python中subprocess批量执行linux命令

>>> import subprocess
>>> ret = subprocess.call(["ls", "-l"], shell=False)
total 4684
-rw-r--r-- 1 root root   454 May 5 12:20 aa.py
-rw-r--r-- 1 root root    0 May 8 16:51 aa.txt
-rw-r--r-- 1 root root 4783286 Apr 11 16:39 DockerToolbox.exe
-rw-r--r-- 1 root root   422 May 5 12:20 ip_info.txt
-rw-r--r-- 1 root root   718 Apr 19 10:52 my.cnf
>>> ret = subprocess.call("ls -l", shell=True)
total 4684
-rw-r--r-- 1 root root   454 May 5 12:20 aa.py
-rw-r--r-- 1 root root    0 May 8 16:51 aa.txt
-rw-r--r-- 1 root root 4783286 Apr 11 16:39 DockerToolbox.exe
-rw-r--r-- 1 root root   422 May 5 12:20 ip_info.txt
-rw-r--r-- 1 root root   718 Apr 19 10:52 my.cnf
>>> print(ret)
0

>>> subprocess.check_call(["ls", "-l"])
total 4684
-rw-r--r-- 1 root root   454 May 5 12:20 aa.py
-rw-r--r-- 1 root root    0 May 8 16:51 aa.txt
-rw-r--r-- 1 root root 4783286 Apr 11 16:39 DockerToolbox.exe
-rw-r--r-- 1 root root   422 May 5 12:20 ip_info.txt
-rw-r--r-- 1 root root   718 Apr 19 10:52 my.cnf
0
>>> subprocess.check_call("exit 1", shell=True)
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
 File "/usr/local/python3.5/lib/python3.5/subprocess.py", line 581, in check_call
  raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command 'exit 1' returned non-zero exit status 1

>>> subprocess.check_output(["echo", "Hello World!"])
b'Hello World!\n'
>>> subprocess.check_output("exit 1", shell=True)
Traceback (most recent call last):
 File "<stdin>", line 1, in <module>
 File "/usr/local/python3.5/lib/python3.5/subprocess.py", line 626, in check_output
  **kwargs).stdout
 File "/usr/local/python3.5/lib/python3.5/subprocess.py", line 708, in run
  output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command 'exit 1' returned non-zero exit status 1

>>> import subprocess
>>> ret1 = subprocess.Popen(["mkdir","t1"])
>>> ret2 = subprocess.Popen("mkdir t2", shell=True)
>>> print(ret1)
<subprocess.Popen object at 0x7f4d7609dd30>
>>> print(ret2)
<subprocess.Popen object at 0x7f4d7609dc18>

>>> import subprocess
>>> obj = subprocess.Popen("mkdir t3", shell=True, cwd='/tmp/',)
>>> import subprocess
>>> obj = subprocess.Popen(["python"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
>>> obj.stdin.write("print(1)\n")
9
>>> obj.stdin.write("print(2)")
8
>>> obj.stdin.close()
>>> cmd_out = obj.stdout.read()
>>> obj.stdout.close()
>>> cmd_error = obj.stderr.read()
>>> obj.stderr.close()
>>> print(cmd_out)
1
2
>>> print(cmd_error)

>>> import subprocess
>>> 
>>> obj = subprocess.Popen(["python"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
>>> obj.stdin.write("print(1)\n")
9
>>> obj.stdin.write("print(2)")
8
>>> 
>>> out_error_list = obj.communicate()
>>> print(out_error_list)
('1\n2\n', '')

>>> obj = subprocess.Popen(["python"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
>>> out_error_list = obj.communicate('print("hello")')
>>> print(out_error_list)
('hello\n', '')