diff options
Diffstat (limited to 'debian/python-leap.common/usr/share/pyshared/leap/common/files.py')
-rw-r--r-- | debian/python-leap.common/usr/share/pyshared/leap/common/files.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/debian/python-leap.common/usr/share/pyshared/leap/common/files.py b/debian/python-leap.common/usr/share/pyshared/leap/common/files.py new file mode 100644 index 0000000..4c443dd --- /dev/null +++ b/debian/python-leap.common/usr/share/pyshared/leap/common/files.py @@ -0,0 +1,126 @@ +# -*- coding: utf-8 -*- +# files.py +# Copyright (C) 2013 LEAP +# +# 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/>. +""" +Implements file helper methods +""" + +import errno +import logging +import os +import stat +import time + +logger = logging.getLogger(__name__) + + +def check_and_fix_urw_only(cert): + """ + Test for 600 mode and try to set it if anything different found + + Might raise OSError + + @param cert: Certificate path + @type cert: str + """ + mode = stat.S_IMODE(os.stat(cert).st_mode) + + if mode != int('600', 8): + try: + logger.warning('Bad permission on %s attempting to set 600' % + (cert,)) + os.chmod(cert, stat.S_IRUSR | stat.S_IWUSR) + except OSError: + logger.error('Error while trying to chmod 600 %s' % + cert) + raise + + +def get_mtime(filename): + """ + Returns the modified time or None if the file doesn't exist + + @param filename: path to check + @type filename: str + + @rtype: str + """ + try: + mtime = time.ctime(os.path.getmtime(filename)) + " GMT" + return mtime + except OSError: + return None + + +def mkdir_p(path): + """ + Creates the path and all the intermediate directories that don't + exist + + Might raise OSError + + @param path: path to create + @type path: str + """ + try: + os.makedirs(path) + except OSError as exc: + if exc.errno == errno.EEXIST and os.path.isdir(path): + pass + else: + raise + + +# Twisted implementation of which +def which(name, flags=os.X_OK, path_extension="/usr/sbin:/sbin"): + """ + Search PATH for executable files with the given name. + + On newer versions of MS-Windows, the PATHEXT environment variable will be + set to the list of file extensions for files considered executable. This + will normally include things like ".EXE". This fuction will also find files + with the given name ending with any of these extensions. + + On MS-Windows the only flag that has any meaning is os.F_OK. Any other + flags will be ignored. + + @type name: C{str} + @param name: The name for which to search. + + @type flags: C{int} + @param flags: Arguments to L{os.access}. + + @rtype: C{list} + @param: A list of the full paths to files found, in the + order in which they were found. + """ + + result = [] + exts = filter(None, os.environ.get('PATHEXT', '').split(os.pathsep)) + path = os.environ.get('PATH', None) + path = path_extension + os.pathsep + path + if path is None: + return [] + parts = path.split(os.pathsep) + for p in parts: + p = os.path.join(p, name) + if os.access(p, flags): + result.append(p) + for e in exts: + pext = p + e + if os.access(pext, flags): + result.append(pext) + return result |