Mercurial > hgrepos > Python > apps > py-cutils

annotate cutils/util/constants.py @ 361:26b949727426

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>>>>> tag v0.8.1 for changeset 7b715f912ea8
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 02 Apr 2025 14:27:08 +0200
parents 48430941c18c
children
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1 # -*- coding: utf-8 -*-
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2 # :-
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3 # SPDX-FileCopyrightText: © 2024-2025 Franz Glasner
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4 # SPDX-License-Identifier: BSD-3-Clause
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5 # :-
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6 r"""Common constants and compatibility definitions.
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7
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8 """
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9
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10 from __future__ import print_function, absolute_import
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13 __all__ = ["PATH_TYPES",
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14 "READ_CHUNK_SIZE",
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15 "MAX_AUTO_MAP_SIZE",
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16 "MAP_WINDOW_SIZE"
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17 ]
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20 try:
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21 import pathlib
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22 except ImportError:
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23 pathlib = None
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24
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25 from . import PY2
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28 if PY2:
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29 PATH_TYPES = (unicode, str) # noqa: F821 (undefined name 'unicode')
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30 else:
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31 if pathlib:
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32 PATH_TYPES = (str, bytes, pathlib.Path)
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33 else:
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34 PATH_TYPES = (str, bytes)
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35
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36 READ_CHUNK_SIZE = 2 * 1024 * 1024 # like BUFSIZE_MAX on FreeBSD
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37 MAX_AUTO_MAP_SIZE = 8 * 1024 * 1024
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38 MAP_WINDOW_SIZE = MAX_AUTO_MAP_SIZE # do not totally trash memory on big files