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42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# This file is a part of ninfs.
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#
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# Copyright (c) 2017-2019 Ian Burgwin
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# This file is licensed under The MIT License (MIT).
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# You can find the full license text in LICENSE.md in the root of this project.
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import os
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from math import ceil
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from sys import platform
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from typing import List
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__all__ = ['windows', 'macos', 'readle', 'readbe', 'roundup', 'config_dirs']
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windows = platform in {'win32', 'cygwin'}
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macos = platform == 'darwin'
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def readle(b: bytes) -> int:
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"""Convert little-endian bytes to an int."""
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return int.from_bytes(b, 'little')
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def readbe(b: bytes) -> int:
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"""Convert big-endian bytes to an int."""
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return int.from_bytes(b, 'big')
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def roundup(offset: int, alignment: int) -> int:
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"""Round up a number to a provided alignment."""
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return int(ceil(offset / alignment) * alignment)
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_home = os.path.expanduser('~')
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config_dirs: 'List[str]' = [os.path.join(_home, '.3ds'), os.path.join(_home, '3ds')]
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if windows:
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config_dirs.insert(0, os.path.join(os.environ.get('APPDATA'), '3ds'))
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elif macos:
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config_dirs.insert(0, os.path.join(_home, 'Library', 'Application Support', '3ds'))
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