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Docs/ API Reference/ Runtime/ find_runtime

Runtime· function

find_runtime

locate the installed LSD runtime, or return None

Python

find_runtime(env: Optional[Mapping[str, str]] = None) -> Optional[Runtime]

Returns Runtime | None — the discovered install, or None if not located

Parameters#

name	type	default	description
`env`	`Optional[Mapping[str, str]]`	`None`	environment to search; defaults to `os.environ`. Pass a dict to override (used in tests)

Example#

Python

from lsdtools import find_runtime

rt = find_runtime()
if rt is None:
    raise SystemExit("LSD is not installed")
print(rt.executable)

Override the environment (e.g. in tests):

Python

rt = find_runtime({"LSD_RUNTIME": r"C:\LSD Desktop"})

Notes#

Search order, first hit wins: the LSD_RUNTIME / LSD_HOME env vars, Windows registry uninstall entries named "LSD Desktop", well-known install dirs (%ProgramFiles%\LSD Desktop …), then an LSDCli / LSDDesktop executable on PATH. Returns None when nothing matches. Cross-platform safe — the registry step is skipped off Windows.

Parameters#

Example#

Notes#

See also#