.PyString_FromString(docstring);
IntPtr pycls = TypeManager.GetTypeHandle(this.GetType());
Runtime.PyDict_SetItemString(dict, "__name__", pyname);
Runtime.PyDict_SetItemString(dict, "__file__", pyfilename);
Runtime.PyDict_SetItemString(dict, "__doc__", pydocstring);
Runtime.PyDict_SetItemString(dict, "__class__", pycls);
Runtime.Decref(pyname);
Runtime.Decref(pyfilename);
Runtime.Decref(pydocstring);
Marshal.WriteIntPtr(this.pyHandle, ObjectOffset.DictOffset(this.pyHandle), dict);
InitializeModuleMembers();
}
