Downgrade minimal required python to 3.11

README.md

@@ -3,7 +3,7 @@
 [![Docs](https://github.com/childmindresearch/bids2table/actions/workflows/docs.yaml/badge.svg?branch=main)](https://childmindresearch.github.io/bids2table/bids2table)
 [![codecov](https://codecov.io/gh/childmindresearch/bids2table/branch/main/graph/badge.svg?token=22HWWFWPW5)](https://codecov.io/gh/childmindresearch/bids2table)
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
-![Python3](https://img.shields.io/badge/python->=3.12-blue.svg)
+![Python3](https://img.shields.io/badge/python->=3.11-blue.svg)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 
 Index [BIDS](https://bids-specification.readthedocs.io/en/stable/) datasets fast, locally or in the cloud.
@@ -54,6 +54,8 @@ bids-examples/ds003
 bids-examples/eeg_cbm
 ```
 
+> Note: `b2t2 find` requires python>=3.12.
+
 ### Indexing datasets from the command line
 
 Indexing datasets is done with `b2t2 index`. Here we index a single example dataset, saving the output as a parquet file.

bids2table/__init__.py

@@ -4,7 +4,7 @@
 [![Docs](https://github.com/childmindresearch/bids2table/actions/workflows/docs.yaml/badge.svg?branch=main)](https://childmindresearch.github.io/bids2table/bids2table)
 [![codecov](https://codecov.io/gh/childmindresearch/bids2table/branch/main/graph/badge.svg?token=22HWWFWPW5)](https://codecov.io/gh/childmindresearch/bids2table)
 [![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
-![Python3](https://img.shields.io/badge/python->=3.12-blue.svg)
+![Python3](https://img.shields.io/badge/python->=3.11-blue.svg)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 
 Index [BIDS](https://bids-specification.readthedocs.io/en/stable/) datasets fast, locally or in the cloud.
@@ -55,6 +55,8 @@
 bids-examples/eeg_cbm
 ```
 
+> Note: `b2t2 find` requires python>=3.12.
+
 ### Indexing datasets from the command line
 
 Indexing datasets is done with `b2t2 index`. Here we index a single example dataset, saving the output as a parquet file.

bids2table/__main__.py

@@ -152,6 +152,10 @@
 
 
 def _find_command(args: argparse.Namespace):
+    if sys.version_info < (3, 12):
+        _logger.error("bids2table find requires Python 3.12 or higher.")
+        sys.exit(1)
+
     _check_path(args.root)
 
     for dataset in b2t2.find_bids_datasets(

bids2table/_indexing.py

@@ -8,6 +8,7 @@
 import fnmatch
 import importlib.metadata
 import re
+import sys
 from concurrent.futures import Executor, ProcessPoolExecutor
 from functools import partial
 from typing import Any, Callable, Generator, Iterable, Sequence
@@ -142,7 +143,13 @@
 
     Yields:
         Root paths of all BIDS datasets under `root`.
+
+    .. note::
+        Requires Python >= 3.12.
     """
+    if sys.version_info < (3, 12):
+        raise RuntimeError("find_bids_datasets requires Python 3.12 or higher.")
+
     root = as_path(root)
 
     dir_count = 0

pyproject.toml

@@ -10,7 +10,7 @@ authors = [
 ]
 description = "Index BIDS datasets fast, locally or in the cloud."
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.11"
 license = {text = "MIT License"}
 classifiers = [
     "Development Status :: 3 - Alpha",

tests/test_indexing.py

@@ -1,4 +1,5 @@
 import logging
+import sys
 from pathlib import Path
 
 import pyarrow as pa
@@ -24,6 +25,7 @@ def test_get_column_names():
     assert BIDSColumn.dataset == "dataset"
 
 
+@pytest.mark.skipif(sys.version_info < (3, 12), reason="Python < 3.12.")
 def test_find_bids_datasets():
     datasets = sorted(indexing.find_bids_datasets(BIDS_EXAMPLES, log_frequency=100))
     expected_datasets = sorted(
@@ -92,12 +94,12 @@ def test_index_dataset_warns(path: str, msg: str, caplog: LogCaptureFixture):
 
 @pytest.mark.parametrize("max_workers", [0, 2])
 def test_batch_index_dataset(max_workers: int):
-    datasets = list(indexing.find_bids_datasets(BIDS_EXAMPLES))
+    datasets = list(BIDS_EXAMPLES.glob("*"))
     tables = indexing.batch_index_dataset(
         datasets, max_workers=max_workers, show_progress=False
     )
     table = pa.concat_tables(tables)
-    assert len(table) == 10133
+    assert len(table) == 9727
 
 
 @pytest.mark.parametrize(

tests/test_main.py

@@ -10,13 +10,6 @@
 
 BIDS_EXAMPLES = Path(__file__).parents[1] / "bids-examples"
 
-COMMANDS = [
-    "find {examples}",
-    "index -o {out_dir}/ds102.parquet {examples}/ds102",
-    "index -o {out_dir}/ds101_ds102.parquet {examples}/ds101 {examples}/ds102",
-    "index -o {out_dir}/ds10N.parquet '{examples}/ds10?'",
-]
-
 
 @contextmanager
 def patch_argv(argv: List[str]):
@@ -31,7 +24,6 @@ def patch_argv(argv: List[str]):
 @pytest.mark.parametrize(
     "cmd,output",
     [
-        ("find {examples}", None),
         ("index -o {out_dir}/ds102.parquet {examples}/ds102", "ds102.parquet"),
         (
             "index -o {out_dir}/ds101_ds102.parquet {examples}/ds101 {examples}/ds102",
@@ -40,7 +32,7 @@ def patch_argv(argv: List[str]):
         ("index -o {out_dir}/ds10N.parquet '{examples}/ds10?'", "ds10N.parquet"),
     ],
 )
-def test_main(cmd: str, output: str | None, tmp_path: Path):
+def test_main_index(cmd: str, output: str | None, tmp_path: Path):
     cmd_fmt = cmd.format(out_dir=tmp_path, examples=BIDS_EXAMPLES)
     prog = str(Path(cli.__file__).absolute())
     argv = [prog] + shlex.split(cmd_fmt)
@@ -49,3 +41,13 @@ def test_main(cmd: str, output: str | None, tmp_path: Path):
 
     if output:
         assert (tmp_path / output).exists()
+
+
+@pytest.mark.skipif(sys.version_info < (3, 12), reason="Python < 3.12.")
+@pytest.mark.parametrize("cmd", ["find {examples}"])
+def test_main_find(cmd: str):
+    cmd_fmt = cmd.format(examples=BIDS_EXAMPLES)
+    prog = str(Path(cli.__file__).absolute())
+    argv = [prog] + shlex.split(cmd_fmt)
+    with patch_argv(argv):
+        cli.main()