renaming again, should be a little bit better. but some things are commented.

jedi/builtin.py

@@ -34,7 +34,7 @@ class CachedModule(object):
         if not self._parser:
             try:
                 timestamp, parser = self.cache[self.path or self.name]
-                if not self.path or timestamp == os.path.getmtime(self.path):
+                if not self.path or os.path.getmtime(self.path) <= timestamp:
                     self._parser = parser
                 else:
                     raise KeyError()

jedi/dynamic.py

@@ -353,7 +353,8 @@ def related_names(definitions, search_name, mods):
             else:
                 search = None
             scopes = evaluate.follow_call_path(iter(f), scope, position)
-            follow_res = evaluate.goto(scopes, search, statement_path_offset=0)
+            follow_res = evaluate.goto(scopes, search, statement_path_offset=0,
+                                                            follow_import=True)
 
             # compare to see if they match
             if True in [r in definitions for r in follow_res]:

jedi/evaluate.py

@@ -1501,7 +1501,20 @@ def follow_path(path, scope, position=None):
     return follow_paths(path, set(result), position=position)
 
 
-def goto(scopes, search_name=None, statement_path_offset=1):
+def goto(scopes, search_name=None, statement_path_offset=1,
+                                                        follow_import=False):
+    def follow_imports(names):
+        global statement_path
+        new = []
+        for n in names:
+            if isinstance(n, parsing.Import):
+                statement_path = []
+                scopes = imports.strip_imports([n])
+                new += goto(scopes, follow_import=True)
+            else:
+                new.append(n)
+        return new
+
     if search_name is None:
         try:
             definitions = [statement_path[statement_path_offset]]
@@ -1527,4 +1540,13 @@ def goto(scopes, search_name=None, statement_path_offset=1):
             else:
                 names += s.get_defined_names()
         definitions = [n for n in names if n.names[-1] == search_name]
+
+    #if follow_import:
+    #    definitions = follow_imports(definitions)
+
+    definitions = set(definitions)
+    #for d in definitions.copy():
+        #if d.isinstance(Function, Class):
+        #    definitions.add(d.name)
+        #    definitions.remove(d)
     return definitions

jedi/modules.py

@@ -11,6 +11,7 @@ import parsing
 import builtin
 import debug
 import evaluate
+import time
 
 
 class Module(builtin.CachedModule):
@@ -26,6 +27,7 @@ class Module(builtin.CachedModule):
         self._line_cache = None
 
     def _get_source(self):
+        """ Just one time """
         s = self.source
         del self.source  # memory efficiency
         return s
@@ -50,10 +52,17 @@ class ModuleWithCursor(Module):
         self._line_temp = None
         self._relevant_temp = None
 
+        self.source = source
+
+        try:
+            del builtin.CachedModule.cache[self.path]
+        except KeyError:
+            pass
         # Call the parser already here, because it will be used anyways.
         # Also, the position is here important (which will not be used by
         # default), therefore fill the cache here.
         self._parser = parsing.PyFuzzyParser(source, path, position)
+        builtin.CachedModule.cache[self.path] = time.time(), self._parser
 
     def get_path_until_cursor(self):
         """ Get the path under the cursor. """