Source code for dak.process_commands

#! /usr/bin/env python3
# Copyright (C) 2012, Ansgar Burchardt <>
# 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
# 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 apt_pkg
import datetime
import os
import sys
import time

from daklib.config import Config
from daklib.command import CommandFile, CommandError
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 = 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 = 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()