def _setup_topology(self, topology_file):
"""
Sets up the topology, if specified.
:param topology_file: str
The relative path to the json-file defining the topology. It will
be assumed that the absolute path to the file is
$simulaqron_path/topology_file.
If topology is an empty string then a fully connected topology will
be used.
:return: None
"""
if topology_file == "":
return
else:
# Get path to SimulaQron folder
simulaqron_path = get_simulaqron_path.main()
# Get the absolute path to the file
abs_path = os.path.join(simulaqron_path, topology_file)
try:
with open(abs_path, "r") as top_file:
try:
self.topology = json.load(top_file)
except json.JSONDecodeError:
raise RuntimeError(
"Could not parse the json file: {}".format(
abs_path))
except FileNotFoundError:
raise FileNotFoundError(
"Could not find the file specifying the topology:"
" {}".format(abs_path))
except IsADirectoryError:
raise FileNotFoundError(
"Could not find the file specifying the topology: "
"{}".format(abs_path))
def main():
# In this example, we are Bob.
myName = "Repeater1"
# This file defines the network of virtual quantum nodes
simulaqron_path = get_simulaqron_path.main()
virtualFile = os.path.join(simulaqron_path, "config/virtualNodes.cfg")
# This file defines the nodes acting as servers in the classical communication network
classicalFile = "repeater1_classical_net.cfg"
# Read configuration files for the virtual quantum, as well as the classical network
virtualNet = socketsConfig(virtualFile)
classicalNet = socketsConfig(classicalFile)
# Check if we should run a local classical server. If so, initialize the code
# to handle remote connections on the classical communication network
if myName in classicalNet.hostDict:
lNode = localNode(classicalNet.hostDict[myName], classicalNet)
logging.debug("LOCAL %s: Initialise a classical server..: %s.", myName, lNode)
else:
lNode = None
logging.debug("LOCAL %s: No initialisation of classical server..: %s.", myName, lNode)
# Set up the local classical server if applicable, and connect to the virtual
# node and other classical servers. Once all connections are set up, this will
# execute the function runClientNode
setup_local(myName, virtualNet, classicalNet, lNode, runClientNode)
def check_topology(self, topology):
simulaqron_path = get_simulaqron_path.main()
topology_config_file = os.path.join(simulaqron_path, "config",
"topology.json")
with open(topology_config_file, 'r') as f:
topology_in_file = json.load(f)
self.assertEqual(topology_in_file, topology)
def main():
# In this example, we are YOURNAME
myName = "Charlie"
# This file defines the network of virtual quantum nodes
simulaqron_path = get_simulaqron_path.main()
virtualFile = os.path.join(simulaqron_path, "config/virtualNodes.cfg")
# This file defines the nodes acting as servers in the classical communication network
classicalFile = os.path.join(os.path.dirname(__file__), "classicalNet.cfg")
# Read configuration files for the virtual quantum, as well as the classical network
virtualNet = socketsConfig(virtualFile)
classicalNet = socketsConfig(classicalFile)
# Check if we should run a local classical server. If so, initialize the code
# to handle remote connections on the classical communication network
if myName in classicalNet.hostDict:
lNode = localNode(classicalNet.hostDict[myName], classicalNet)
else:
lNode = None
# Set up the local classical server if applicable, and connect to the virtual
# node and other classical servers. Once all connections are set up, this will
# execute the function runClientNode
setup_local(myName, virtualNet, classicalNet, lNode, runClientNode)
def tearDownClass(cls):
# Set config files back to default
for file in ["Nodes.cfg", "topology.json", "settings.ini"]:
simulaqron_path = get_simulaqron_path.main()
file_path = os.path.join(simulaqron_path, "config", file)
os.remove(file_path)
construct_node_configs()
Settings.default_settings()
def check_nodes_and_topology_in_file(self, network):
simulaqron_path = get_simulaqron_path.main()
network_config_file = os.path.join(simulaqron_path, "config", "network.json")
with open(network_config_file, 'r') as f:
network_config = json.load(f)
nodes_in_file = list(network_config[network.name]["nodes"].keys())
self.assert_nodes(nodes_in_file, network.nodes)
topology_in_file = network_config[network.name]["topology"]
self.assert_topology(topology_in_file, network.topology)
def construct_node_configs(nodes=None):
"""
Constructs the config files for the nodes and their port numbers.
Port number used will start from 8801 and end at '8801 + 3*len(nodes)'.
:param nodes: list of str or None
List of the names of the nodes.
If None then the nodes Alice, Bob, Charlie, David and Eve is used.
:return: None
"""
# Default
if nodes is None:
nodes = ["Alice", "Bob", "Charlie", "David", "Eve"]
nrNodes = len(nodes)
if nrNodes == 0:
return
# Get path to SimulaQron folder
simulaqron_path = get_simulaqron_path.main()
# Get path to configuration files
conf_files = [
Settings.CONF_VNODE_FILE, Settings.CONF_CQC_FILE,
Settings.CONF_APP_FILE
]
# File for just a simple list of the nodes
node_file = Settings.CONF_NODES_FILE
# What port numbers to start with
start_nr = [8801, 8801 + nrNodes, 8801 + 2 * nrNodes]
# Start of the configuration files
conf_top = [
"# Network configuration file",
"#",
"# For each host its informal name, as well as its location in the network must",
"# be listed.",
"#",
"# [name], [hostname], [port number]",
"#",
]
# Write to the configuration files
for i in range(len(conf_files)):
with open(conf_files[i], "w") as f:
for line in conf_top:
f.write(line + "\n")
for j in range(nrNodes):
f.write("{}, localhost, {}\n".format(nodes[j],
start_nr[i] + j))
with open(node_file, "w") as f:
for j in range(nrNodes):
f.write("{}\n".format(nodes[j]))
def __init__(self,
name=None,
nodes=None,
topology=None,
cqc_file=None,
app_file=None):
self._running = False
if name is None:
self.name = "default"
else:
self.name = name
if cqc_file is None:
self._cqc_file = Settings.CONF_CQC_FILE
else:
self._cqc_file = cqc_file
if app_file is None:
self._app_file = Settings.CONF_APP_FILE
else:
self._app_file = app_file
simulaqron_path = get_simulaqron_path.main()
# Set the nodes
if nodes is None:
node_config_file = Settings.CONF_NODES_FILE
self.nodes = load_node_names(node_config_file)
else:
self.nodes = nodes
construct_node_configs(nodes=nodes)
# Set the topology
if topology is None:
rel_topology_config_file = Settings.CONF_TOPOLOGY_FILE
if rel_topology_config_file == '':
self.topology = None
else:
abs_topology_config_file = os.path.join(
simulaqron_path, rel_topology_config_file)
with open(abs_topology_config_file, 'r') as f:
self.topology = json.load(f)
else:
self.topology = topology
construct_topology_config(topology=self.topology, nodes=self.nodes)
self.processes = []
self._setup_processes()
def main(name):
signal.signal(signal.SIGTERM, sigterm_handler)
signal.signal(signal.SIGINT, sigterm_handler)
# Get path to SimulaQron folder
simulaqron_path = get_simulaqron_path.main()
logging.basicConfig(
format="%(asctime)s:%(levelname)s:%(message)s",
level=Settings.CONF_LOGGING_LEVEL_BACKEND,
)
logging.debug("Starting VIRTUAL NODE %s", name)
virtualFile = Settings.CONF_VNODE_FILE
be = backEnd(name, virtualFile)
be.start(maxQubits=Settings.CONF_MAXQUBITS,
maxRegisters=Settings.CONF_MAXREGS)
def setUp(self):
self.network = None
# Set config files
simulaqron_path = get_simulaqron_path.main()
nodes_config_file = os.path.join(simulaqron_path, "config",
"Nodes.cfg")
with open(nodes_config_file, 'w') as f:
self.nodes = ["Test1", "Test2", "Test3"]
f.writelines([node + "\n" for node in self.nodes])
topology_config_file = os.path.join(simulaqron_path, "config",
"topology.json")
with open(topology_config_file, 'w') as f:
self.topology = {
"Test1": ["Test2"],
"Test2": ["Test3"],
"Test3": []
}
json.dump(self.topology, f)
Settings.CONF_TOPOLOGY_FILE = os.path.join("config", "topology.json")
def init(name, cqcFile=None):
"""
Initialize a connection to the cqc server with the name given as input.
A path to a configure file for the cqc network can be given,
if it's not given the config file 'config/cqcNodes.cfg' will be used.
Returns a socket object.
"""
# This file defines the network of CQC servers interfacing to virtual quantum nodes
if cqcFile is None:
simulaqron_path = get_simulaqron_path.main()
cqcFile = os.path.join(simulaqron_path, "config/cqcNodes.cfg")
# Read configuration files for the cqc network
cqcNet = networkConfig(cqcFile)
# Host data
if name in cqcNet.hostDict:
myHost = cqcNet.hostDict[name]
else:
logging.error("The name '%s' is not in the cqc network.", name)
raise LookupError(
"The name '%s' is not in the cqc network.".format(name))
addr = myHost.addr
# Connect to cqc server and run protocol
cqc = None
try:
cqc = socket.socket(addr[0], addr[1], addr[2])
except socket.error:
logging.error("Could not connect to cqc server: %s", name)
try:
cqc.connect(addr[4])
except socket.error:
cqc.close()
logging.error("Could not connect to cqc server: %s", name)
return cqc
def main(myName):
"""Start the indicated backend CQC Server"""
signal.signal(signal.SIGTERM, sigterm_handler)
signal.signal(signal.SIGINT, sigterm_handler)
logging.basicConfig(
format="%(asctime)s:%(levelname)s:%(message)s",
level=Settings.CONF_LOGGING_LEVEL_BACKEND,
)
# Get path to SimulaQron folder
simulaqron_path = get_simulaqron_path.main()
# This file defines the network of virtual quantum nodes
virtualFile = Settings.CONF_VNODE_FILE
# This file defines the network of CQC servers interfacing to virtual quantum nodes
cqcFile = Settings.CONF_CQC_FILE
# Read configuration files for the virtual quantum, as well as the classical network
virtualNet = networkConfig(virtualFile)
cqcNet = networkConfig(cqcFile)
# Check if we are in the host-dictionary
if myName in cqcNet.hostDict:
myHost = cqcNet.hostDict[myName]
cqc_factory = CQCFactory(myHost, myName, cqcNet, SimulaqronCQCHandler)
else:
logging.error("LOCAL %s: Cannot start classical communication servers.", myName)
return
# Connect to the local virtual node simulating the "local" qubits
connect_to_virtNode(myName, cqc_factory, virtualNet)
# Run reactor
reactor.run()
def construct_topology_config(topology, nodes, save_fig=True):
"""
Constructs a json file at config/topology.json, used to define the topology of the network.
:param topology: str
Should be one of the following: None, 'complete', 'ring', 'random_tree'.
:param nodes: list of str
List of the names of the nodes.
:param save_fig: bool
Whether to save a picture of the network
:return: None
"""
if topology:
if isinstance(topology, dict):
adjacency_dct = {node: topology[node] for node in nodes}
elif topology == "complete":
adjacency_dct = {}
for i, node in enumerate(nodes):
adjacency_dct[node] = nodes[:i] + nodes[i + 1:]
elif topology == "ring":
adjacency_dct = {}
nn = len(nodes)
for i, node in enumerate(nodes):
adjacency_dct[node] = [
nodes[(i - 1) % nn], nodes[(i + 1) % nn]
]
elif topology == "path":
adjacency_dct = {}
nn = len(nodes)
for i, node in enumerate(nodes):
if i == 0:
adjacency_dct[node] = [nodes[i + 1]]
elif i == (nn - 1):
adjacency_dct[node] = [nodes[i - 1]]
else:
adjacency_dct[node] = [
nodes[(i - 1) % nn], nodes[(i + 1) % nn]
]
elif topology == "random_tree":
adjacency_dct = get_random_tree(nodes)
elif topology[:16] == "random_connected":
try:
nr_edges = int(topology[17:])
except ValueError:
raise ValueError(
"When specifying a random connected graph use the format 'random_connected_{nr_edges}',"
"where 'nr_edges' is the number of edges of the graph.")
except IndexError:
raise ValueError(
"When specifying a random connected graph use the format 'random_connected_{nr_edges}',"
"where 'nr_edges' is the number of edges of the graph.")
adjacency_dct = get_random_connected(nodes, nr_edges)
else:
raise ValueError("Unknown topology name")
# Get path to SimulaQron folder
simulaqron_path = get_simulaqron_path.main()
if save_fig:
network = nx.from_dict_of_lists(adjacency_dct)
try:
nx.draw(network, with_labels=True)
except _tkinter.TclError as err:
logging.warning(
"Could not draw since there seems to be no screen. Error: {}"
.format(err))
else:
fig_path = os.path.join(simulaqron_path, "config/topology.png")
plt.savefig(fig_path)
topology_file = os.path.join(simulaqron_path, "config/topology.json")
with open(topology_file, "w") as top_file:
json.dump(adjacency_dct, top_file)
Settings.set_setting("BACKEND", "topology_file",
"config/topology.json")
else:
Settings.set_setting("BACKEND", "topology_file", "")
def check_nodes(self, nodes):
simulaqron_path = get_simulaqron_path.main()
nodes_config_file = os.path.join(simulaqron_path, "config",
"Nodes.cfg")
nodes_in_file = load_node_names(nodes_config_file)
self.assertEqual(nodes_in_file, nodes)
# LOSS OF USE, DATA, OR PROFITS OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#########################
# SETTINGS FOR SIMULAQRON
#########################
import os
import json
import logging
from enum import Enum
from simulaqron.toolbox import get_simulaqron_path
simulaqron_path = get_simulaqron_path.main()
config_folder = os.path.join(simulaqron_path, "config")
class SimBackend(Enum):
STABILIZER = "stabilizer"
PROJECTQ = "projectq"
QUTIP = "qutip"
class Config:
simulaqron_path = get_simulaqron_path.main()
config_folder = os.path.join(simulaqron_path, "config")
_internal_settings_file = os.path.join(simulaqron_path, "config",
"settings.json")
class Config:
simulaqron_path = get_simulaqron_path.main()
config_folder = os.path.join(simulaqron_path, "config")
_internal_settings_file = os.path.join(simulaqron_path, "config",
"settings.json")
_user_settings_file = os.path.join(os.path.expanduser("~"),
".simulaqron.json")
# Dictionary for settings
_config = {}
_default_config = {
"_read_user": True,
"max_qubits": 20,
"max_registers": 1000,
"conn_retry_time": 0.5,
"recv_timeout": 100, # (x 100 ms)
"recv_retry_time": 0.1, # (seconds)
"log_level": logging.WARNING,
"sim_backend": SimBackend.STABILIZER.value,
"network_config_file": os.path.join(config_folder, "network.json"),
"noisy_qubits": False,
"t1": 1.0
}
class Decorator:
@classmethod
def get_setting(cls, method):
def updated_func(self):
return self._get_setting(method.__name__)
return updated_func
@classmethod
def set_setting(cls, method):
def updated_func(self, value):
return self._set_setting(method.__name__, value)
return updated_func
def __init__(self):
self.update_settings()
def update_settings(self, default=False):
# Update with default settings
self._config.update(self._default_config)
# Update with internal settings (if exists and default is False)
if not default:
if os.path.exists(self._internal_settings_file):
with open(self._internal_settings_file, 'r') as f:
internal_config = json.load(f)
self._config.update(internal_config)
else:
self._write()
# Update with internal settings (if exists and _read_user is True)
if self._read_user:
if os.path.exists(self._user_settings_file):
with open(self._user_settings_file, 'r') as f:
user_config = json.load(f)
self._config.update(user_config)
def default_settings(self):
self.update_settings(default=True)
self._write()
def _write(self):
with open(self._internal_settings_file, 'w') as f:
json.dump(self._config, f, indent=4)
def _get_setting(self, setting):
try:
value = self._config[setting]
except KeyError:
raise KeyError("Cannot find the setting {} in the file {}".format(
setting, self._internal_settings_file))
return value
def _set_setting(self, setting, value):
self._config[setting] = value
self._write()
# Below are the settings, note that _get_setting and _set_setting are automaticaly
# called when a setting is set or get. When a value is set the values is saved to the
# settings (json) file using the name of the property as key.
@property
@Decorator.get_setting
def _read_user(self):
pass
@_read_user.setter
@Decorator.set_setting
def _read_user(self, _read_user):
pass
@property
@Decorator.get_setting
def sim_backend(self):
pass
@sim_backend.setter
@Decorator.set_setting
def sim_backend(self, sim_backend):
pass
@property
@Decorator.get_setting
def max_qubits(self):
pass
@max_qubits.setter
@Decorator.set_setting
def max_qubits(self, max_qubits):
pass
@property
@Decorator.get_setting
def max_registers(self):
pass
@max_registers.setter
@Decorator.set_setting
def max_registers(self, max_registers):
pass
@property
@Decorator.get_setting
def conn_retry_time(self):
pass
@conn_retry_time.setter
@Decorator.set_setting
def conn_retry_time(self, conn_retry_time):
pass
@property
@Decorator.get_setting
def recv_timeout(self):
pass
@recv_timeout.setter
@Decorator.set_setting
def recv_timeout(self, recv_timeout):
pass
@property
@Decorator.get_setting
def recv_retry_time(self):
pass
@recv_retry_time.setter
@Decorator.set_setting
def recv_retry_time(self, recv_retry_time):
pass
@property
@Decorator.get_setting
def log_level(self):
pass
@log_level.setter
@Decorator.set_setting
def log_level(self, log_level):
pass
@property
@Decorator.get_setting
def network_config_file(self):
pass
@network_config_file.setter
@Decorator.set_setting
def network_config_file(self, app_file):
pass
@property
@Decorator.get_setting
def noisy_qubits(self):
pass
@noisy_qubits.setter
@Decorator.set_setting
def noisy_qubits(self, noisy_qubits):
pass
@property
@Decorator.get_setting
def t1(self):
pass
@t1.setter
@Decorator.set_setting
def t1(self, t1):
pass
class Settings:
# Get path to SimulaQron folder
simulaqron_path = get_simulaqron_path.main()
_settings_file = os.path.join(simulaqron_path, "config/settings.ini")
_config = ConfigParser()
# default settings for if file is not ready yet
CONF_MAXQUBITS = _DefaultSettings.CONF_MAXQUBITS
CONF_MAXREGS = _DefaultSettings.CONF_MAXREGS
CONF_WAIT_TIME = _DefaultSettings.CONF_WAIT_TIME
CONF_RECV_TIMEOUT = _DefaultSettings.CONF_RECV_TIMEOUT
CONF_RECV_EPR_TIMEOUT = _DefaultSettings.CONF_RECV_EPR_TIMEOUT
CONF_WAIT_TIME_RECV = _DefaultSettings.CONF_WAIT_TIME_RECV
CONF_LOGGING_LEVEL_BACKEND = _DefaultSettings.CONF_LOGGING_LEVEL_BACKEND
CONF_LOGGING_LEVEL_FRONTEND = _DefaultSettings.CONF_LOGGING_LEVEL_FRONTEND
CONF_BACKEND = _DefaultSettings.CONF_BACKEND
CONF_TOPOLOGY_FILE = _DefaultSettings.CONF_TOPOLOGY_FILE
CONF_APP_FILE = _DefaultSettings.CONF_APP_FILE
CONF_CQC_FILE = _DefaultSettings.CONF_CQC_FILE
CONF_VNODE_FILE = _DefaultSettings.CONF_VNODE_FILE
CONF_NODES_FILE = _DefaultSettings.CONF_NODES_FILE
CONF_NOISY_QUBITS = _DefaultSettings.CONF_NOISY_QUBITS
CONF_T1 = _DefaultSettings.CONF_T1
log_levels = {
"info": logging.INFO,
"debug": logging.DEBUG,
"warning": logging.WARNING,
"error": logging.ERROR,
"critical": logging.CRITICAL
}
@classmethod
def init_settings(cls):
_config = cls._config
_config.read(cls._settings_file)
config_changed = False
if "BACKEND" not in _config:
_config['BACKEND'] = {}
backend = _config['BACKEND']
if "MaxQubits_Per_Node" in backend:
cls.CONF_MAXQUBITS = int(backend['MaxQubits_Per_Node'])
else:
_config['BACKEND']['MaxQubits_Per_Node'] = str(cls.CONF_MAXQUBITS)
config_changed = True
if "MaxRegisters_Per_Node" in backend:
cls.CONF_MAXREGS = int(backend['MaxRegisters_Per_Node'])
else:
_config['BACKEND']['MaxRegisters_Per_Node'] = str(cls.CONF_MAXREGS)
config_changed = True
if "WaitTime" in backend:
cls.CONF_WAIT_TIME = float(backend['WaitTime'])
else:
backend['WaitTime'] = str(cls.CONF_WAIT_TIME)
config_changed = True
if "RecvTimeout" in backend:
cls.CONF_RECV_TIMEOUT = float(backend['RecvTimeout'])
else:
backend['RecvTimeout'] = str(cls.CONF_RECV_TIMEOUT)
config_changed = True
if "RecvEPRTimeout" in backend:
cls.CONF_RECV_EPR_TIMEOUT = float(backend['RecvEPRTimeout'])
else:
backend['RecvEPRTimeout'] = str(cls.CONF_RECV_EPR_TIMEOUT)
config_changed = True
if "WaitTimeRecv" in backend:
cls.CONF_WAIT_TIME_RECV = float(backend['WaitTimeRecv'])
else:
backend['WaitTimeRecv'] = str(cls.CONF_WAIT_TIME_RECV)
config_changed = True
if "LogLevel" in backend:
_log_level = backend['LogLevel'].lower()
if _log_level in cls.log_levels:
cls.CONF_LOGGING_LEVEL_BACKEND = cls.log_levels[_log_level]
else:
backend['LogLevel'] = list(cls.log_levels.keys())[list(
cls.log_levels.values()).index(
cls.CONF_LOGGING_LEVEL_BACKEND)]
else:
backend['LogLevel'] = list(cls.log_levels.keys())[list(
cls.log_levels.values()).index(cls.CONF_LOGGING_LEVEL_BACKEND)]
config_changed = True
if "Backend" in backend:
cls.CONF_BACKEND = backend["backend"]
else:
backend["backend"] = cls.CONF_BACKEND
config_changed = True
if "Topology_File" in backend:
cls.CONF_TOPOLOGY_FILE = backend['Topology_File']
else:
backend['Topology_File'] = cls.CONF_TOPOLOGY_FILE
config_changed = True
if "App_File" in backend:
cls.CONF_APP_FILE = backend['App_File']
else:
backend['App_File'] = cls.CONF_APP_FILE
config_changed = True
if "Cqc_File" in backend:
cls.CONF_CQC_FILE = backend['Cqc_File']
else:
backend['Cqc_File'] = cls.CONF_CQC_FILE
config_changed = True
if "Vnode_File" in backend:
cls.CONF_VNODE_FILE = backend['Vnode_File']
else:
backend['Vnode_File'] = cls.CONF_VNODE_FILE
config_changed = True
if "Nodes_File" in backend:
cls.CONF_NODES_FILE = backend['Nodes_File']
else:
backend['Nodes_File'] = cls.CONF_NODES_FILE
config_changed = True
if "noisy_qubits" in backend:
cls.CONF_NOISY_QUBITS = backend['noisy_qubits'] == 'True'
else:
backend['noisy_qubits'] = str(cls.CONF_NOISY_QUBITS)
config_changed = True
if "T1" in backend:
cls.CONF_T1 = float(backend['T1'])
else:
backend['T1'] = str(cls.CONF_T1)
config_changed = True
if "FRONTEND" not in _config:
_config['FRONTEND'] = {}
frontend = _config['FRONTEND']
if "LogLevel" in frontend:
_log_level = frontend['LogLevel'].lower()
if _log_level in cls.log_levels:
cls.CONF_LOGGING_LEVEL_FRONTEND = cls.log_levels[_log_level]
else:
frontend['LogLevel'] = list(cls.log_levels.keys())[list(
cls.log_levels.values()).index(
cls.CONF_LOGGING_LEVEL_FRONTEND)]
else:
frontend['LogLevel'] = list(cls.log_levels.keys())[list(
cls.log_levels.values()).index(
cls.CONF_LOGGING_LEVEL_FRONTEND)]
config_changed = True
if config_changed:
cls.save_settings()
@classmethod
def save_settings(cls):
with open(cls._settings_file, 'w') as file:
cls._config.write(file)
@classmethod
def set_setting(cls, section, key, value):
cls._config[section][key] = value
cls.save_settings()
@classmethod
def default_settings(cls):
cls.CONF_MAXQUBITS = _DefaultSettings.CONF_MAXQUBITS
cls.CONF_MAXREGS = _DefaultSettings.CONF_MAXREGS
cls.CONF_WAIT_TIME = _DefaultSettings.CONF_WAIT_TIME
cls.CONF_LOGGING_LEVEL_BACKEND = _DefaultSettings.CONF_LOGGING_LEVEL_BACKEND
cls.CONF_LOGGING_LEVEL_FRONTEND = _DefaultSettings.CONF_LOGGING_LEVEL_FRONTEND
cls.CONF_BACKEND = _DefaultSettings.CONF_BACKEND
cls.CONF_TOPOLOGY_FILE = _DefaultSettings.CONF_TOPOLOGY_FILE
cls.CONF_NOISY_QUBITS = _DefaultSettings.CONF_NOISY_QUBITS
cls.CONF_T1 = _DefaultSettings.CONF_T1
if os.path.exists(cls._settings_file):
os.remove(cls._settings_file)
cls._config = ConfigParser()
cls.init_settings()
cls.save_settings()
