def get_hosts(ip_range=None):
'''Get LAN alive hosts.
'''
if not ip_range:
ip_range = ['%s.0/24' % ip.rsplit('.', 1)[0] for ip in get_ips()]
elif not isinstance(ip_range, (list, tuple)):
ip_range = [ip_range]
res = []
for ip_range_ in ip_range:
stdout, stderr, return_code = popen(['fping', '-a', '-A', '-r1', '-g', ip_range_])
if return_code is not None:
res += stdout
return list(set(res))
def is_file_open(file, check_mtime=True, mtime_delta=5):
'''Return True if the file is open.
If file is a directory, recursively check all the files inside.
:param file: file or directory
:param check_mtime: check the file modified time
'''
if not os.path.exists(file):
return False
for file_ in iter_files(file):
if popen(['lsof', file_])[-1] == 0:
return True
if check_mtime:
def get_stat():
return dict([(f, os.stat(f).st_mtime) for f in iter_files(file)])
data0 = get_stat()
time.sleep(mtime_delta)
data1 = get_stat()
return data0 != data1
return False
def parse(file):
res = {}
cmd = ['mediainfo', '-language=raw', '-f', file]
stdout, stderr, return_code = popen(cmd)
if return_code is None:
raise MediainfoError('failed to run command "%s"' % ' '.join(cmd))
elif return_code != 0:
logger.error('failed to parse file %s: %s, %s', file, stdout, stderr)
return res
cat = None
for line in stdout:
fields = re.split(r'\s*:\s*', line.decode('utf-8').lower())
if len(fields) == 1:
cat = fields[0]
if cat:
res[cat] = {}
elif cat and len(fields) == 2:
if not res[cat].get(fields[0]):
res[cat][fields[0]] = fields[1]
return res
def unpack(self, remove_src=True, remove_failed=True):
'''Unpack the archive in its directory.
:return: processed files list (including multipart files)
'''
ext = self.ext.lower()
stdout, stderr, returncode = popen(ARCHIVE_DEF[ext] + [self.file], cwd=self.path)
if returncode != 0:
if remove_failed and ext in RE_EXTRACT_ERRORS:
if [l for l in stderr if RE_EXTRACT_ERRORS[ext].search(l)]:
remove_src = True
logger.info('failed to extract %s: bad archive', self.file)
else:
remove_src = False
logger.error('failed to extract %s: %s, %s', self.file, stdout, stderr)
processed = self.get_multipart_files()
# Remove files
if remove_src:
for processed_file in processed:
remove_file(processed_file)
return processed
def _service(svc, param):
cmd = 'service %s %s' % (svc, param)
stdout, stderr, returncode = popen(cmd)
return ' '.join((stdout or []) + (stderr or [])), returncode
def _service(svc, param):
cmd = 'service %s %s' % (svc, param)
stdout, stderr, returncode = popen(cmd)
return ' '.join((stdout or []) + (stderr or [])), returncode
