def parse_routing_info(cls, records):
""" Parse the records returned from a getServers call and
return a new RoutingTable instance.
"""
if len(records) != 1:
raise RoutingProtocolError("Expected exactly one record")
record = records[0]
routers = []
readers = []
writers = []
try:
servers = record["servers"]
for server in servers:
role = server["role"]
addresses = []
for address in server["addresses"]:
addresses.append(SocketAddress.parse(
address, DEFAULT_PORT))
if role == "ROUTE":
routers.extend(addresses)
elif role == "READ":
readers.extend(addresses)
elif role == "WRITE":
writers.extend(addresses)
ttl = record["ttl"]
except (KeyError, TypeError):
raise RoutingProtocolError("Cannot parse routing info")
else:
return cls(routers, readers, writers, ttl)
def main():
parser = ArgumentParser(description="Execute one or more Cypher statements using Bolt.")
parser.add_argument("statement", nargs="+")
parser.add_argument("-a", "--address", default="localhost:7687", metavar="ADDRESS")
parser.add_argument("-k", "--keys", action="store_true")
parser.add_argument("-P", "--password")
parser.add_argument("-p", "--parameter", action="append", metavar="NAME=VALUE")
parser.add_argument("-q", "--quiet", action="store_true")
parser.add_argument("-s", "--secure", action="store_true")
parser.add_argument("-U", "--user", default="neo4j")
parser.add_argument("-v", "--verbose", action="count")
parser.add_argument("-x", "--times", type=int, default=1)
parser.add_argument("-z", "--summary", action="store_true")
args = parser.parse_args()
if args.verbose:
Watcher("neobolt").watch(logging.DEBUG, stderr)
parameters = {}
for parameter in args.parameter or []:
name, _, value = parameter.partition("=")
if value == "" and name in parameters:
del parameters[name]
else:
try:
parameters[name] = json_loads(value)
except ValueError:
parameters[name] = value
cx = connect(SocketAddress.parse(args.address, DEFAULT_PORT), auth=(args.user, args.password), encrypted=args.secure)
try:
for _ in range(args.times):
for statement in args.statement:
metadata = {}
records = []
try:
cx.run(statement, parameters, on_success=metadata.update)
cx.pull_all(on_records=records.extend, on_success=metadata.update)
cx.sync()
except CypherError as error:
stderr.write("%s: %s\r\n" % (error.code, error.message))
else:
if not args.quiet:
if args.keys:
stdout.write("%s\r\n" % "\t".join(metadata.get("fields", ())))
for i, record in enumerate(records):
stdout.write("%s\r\n" % "\t".join(map(repr, record)))
if args.summary:
for key, value in sorted(metadata):
stdout.write("{}: {}\r\n".format(key, value))
stdout.write("\r\n")
finally:
cx.close()
def test_should_fail_on_non_numeric_port(self):
with self.assertRaises(ValueError):
_ = SocketAddress.parse("127.0.0.1:X")
def test_should_parse_host_name_and_port(self):
parsed = SocketAddress.parse("localhost:7687")
self.assertEqual(parsed, ("localhost", 7687))
def test_should_parse_ipv6_address_and_port(self):
parsed = SocketAddress.parse("[::1]:7687")
self.assertEqual(parsed, ("::1", 7687, 0, 0))
def test_should_parse_ipv4_address_and_port(self):
parsed = SocketAddress.parse("127.0.0.1:7687")
self.assertEqual(parsed, ("127.0.0.1", 7687))