Files
youtube-dl/lib/support/base/subprocess.py
flaskfarm cde69d4d8a update
2022-10-07 01:48:42 +09:00

77 lines
2.8 KiB
Python

import json
import os
import platform
import subprocess
import traceback
from . import logger
class SupportSubprocess(object):
# 2021-10-25
# timeout 적용
@classmethod
def execute_command_return(cls, command, format=None, force_log=False, shell=False, env=None, timeout=None, uid=0, gid=0):
def demote(user_uid, user_gid):
def result():
os.setgid(user_gid)
os.setuid(user_uid)
return result
try:
if platform.system() == 'Windows':
tmp = []
if type(command) == type([]):
for x in command:
if x.find(' ') == -1:
tmp.append(x)
else:
tmp.append(f'"{x}"')
command = ' '.join(tmp)
iter_arg = ''
if platform.system() == 'Windows':
process = subprocess.Popen(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True, shell=shell, env=env, encoding='utf8')
else:
process = subprocess.Popen(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True, shell=shell, env=env, preexec_fn=demote(uid, gid), encoding='utf8')
new_ret = {'status':'finish', 'log':None}
try:
process_ret = process.wait(timeout=timeout) # wait for the subprocess to exit
except:
import psutil
process = psutil.Process(process.pid)
for proc in process.children(recursive=True):
proc.kill()
process.kill()
new_ret['status'] = "timeout"
ret = []
with process.stdout:
for line in iter(process.stdout.readline, iter_arg):
ret.append(line.strip())
if force_log:
logger.debug(ret[-1])
if format is None:
ret2 = '\n'.join(ret)
elif format == 'json':
try:
index = 0
for idx, tmp in enumerate(ret):
#logger.debug(tmp)
if tmp.startswith('{') or tmp.startswith('['):
index = idx
break
ret2 = json.loads(''.join(ret[index:]))
except:
ret2 = None
new_ret['log'] = ret2
return new_ret
except Exception as exception:
logger.error('Exception:%s', exception)
logger.error(traceback.format_exc())
logger.error('command : %s', command)