36 lines
867 B
Python
36 lines
867 B
Python
import os
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from pathlib import Path
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from typing import Union
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def path_from_root(root: Path, path_str: Union[str, Path]) -> Path:
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"""
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If path is relative, prepend root
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If path is absolute, return it directly.
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"""
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root = Path(os.path.expanduser(str(root)))
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path = Path(path_str)
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if not path.is_absolute():
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path = root / path
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return path.resolve()
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def mkdir(path_str: Union[str, Path]) -> None:
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"""
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Create the existing directory (and its parents) if necessary.
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"""
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path = Path(path_str)
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path.mkdir(parents=True, exist_ok=True)
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def make_path_relative(path_str: Union[str, Path], root: Path) -> Path:
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"""
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Try to make the given path relative, given the default root.
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"""
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path = Path(path_str)
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try:
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path = path.relative_to(root)
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except ValueError:
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pass
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return path
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