private void checkAccessor(
PyExpression node, String name, AccessDirection dir, Property property) {
final Maybe<Callable> accessor = property.getByDirection(dir);
if (accessor.isDefined() && accessor.value() == null) {
final String message;
if (dir == AccessDirection.WRITE) {
message = PyBundle.message("INSP.property.$0.cant.be.set", name);
} else if (dir == AccessDirection.DELETE) {
message = PyBundle.message("INSP.property.$0.cant.be.deleted", name);
} else {
message = PyBundle.message("INSP.property.$0.cant.be.read", name);
}
registerProblem(node, message);
}
}
private boolean buildFromProperty(
PsiElement elementDefinition,
@Nullable final PsiElement outerElement,
@NotNull final TypeEvalContext context) {
if (myOriginalElement == null) {
return false;
}
final String elementName = myOriginalElement.getText();
if (!PyNames.isIdentifier(elementName)) {
return false;
}
if (!(outerElement instanceof PyQualifiedExpression)) {
return false;
}
final PyExpression qualifier = ((PyQualifiedExpression) outerElement).getQualifier();
if (qualifier == null) {
return false;
}
final PyType type = context.getType(qualifier);
if (!(type instanceof PyClassType)) {
return false;
}
final PyClass cls = ((PyClassType) type).getPyClass();
final Property property = cls.findProperty(elementName, true, null);
if (property == null) {
return false;
}
final AccessDirection direction = AccessDirection.of((PyElement) outerElement);
final Maybe<PyCallable> accessor = property.getByDirection(direction);
myProlog
.addItem("property ")
.addWith(TagBold, $().addWith(TagCode, $(elementName)))
.addItem(" of ")
.add(PythonDocumentationProvider.describeClass(cls, TagCode, true, true));
if (accessor.isDefined() && property.getDoc() != null) {
myBody.addItem(": ").addItem(property.getDoc()).addItem(BR);
} else {
final PyCallable getter = property.getGetter().valueOrNull();
if (getter != null && getter != myElement && getter instanceof PyFunction) {
// not in getter, getter's doc comment may be useful
final PyStringLiteralExpression docstring = ((PyFunction) getter).getDocStringExpression();
if (docstring != null) {
myProlog
.addItem(BR)
.addWith(TagItalic, $("Copied from getter:"))
.addItem(BR)
.addItem(docstring.getStringValue());
}
}
myBody.addItem(BR);
}
myBody.addItem(BR);
if (accessor.isDefined() && accessor.value() == null) elementDefinition = null;
final String accessorKind = getAccessorKind(direction);
if (elementDefinition != null) {
myEpilog.addWith(TagSmall, $(BR, BR, accessorKind, " of property")).addItem(BR);
}
if (!(elementDefinition instanceof PyDocStringOwner)) {
myBody
.addWith(
TagItalic,
elementDefinition != null ? $("Declaration: ") : $(accessorKind + " is not defined."))
.addItem(BR);
if (elementDefinition != null) {
myBody.addItem(combUp(PyUtil.getReadableRepr(elementDefinition, false)));
}
}
return true;
}