Merge branch 'master' of github.com:mongodb/mongo-python-driver

Author: blink1073

.pre-commit-config.yaml

@@ -6,6 +6,7 @@ repos:
   - id: check-added-large-files
   - id: check-case-conflict
   - id: check-toml
+  - id: check-json
   - id: check-yaml
     exclude: template.yaml
   - id: debug-statements

CONTRIBUTING.md

@@ -224,6 +224,10 @@ the pages will re-render and the browser will automatically refresh.
 - Run the tests with `just run-tests`.
 - When done, run `just teardown-tests` to clean up.
 
+## Enable Debug Logs
+- Use `-o log_cli_level="DEBUG" -o log_cli=1` with `just test` or `pytest`.
+- Add `log_cli_level = "DEBUG` and `log_cli = 1` to the `tool.pytest.ini_options` section in `pyproject.toml` for Evergreen patches or to enable debug logs by default on your machine.
+
 ## Re-sync Spec Tests
 
 If you would like to re-sync the copy of the specification tests in the

bson/binary.py

@@ -450,6 +450,10 @@ def from_vector(
                 raise ValueError(f"padding does not apply to {dtype=}")
         elif dtype == BinaryVectorDtype.PACKED_BIT:  # pack ints in [0, 255] as unsigned uint8
             format_str = "B"
+            if 0 <= padding > 7:
+                raise ValueError(f"{padding=}. It must be in [0,1, ..7].")
+            if padding and not vector:
+                raise ValueError("Empty vector with non-zero padding.")
         elif dtype == BinaryVectorDtype.FLOAT32:  # pack floats as float32
             format_str = "f"
             if padding: