def __init__(self):
lib = cutil.find_library('v4lcapture')
if lib is not None:
self.v4l = cdll.LoadLibrary(lib)
error.log('libv4lcapture.so shared library loaded')
else:
error.critical('cannot load libv4lcapture.so shared library')
def __init__(self):
lib = cutil.find_library("v4lcapture")
if lib is not None:
self.v4l = cdll.LoadLibrary(lib)
error.log("libv4lcapture.so shared library loaded")
else:
error.critical("cannot load libv4lcapture.so shared library")
def check_devices():
'''
Check if at least one /dev/video* device exists.
'''
for file in os.listdir('/dev'):
if file.startswith('video'):
return
error.critical('no /dev/video* devices found')
def check_eths():
'''
Check if at least one eth* interface exists.
< error: Error object
'''
for file in os.listdir('/sys/class/net/'):
if file.startswith('eth') or file.startswith('eno') or\
file.startswith('ens') or file.startswith('enp') or \
file.startswith('enx'):
return
error.critical('no useful eth* interfaces found')
def _read(self):
'''
Reads the json config file.
If not found create a json object (dict).
'''
if path.isfile(self.PATH):
try:
with open(self.PATH, 'r') as conf:
self.conf = json.load(conf)
error.log('{} loaded'.format(self.PATH))
except OSError:
error.critical('cannot open {}'.format(self.PATH))
else:
self.conf = {}