@Nullable
private PyType getImplicitlyResolvedType(
@NotNull List<Token<PyElementType>> tokens,
@NotNull TypeEvalContext context,
@NotNull Map<TextRange, PyType> types,
@NotNull Map<PyType, TextRange> fullRanges,
TextRange firstRange) {
PyType type = null;
QualifiedName qName = null;
while (!tokens.isEmpty()) {
final Token<PyElementType> token = tokens.get(0);
final String name = token.getText().toString();
qName = qName != null ? qName.append(name) : QualifiedName.fromComponents(name);
PsiElement module =
new QualifiedNameResolverImpl(qName).fromElement(myAnchor).firstResult();
if (module == null) {
break;
}
if (module instanceof PsiDirectory) {
module = PyUtil.getPackageElement((PsiDirectory) module, myAnchor);
}
if (module instanceof PyTypedElement) {
final PyType moduleType = context.getType((PyTypedElement) module);
if (moduleType != null) {
type = moduleType;
types.put(token.getRange(), type);
fullRanges.put(
type,
TextRange.create(firstRange.getStartOffset(), token.getRange().getEndOffset()));
}
}
tokens.remove(0);
}
return type;
}
public static ResolveResultList rateResults(List<? extends PsiElement> targets) {
ResolveResultList ret = new ResolveResultList();
for (PsiElement target : targets) {
if (target instanceof PsiDirectory) {
target = PyUtil.getPackageElement((PsiDirectory) target, null);
}
if (target != null) {
int rate = RatedResolveResult.RATE_HIGH;
if (target instanceof PyFile) {
for (PyResolveResultRater rater :
Extensions.getExtensions(PyResolveResultRater.EP_NAME)) {
rate += rater.getImportElementRate(target);
}
} else if (isDunderAll(target)) {
rate = RatedResolveResult.RATE_NORMAL;
}
ret.poke(target, rate);
}
}
return ret;
}
@NotNull
public static List<RatedResolveResult> resolveNameInFromImport(
PyFromImportStatement importStatement, @NotNull QualifiedName qName) {
PsiFile file = importStatement.getContainingFile().getOriginalFile();
String name = qName.getComponents().get(0);
final List<PsiElement> candidates = importStatement.resolveImportSourceCandidates();
List<PsiElement> resultList = new ArrayList<PsiElement>();
for (PsiElement candidate : candidates) {
if (!candidate.isValid()) {
throw new PsiInvalidElementAccessException(
candidate,
"Got an invalid candidate from resolveImportSourceCandidates(): "
+ candidate.getClass());
}
if (candidate instanceof PsiDirectory) {
candidate = PyUtil.getPackageElement((PsiDirectory) candidate, importStatement);
}
List<RatedResolveResult> results = resolveChildren(candidate, name, file, false, true);
if (!results.isEmpty()) {
for (RatedResolveResult result : results) {
final PsiElement element = result.getElement();
if (element != null) {
if (!element.isValid()) {
throw new PsiInvalidElementAccessException(
element, "Got an invalid candidate from resolveChild(): " + element.getClass());
}
resultList.add(element);
}
}
}
}
if (!resultList.isEmpty()) {
return rateResults(resultList);
}
return Collections.emptyList();
}