def mountPartitions(self):
print("mount partitions")
if not self.is_persistent or not isdir(self.lfs):
_eintr_retry_call(mkdir, self.lfs)
check_call(['losetup', self.lo, self.path],
stdin=DEVNULL,
stdout=DEVNULL)
check_call(['mount', '-t', self.fstype, self.lo, self.lfs],
stdin=DEVNULL,
stdout=DEVNULL)
def createDisk(self):
print("create disk")
#if exists(self.pathdir): return
self.createImagePath()
""" https://stackoverflow.com/questions/12654772/create-empty-file-using-python """
basedir = _eintr_retry_call(dirname, self.path)
if not exists(basedir): _eintr_retry_call(makedirs, basedir)
""" https://www.tutorialspoint.com/python/file_truncate.htm """
with open(self.path, 'wb') as f:
_eintr_retry_call(lambda F: F.truncate(self.sz), f)
def downloadSources(self):
print("download sources")
if not _eintr_retry_call(isdir, self.sources):
_eintr_retry_call(mkdir, self.sources)
_eintr_retry_call(chmod_a_plus_wt, self.sources)
# TODO
#wget --input-file=wget-list --continue --directory-prefix=$LFS/sources
wgetList = "%s/wget-list" % self.lfs_dns
md5sums = "%s/md5sums" % self.lfs_dns
missing_urls, missing_hashes, correct_hashes, failed_hashes = phash_c_download_stats(
wgetList, md5sums, self.sources)
print("correct hashes: %s" % correct_hashes)
"""
def removeLFSUser(self):
print("remove LFS user")
##restore_eprivileges(self.groups, self.old_umask)
##admin.deleteUser(jimbo)
##admin.removeHome(jimbo)
##admin.removeMail(jimbo)
home = _eintr_retry_call(getpwnam, self.user).pw_dir
check_call(['userdel', self.user], stdin=DEVNULL, stdout=DEVNULL)
##check_call(['groupdel', self.user])
## TODO
##home = expanduser("~%s" % self.user)
##home = "/home/%s" % self.user
_eintr_retry_call(rmtree, home)
def setupEnvironment(self):
print("setup environment")
home = _eintr_retry_call(getpwnam, self.user).pw_dir
def cp(x):
_eintr_retry_call(copyfile, x, join(home, x))
#t1 = Thread(target=cp, args=[".bash_profile"])
#t2 = Thread(target=cp, args=[".bashrc"])
#t1.start()
#t2.start()
#t1.join()
#t2.join()
def sed(x):
with open(x, 'r') as f:
s = f.read()
s.replace('/mnt/lfs', self.lfs)
s.replace('LFS_TGT=$(uname -m)-lfs-linux-gnu', self.lfs_tgt)
with open(join(home, x), 'w') as f:
f.write(s)
parallelize([
(sed, [".bash_profile"]),
# TODO sed /mnt/lfs with self.lfs
(cp, [".bashrc"])
])
""" https://stackoverflow.com/questions/8365394/set-environment-variable-in-python-script#8365493 """
term = os.environ['TERM']
os.environ = {
'HOME':
home,
'TERM':
term,
'PS1':
"""\\u:\\w\\$ """,
'LFS':
self.lfs,
'LC_ALL':
'POSIX',
'LFS_TGT':
'%s-lfs-linux-gnu' % uname()[4],
'PATH':
':'.join([
join(self.toolsym, 'bin'),
join(sep, 'bin'),
join(sep, 'usr', 'bin')
])
}
umask(0o22)
def dropChildPrivileges(child, uid_name='nobody', gid_name='nogroup'):
#try:
pid = fork()
#except OSError:
if pid is 0:
try:
drop_privileges(uid_name=uid_name, gid_name=gid_name)
child()
#finally: _exit(0)
except:
_exit(2)
_exit(0)
#waitpid(pid, 0)
cid, es = _eintr_retry_call(waitpid, pid, 0)
if es: raise Exception()
def cp(x):
_eintr_retry_call(copyfile, x, join(home, x))