mirror of https://gitlab.com/ita1024/waf.git
47 lines
1.0 KiB
Python
47 lines
1.0 KiB
Python
#! /usr/bin/env python
|
|
|
|
"""
|
|
Illustrate how to override a class method to do something
|
|
|
|
In this case, print the commands being executed as strings
|
|
(the commands are usually lists, so this can be misleading)
|
|
"""
|
|
|
|
import sys
|
|
from waflib import Context, Utils, Logs
|
|
|
|
def exec_command(self, cmd, **kw):
|
|
subprocess = Utils.subprocess
|
|
kw['shell'] = isinstance(cmd, str)
|
|
|
|
txt = cmd
|
|
if isinstance(cmd, list):
|
|
txt = ' '.join(cmd)
|
|
|
|
print(txt)
|
|
Logs.debug('runner_env: kw=%s' % kw)
|
|
|
|
try:
|
|
if self.logger:
|
|
# warning: may deadlock with a lot of output (subprocess limitation)
|
|
|
|
self.logger.info(cmd)
|
|
|
|
kw['stdout'] = kw['stderr'] = subprocess.PIPE
|
|
p = subprocess.Popen(cmd, **kw)
|
|
(out, err) = p.communicate()
|
|
if out:
|
|
self.logger.debug('out: %s' % out.decode(sys.stdout.encoding or 'iso8859-1'))
|
|
if err:
|
|
self.logger.error('err: %s' % err.decode(sys.stdout.encoding or 'iso8859-1'))
|
|
return p.returncode
|
|
else:
|
|
p = subprocess.Popen(cmd, **kw)
|
|
return p.wait()
|
|
except OSError:
|
|
return -1
|
|
|
|
Context.Context.exec_command = exec_command
|
|
|
|
|