Allow an empty prefix

mwouts · Jun 2, 2024 · 57ad343 · 57ad343
1 parent fd07ae2
commit 57ad343
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/src/jupytext/config.py b/src/jupytext/config.py
@@ -398,7 +398,9 @@ def load_jupytext_configuration_file(config_file, stream=None):
     # formats can be a dict prefix => format
     if isinstance(config.formats, dict):
         config.formats = [
-            (prefix[:-1] if prefix.endswith("/") else prefix) + "///" + fmt
+            fmt
+            if not prefix
+            else (prefix[:-1] if prefix.endswith("/") else prefix) + "///" + fmt
             for prefix, fmt in config.formats.items()
         ]
     config.formats = short_form_multiple_formats(config.formats)

diff --git a/tests/functional/config/test_config.py b/tests/functional/config/test_config.py
@@ -158,6 +158,15 @@ def test_load_jupytext_configuration_file(tmpdir, config_file):
 """,
             "notebooks///ipynb,scripts///py:percent",
         ),
+        (
+            """# Pair local notebooks to scripts in 'notebooks_py' and md files in 'notebooks_md'
+[formats]
+"" = "ipynb"
+"notebooks_py" = "py:percent"
+"notebooks_md" = "md:myst"
+""",
+            "ipynb,notebooks_py///py:percent,notebooks_md///md:myst",
+        ),
     ],
 )
 def test_jupytext_formats(tmpdir, content_toml, formats_short_form):