def data_config_filter():
rst = []
notch = bottle.request.query.get('notch')
if notch is not None:
try:
freq = int(notch)
except ValueError:
try:
pt.notch = get_boolean(notch)
except ValueError:
bottle.abort(400, 'Invalid notch value: %s' % notch)
else:
pt.notch = freq
rst.append('Realtime notch filter state: {}'.format(pt.notch or 'OFF'))
low = bottle.request.query.get('low')
high = bottle.request.query.get('high')
if None not in [low, high]:
try:
low, high = float(low), float(high)
except ValueError:
bottle.abort(400, 'Invalid bandpass argument! Only accept number.')
if low == high == 0:
pt.bandpass.clear()
rst.append('Realtime bandpass filter state: OFF')
elif high < low or low < 0:
bottle.abort(400, 'Invalid bandpass argument! 0 < Low < High.')
else:
pt.bandpass.low = max(1, low)
pt.bandpass.high = min(reader.sample_rate // 2 - 1, high)
process_register(reader.data_frame, pt)
rst.append(
'Realtime bandpass filter param: {low}Hz -- {high}Hz'.format(
**pt.bandpass))
if rst:
return minimize(rst)
def wifi_toggle(boolean):
boolean = get_boolean(boolean)
try:
nm.Enable(boolean)
except dbus.exceptions.DBusException as e:
if e.get_dbus_name() != \
'org.freedesktop.NetworkManager.AlreadyEnabledOrDisabled':
return (False, str(e))
return (True, 'already ' + ('enabled' if boolean else 'disabled'))
return (wifi_status(boolean), 'success')
def base_datafile_info(filename):
path = os.path.join(DIR_DATA, filename)
if not os.path.exists(path):
bottle.abort(400, 'Data file not exists: `%s`' % filename)
if get_boolean(bottle.request.query.get('download', 'False')):
dirname, basename = os.path.split(path)
return bottle.static_file(basename, dirname, download=True)
stat = os.stat(path)
return {
name: getattr(stat, name)
for name in [
'st_mode', 'st_ino', 'st_dev', 'st_nlink', 'st_uid', 'st_gid',
'st_size', 'st_atime', 'st_mtime', 'st_ctime'
]
}
def test_get_boolean():
assert (get_boolean('True') and get_boolean('yes')
and not get_boolean('No') and not get_boolean('off')
and get_boolean('1'))
def config_impedance(impedance):
try:
reader.measure_impedance = get_boolean(impedance)
except ValueError:
return ('Invalid impedance: `{}`! '.format(impedance) +
'Choose one from `True` | `False`')
def config_bias(bias):
try:
reader.enable_bias = get_boolean(bias)
except ValueError:
return ('Invalid bias `{}`! ' +
'Choose one from `True` | `False`').format(bias)
def config_detrend(detrend):
try:
pt.detrend = get_boolean(detrend)
except ValueError:
return ('Invalid detrend `{}`! '.format(detrend) +
'Choose one from `True` | `False`')
def event_merge(self, v):
self._event_merge = get_boolean(v)