techscript/python-installer/techscript/launcher.py at main · Tcode-Motion/techscript · GitHub

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"""

TechScript launcher module.

Used to forward `tsc` commands when invoked through `python -m techscript run`.

"""

import os

import shutil

import subprocess

import sys

def find_tsc() -> str:

"""Find the tsc binary or raise an error."""

tsc = shutil.which("tsc")

if not tsc:

# Also check the default install locations explicitly

candidates = []

local_app = os.environ.get("LOCALAPPDATA", "")

if local_app:

candidates.append(os.path.join(local_app, "TechScript", "bin", "tsc.exe"))

candidates.append(os.path.expanduser("~/.local/bin/tsc"))

prefix = os.environ.get("PREFIX", "")

if prefix:

candidates.append(os.path.join(prefix, "bin", "tsc"))

for path in candidates:

if os.path.isfile(path) and os.access(path, os.X_OK):

return path

print("\n ✘ TechScript compiler (tsc) is not installed or not found in PATH.", file=sys.stderr)

print(" Run: techscript install", file=sys.stderr)

sys.exit(1)

return tsc

def launch(args: list) -> int:

"""Forward args to the tsc binary and return the exit code."""

tsc = find_tsc()

try:

result = subprocess.run([tsc] + args)

return result.returncode

except KeyboardInterrupt:

return 130

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