Avoid failing if additional dynamic modules is defined with files that don't exist

jedi/evaluate/imports.py

@@ -21,7 +21,7 @@ from jedi._compatibility import (FileNotFoundError, ImplicitNSInfo,
                                  force_unicode, unicode)
 from jedi import debug
 from jedi import settings
-from jedi.file_io import KnownContentFileIO, FolderIO
+from jedi.file_io import KnownContentFileIO, FolderIO, FileIO
 from jedi.parser_utils import get_cached_code_lines
 from jedi.evaluate import sys_path
 from jedi.evaluate import helpers
@@ -532,7 +532,10 @@ def get_modules_containing_name(evaluator, modules, name):
         if name not in code:
             return None
         new_file_io = KnownContentFileIO(file_io.path, code)
-        return _load_module_from_path(evaluator, new_file_io, base_names)
+        m = _load_module_from_path(evaluator, new_file_io, base_names)
+        if isinstance(m, compiled.CompiledObject):
+            return None
+        return m
 
     # skip non python modules
     used_mod_paths = set()
@@ -551,13 +554,17 @@ def get_modules_containing_name(evaluator, modules, name):
     if not settings.dynamic_params_for_other_modules:
         return
 
+    def get_file_ios_to_check():
+        for folder_io, base_names in folders_with_names_to_be_checked:
+            for file_io in check_directory(folder_io):
+                yield file_io, base_names
+
         for p in settings.additional_dynamic_modules:
             p = os.path.abspath(p)
             if p not in used_mod_paths:
-            folders_with_names_to_be_checked.append((FolderIO(p), None))
+                yield FileIO(p), None
 
-    for folder_io, base_names in folders_with_names_to_be_checked:
-        for file_io in check_directory(folder_io):
+    for file_io, base_names in get_file_ios_to_check():
         m = check_fs(file_io, base_names)
-            if m is not None and not isinstance(m, compiled.CompiledObject):
+        if m is not None:
             yield m

test/test_settings.py

@@ -21,3 +21,14 @@ def test_base_auto_import_modules(auto_import_json, Script):
 def test_auto_import_modules_imports(auto_import_json, Script):
     main, = Script('from json import tool; tool.main').goto_definitions()
     assert isinstance(main._name, CompiledContextName)
+
+
+def test_additional_dynamic_modules(monkeypatch, Script):
+    # We could add further tests, but for now it's even more important that
+    # this doesn't fail.
+    monkeypatch.setattr(
+        settings,
+        'additional_dynamic_modules',
+        ['/foo/bar/jedi_not_existing_file.py']
+    )
+    assert not Script('def some_func(f):\n f.').completions()