nanorst: do not require 2 empty lines at end of string after code block, fixes #9714

src/borg/helpers/nanorst.py

@@ -159,6 +159,12 @@ def rst_to_text(text, state_hook=None, references=None):
             state = "text"
         out.write(char)
 
+    if state == "code-block":
+        # without this, we would need 2 empty lines after a code block,
+        # even if it is at the end of the string anyway.
+        state_hook(state, "text", out)
+        state = "text"
+
     assert state == "text", "Invalid final state %r (This usually indicates unmatched */**)" % state
     return out.getvalue()
 

src/borg/testsuite/helpers/nanorst_test.py

@@ -36,3 +36,9 @@ def test_undefined_ref():
     with pytest.raises(ValueError) as exc_info:
         rst_to_text("See :ref:`foo`.")
     assert "Undefined reference" in str(exc_info.value)
+
+
+def test_code_block_end_of_string():
+    # check that there is no unexpected exception if a code block
+    # is not followed by blank lines, but the string just ends.
+    assert rst_to_text("This is a code block::\n\n    borg --help") == "This is a code block:\n\n    borg --help"