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# Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
# This file is part of the "cmake-common" project.
# For details, see https://github.com/egor-tensin/cmake-common.
# Distributed under the MIT License.
from contextlib import contextmanager
import logging
import os.path
import subprocess
import tempfile
def normalize_path(s):
return os.path.abspath(os.path.normpath(s))
@contextmanager
def setup_logging():
logging.basicConfig(
format='%(asctime)s | %(levelname)s | %(message)s',
datefmt='%Y-%m-%d %H:%M:%S',
level=logging.INFO)
try:
yield
except Exception as e:
logging.exception(e)
raise
@contextmanager
def cd(path):
cwd = os.getcwd()
os.chdir(path)
try:
yield
finally:
os.chdir(cwd)
def run(cmd_line):
logging.info('Running executable: %s', cmd_line)
return subprocess.run(cmd_line, check=True)
@contextmanager
def delete_on_error(path):
try:
yield
except:
logging.info('Removing temporary file: %s', path)
os.remove(path)
raise
@contextmanager
def delete(path):
try:
yield
finally:
logging.info('Removing temporary file: %s', path)
os.remove(path)
@contextmanager
def temp_file(contents, **kwargs):
'''Make NamedTemporaryFile usable on Windows.
It can't be opened a second time on Windows, hence this silliness.
'''
tmp = tempfile.NamedTemporaryFile(delete=False, **kwargs)
with tmp as file, delete_on_error(file.name):
path = file.name
logging.info('Writing temporary file: %s', path)
file.write(contents)
with delete(path):
yield path
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