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mirror of https://gitlab.com/ita1024/waf.git synced 2024-11-17 07:27:30 +01:00
waf/waflib/processor.py
Thomas Nagy 80109eacbe
Improve error handling in the case of missing implicit dependencies
Avoid calling are_implicit_nodes_ready() twice.
Stop the build when files are missing or truncated.
Provide a better error message and avoid catching all exceptions.
2016-04-30 13:35:08 +02:00

49 lines
1.1 KiB
Python
Executable File

#! /usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2016 (ita)
import sys, traceback, base64
try:
import cPickle
except ImportError:
import pickle as cPickle
try:
import subprocess32 as subprocess
except ImportError:
import subprocess
def run():
txt = sys.stdin.readline().strip()
if not txt:
# parent process probably ended
sys.exit(1)
[cmd, kwargs, cargs] = cPickle.loads(base64.b64decode(txt))
cargs = cargs or {}
ret = 1
out, err, ex, trace = (None, None, None, None)
try:
proc = subprocess.Popen(cmd, **kwargs)
out, err = proc.communicate(**cargs)
ret = proc.returncode
except (OSError, ValueError, Exception) as e:
exc_type, exc_value, tb = sys.exc_info()
exc_lines = traceback.format_exception(exc_type, exc_value, tb)
trace = str(cmd) + '\n' + ''.join(exc_lines)
ex = e.__class__.__name__
# it is just text so maybe we do not need to pickle()
tmp = [ret, out, err, ex, trace]
obj = base64.b64encode(cPickle.dumps(tmp))
sys.stdout.write(obj.decode())
sys.stdout.write('\n')
sys.stdout.flush()
while 1:
try:
run()
except KeyboardInterrupt:
break