def __new__(cls, *args, **kwargs):
try:
exception = kwargs["exception"]
error_cls = type(xstr(exception), (cls, ), {})
except KeyError:
error_cls = cls
return Exception.__new__(error_cls, *args)
def __new__(cls, *args, **kwargs):
try:
exception = kwargs["exception"]
error_cls = type(xstr(exception), (cls,), {})
except KeyError:
error_cls = cls
return Exception.__new__(error_cls, *args)
def type(name):
""" Return the :class:`.Relationship` subclass corresponding to a
given name.
:param name: relationship type name
:returns: `type` object
"""
for s in Relationship.__subclasses__():
if s.__name__ == name:
return s
return type(xstr(name), (Relationship, ), {})
def type(name):
""" Return the :class:`.Relationship` subclass corresponding to a
given name.
:param name: relationship type name
:returns: `type` object
Example::
>>> KNOWS = Relationship.type("KNOWS")
>>> KNOWS(a, b)
KNOWS(Node('Person', name='Alice'), Node('Person', name='Bob')
"""
for s in Relationship.__subclasses__():
if s.__name__ == name:
return s
return type(xstr(name), (Relationship, ), {})
def parse(cls, s, default_host=None, default_port=None):
s = xstr(s)
if s.startswith("["):
# IPv6
host, _, port = s[1:].rpartition("]")
port = port.lstrip(":")
try:
port = int(port)
except (TypeError, ValueError):
pass
return cls((host or default_host or "localhost", port
or default_port or 0, 0, 0))
else:
# IPv4
host, _, port = s.partition(":")
try:
port = int(port)
except (TypeError, ValueError):
pass
return cls((host or default_host or "localhost", port
or default_port or 0))
def parse(cls, s, default_host=None, default_port=None):
s = xstr(s)
if not isinstance(s, str):
raise TypeError("Address.parse requires a string argument")
if s.startswith("["):
# IPv6
host, _, port = s[1:].rpartition("]")
port = port.lstrip(":")
try:
port = int(port)
except (TypeError, ValueError):
pass
return cls((host or default_host or "localhost", port
or default_port or 0, 0, 0))
else:
# IPv4
host, _, port = s.partition(":")
try:
port = int(port)
except (TypeError, ValueError):
pass
return cls((host or default_host or "localhost", port
or default_port or 0))
def __str__(self):
return xstr(cypher_repr(self))
def __str__(self):
return xstr(self.__unicode__())
def __str__(self):
return xstr(self.__unicode__())
