[python] Fix OSS bucket-in-endpoint mode (PyArrow < 16) corrupting directories via CreateBucket#8710
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Please resolve conflicts. |
…rectories via CreateBucket
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Purpose
In OSS bucket-in-endpoint mode, PyArrow parses the first key segment as a
bucket name, so bucket-level operations target the wrong bucket. (#8695
corrected this mode's boundary from PyArrow < 7 to < 16 and made OSS usable
on 7–15, widening the exposure; this PR rebases on it and keys off the same
_oss_bucket_in_endpointflag.)mkdirs()issued CreateBucket for the database directory, leaving a strayobject that blocks all later create-table mkdirs (
ParentNotDirectoryException).Now a no-op; a missing bucket is still surfaced by a one-time, lock-serialized
bucket-root probe (rejects only on an OSS NoSuchBucket body, fails open
otherwise; probe lock excluded from pickling).
list_status()now fails fast pointing to pyarrow >= 16 or the jindobackend, instead of a misleading NoSuchKey error.
exists()on directories can't be fixed (PyArrow strips marker trailingslashes); documented as a known limitation.
Modern mode (pyarrow >= 16) is unchanged.
Tests
oss_legacy_mode_test.py(13 tests, no credentials) under a tripwire thatfails any unmocked HTTP probe, on pyarrow 6.0.1 and 19.0.1. Verified live
against managed OSS with pyarrow 6.
API and Format
No changes.