| private PyObject_IsSubclass ( IntPtr ob, IntPtr type ) : int | ||
| ob | IntPtr | |
| type | IntPtr | |
| return | int | |
//====================================================================
// helper methods for raising warnings
//====================================================================
/// <summary>
/// Alias for Python's warnings.warn() function.
/// </summary>
public static void warn(string message, IntPtr exception, int stacklevel)
{
if (exception == IntPtr.Zero ||
(Runtime.PyObject_IsSubclass(exception, Exceptions.Warning) != 1))
{
Exceptions.RaiseTypeError("Invalid exception");
}
Runtime.XIncref(warnings_module);
IntPtr warn = Runtime.PyObject_GetAttrString(warnings_module, "warn");
Runtime.XDecref(warnings_module);
Exceptions.ErrorCheck(warn);
IntPtr args = Runtime.PyTuple_New(3);
IntPtr msg = Runtime.PyString_FromString(message);
Runtime.XIncref(exception); // PyTuple_SetItem steals a reference
IntPtr level = Runtime.PyInt_FromInt32(stacklevel);
Runtime.PyTuple_SetItem(args, 0, msg);
Runtime.PyTuple_SetItem(args, 1, exception);
Runtime.PyTuple_SetItem(args, 2, level);
IntPtr result = Runtime.PyObject_CallObject(warn, args);
Exceptions.ErrorCheck(result);
Runtime.XDecref(warn);
Runtime.XDecref(result);
Runtime.XDecref(args);
}
/// <summary>
/// IsSubclass Method
/// </summary>
/// <remarks>
/// Return true if the object is identical to or derived from the
/// given Python type or class. This method always succeeds.
/// </remarks>
public bool IsSubclass(PyObject typeOrClass)
{
int r = Runtime.PyObject_IsSubclass(obj, typeOrClass.obj);
if (r < 0)
{
Runtime.PyErr_Clear();
return(false);
}
return(r != 0);
}
/// <summary>
/// IsSubclass Method
/// </summary>
/// <remarks>
/// Return true if the object is identical to or derived from the
/// given Python type or class. This method always succeeds.
/// </remarks>
public bool IsSubclass(PyObject typeOrClass)
{
if (typeOrClass == null)
{
throw new ArgumentNullException(nameof(typeOrClass));
}
int r = Runtime.PyObject_IsSubclass(obj, typeOrClass.obj);
if (r < 0)
{
Runtime.PyErr_Clear();
return(false);
}
return(r != 0);
}
internal bool IsSubclass(BorrowedReference typeOrClass)
{
if (typeOrClass.IsNull)
{
throw new ArgumentNullException(nameof(typeOrClass));
}
int r = Runtime.PyObject_IsSubclass(Reference, typeOrClass);
if (r < 0)
{
Runtime.PyErr_Clear();
return(false);
}
return(r != 0);
}
//====================================================================
// helper methods for raising warnings
//====================================================================
/// <summary>
/// Alias for Python's warnings.warn() function.
/// </summary>
public static void warn(string message, BorrowedReference exception, int stacklevel)
{
if (exception == null ||
(Runtime.PyObject_IsSubclass(exception, Exceptions.Warning) != 1))
{
Exceptions.RaiseTypeError("Invalid exception");
}
using var warn = Runtime.PyObject_GetAttrString(warnings_module.obj, "warn");
Exceptions.ErrorCheck(warn.Borrow());
using var argsTemp = Runtime.PyTuple_New(3);
BorrowedReference args = argsTemp.BorrowOrThrow();
using var msg = Runtime.PyString_FromString(message);
Runtime.PyTuple_SetItem(args, 0, msg.StealOrThrow());
Runtime.PyTuple_SetItem(args, 1, exception);
using var level = Runtime.PyInt_FromInt32(stacklevel);
Runtime.PyTuple_SetItem(args, 2, level.StealOrThrow());
using var result = Runtime.PyObject_CallObject(warn.Borrow(), args);
Exceptions.ErrorCheck(result.Borrow());
}
