def __call__(cls, *args, **params):
assembly = params.pop("__assembly__", None)
if not assembly:
assembly = Assembly.current()
identity = params.pop("__identity__", None)
token = params.pop("__token__", None)
if not token:
token = identity = cls.identity
signature = get_constructor_args(cls)
if args:
for i, argument in enumerate(args):
try:
name = signature[i]
if name not in params:
params[name] = argument
else:
raise TypeError("duplicate arguments")
except IndexError:
raise TypeError("too many arguments")
unit = cls.__new__(cls)
unit.__assembly__ = assembly
unit.__identity__ = identity
unit.__token__ = token
# log('debug', 'instantiating unit %s: token=%r, identity=%r',
# cls.identity, token, identity)
if cls.configuration:
configuration = cls.configuration.get(unit)
if params:
for name, value in params.items():
configuration[name] = value
if name not in signature:
del params[name]
for name in signature:
if name in configuration:
params[name] = configuration[name]
for dependency in cls.dependencies.itervalues():
if not dependency.deferred:
dependency.get(unit)
unit.__init__(**params)
return unit
def __call__(cls, *args, **params):
assembly = params.pop('__assembly__', None)
if not assembly:
assembly = Assembly.current()
identity = params.pop('__identity__', None)
token = params.pop('__token__', None)
if not token:
token = identity = cls.identity
signature = get_constructor_args(cls)
if args:
for i, argument in enumerate(args):
try:
name = signature[i]
if name not in params:
params[name] = argument
else:
raise TypeError('duplicate arguments')
except IndexError:
raise TypeError('too many arguments')
unit = cls.__new__(cls)
unit.__assembly__ = assembly
unit.__identity__ = identity
unit.__token__ = token
#log('debug', 'instantiating unit %s: token=%r, identity=%r',
# cls.identity, token, identity)
if cls.configuration:
configuration = cls.configuration.get(unit)
if params:
for name, value in params.items():
configuration[name] = value
if name not in signature:
del params[name]
for name in signature:
if name in configuration:
params[name] = configuration[name]
for dependency in cls.dependencies.itervalues():
if not dependency.deferred:
dependency.get(unit)
unit.__init__(**params)
return unit
from threading import Lock
from sqlalchemy import Column, MetaData, Table, event
from sqlalchemy.ext.declarative import DeclarativeMeta, declarative_base
from sqlalchemy.orm import mapper
from sqlalchemy.orm.attributes import InstrumentedAttribute
from sqlalchemy.orm.mapper import Mapper
from sqlalchemy.orm.properties import ColumnProperty
from sqlalchemy.orm.session import object_session
from spire.schema.schema import Schema, SessionLocals
from spire.util import get_constructor_args, pluralize
__all__ = ("Model",)
MAPPER_PARAMS = get_constructor_args(Mapper)
class AttributeValidator(object):
def __init__(self, column):
self.column = column
def __call__(self, instance, value, oldvalue, initiator):
column = self.column
if value is None:
if column.nullable:
return value
else:
raise ValueError(repr(self.column))
else:
return column.type.validate(instance, column, value) or value
from threading import Lock
from sqlalchemy import Column, MetaData, Table, event
from sqlalchemy.ext.declarative import DeclarativeMeta, declarative_base
from sqlalchemy.orm import mapper
from sqlalchemy.orm.attributes import InstrumentedAttribute
from sqlalchemy.orm.mapper import Mapper
from sqlalchemy.orm.properties import ColumnProperty
from sqlalchemy.orm.session import object_session
from spire.schema.schema import Schema, SessionLocals
from spire.util import get_constructor_args, pluralize
__all__ = ('Model', )
MAPPER_PARAMS = get_constructor_args(Mapper)
class AttributeValidator(object):
def __init__(self, column):
self.column = column
def __call__(self, instance, value, oldvalue, initiator):
column = self.column
if value is None:
if column.nullable:
return value
else:
raise ValueError(repr(self.column))
else:
return column.type.validate(instance, column, value) or value
