lxnay
372caef077
- massive bugfixing, it's starting to work git-svn-id: http://svn.sabayonlinux.org/projects/molecule/trunk@2990 cd1c1023-2f26-0410-ae45-c471fc1f0318
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
#!/usr/bin/python -O
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# -*- coding: iso-8859-1 -*-
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# Molecule Disc Image builder for Sabayon Linux
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# Copyright (C) 2009 Fabio Erculiani
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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, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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from __future__ import with_statement
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import os
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import time
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import subprocess
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import shutil
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from molecule.exception import EnvironmentError
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def get_year():
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return time.strftime("%Y")
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def valid_exec_check(path):
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with open("/dev/null","w") as f:
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p = subprocess.Popen([path], stdout = f, stderr = f)
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rc = p.wait()
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if rc == 127:
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raise EnvironmentError("EnvironmentError: %s not found" % (path,))
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def is_exec_available(exec_name):
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paths = os.getenv("PATH")
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if not paths: return False
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paths = paths.split(":")
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for path in paths:
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path = os.path.join(path,exec_name)
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if os.path.isfile(path) and os.access(path,os.X_OK):
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return True
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return False
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def exec_cmd(args):
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# do not use Popen otherwise it will try to replace
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# wildcards automatically ==> rsync no workie
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return subprocess.call(' '.join(args), shell = True)
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def exec_chroot_cmd(args, chroot):
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pid = os.fork()
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if pid == 0:
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os.chroot(chroot)
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os.chdir("/")
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p = subprocess.Popen(args)
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rc = p.wait()
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os._exit(rc)
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else:
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pid, status = os.waitpid(pid,0)
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return status
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def empty_dir(dest_dir):
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for el in os.listdir(dest_dir):
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el = os.path.join(dest_dir,el)
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if os.path.isfile(el) or os.path.islink(el):
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os.remove(el)
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elif os.path.isdir(el):
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shutil.rmtree(el,True)
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if os.path.isdir(el):
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os.rmdir(el)
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# using subprocess.call to not care about wildcards
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def remove_path(path):
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return subprocess.call('rm -rf %s' % (path,), shell = True)
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def get_random_number():
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return abs(hash(os.urandom(2)))%99999
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