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# Copyright 2017 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import logging
import os
import subprocess
import sys
_verbose = False
def set_verbose_progress(verbose):
global _verbose
_verbose = verbose
def error(msg):
logging.error(msg, exc_info=True)
sys.stderr.write("ERROR: {}\n".format(msg))
sys.stderr.flush()
def progress(msg):
logging.info(msg)
if _verbose:
sys.stdout.write("{}\n".format(msg))
sys.stdout.flush()
def runcmd(argv, **kwargs):
progress("Exec: %r" % (argv,))
env = kwargs.get("env", os.environ.copy())
env["LC_ALL"] = "C.UTF8"
kwargs["env"] = env
kwargs["stdout"] = kwargs.get("stdout", subprocess.PIPE)
kwargs["stderr"] = kwargs.get("stderr", subprocess.PIPE)
p = subprocess.Popen(argv, **kwargs)
out, err = p.communicate()
logging.debug("STDOUT: %s", out.decode("UTF8"))
logging.debug("STDERR: %s", err.decode("UTF8"))
if p.returncode != 0:
raise RuncmdError("Program failed: {}".format(p.returncode))
return out
def runcmd_chroot(chroot, argv, *argvs, **kwargs):
full_argv = ["chroot", chroot] + argv
return runcmd(full_argv, *argvs, **kwargs)
def _procdir(chroot):
proc = os.path.join(chroot, "proc")
if not os.path.exists(proc):
os.mkdir(proc, mode=0o755)
return proc
def _log_stdout(data):
logging.debug("STDOUT: %r", data)
return data
def _log_stderr(data):
logging.debug("STDERR: %r", data)
return data
class RuncmdError(Exception):
pass
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