Source code for dak.process_commands
#! /usr/bin/env python3
#
# Copyright (C) 2012, Ansgar Burchardt <ansgar@debian.org>
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import datetime
import os
import sys
import time
import apt_pkg
from daklib.command import CommandError, CommandFile
from daklib.config import Config
from daklib.daklog import Logger
from daklib.fstransactions import FilesystemTransaction
from daklib.utils import find_next_free
[docs]def usage():
print(
"""Usage: dak process-commands [-d <directory>] [<command-file>...]
process command files
"""
)
[docs]def main(argv=None):
if argv is None:
argv = sys.argv
arguments = [
("h", "help", "Process-Commands::Options::Help"),
("d", "directory", "Process-Commands::Options::Directory", "HasArg"),
]
cnf = Config()
cnf["Process-Commands::Options::Dummy"] = ""
filenames = apt_pkg.parse_commandline(cnf.Cnf, arguments, argv)
options = cnf.subtree("Process-Commands::Options")
if "Help" in options or (len(filenames) == 0 and "Directory" not in options):
usage()
sys.exit(0)
log = Logger("command")
now = datetime.datetime.now()
donedir = os.path.join(cnf["Dir::Done"], now.strftime("%Y/%m/%d"))
rejectdir = cnf["Dir::Reject"]
if len(filenames) == 0:
cdir = options["Directory"]
filenames = [
os.path.join(cdir, fn)
for fn in os.listdir(cdir)
if fn.endswith(".dak-commands")
]
for fn in filenames:
basename = os.path.basename(fn)
if not fn.endswith(".dak-commands"):
log.log(["unexpected filename", basename])
continue
with open(fn, "rb") as fh:
data = fh.read()
try:
command = CommandFile(basename, data, log)
command.evaluate()
except CommandError as e:
created = os.stat(fn).st_mtime
now = time.time()
too_new = now - created < int(cnf.get("Dinstall::SkipTime", "60"))
if too_new:
log.log(["skipped (too new)"])
continue
log.log(["reject", basename, e])
except Exception as e:
log.log_traceback("Exception while processing %s:" % (basename), e)
dst = find_next_free(os.path.join(rejectdir, basename))
else:
log.log(["done", basename])
dst = find_next_free(os.path.join(donedir, basename))
with FilesystemTransaction() as fs:
fs.unlink(fn)
fs.create(dst, mode=0o644, text=False).write(data)
fs.commit()
log.close()
if __name__ == "__main__":
main()