def __init__(self, name, multiplicity=None, atype=None, order=None):
self.py_id = util.to_valid_identifier_name(name)
self.owner_spec = None # filled in when the attr is added to a spec
self.name = name
self.type = self._get_valid_type(atype)
self.order = order
self.multiplicity = self._get_valid_multiplicity(multiplicity)
def __init__(self, name, multiplicity=None, atype=None, order=None):
self.py_id = util.to_valid_identifier_name(name)
self.owner_spec = None # filled in when the attr is added to a spec
self.name = name
self.type = self._get_valid_type(atype)
self.order = order
self.multiplicity = self._get_valid_multiplicity(multiplicity)
def set_value(self, name, value, order=None):
"""
Sets the value for the attribute with the specified name.
"""
py_identifier = util.to_valid_identifier_name(name)
self.attr_identifiers[name] = py_identifier
if order:
self.attr_orders[name] = order
else:
self.attr_orders[name] = max(self.attr_orders.values())+1 if len(self.attr_orders.values())>0 else 1
setattr(self, py_identifier, value)
self._is_modified = True
def set_value(self, name, value, order=None):
"""
Sets the value for the attribute with the specified name.
"""
py_identifier = util.to_valid_identifier_name(name)
self.attr_identifiers[name] = py_identifier
if order:
self.attr_orders[name] = order
else:
self.attr_orders[name] = max(self.attr_orders.values()) + 1 if len(
self.attr_orders.values()) > 0 else 1
setattr(self, py_identifier, value)
self._is_modified = True
def __init__(cls, *args, **kwargs):
extra_kwargs = dict(kwargs)
cls.original_name = None
cls.name = args[0] if len(args) > 0 else extra_kwargs.pop('name', None)
name = util.to_valid_identifier_name(cls.name)
bases = args[1] if len(args) > 1 else extra_kwargs.pop('bases', None)
dct = args[2] if len(args) > 2 else extra_kwargs.pop('dct', None)
cls.version = extra_kwargs.get('version', None)
cls._is_new = not kwargs.pop('persisted', False)
cls._replace_attributes(extra_kwargs.get('attributes', []))
cls._is_modified = False # will be switched to True if either the name bases or attributes are changed
cls._is_renamed = False # will be switched to True if the name is changed
#cls.py_id = util.to_valid_identifier_name(cls.id) # not needed as an extra attribute, it's already the class identifier!
super(Entity, cls).__init__(name, bases, dct)
def __init__(cls, *args, **kwargs):
extra_kwargs = dict(kwargs)
cls.original_name = None
cls.name = args[0] if len(args)>0 else extra_kwargs.pop('name', None)
name = util.to_valid_identifier_name(cls.name)
bases = args[1] if len(args)>1 else extra_kwargs.pop('bases', None)
dct = args[2] if len(args)>2 else extra_kwargs.pop('dct', None)
cls.version = extra_kwargs.get('version', None)
cls._is_new = not kwargs.pop('persisted', False)
cls._replace_attributes(extra_kwargs.get('attributes', []))
cls._is_modified = False # will be switched to True if either the name bases or attributes are changed
cls._is_renamed = False # will be switched to True if the name is changed
#cls.py_id = util.to_valid_identifier_name(cls.id) # not needed as an extra attribute, it's already the class identifier!
super(Entity, cls).__init__(name, bases, dct)
def __new__(mcs, *args, **kwargs):
"""
It's not very usual for __new__ to receive args and kwargs,
instead of the usual: mcs, name, bases, dct.
We need it here because we want to pass extra params, to
be picked up by __init__
"""
assert 'name' in kwargs
name = util.to_valid_identifier_name(
args[0] if len(args) > 0 else kwargs.get('name', None))
bases = args[1] if len(args) > 1 else kwargs.get('bases', tuple())
dct = args[2] if len(args) > 2 else kwargs.get('dct', {})
if len([b for b in bases if issubclass(b, Instance)]) == 0:
bases = (Instance, )
return super(Entity, mcs).__new__(mcs, name, bases, dct)
def __new__(mcs, *args, **kwargs):
"""
It's not very usual for __new__ to receive args and kwargs,
instead of the usual: mcs, name, bases, dct.
We need it here because we want to pass extra params, to
be picked up by __init__
"""
assert 'name' in kwargs
name = util.to_valid_identifier_name(
args[0] if len(args)>0 else kwargs.get('name', None)
)
bases = args[1] if len(args)>1 else kwargs.get('bases', tuple())
dct = args[2] if len(args)>2 else kwargs.get('dct', {})
if len([b for b in bases if issubclass(b,Instance)]) == 0:
bases = (Instance, )
return super(Entity, mcs).__new__(mcs, name, bases, dct)
def add_values(self, values_list):
"""
values_list: A list of tuples (attr_name, attr_value)
"""
for name, value in values_list:
py_identifier = util.to_valid_identifier_name(name)
self.attr_identifiers[name] = py_identifier
self.attr_orders[name] = max(self.attr_orders.values())+1 if len(self.attr_orders.values())>0 else 1
if not hasattr(self, py_identifier):
setattr(self, py_identifier, value)
else:
old_val = getattr(self, py_identifier)
if type(old_val)==list:
old_val.append(value)
setattr(self, py_identifier, old_val)
else:
setattr(self, py_identifier, [old_val, value])
def add_values(self, values_list):
"""
values_list: A list of tuples (attr_name, attr_value)
"""
for name, value in values_list:
py_identifier = util.to_valid_identifier_name(name)
self.attr_identifiers[name] = py_identifier
self.attr_orders[name] = max(self.attr_orders.values()) + 1 if len(
self.attr_orders.values()) > 0 else 1
if not hasattr(self, py_identifier):
setattr(self, py_identifier, value)
else:
old_val = getattr(self, py_identifier)
if type(old_val) == list:
old_val.append(value)
setattr(self, py_identifier, old_val)
else:
setattr(self, py_identifier, [old_val, value])
def _replace_name(cls, name):
cls.original_name = cls.name
cls.name = name
cls.__name__ = util.to_valid_identifier_name(cls.name)
cls._is_renamed = True
cls._is_modified = True
def _replace_name(cls, name):
cls.original_name = cls.name
cls.name = name
cls.__name__ = util.to_valid_identifier_name(cls.name)
cls._is_renamed = True
cls._is_modified = True
