The Tor Browser / file comparison
comparison: media/webrtc/trunk/build/android/pylib/cmd_helper.py
media/webrtc/trunk/build/android/pylib/cmd_helper.py
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
equal
deleted
inserted
replaced
| -1:000000000000 | 0:3736385a07ad |
|---|---|
| 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 """A wrapper for subprocess to make calling shell commands easier.""" | |
| 6 | |
| 7 | |
| 8 import logging | |
| 9 import subprocess | |
| 10 | |
| 11 | |
| 12 def RunCmd(args, cwd=None): | |
| 13 """Opens a subprocess to execute a program and returns its return value. | |
| 14 | |
| 15 Args: | |
| 16 args: A string or a sequence of program arguments. The program to execute is | |
| 17 the string or the first item in the args sequence. | |
| 18 cwd: If not None, the subprocess's current directory will be changed to | |
| 19 |cwd| before it's executed. | |
| 20 | |
| 21 Returns: | |
| 22 Return code from the command execution. | |
| 23 """ | |
| 24 logging.info(str(args) + ' ' + (cwd or '')) | |
| 25 p = subprocess.Popen(args=args, cwd=cwd) | |
| 26 return p.wait() | |
| 27 | |
| 28 | |
| 29 def GetCmdOutput(args, cwd=None, shell=False): | |
| 30 """Open a subprocess to execute a program and returns its output. | |
| 31 | |
| 32 Args: | |
| 33 args: A string or a sequence of program arguments. The program to execute is | |
| 34 the string or the first item in the args sequence. | |
| 35 cwd: If not None, the subprocess's current directory will be changed to | |
| 36 |cwd| before it's executed. | |
| 37 shell: Whether to execute args as a shell command. | |
| 38 | |
| 39 Returns: | |
| 40 Captures and returns the command's stdout. | |
| 41 Prints the command's stderr to logger (which defaults to stdout). | |
| 42 """ | |
| 43 logging.info(str(args) + ' ' + (cwd or '')) | |
| 44 p = subprocess.Popen(args=args, cwd=cwd, stdout=subprocess.PIPE, | |
| 45 stderr=subprocess.PIPE, shell=shell) | |
| 46 stdout, stderr = p.communicate() | |
| 47 if stderr: | |
| 48 logging.critical(stderr) | |
| 49 logging.info(stdout[:4096]) # Truncate output longer than 4k. | |
| 50 return stdout |
