internship/swash/processing/swash.py

import pathlib
import subprocess
import configparser
import shutil
import tempfile


config = configparser.ConfigParser()
config.read("config.ini")

inp = pathlib.Path(config.get("swash", "input"))
out = pathlib.Path(config.get("swash", "out"))

with tempfile.TemporaryDirectory(prefix="swash_", dir=".") as tmp_raw:
    tmpdir = pathlib.Path(tmp_raw)

    shutil.copy2(inp, tmpdir)
    shutil.copytree(
        pathlib.Path(config.get("data", "out")), tmpdir, dirs_exist_ok=True
    )

    subprocess.run(
        (config.get("swash", "swashrun"), "-input", inp.name), cwd=tmpdir
    )

    if out.exists():
        shutil.rmtree(out)
    shutil.move(tmpdir, out)