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# Copyright (C) 2013 Kristoffer Gronlund <kgronlund@suse.com>
# Copyright (C) 2008-2011 Dejan Muhamedagic <dmuhamedagic@suse.de>
# See COPYING for license information.
'''
Files added to tmpfiles are removed at program exit.
'''
import os
import shutil
import atexit
from tempfile import mkstemp, mkdtemp
from . import utils
_FILES = []
_DIRS = []
def _exit_handler():
"Called at program exit"
for f in _FILES:
try:
os.unlink(f)
except OSError:
pass
for d in _DIRS:
try:
shutil.rmtree(d)
except OSError:
pass
def _mkdir(directory):
if not os.path.isdir(directory):
try:
os.makedirs(directory)
except OSError as err:
raise ValueError("Failed to create directory: %s" % (err))
def add(filename):
'''
Remove the named file at program exit.
'''
if len(_FILES) + len(_DIRS) == 0:
atexit.register(_exit_handler)
_FILES.append(filename)
def create(directory=utils.get_tempdir(), prefix='crmsh_'):
'''
Create a temporary file and remove it at program exit.
Returns (fd, filename)
'''
_mkdir(directory)
fd, fname = mkstemp(dir=directory, prefix=prefix)
add(fname)
return fd, fname
def create_dir(directory=utils.get_tempdir(), prefix='crmsh_'):
'''
Create a temporary directory and remove it at program exit.
'''
_mkdir(directory)
ret = mkdtemp(dir=directory, prefix=prefix)
if len(_FILES) + len(_DIRS) == 0:
atexit.register(_exit_handler)
_DIRS.append(ret)
return ret
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