From eefd06f1b88b8ecbb23a9013cd223b72ca85c20d Mon Sep 17 00:00:00 2001 From: Barry Warsaw Date: Sun, 25 Jan 2009 13:01:41 -0500 Subject: Push the source directory into a 'src' subdirectory so that zc.buildout works correctly regardless of how it's used. --- src/mailman/utilities/filesystem.py | 78 +++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 src/mailman/utilities/filesystem.py (limited to 'src/mailman/utilities/filesystem.py') diff --git a/src/mailman/utilities/filesystem.py b/src/mailman/utilities/filesystem.py new file mode 100644 index 000000000..a552e06f6 --- /dev/null +++ b/src/mailman/utilities/filesystem.py @@ -0,0 +1,78 @@ +# Copyright (C) 2009 by the Free Software Foundation, Inc. +# +# This file is part of GNU Mailman. +# +# GNU Mailman 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. +# +# GNU Mailman 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 +# GNU Mailman. If not, see . + +"""Module stuff.""" + +from __future__ import absolute_import, unicode_literals + +__metaclass__ = type +__all__ = [ + 'makedirs', + 'umask', + ] + + +import os +import errno + + + +class umask: + """Manage the umask for the with statement.""" + + def __init__(self, umask): + self._umask = umask + self._old_umask = None + + def __enter__(self): + assert self._old_umask is None, 'Unexpected existing umask' + self._old_umask = os.umask(self._umask) + + def __exit__(self, *exc_info): + assert self._old_umask is not None, 'No previous umask' + os.umask(self._old_umask) + # Do not suppress exceptions. + return False + + + +def makedirs(path, mode=02775): + """Create a directory hierarchy, ensuring permissions. + + Other than just calling os.makedirs(), this ensures that the umask is + reset so that the makedirs mode will be honored. + + :param path: The directory path to create. + :type path: string + :param mode: The numeric permission mode to use. + :type mode: int + """ + try: + with umask(0): + os.makedirs(path, mode) + except OSError as error: + # Ignore the exceptions if the directory already exists. + if error.errno <> errno.EEXIST: + raise + # Some systems such as FreeBSD ignore mkdir's mode, so walk the just + # created directories and try to set the mode, ignoring any OSErrors that + # occur here. + for dirpath, dirnames, filenames in os.walk(path): + try: + os.chmod(dirpath, mode) + except OSError: + pass -- cgit v1.2.3-70-g09d2