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internship/swash/processing/swash.py

54 lines
1.5 KiB
Python

import logging
import sys
import argparse
import pathlib
import subprocess
import configparser
import shutil
import tempfile
parser = argparse.ArgumentParser(description="Run swash model")
parser.add_argument("-v", "--verbose", action="count", default=0)
args = parser.parse_args()
logging.basicConfig(level=max((10, 20 - 10 * args.verbose)))
log = logging.getLogger("swash")
log.info("Starting swash model")
config = configparser.ConfigParser()
config.read("config.ini")
inp = pathlib.Path(config.get("swash", "input"))
out = pathlib.Path(config.get("swash", "out"))
if out.exists():
log.error(f"Swash output '{out}' already exists")
sys.exit(1)
with tempfile.TemporaryDirectory(prefix="swash_", dir=".") as tmp_raw:
tmpdir = pathlib.Path(tmp_raw)
if config.has_option("swash", "mpi"):
mpi = ("-mpi", config.getint("swash", "mpi"))
else:
mpi = ()
log.info(f"Copying files to '{tmpdir}'")
shutil.copy2(inp, tmpdir)
shutil.copytree(
pathlib.Path(config.get("data", "out")), tmpdir, dirs_exist_ok=True
)
with open(tmpdir.joinpath("sws.log"), "w") as logfile:
log.info(f"Runing swash in '{tmpdir}'")
subprocess.run(
(config.get("swash", "swashrun"), "-input", inp.name, *mpi),
cwd=tmpdir,
stdout=logfile,
stderr=logfile,
)
log.info(f"Moving swash output to '{out}'")
shutil.move(tmpdir, out)
log.info(f"Swash model finished successfully")