@ExposedNew
public static PyObject float_new(
PyNewWrapper new_, boolean init, PyType subtype, PyObject[] args, String[] keywords) {
ArgParser ap = new ArgParser("float", args, keywords, new String[] {"x"}, 0);
PyObject x = ap.getPyObject(0, null);
if (x == null) {
if (new_.for_type == subtype) {
return new PyFloat(0.0);
} else {
return new PyFloatDerived(subtype, 0.0);
}
} else {
PyFloat floatObject = null;
try {
floatObject = x.__float__();
} catch (PyException e) {
if (e.match(Py.AttributeError)) {
// Translate AttributeError to TypeError
// XXX: We are using the same message as CPython, even if
// it is not strictly correct (instances of types
// that implement the __float__ method are also
// valid arguments)
throw Py.TypeError("float() argument must be a string or a number");
}
throw e;
}
if (new_.for_type == subtype) {
return floatObject;
} else {
return new PyFloatDerived(subtype, floatObject.getValue());
}
}
}
@ExposedNew
public static PyObject complex_new(
PyNewWrapper new_, boolean init, PyType subtype, PyObject[] args, String[] keywords) {
ArgParser ap = new ArgParser("complex", args, keywords, "real", "imag");
PyObject real = ap.getPyObject(0, Py.Zero);
PyObject imag = ap.getPyObject(1, null);
// Special-case for single argument that is already complex
if (real.getType() == TYPE && new_.for_type == subtype && imag == null) {
return real;
}
if (real instanceof PyString) {
if (imag != null) {
throw Py.TypeError("complex() can't take second arg if first is a string");
}
return real.__complex__();
}
if (imag != null && imag instanceof PyString) {
throw Py.TypeError("complex() second arg can't be a string");
}
try {
real = real.__complex__();
} catch (PyException pye) {
if (!Py.matchException(pye, Py.AttributeError)) {
// __complex__ not supported
throw pye;
}
// otherwise try other means
}
PyComplex complexReal;
PyComplex complexImag;
PyFloat toFloat = null;
if (real instanceof PyComplex) {
complexReal = (PyComplex) real;
} else {
try {
toFloat = real.__float__();
} catch (PyException pye) {
if (Py.matchException(pye, Py.AttributeError)) {
// __float__ not supported
throw Py.TypeError("complex() argument must be a string or a number");
}
throw pye;
}
complexReal = new PyComplex(toFloat.getValue());
}
if (imag == null) {
complexImag = new PyComplex(0.0);
} else if (imag instanceof PyComplex) {
complexImag = (PyComplex) imag;
} else {
toFloat = null;
try {
toFloat = imag.__float__();
} catch (PyException pye) {
if (Py.matchException(pye, Py.AttributeError)) {
// __float__ not supported
throw Py.TypeError("complex() argument must be a string or a number");
}
throw pye;
}
complexImag = new PyComplex(toFloat.getValue());
}
complexReal.real -= complexImag.imag;
complexReal.imag += complexImag.real;
if (new_.for_type != subtype) {
complexReal = new PyComplexDerived(subtype, complexReal.real, complexReal.imag);
}
return complexReal;
}