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Mini Shell
# -*- coding: utf-8 -*-
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
#
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
import errno
from subprocess import Popen, PIPE
from clcommon.utils import ExternalProgramFailed
CAPTAIN_PATH = '/usr/share/python-cllib/cl.captain'
def captain(do_try, cmd, stdin=None):
try:
do_try()
except (OSError, IOError) as e:
if e.errno == errno.EDQUOT and os.geteuid() > 0:
command = [CAPTAIN_PATH] + [str(s) for s in cmd]
output = Popen(command, stdin=None if stdin is None else PIPE,
stdout=PIPE, stderr=PIPE, text=True)
if stdin is None:
std_out, std_err = output.communicate()
else:
std_out, std_err = output.communicate(stdin)
if output.returncode != 0:
raise ExternalProgramFailed(std_err or 'output of "%s": %s' % (
' '.join(command), std_out))
else:
raise
def mkdir(path, mode=0o755, recursive=False):
umask = os.umask(0)
if recursive:
collector = "/"
for subdir in path.split("/"):
collector = os.path.join(collector, subdir)
if os.path.exists(collector):
continue
captain(lambda: os.mkdir(collector, mode), ['-d', collector, '-m', '%o' % mode])
else:
captain(lambda: os.mkdir(path, mode), ['-d', path, '-m', '%o' % mode])
os.umask(umask)
def write(path, content=''):
def do_try():
with open(path, "w") as fp:
fp.write(content)
fp.flush()
os.fsync(fp.fileno())
captain(do_try, ['-f', path], content)
def symlink(src, dst):
captain(lambda: os.symlink(src, dst), ['-l', dst, '-s', src])
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