pogojig/support/lib/util.py
Michael Schwarz 3d21efd489 support: Workaround for tempdir on different mount.
This adds a workaround for setups where the user has checked out the project on a different mount point than where the temporary directory is located.
2015-07-12 18:57:21 +02:00

62 lines
1.1 KiB
Python

import contextlib, subprocess, tempfile, shutil, re, os
class UserError(Exception):
pass
def _temp_dir_is_on_same_mount_point():
tempdir_stat = os.stat(tempfile.gettempdir())
working_dir_stat = os.stat('.')
return tempdir_stat.st_dev == working_dir_stat.st_dev
@contextlib.contextmanager
def TemporaryDirectory():
if _temp_dir_is_on_same_mount_point():
dir = None
else:
dir = '.'
dir = tempfile.mkdtemp(dir = dir, prefix = '.tmp_')
try:
yield dir
finally:
shutil.rmtree(dir)
def command(args, remove_env = None):
if remove_env is None:
env = None
else:
env = dict(os.environ)
for i in remove_env:
if i in env:
del env[i]
process = subprocess.Popen(args, env = env)
process.wait()
if process.returncode:
raise UserError('Command failed: {}'.format(' '.join(args)))
def bash_escape_string(string):
return "'{}'".format(re.sub("'", "'\"'\"'", string))
def write_file(path, data):
temp_path = path + '~'
with open(temp_path, 'wb') as file:
file.write(data)
os.rename(temp_path, path)
def read_file(path):
with open(path, 'rb') as file:
return file.read()