get_code in Definition.description should not return first prefix.

jedi/api/__init__.py

@@ -471,11 +471,10 @@ class Script(object):
             # The Evaluator.goto function checks for definitions, but since we
             # use a reverse tokenizer, we have new name_part objects, so we
             # have to check the user_stmt here for positions.
-            if     False and     isinstance(user_stmt, pr.ExprStmt):
+            if isinstance(user_stmt, pr.ExprStmt) \
+                    and isinstance(last_name.parent, pr.ExprStmt):
                 for name in user_stmt.get_defined_names():
-                    if name.start_pos <= self._pos <= name.end_pos \
-                            and (not isinstance(name.parent, pr.Call)
-                                 or name.parent.next is None):
+                    if name.start_pos <= self._pos <= name.end_pos:
                         return [name]
 
             defs = self._evaluator.goto(last_name)

jedi/api/classes.py

@@ -591,7 +591,14 @@ class Definition(use_metaclass(CachedMetaClass, BaseDefinition)):
             # only show module name
             d = 'module %s' % self.module_name
         else:
+            first_leaf = d.first_leaf()
+            # Remove the prefix, because that's not what we want for get_code
+            # here.
+            old, first_leaf.prefix = first_leaf.prefix, ''
+            try:
                 d = d.get_code().replace('\n', '').replace('\r', '')
+            finally:
+                first_leaf.prefix = old
         return d
 
     @property

jedi/evaluate/__init__.py

@@ -443,6 +443,10 @@ class Evaluator(object):
         return self.eval_element(call)
 
     def goto(self, name):
+        stmt = name.parent
+        if isinstance(stmt, pr.ExprStmt) and name in stmt.get_defined_names():
+            return [name]
+
         scope = name.get_parent_scope()
         if pr.is_node(name.parent, 'trailer'):
             call = call_of_name(name, cut_own_trailer=True)

jedi/parser/representation.py

@@ -445,6 +445,13 @@ class Simple(Base):
                     return result
         return None
 
+    def first_leaf(self):
+        try:
+            return self.children[0].first_leaf()
+        except AttributeError:
+            return self.children[0]
+
+
     def __repr__(self):
         code = self.get_code().replace('\n', ' ')
         if not is_py3: