Fix for loops and for loops tuple assignments.

jedi/evaluate/__init__.py

@@ -134,20 +134,7 @@ class Evaluator(object):
         types = self.eval_element(stmt.get_rhs())
 
         if seek_name:
-            for index in seek_name.assignment_indexes():
-                new_types = []
-                for r in types:
-                    try:
-                        func = r.get_exact_index_types
-                    except AttributeError:
-                        debug.warning("Invalid tuple lookup #%s of result %s in %s",
-                                      index, types, seek_name)
-                    else:
-                        try:
-                            new_types += func(index)
-                        except IndexError:
-                            pass
-                types = new_types
+            types = finder.check_tuple_assignments(types, seek_name)
 
         ass_details = stmt.assignment_details
         if ass_details and ass_details[0][1] != '=' and not isinstance(stmt, er.InstanceElement):  # TODO don't check for this.

jedi/evaluate/finder.py

@@ -281,8 +281,10 @@ class NameFinder(object):
 
         for name in names:
             typ = name.get_definition()
-            if typ.isinstance(pr.ForFlow):
-                types += self._handle_for_loops(typ)
+            if typ.isinstance(pr.ForStmt):
+                for_types = self._evaluator.eval_element(typ.children[-3])
+                for_types = iterable.get_iterator_types(for_types)
+                types += check_tuple_assignments(for_types, name)
             elif isinstance(typ, pr.Param):
                 types += self._eval_param(typ)
             elif typ.isinstance(pr.ExprStmt):
@@ -391,17 +393,6 @@ class NameFinder(object):
                 return res_new
         return res_new + param.eval(self._evaluator)
 
-    def _handle_for_loops(self, loop):
-        # Take the first statement (for has always only one`in`).
-        if not loop.inputs:
-            return []
-        result = iterable.get_iterator_types(self._evaluator.eval_statement(loop.inputs[0]))
-        if len(loop.set_vars) > 1:
-            expression_list = loop.set_stmt.expression_list()
-            # loops with loop.set_vars > 0 only have one command
-            result = _assign_tuples(expression_list[0], result, unicode(self.name_str))
-        return result
-
     def _resolve_descriptors(self, types):
         """Processes descriptors"""
         if not self.maybe_descriptor:
@@ -643,6 +634,27 @@ def find_assignments(lhs, results, seek_name):
         return []
 
 
+def check_tuple_assignments(types, name):
+    """
+    Checks if tuples are assigned.
+    """
+    for index in name.assignment_indexes():
+        new_types = []
+        for r in types:
+            try:
+                func = r.get_exact_index_types
+            except AttributeError:
+                debug.warning("Invalid tuple lookup #%s of result %s in %s",
+                              index, types, name)
+            else:
+                try:
+                    new_types += func(index)
+                except IndexError:
+                    pass
+        types = new_types
+    return types
+
+
 def filter_private_variable(scope, call_scope, var_name):
     """private variables begin with a double underline `__`"""
     if isinstance(scope, er.Instance) and var_name.startswith('__') and not var_name.endswith('__'):

jedi/parser/representation.py

@@ -259,6 +259,8 @@ class Name(Leaf):
         stmt = self.get_definition()
         if isinstance(stmt, (Function, Class, Module)):
             return True
+        elif isinstance(stmt, ForStmt):
+            return self.start_pos < stmt.children[2].start_pos
         elif isinstance(stmt, Param):
             return self == stmt.get_name()
         else:
@@ -280,7 +282,7 @@ class Name(Leaf):
         node = self.parent
         compare = self
         while node is not None:
-            if is_node(node, 'testlist_comp') or is_node(node, 'testlist_star_expr'):
+            if is_node(node, 'testlist_comp', 'testlist_star_expr', 'exprlist'):
                 for i, child in enumerate(node.children):
                     if child == compare:
                         indexes.insert(0, int(i / 2))
@@ -478,7 +480,7 @@ class Scope(Simple, DocstringMixin):
             for element in children:
                 if isinstance(element, typ):
                     elements.append(element)
-                if is_node(element, 'suite') or is_node(element, 'simple_stmt') \
+                if is_node(element, 'suite', 'simple_stmt') \
                         or isinstance(element, Flow):
                     elements += scan(element.children)
             return elements