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-rw-r--r--debian/python-leap.common/usr/share/pyshared/leap/common/files.py126
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
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+++ b/debian/python-leap.common/usr/share/pyshared/leap/common/files.py
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+# -*- 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