diff --git a/jedi/api/__init__.py b/jedi/api/__init__.py
index f09e9204..a566d1a6 100644
--- a/jedi/api/__init__.py
+++ b/jedi/api/__init__.py
@@ -32,7 +32,7 @@ from jedi.evaluate import Evaluator, filter_private_variable
 from jedi.evaluate import representation as er
 from jedi.evaluate import compiled
 from jedi.evaluate import imports
-from jedi.evaluate.helpers import FakeName
+from jedi.evaluate.helpers import FakeName, get_module_name_parts
 from jedi.evaluate.finder import get_names_of_scope
 from jedi.evaluate.helpers import search_call_signatures
 from jedi.evaluate import analysis
@@ -688,6 +688,14 @@ def defined_names(source, path=None, encoding='utf-8'):
     return classes.defined_names(Evaluator(), parser.module)
 
 
+def _names(source=None, path=None, encoding='utf-8'):
+    # Set line/column to a random position, because they don't matter.
+    script = Script(source, line=1, column=0, path=path, encoding=encoding)
+    defs = [classes.Definition(script._evaluator, name_part)
+            for name_part in get_module_name_parts(script._parser.module())]
+    return sorted(defs, key=lambda x: (x.line, x.column))
+
+
 def preload_module(*modules):
     """
     Preloading modules tells Jedi to load a module now, instead of lazy parsing
diff --git a/jedi/api/classes.py b/jedi/api/classes.py
index 924f5ef8..7601e4e9 100644
--- a/jedi/api/classes.py
+++ b/jedi/api/classes.py
@@ -309,6 +309,19 @@ class BaseDefinition(object):
 
         return '.'.join(path if path[0] else path[1:])
 
+    def goto_assignments(self):
+        if not isinstance(self._definition, pr.NamePart):
+            raise TypeError('Definition is not a NamePart.')
+
+        if self.type not in ('statement', 'import'):
+            # Functions, classes and modules are already fixed definitions, we
+            # cannot follow them anymore.
+            return [self]
+        stmt_or_imp = self._definition.parent.parent
+
+        names, _ = self._evaluator.goto(stmt_or_imp, [self._definition])
+        return [Definition(self._evaluator, n) for n in names]
+
     @memoize_default()
     def _follow_statements_imports(self):
         """
diff --git a/jedi/evaluate/helpers.py b/jedi/evaluate/helpers.py
index cb61441c..034c730e 100644
--- a/jedi/evaluate/helpers.py
+++ b/jedi/evaluate/helpers.py
@@ -191,6 +191,10 @@ def scan_statement_for_calls(stmt, search_name, assignment_details=False):
 
 
 def get_module_name_parts(module):
+    """
+    Returns a dictionary with name parts as keys and their call paths as
+    values.
+    """
     def scope_name_parts(scope):
         for s in scope.subscopes:
             # Yield the name parts, not names.