Example #1
0
    def _goto_assignments(self, only_stubs=False, prefer_stubs=False):
        assert not (only_stubs and prefer_stubs)

        if not self._name.is_context_name:
            return []

        names = convert_names(
            self._name.goto(),
            only_stubs=only_stubs,
            prefer_stubs=prefer_stubs,
        )
        return [self if n == self._name else Definition(self._evaluator, n)
                for n in names]
Example #2
0
    def _infer(self, only_stubs=False, prefer_stubs=False):
        assert not (only_stubs and prefer_stubs)

        if not self._name.is_context_name:
            return []

        # First we need to make sure that we have stub names (if possible) that
        # we can follow. If we don't do that, we can end up with the inferred
        # results of Python objects instead of stubs.
        names = convert_names([self._name], prefer_stubs=True)
        contexts = convert_contexts(
            ContextSet.from_sets(n.infer() for n in names),
            only_stubs=only_stubs,
            prefer_stubs=prefer_stubs,
        )
        resulting_names = [c.name for c in contexts]
        return [self if n == self._name else Definition(self._evaluator, n)
                for n in resulting_names]
Example #3
0
    def _goto_assignments(self,
                          follow_imports,
                          follow_builtin_imports,
                          only_stubs=False,
                          prefer_stubs=False):
        def filter_follow_imports(names, check):
            for name in names:
                if check(name):
                    new_names = list(filter_follow_imports(name.goto(), check))
                    found_builtin = False
                    if follow_builtin_imports:
                        for new_name in new_names:
                            if new_name.start_pos is None:
                                found_builtin = True

                    if found_builtin:
                        yield name
                    else:
                        for new_name in new_names:
                            yield new_name
                else:
                    yield name

        tree_name = self._module_node.get_name_of_position(self._pos)
        if tree_name is None:
            # Without a name we really just want to jump to the result e.g.
            # executed by `foo()`, if we the cursor is after `)`.
            return self.goto_definitions(only_stubs=only_stubs,
                                         prefer_stubs=prefer_stubs)
        context = self._evaluator.create_context(self._get_module(), tree_name)
        names = list(self._evaluator.goto(context, tree_name))

        if follow_imports:
            names = filter_follow_imports(names, lambda name: name.is_import())
        names = convert_names(
            names,
            only_stubs=only_stubs,
            prefer_stubs=prefer_stubs,
        )

        defs = [classes.Definition(self._evaluator, d) for d in set(names)]
        return helpers.sorted_definitions(defs)