def load_config(args, name_suffix=""):
""" load configuration file, restoring from backup if necessary cf
config_args
"""
config_path, backup_path = get_config_path(args, name_suffix)
try:
config = pyon.load_file(config_path)
except FileNotFoundError:
logger.warning("Unable to find server configuration file, "
"restoring from backup")
shutil.copyfile(backup_path, config_path)
config = pyon.load_file(config_path)
return config
def __init__(self, pattern_file):
self.pattern_file = pattern_file
self.patterns = []
try:
self.patterns = pyon.load_file(self.pattern_file)
except FileNotFoundError:
logger.info("no pattern file found, logging everything")
def _load_setpoints(self):
"""Load setpoints from a file"""
try:
self.channels = pyon.load_file(self.fname)
logger.info("Loaded '{}', channels: {}".format(self.fname, self.channels))
except FileNotFoundError:
logger.warning("Couldn't find '{}', no setpoints loaded".format(self.fname))
def __init__(self, pattern_file):
self.pattern_file = pattern_file
self.patterns = []
try:
self.patterns = pyon.load_file(self.pattern_file)
except FileNotFoundError:
logger.info("no pattern file found, logging everything")
def __init__(self, persist_file, autosave_period=30):
self.persist_file = persist_file
self.autosave_period = autosave_period
try:
file_data = pyon.load_file(self.persist_file)
except FileNotFoundError:
file_data = dict()
self.data = Notifier({k: (True, v) for k, v in file_data.items()})
def _load_setpoints(self):
"""Load setpoints from a file"""
try:
self.channels = pyon.load_file(self.fname)
logger.info("Loaded '{}', channels: {}".format(
self.fname, self.channels))
except FileNotFoundError:
logger.warning("Couldn't find '{}', no setpoints loaded".format(
self.fname))
def scan(self):
new_data = pyon.load_file(self.backing_file)
for k in list(self.data.read.keys()):
if k not in new_data:
del self.data[k]
for k in new_data.keys():
if k not in self.data.read or self.data.read[k] != new_data[k]:
self.data[k] = new_data[k]
def __init__(self, persist_file, autosave_period=30):
self.persist_file = persist_file
self.autosave_period = autosave_period
try:
file_data = pyon.load_file(self.persist_file)
except FileNotFoundError:
file_data = dict()
self.data = Notifier({k: (True, v) for k, v in file_data.items()})
def scan(self):
new_data = pyon.load_file(self.backing_file)
for k in list(self.data.read.keys()):
if k not in new_data:
del self.data[k]
for k in new_data.keys():
if k not in self.data.read or self.data.read[k] != new_data[k]:
self.data[k] = new_data[k]
def __init__(self, filename, default_data=None):
self.filename = filename
try:
data = pyon.load_file(self.filename)
except FileNotFoundError:
if default_data is None:
raise
else:
data = default_data
self.data = Notifier(data)
self.hooks = []
def get_from_ddb(*path, default="skip"):
if not artiq_root:
raise unittest.SkipTest("no ARTIQ_ROOT")
v = pyon.load_file(os.path.join(artiq_root, "device_db.pyon"))
try:
for p in path:
v = v[p]
return v.read
except KeyError:
if default == "skip":
raise unittest.SkipTest("device db path {} not found".format(path))
else:
return default
def get_from_ddb(*path, default="skip"):
if not artiq_root:
raise unittest.SkipTest("no ARTIQ_ROOT")
v = pyon.load_file(os.path.join(artiq_root, "device_db.pyon"))
try:
for p in path:
v = v[p]
return v.read
except KeyError:
if default == "skip":
raise unittest.SkipTest("device db path {} not found".format(path))
else:
return default
def load(self):
try:
data = pyon.load_file(self.filename)
except FileNotFoundError:
logger.info("State database '%s' not found, using defaults",
self.filename)
return
# The state of one object may depend on the state of another,
# e.g. the display state may create docks that are referenced in
# the area state.
# To help address this problem, state is restored in the opposite
# order as the stateful objects are registered.
for name, obj in reversed(list(self.stateful_objects.items())):
state = data.get(name, None)
if state is not None:
try:
_restore_state(obj, state)
except:
logger.warning("Failed to restore state for object '%s'",
name, exc_info=True)
def load(self):
try:
data = pyon.load_file(self.filename)
except FileNotFoundError:
logger.info("State database '%s' not found, using defaults",
self.filename)
return
# The state of one object may depend on the state of another,
# e.g. the display state may create docks that are referenced in
# the area state.
# To help address this problem, state is restored in the opposite
# order as the stateful objects are registered.
for name, obj in reversed(list(self.stateful_objects.items())):
state = data.get(name, None)
if state is not None:
try:
_restore_state(obj, state)
except:
logger.warning("Failed to restore state for object '%s'",
name,
exc_info=True)
def calcNewDACvaluesFromFreqDiff(self, freq_diff, corrFactor=1):
"""Calculate new DAC values, based on the stretch qubit frequency difference to the setpoint"""
# least significant bits in mV output
fDAClsb = self.mVDAC_per_DACvalue
# VERR = 200*cDAC + fDAC - 202*DIFF_SIG
cDAClsb = 200 * fDAClsb
VERR_diff = freq_diff / self.kHz_per_mVerr / 1e3
VERR_corr = VERR_diff * corrFactor
if abs(VERR_corr) > 10*cDAClsb:
change_cDAC = - int(round(VERR_corr / cDAClsb))
change_fDAC = 0
else:
change_cDAC = 0
change_fDAC = - int(round(VERR_corr / fDAClsb))
try:
oldDacValues = pyon.load_file(self.fname)
#old_cDAC = self.get_dataset("BField_stabiliser.cDAC")
#old_fDAC = self.get_dataset("BField_stabiliser.fDAC")
except FileNotFoundError:
print('Error: could not find file. Using default values')
oldDacValues = {'cDAC':54710,'fDAC':33354}
old_cDAC = oldDacValues['cDAC']
old_fDAC = oldDacValues['fDAC']
new_cDAC = old_cDAC + change_cDAC
new_fDAC = old_fDAC + change_fDAC
# when fDAC out of range, change coarse DAC
if (new_fDAC > self.maxDACvalue or new_fDAC < 0):
new_cDAC += (new_fDAC-30000)/200
new_fDAC = 30000
return [new_cDAC, new_fDAC]
def __init__(self, filename):
self.filename = filename
self.data = Notifier(pyon.load_file(self.filename))
self.hooks = []
def __init__(self, fname: str): self.db = pyon.load_file(fname)
def __init__(self, backing_file):
self.backing_file = backing_file
self.data = Notifier(pyon.load_file(self.backing_file))
def __init__(self, backing_file):
self.backing_file = backing_file
self.data = Notifier(pyon.load_file(self.backing_file))