19 lines
584 B
Python
19 lines
584 B
Python
"""Cross-cutting utility helpers used by multiple modules.
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Top-level (i.e. backend-agnostic) — backend-specific helpers live one
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level deeper, under their backend package."""
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from __future__ import annotations
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import os
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def expand_tilde(path: str) -> str:
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"""Expand a leading '~' to $HOME. Leaves paths without a leading
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tilde unchanged. Falls back to the empty string if $HOME is unset
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(callers should already have checked HOME if they care)."""
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if path.startswith("~"):
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home = os.environ.get("HOME", "")
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return home + path[1:]
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return path
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