storage: fix parsing blank unit id

This is a regression in 2a9c325.
translate · Dec 13, 2023 · 701278e · 701278e
1 parent 2a9c325
commit 701278e
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diff --git a/tests/translate/storage/test_jsonl10n.py b/tests/translate/storage/test_jsonl10n.py
@@ -686,6 +686,7 @@ def test_add_other(self):
             ("[test]selection", [("key", "[test]selection")]),
             ("[test][0]selection", [("key", "[test][0]selection")]),
             ("[0][test]selection", [("index", 0), ("key", "[test]selection")]),
+            ("", [("key", "")]),
         ],
     )
     def test_from_string(self, id_string, expected):

diff --git a/translate/storage/base.py b/translate/storage/base.py
@@ -966,6 +966,8 @@ def from_string(cls, text):
                 item = item[endbracepos + 1 :]
             if item:
                 result.append(("key", item))
+        if not result:
+            result.append(("key", ""))
         return cls(result)
 
     def __eq__(self, other):