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package org.python.core;
public class PyCallIter extends PyIterator {
private PyObject callable;
private PyObject sentinel;
public PyCallIter(PyObject callable, PyObject sentinel) {
if (!callable.isCallable()) {
throw Py.TypeError("iter(v, w): v must be callable");
}
this.callable = callable;
this.sentinel = sentinel;
}
public PyObject __iternext__() {
if (callable == null) {
return null;
}
PyObject result;
try {
result = callable.__call__();
} catch (PyException exc) {
if (exc.match(Py.StopIteration)) {
callable = null;
stopException = exc;
return null;
}
throw exc;
}
if (result._eq(sentinel).__nonzero__()) {
callable = null;
return null;
}
return result;
}
}
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