Fix a few more file name completion cases

jedi/api/file_name.py

@@ -1,17 +1,32 @@
 import os
 
+from jedi._compatibility import FileNotFoundError
 from jedi.evaluate.names import AbstractArbitraryName
+from jedi.api import classes
 
 
 def file_name_completions(evaluator, string, like_name):
+    base_name = os.path.basename(string)
+    like_name = base_name + like_name
+    string = os.path.dirname(string)
+
     base_path = os.path.join(evaluator.project._path, string)
-    print(string, base_path)
-    for name in os.listdir(base_path):
+    try:
+        listed = os.listdir(base_path)
+    except FileNotFoundError:
+        return
+    for name in listed:
         if name.startswith(like_name):
             path_for_name = os.path.join(base_path, name)
             if os.path.isdir(path_for_name):
                 name += os.path.sep
-            yield FileName(evaluator, name)
+
+            yield classes.Completion(
+                evaluator,
+                FileName(evaluator, name),
+                stack=None,
+                like_name_length=len(like_name),
+            )
 
 
 class FileName(AbstractArbitraryName):