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38 lines
943 B
Python
38 lines
943 B
Python
from pathlib import Path, PurePath
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class ResolveException(Exception):
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"""An exception while resolving a file."""
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# TODO take care of this when doing exception handling
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class Location:
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"""
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An object that has an inherent path.
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"""
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def __init__(self, path: Path):
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self._path = path.resolve()
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@property
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def path(self) -> Path:
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"""
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This object's location.
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"""
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return self._path
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def resolve(self, target: PurePath) -> Path:
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"""
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Resolve a file relative to the path of this location.
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Raises a [ResolveException] if the file is outside the given directory.
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"""
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absolute_path = self.path.joinpath(target).resolve()
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# TODO Make this less inefficient
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if self.path not in absolute_path.parents:
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raise ResolveException(f"Path {target} is not inside directory {self.path}")
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return absolute_path
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