109 lines
2.7 KiB
Python
109 lines
2.7 KiB
Python
#
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# sysutils.py
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#
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# Copyright (C) 2009 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Red Hat Author(s): Martin Gracik <mgracik@redhat.com>
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#
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__all__ = ["joinpaths", "touch", "replace", "chown_", "chmod_", "remove",
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"linktree"]
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import sys
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import os
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import re
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import fileinput
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import pwd
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import grp
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import glob
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import shutil
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import subprocess
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def joinpaths(*args, **kwargs):
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path = os.path.sep.join(args)
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if kwargs.get("follow_symlinks"):
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return os.path.realpath(path)
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else:
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return path
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def touch(fname):
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with open(fname, "w") as _:
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pass
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def replace(fname, find, replace):
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fin = fileinput.input(fname, inplace=1)
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pattern = re.compile(find)
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for line in fin:
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line = pattern.sub(replace, line)
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sys.stdout.write(line)
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fin.close()
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def chown_(path, user=None, group=None, recursive=False):
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uid = gid = -1
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if user is not None:
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uid = pwd.getpwnam(user)[2]
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if group is not None:
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gid = grp.getgrnam(group)[2]
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for fname in glob.iglob(path):
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os.chown(fname, uid, gid)
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if recursive and os.path.isdir(fname):
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for nested in os.listdir(fname):
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nested = joinpaths(fname, nested)
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chown_(nested, user, group, recursive)
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def chmod_(path, mode, recursive=False):
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for fname in glob.iglob(path):
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os.chmod(fname, mode)
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if recursive and os.path.isdir(fname):
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for nested in os.listdir(fname):
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nested = joinpaths(fname, nested)
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chmod_(nested, mode, recursive)
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def cpfile(src, dst):
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shutil.copy2(src, dst)
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if os.path.isdir(dst):
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dst = joinpaths(dst, os.path.basename(src))
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return dst
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def mvfile(src, dst):
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if os.path.isdir(dst):
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dst = joinpaths(dst, os.path.basename(src))
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os.rename(src, dst)
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return dst
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def remove(target):
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if os.path.isdir(target) and not os.path.islink(target):
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shutil.rmtree(target)
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else:
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os.unlink(target)
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def linktree(src, dst):
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subprocess.check_call(["/bin/cp", "-al", src, dst])
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