51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
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from contextlib import contextmanager
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import pathlib
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import tempfile
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from typing import Generator
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import pytest
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from pandas.io.pytables import HDFStore
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tables = pytest.importorskip("tables")
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# set these parameters so we don't have file sharing
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tables.parameters.MAX_NUMEXPR_THREADS = 1
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tables.parameters.MAX_BLOSC_THREADS = 1
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tables.parameters.MAX_THREADS = 1
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def safe_close(store):
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try:
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if store is not None:
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store.close()
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except OSError:
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pass
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# contextmanager to ensure the file cleanup
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@contextmanager
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def ensure_clean_store(
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path, mode="a", complevel=None, complib=None, fletcher32=False
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) -> Generator[HDFStore, None, None]:
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with tempfile.TemporaryDirectory() as tmpdirname:
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tmp_path = pathlib.Path(tmpdirname, path)
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with HDFStore(
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tmp_path,
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mode=mode,
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complevel=complevel,
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complib=complib,
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fletcher32=fletcher32,
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) as store:
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yield store
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def _maybe_remove(store, key):
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"""
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For tests using tables, try removing the table to be sure there is
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no content from previous tests using the same table name.
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"""
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try:
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store.remove(key)
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except (ValueError, KeyError):
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pass
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