Get the first dict completions passing

jedi/api/dicts.py

@@ -0,0 +1,19 @@
+from jedi.inference.names import AbstractArbitraryName
+
+_sentinel = object()
+
+
+class F(AbstractArbitraryName):
+    api_type = u'path'
+    is_value_name = False
+
+
+def completions_for_dicts(dicts, literal_string):
+    for dct in dicts:
+        if dct.array_type == 'dict':
+            for key in dct.get_key_values():
+                dict_key = key.get_safe_value(default=_sentinel)
+                if dict_key is not _sentinel:
+                    dict_key_str = str(dict_key)
+                    if dict_key_str.startswith(literal_string):
+                        yield F(dct.inference_state, dict_key_str[len(literal_string):])