gedih3.doctor.parallel
======================

.. py:module:: gedih3.doctor.parallel

.. autoapi-nested-parse::

   Doctor-internal scandir helpers + back-compat re-export of
   :func:`gedih3.parallel.parallel_map`.

   The general parallelism primitive has been promoted to
   :mod:`gedih3.parallel` (it is used by the build, download, and
   manifest-writing paths too, not only by the doctor diagnoses). This
   module now keeps only the doctor-internal O(1) scandir helpers used by
   ``doctor/diagnoses/orphans.py`` and re-exports ``parallel_map`` so any
   external caller importing from here keeps working.

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Functions
---------

.. autoapisummary::

   gedih3.doctor.parallel.partition_is_empty
   gedih3.doctor.parallel.list_year_dirs
   gedih3.doctor.parallel.year_dir_is_empty


Module Contents
---------------

.. py:function:: partition_is_empty(partition_dir: str) -> bool

   
   O(1) emptiness check via :func:`os.scandir` — no recursive glob.

   Mirrors the build pipeline's emptiness check at
   ``gh3builder.py:1356-1362``. A partition is considered empty when
   it contains no parquet file at any depth (year subdir or root).















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.. py:function:: list_year_dirs(partition_dir: str) -> List[str]

   
   List immediate subdirectories of a partition directory.

   Single ``os.scandir`` call instead of ``glob.glob('*/')``; same
   primitive the build pipeline uses to enumerate per-h3 work units.















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.. py:function:: year_dir_is_empty(year_dir: str) -> bool

   
   O(1) parquet presence check inside one year=*/ directory.
















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