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# DExTer : Debugging Experience Tester
# ~~~~~~ ~ ~~ ~ ~~
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
"""Create/set a temporary working directory for some operations."""
import os
import shutil
import tempfile
import time
from dex.utils.Exceptions import Error
class WorkingDirectory(object):
def __init__(self, context, *args, **kwargs):
self.context = context
self.orig_cwd = os.getcwd()
dir_ = kwargs.get('dir', None)
if dir_ and not os.path.isdir(dir_):
os.makedirs(dir_, exist_ok=True)
self.path = tempfile.mkdtemp(*args, **kwargs)
def __enter__(self):
os.chdir(self.path)
return self
def __exit__(self, *args):
os.chdir(self.orig_cwd)
if self.context.options.save_temps:
self.context.o.blue('"{}" left in place [--save-temps]\n'.format(
self.path))
return
for _ in range(100):
try:
shutil.rmtree(self.path)
return
except OSError:
time.sleep(0.1)
self.context.logger.warning(f'"{self.path}" left in place (couldn\'t delete)', enable_prefix=True)
return
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