def __init__(cls, clsname, bases, clsdict): # @UnusedVariable @NoSelf
ABCMeta.__init__(cls, clsname, bases, clsdict)
for k, f in clsdict.items():
is_normal_function = isinstance(f, FunctionType)
is_staticmethod = isinstance(f, staticmethod)
is_classmethod = isinstance(f, classmethod)
if not (is_normal_function or is_staticmethod or is_classmethod):
# print('skipping %s:%s, %s' % (clsname, k, f))
continue
if k == '__init__':
continue
# this_function = '%s:%s()' % (clsname, k) # @UnusedVariable
# print('considering %s' % this_function)
superclasses = cls.mro()[1:]
for b in superclasses:
if k in b.__dict__:
f0 = b.__dict__[k]
if is_function_or_static(f0):
if isinstance(f0, classmethod):
# print('found ancestor classmethod')
pass
elif isinstance(f0, staticmethod):
# print('found ancestor staticmethod')
pass
else:
assert isinstance(f0, FunctionType)
if '__contracts__' in f0.__dict__:
spec = f0.__contracts__
# msg = 'inherit contracts for %s:%s() from %s' % (clsname, k, b.__name__)
# print(msg)
# TODO: check that the contracts are a subtype
from contracts import ContractException
try:
from .main import contracts_decorate
f1 = contracts_decorate(f, **spec)
except ContractException as e:
from .utils import indent
msg = 'Error while applying ContractsMeta magic.\n'
msg += ' subclass: %s\n' % clsname
msg += ' base: %s\n' % b.__name__
msg += ' function: %s()\n' % k
msg += 'Exception:\n'
msg += indent(traceback.format_exc(), '| ') + '\n'
msg += '(most likely parameters names are different?)'
raise ContractException(msg)
setattr(cls, k, f1)
break
else:
pass
else:
# print(' X not found in %s' % b.__name__)
pass
else:
pass
def __init__(self, name, bases, d):
ABCMeta.__init__(self, name, bases, d)
required_attrs = {
'STAGES': list,
'STAGE_MODES': dict,
'STEPS_PER_STAGE': dict,
'INTER_STAGE_DEPENDENCIES': dict,
'INTRA_STAGE_DEPENDENCIES': dict,
'__type__': str
}
if '__abstract__' in vars(self):
if getattr(self, '__abstract__'):
return
for attr_name, attr_type in required_attrs.iteritems():
if not hasattr(self, attr_name):
raise AttributeError(
'Class "%s" must implement attribute "%s".' % (
self.__name__, attr_name
)
)
attr_val = getattr(self, attr_name)
if not isinstance(attr_val, attr_type):
raise TypeError(
'Attribute "%s" of class "%s" must have type %s.' % (
attr_name, self.__name__, attr_type.__name__
)
)
# TODO: check intra_stage_dependencies inter_stage_dependencies
# based on __dependencies__
_workflow_registry[getattr(self, '__type__')] = self
def decorator(clazz):
assert isclass(clazz), 'Invalid class %s' % clazz
calls = []
for name, function in clazz.__dict__.items():
if isfunction(function):
try: calls.append(function._ally_call)
except AttributeError: raise DevelError('No call for method at:\n%s' % locationStack(function))
del function._ally_call
services = [typeFor(base) for base in clazz.__bases__]
services = [typ.service for typ in services if isinstance(typ, TypeService)]
names = {call.name for call in calls}
for srv in services:
assert isinstance(srv, Service)
for name, call in srv.calls.items():
assert isinstance(call, Call)
if name not in names:
calls.append(processGenericCall(call, generic))
names.add(name)
service = Service(calls)
if type(clazz) != ABCMeta:
attributes = dict(clazz.__dict__)
attributes.pop('__dict__', None) # Removing __dict__ since is a reference to the old class dictionary.
attributes.pop('__weakref__', None)
clazz = ABCMeta(clazz.__name__, clazz.__bases__, attributes)
abstract = set(clazz.__abstractmethods__)
abstract.update(service.calls)
clazz.__abstractmethods__ = frozenset(abstract)
clazz._ally_type = TypeService(clazz, service)
# This specified the detected type for the model class by using 'typeFor'
return clazz
def __init__(cls, name, bases, d):
"""
This method is used to register the objects based on object type.
"""
if d and 'object_type' in d:
ObjectRegistry.registry[d['object_type']] = cls
ABCMeta.__init__(cls, name, bases, d)
def __init__(cls, name, bases, d):
# Register this type of driver, based on the module name
# Avoid registering the BaseDriver itself
if name != 'BaseDriver':
DriverRegistry.registry[_decorate_cls_name(d['__module__'])] = cls
ABCMeta.__init__(cls, name, bases, d)
def __init__(cls, name, bases, d):
# Register this type of module, based on the module name
# Avoid registering the BaseDriver itself
if name != 'BaseTestGenerator':
TestsGeneratorRegistry.registry[d['__module__']] = cls
ABCMeta.__init__(cls, name, bases, d)
def __init__(cls, name, bases, dct): # @NoSelf
ABCMeta.__init__(cls, name, bases, dct)
method2dec = {
'belongs': decorate_belongs,
}
if all_disabled():
# print('Removing extra checks on Spaces')
pass
else:
decorate_methods(cls, name, bases, dct, method2dec)
def __init__(cls, name, bases, dct):
ABCMeta.__init__(cls, name, bases, dct)
if not hasattr(cls, '_protocols'):
cls._protocols = {}
registry_keys = getattr(cls, 'PROTOCOLS', []) or []
if registry_keys:
for key in registry_keys:
if key in cls._protocols and cls.__name__ != cls._protocols[key].__name__:
logger.info("Ignoring attempt by class `{}` to register key '{}', which is already registered for class `{}`.".format(cls.__name__, key, cls._protocols[key].__name__))
else:
cls._protocols[key] = cls
def __instancecheck__(self, instance):
'''
@see: ABCMeta.__instancecheck__
'''
if ABCMeta.__instancecheck__(self, instance): return True
if self is not TypeSupport: return False
return isinstance(getattr(instance, '_ally_type', None), Type)
def __call__(cls, *args, **kwargs):
# type.__call__ calls instance.__init__ internally
try:
instance = ABCMeta.__call__(cls, *args, **kwargs)
except Exception as e:
# FIXME: What is the point of this long exception message?
# Why can't we just let the exception propagate up the stack?
# Is it because of some weird interaction between this metaclass and the Qt event loop?
# ....probably
err = "Could not create instance of '{}'\n".format(cls)
err += "args = {}\n".format(args)
err += "kwargs = {}\n".format(kwargs)
err += "The exception was:\n"
err += str(e)
err += "\nTraceback:\n"
import traceback
import sys
import io
if sys.version_info.major == 2:
s = io.BytesIO()
else:
s = io.StringIO()
traceback.print_exc(file=s)
err += s.getvalue()
raise RuntimeError(err)
instance._after_init()
return instance
def __instancecheck__(cls, instance):
if _has_concrete_method(cls, "__instancecheck__"):
return cls.__instancecheck__(instance)
else:
# If __instancheck__ NOT redefined
# OR if it is redefined, but as an abstractmethod
return ABCMeta.__instancecheck__(cls, instance)
def __new__(meta, classname, bases, classDict):
"""
Create new class and copy all docstrings from base classes.
"""
cls = ABCMeta.__new__(meta, classname, bases, classDict)
for name in classDict:
fn = classDict[name]
if type(fn) != FunctionType:
continue
docs = []
for base in cls.mro():
if not hasattr(base, name) or base is object:
continue
basefn = getattr(base, name)
basedoc = getdoc(basefn)
if basedoc:
docs.append((base, basedoc))
if len(docs) == 0:
doc = None
elif len(docs) == 1:
doc = docs[0][1]
else:
doc = ""
if docs[0][0] is cls:
doc += docs[0][1]
docs = docs[1:]
for d in docs:
doc += "\n\nOverrides %s.%s" % (d[0].__name__, name)
doc += d[1]
doc = doc.lstrip('\n')
cls.__dict__[name].__doc__ = doc
return cls
def __new__(mcls, name, bases, namespace):
def find_field_spec(namespace, bases):
"""Look for a _fields attribute in the namespace or one of the base
classes.
"""
field_spec = namespace.get('_fields')
for base in bases:
if field_spec is not None:
break
field_spec = getattr(base, '_fields', None)
return field_spec
def insert_namedtuple(name, bases, namespace):
"""Insert a namedtuple based on the given fields *after* the other
base classes, so that calls to its methods can be intercepted.
"""
field_names = list(namespace['_fields'])
basetuple = namedtuple('{}Fields'.format(name), field_names)
del basetuple._source # is no longer accurate
bases = bases + (basetuple,)
namespace.setdefault('__doc__', basetuple.__doc__)
namespace.setdefault('__slots__', ())
return bases
field_spec = find_field_spec(namespace, bases)
if not isinstance(field_spec, abstractproperty):
try:
namespace['_fields'] = OrderedDict(field_spec)
except ValueError:
namespace['_fields'] = OrderedDict(parse_fields(field_spec))
bases = insert_namedtuple(name, bases, namespace)
return ABCMeta.__new__(mcls, name, bases, namespace)
def __instancecheck__(self, instance):
'''
@see: ABCMeta.__instancecheck__
'''
if ABCMeta.__instancecheck__(self, instance): return True
if self is not MappedSupport: return False
return isinstance(getattr(instance, '__mapper__', None), Mapper)
def __new__(cls, cls_name, cls_parents, cls_dict):
src_cls = ABCMeta.__new__(cls, cls_name, cls_parents, cls_dict)
if cls_name.split('.')[-1] == 'NewBase':
return src_cls
is_abc = cls_dict.pop('__abstract__', False)
set_abstract(src_cls, is_abc)
cls_attr_names = [nm for nm in dir(src_cls) if not nm.startswith('__')]
cls_dict = dict([(name, getattr(src_cls, name)) for name in cls_attr_names])
if not is_abstract(src_cls):
cls.validate(src_cls)
source_attrs_dict = {}
for name, attr in cls_dict.items():
if isinstance(attr, AbstractAttr):
source_attrs_dict[name] = attr
src_cls.__attrs__ = source_attrs_dict
source_name = cls_dict.get('__sourcename__') or cls.get_source_name(src_cls)
src_cls.__sourcename__ = source_name
return src_cls
def instance(mcls):
try:
return mcls.__instance
except AttributeError:
cls = ABCMeta.__new__(mcls, 'namedtuple', (tuple,), {})
mcls.__instance = cls
return cls
def __new__(cls, name, bases, attrs):
# type: (Type[ManifestItemMeta], str, Tuple[ManifestItemMeta, ...], Dict[str, Any]) -> type
rv = ABCMeta.__new__(cls, name, bases, attrs)
if not isabstract(rv):
assert issubclass(rv, ManifestItem)
assert isinstance(rv.item_type, str)
item_types[rv.item_type] = rv
return rv
def __new__(mcls, name, bases, namespace, **kwargs):
def hot_patch(required, existing):
if required not in namespace and existing in namespace:
namespace[required] = namespace[existing]
hot_patch('__iter__', 'get_data')
hot_patch('__len__', 'size')
return ABCMeta.__new__(mcls, name, bases, namespace, **kwargs)
def __new__(mcs, name, bases, namespace):
cls = ABCMeta.__new__(mcs, name, bases, namespace)
# dereference to avoid infinite recursion if decorated smt2_encode
# is called via cls.smt2_encode
to_wrap = cls.smt2_encode
@wraps(to_wrap)
def __wrapper(encodable, encoder):
"Decorated smt2_encode"
return encoder.cached_encode(encodable, to_wrap)
cls.smt2_encode = __wrapper
return cls
def __new__(cls, name, supers, kwargs):
t = ABCMeta.__new__(cls, name, supers, {})
# Force __subclass__ to be a classmethod
# if not isinstance(t.__subclass__, classmethod):
# t.__subclass__ = classmethod(_im_func(t.__subclass__))
if '__subclass__' in kwargs:
sc = kwargs['__subclass__']
if not isinstance(sc, classmethod):
kwargs['__subclass__'] = classmethod(sc)
t.__subclass__(**kwargs)
return t
def __new__(cls, name, bases, attr):
""" Ensure that subclasses do not carry over previous checks.
If you import multiple modules in which MonitorDispatcher is subclassed,
all checks are saved in the global MonitorDispatcher class.
"""
subclass = ABCMeta.__new__(cls, name, bases, attr)
subclass.checks = [
check for check in subclass.checks if check in attr.values()
]
return subclass
def __new__(metacls, name, bases, namespace, **kwds):
result = ABCMeta.__new__(metacls, name, bases, dict(namespace))
NAME = result.NAME
DESCRIPTION = result.DESCRIPTION
if NAME and DESCRIPTION:
result.__call__ = log_before_after(NAME, DESCRIPTION)(
to_step_result(result.__call__)
)
else:
result.__call__ = to_step_result(result.__call__)
return result
def __new__(mcls, name, bases, namespace):
fields = namespace.get('_fields')
for base in bases:
if fields is not None:
break
fields = getattr(base, '_fields', None)
if not isinstance(fields, abstractproperty):
basetuple = _namedtuple(name, fields)
bases = (basetuple,) + bases
namespace.pop('_fields', None)
namespace.setdefault('__doc__', basetuple.__doc__)
namespace.setdefault('__slots__', ())
return ABCMeta.__new__(mcls, name, bases, namespace)
def __init__(cls, name, bases, dictionary): # @NoSelf
if not name.endswith("Base"):
assert "kind" in dictionary, name
kind = dictionary["kind"]
assert type(kind) is str, name
assert kind not in NodeCheckMetaClass.kinds, name
NodeCheckMetaClass.kinds[kind] = cls
NodeCheckMetaClass.kinds[name] = cls
def convert(value):
if value in ("AND", "OR", "NOT"):
return value
else:
return value.title()
kind_to_name_part = "".join([convert(x) for x in kind.split("_")])
assert name.endswith(kind_to_name_part), (name, kind_to_name_part)
# Automatically add checker methods for everything to the common
# base class
checker_method = "is" + kind_to_name_part
# TODO: How about making these two functions, one to statically
# return True and False, and put one in the base class, and one
# in the new class, would be slightly faster.
def checkKind(self):
return self.kind == kind
# Add automatic checker methods to the node base class.
from .NodeBases import NodeBase
if not hasattr(NodeBase, checker_method):
setattr(NodeBase, checker_method, checkKind)
ABCMeta.__init__(cls, name, bases, dictionary)
def __call__(cls, *args, **kwargs):
"""Create a new class ``cls`` from given arguments."""
obj = ABCMeta.__call__(cls, *args, **kwargs)
if not hasattr(obj, 'domain'):
raise NotImplementedError('`Operator` instances must have a '
'`Operator.domain` attribute.')
if not hasattr(obj, 'range'):
raise NotImplementedError('`Operator` instances must have a '
'`Operator.range` attribute.')
if not hasattr(obj, '_call') and not hasattr(obj, '_apply'):
raise NotImplementedError('`Operator` instances must either '
'have `_call` or `_apply` as '
'attribute.')
return obj
def __new__(cls, name, bases, dictionary): # pylint: disable=I0021,arguments-differ
_checkBases(name, bases)
if "__slots__" not in dictionary:
dictionary["__slots__"] = ()
if "named_child" in dictionary:
dictionary["__slots__"] += (intern("subnode_" + dictionary["named_child"]),)
# Not a method:
if "checker" in dictionary:
dictionary["checker"] = staticmethod(dictionary["checker"])
# false alarm, pylint: disable=I0021,too-many-function-args
return ABCMeta.__new__(cls, name, bases, dictionary)
def __new__(metacls, name, bases, dct):
schema_attrs = metacls._get_schema_attributes(
name=name,
bases=bases,
dct=dct
)
dct.update(schema_attrs)
cls = ABCMeta.__new__(metacls, name, bases, dct)
# allow self-references etc.
for field_name, field in cls._fields.iteritems():
field.set_parent(cls)
if metacls.auto_register:
auto_store.add_record(cls, _bump_stack_level=True)
return cls
class ParsedMovie(ABCMeta(str('ParsedMovieABCMeta'), (ParsedVideo,), {})):
@property
def parsed_name(self):
return self.title
@property
def type(self):
return 'movie'
@property
def title(self):
raise NotImplementedError
@property
def is_movie(self):
return True
def __new__(cls, name, bases, dictionary): # pylint: disable=I0021,arguments-differ
_checkBases(name, bases)
if "__slots__" not in dictionary:
dictionary["__slots__"] = ()
if "named_child" in dictionary:
dictionary["__slots__"] += (intern("subnode_" +
dictionary["named_child"]), )
# Not a method:
if "checker" in dictionary:
dictionary["checker"] = staticmethod(dictionary["checker"])
# false alarm, pylint: disable=I0021,too-many-function-args
return ABCMeta.__new__(cls, name, bases, dictionary)
def test_cachedmethod_maintains_func_abstraction():
ABC = ABCMeta('ABC', (object,), {})
class Car(ABC):
def __init__(self, cache=None):
self.h_cache = LRI() if cache is None else cache
self.hand_count = 0
@cachedmethod('h_cache')
@abstractmethod
def hand(self, *a, **kw):
self.hand_count += 1
with pytest.raises(TypeError):
Car()
def __new__(metacls, name, bases, dct):
schema_attrs = metacls._get_schema_attributes(
name=name,
bases=bases,
dct=dct
)
dct.update(schema_attrs)
cls = ABCMeta.__new__(metacls, name, bases, dct)
# allow self-references etc.
for field_name, field in cls._fields.iteritems():
field.set_parent(cls)
if metacls.auto_register:
auto_store.add_record(cls, _bump_stack_level=True)
return cls
def __new__(meta, name, bases, clsdict):
if not('__doc__' in clsdict and clsdict['__doc__']):
for mro_cls in (mro_cls for base in bases for mro_cls in base.mro()):
doc = mro_cls.__doc__
if doc:
clsdict['__doc__'] = doc
break
for attr, attribute in clsdict.items():
if not attribute.__doc__:
for mro_cls in (mro_cls for base in bases for mro_cls in base.mro()
if hasattr(mro_cls, attr)):
doc=getattr(getattr(mro_cls, attr), '__doc__')
if doc:
attribute.__doc__ = doc
break
return ABCMeta.__new__(meta, name, bases, clsdict)
def __new__(mcs, name, bases, attrs, **kwargs):
# Prepare __slots__
attrs["__slots__"]=[]
# If some parameters are defined
if "__ATTRIBUTES__" in attrs.keys():
for parameter in attrs["__ATTRIBUTES__"]:
# Create a slot for each
attrs["__slots__"].append("_"+parameter.id)
# And create a descriptor class to handle their
# get/set/default/doc based on parameter description
class Descriptor(object):
__doc__ ="""%s
Default: %s
"""%(parameter.description,\
str(parameter.default) if parameter.default != "" else "\"\"")
__slots__ = ["_parameter"]
def __init__(self, parameter):
self._parameter = parameter
def __get__(self, instance, owner):
if instance is not None:
try:
return getattr(instance, "_"+self._parameter.id)
except AttributeError:
setattr(instance, "_"+self._parameter.id, self._parameter.normalizer(self._parameter.default))
return getattr(instance, "_"+self._parameter.id)
else:
return self._parameter
def __set__(self, instance, value):
new_value = value if value is not None and value != "" else self._parameter.default
new_value = self._parameter.normalizer(new_value)
return setattr(instance, "_"+self._parameter.id, new_value)
def __delete__(self, instance):
return setattr(instance, "_"+self._parameter.id, self._parameter.normalizer(self._parameter.default))
attrs[parameter.id] = Descriptor(parameter)
return ABCMeta.__new__(mcs, name, bases, attrs)
def schema_constructor(self, atomic_type, bp=90):
"""Registers a token class for a schema atomic type constructor function."""
if atomic_type in {XSD_ANY_ATOMIC_TYPE, XSD_NOTATION}:
raise xpath_error('XPST0080')
def nud_(self_):
self_.parser.advance('(')
self_[0:] = self_.parser.expression(5),
self_.parser.advance(')')
try:
self_.value = self_.evaluate() # Static context evaluation
except MissingContextError:
self_.value = None
return self_
def evaluate_(self_, context=None):
arg = self_.get_argument(context)
if arg is None:
return []
value = self_.string_value(arg)
try:
return self_.parser.schema.cast_as(value, atomic_type)
except (TypeError, ValueError) as err:
raise self_.error('FORG0001', err)
symbol = get_prefixed_name(atomic_type, self.namespaces)
token_class_name = str("_%s_constructor_token" %
symbol.replace(':', '_'))
kwargs = {
'symbol': symbol,
'label': 'constructor function',
'pattern': r'\b%s(?=\s*\(|\s*\(\:.*\:\)\()' % symbol,
'lbp': bp,
'rbp': bp,
'nud': nud_,
'evaluate': evaluate_,
'__module__': self.__module__,
'__qualname__': token_class_name,
'__return__': None
}
token_class = ABCMeta(token_class_name, (self.token_base_class, ),
kwargs)
MutableSequence.register(token_class)
self.symbol_table[symbol] = token_class
return token_class
class six(object):
"""
A light-weight version of six (which works on IronPython)
"""
PY3 = sys.version_info[0] >= 3
ABC = ABCMeta('ABC', (object,), {'__module__':__name__, '__slots__':()})
# Be sure to use named-tuple access, so that usage is not affected
try:
getfullargspec = staticmethod(inspect.getfullargspec)
except AttributeError:
getfullargspec = staticmethod(inspect.getargspec) # extra fields will not be available
if PY3:
integer_types = (int,)
string_types = (str,)
MAXSIZE = sys.maxsize
ascii = ascii # @UndefinedVariable
bytes = bytes # @ReservedAssignment
unicode_type = str
@staticmethod
def b(s):
return s.encode("latin-1", "replace")
@staticmethod
def u(s):
return s
@staticmethod
def get_method_function(m):
return m.__func__
else:
integer_types = (int, long)
string_types = (str, unicode)
MAXSIZE = getattr(sys, "maxsize", sys.maxint)
ascii = repr # @ReservedAssignment
bytes = str # @ReservedAssignment
unicode_type = unicode
@staticmethod
def b(st):
return st
@staticmethod
def u(s):
return s.decode("unicode-escape")
@staticmethod
def get_method_function(m):
return m.im_func
def __new__(cls, name, bases, attrs):
klass = ABCMeta.__new__(cls, name, bases, dict(attrs))
if isinstance(attrs.get('messages'), FieldErrorMessages):
klass.messages = attrs.get('messages')
else:
klass.messages = FieldErrorMessages(**attrs.get('messages', {}))
if getattr(klass, 'new', None):
constructor = klass.__init__
new_constructor = klass.new
def field_init(self, *args, **kwargs):
constructor(self, *args, **kwargs)
new_constructor(self, *args, **kwargs)
klass.__init__ = field_init
delattr(klass, 'new')
return klass
def __new__(mcs, *args, **kwargs):
result = ABCMeta.__new__(mcs, *args, **kwargs)
if result.required_extras is not None:
result.__init__ = requires(result.required_extras)(result.__init__)
patterns = ["load_from_checkpoint",
"available_*"] # must match classmethods only
regex = "(" + ")|(".join(patterns) + ")"
for attribute_name, attribute_value in filter(
lambda x: re.match(regex, x[0]),
inspect.getmembers(result)):
setattr(
result, attribute_name,
classmethod(
requires(result.required_extras)(
attribute_value.__func__)))
return result
def __new__(cls, name, bases, attrs):
klass = ABCMeta.__new__(cls, name, bases, dict(attrs))
if isinstance(attrs.get('messages'), FieldErrorMessages):
klass.messages = attrs.get('messages')
else:
klass.messages = FieldErrorMessages(**attrs.get('messages', {}))
if getattr(klass, 'new', None):
constructor = klass.__init__
new_constructor = klass.new
def field_init(self, *args, **kwargs):
constructor(self, *args, **kwargs)
new_constructor(self, *args, **kwargs)
klass.__init__ = field_init
delattr(klass, 'new')
return klass
def __new__(mcs, name, bases, namespace, **kwargs):
from aiida.plugins.entry_point import get_entry_point_from_class
newcls = ABCMeta.__new__(mcs, name, bases, namespace, **kwargs) # pylint: disable=too-many-function-args
entry_point_group, entry_point = get_entry_point_from_class(
namespace['__module__'], name)
if entry_point_group is None or entry_point_group != 'aiida.groups':
newcls._type_string = None
message = 'no registered entry point for `{}` so its instances will not be storable.'.format(
name)
warnings.warn(message) # pylint: disable=no-member
else:
newcls._type_string = entry_point.name # pylint: disable=protected-access
return newcls
def __new__(
mcls, name, bases,
namespace): # When a new class is created, that has this metaclass
missingMethods = [] # Hold all methods missing
wrongSignature = [] # Hold all methods having wrong signature
if not name in ['MaskingObject', 'MultiMask'
]: # If MaskingObject, then just continue
if not '__call__' in namespace: # Check if __call__ exists
missingMethods.append('__call__')
if namespace['dimensionality'] == '2D' or namespace[
'dimensionality'] == '3D':
if 'plot' in namespace: # Check if plot has the right signature
callFunction = namespace['plot']
requiredNames = ['ax', 'transformation']
notInSignature = requiredArguments(callFunction,
requiredNames)
if len(notInSignature) > 0:
wrongSignature.append(
['plot', requiredNames, notInSignature])
else:
missingMethods.append('plot')
# Write error report
ErrorMessage = []
if len(missingMethods) > 0:
ErrorMessage.append(
"Can't instantiate abstract class {} with abstract methods\n"
.format(name) + ', '.join(missingMethods))
for entry in wrongSignature:
methodName = entry[0]
requiredNames = entry[1]
notInSignature = entry[2]
ErrorMessage.append(
'The "{}" method on "{}" must have all of the following arguments in call signature [{}]. Following are missing: [{}]'
.format(methodName, name, ', '.join(requiredNames),
', '.join(notInSignature)))
if len(ErrorMessage) > 0:
raise TypeError('\n'.join(ErrorMessage))
return ABCMeta.__new__(mcls, name, bases, namespace)
class six(object):
"""
A light-weight version of six (which works on IronPython)
"""
PY3 = sys.version_info[0] >= 3
ABC = ABCMeta('ABC', (object, ), {'__module__': __name__})
if PY3:
integer_types = (int, )
string_types = (str, )
MAXSIZE = sys.maxsize
ascii = ascii # @UndefinedVariable
bytes = bytes # @ReservedAssignment
unicode_type = str
@staticmethod
def b(s):
return s.encode("latin-1", "replace")
@staticmethod
def u(s):
return s
@staticmethod
def get_method_function(m):
return m.__func__
else:
integer_types = (int, long)
string_types = (str, unicode)
MAXSIZE = getattr(sys, "maxsize", sys.maxint)
ascii = repr # @ReservedAssignment
bytes = str # @ReservedAssignment
unicode_type = unicode
@staticmethod
def b(st):
return st
@staticmethod
def u(s):
return s.decode("unicode-escape")
@staticmethod
def get_method_function(m):
return m.im_func
def __new__(cls, name, bases, dictionary):
# This is in conflict with either PyDev or Pylint, pylint: disable=C0204
assert len(bases) == len(set(bases)), bases
last_mixin = None
for base in bases:
base_name = base.__name__
is_mixin = base_name.endswith("Mixin")
if is_mixin and last_mixin is False:
assert False, (name, bases)
last_mixin = is_mixin
if "__slots__" not in dictionary:
dictionary["__slots__"] = ()
return ABCMeta.__new__(cls, name, bases, dictionary)
def __new__(meta, name, bases, clsdict):
if not ('__doc__' in clsdict and clsdict['__doc__']):
for mro_cls in (mro_cls for base in bases
for mro_cls in base.mro()):
doc = mro_cls.__doc__
if doc:
clsdict['__doc__'] = doc
break
for attr, attribute in clsdict.items():
if not attribute.__doc__:
for mro_cls in (mro_cls for base in bases
for mro_cls in base.mro()
if hasattr(mro_cls, attr)):
doc = getattr(getattr(mro_cls, attr), '__doc__')
if doc:
attribute.__doc__ = doc
break
return ABCMeta.__new__(meta, name, bases, clsdict)
def __new__(
cls: Type["GameObject"],
clsname: str,
bases: Tuple[Type["GameObject"], ...],
namespace: Dict[str, Any],
) -> "GameObjectMeta":
# Events and handlers
event_handlers: Dict[str, OrderedSet] = defaultdict(OrderedSet)
if clsname != "GameObject":
for base in bases:
for eventName, handlers in base.__handlers__.items():
event_handlers[eventName] |= handlers
for name, value in namespace.items():
if isinstance(value, Event):
if value.name is None:
value.name = name
event_handlers[name] = OrderedSet([])
to_delete: List[Callable] = []
for name, value in namespace.items():
if hasattr(value, "__target__"):
if value.__target__ in event_handlers:
event_handlers[value.__target__].add(value)
else:
raise NameError(f"Unknown event: {value.__target__}")
for name in to_delete:
del namespace[name]
# Attributes
for name, value in namespace.items():
if isinstance(value, Attribute):
if value.name is None:
value.name = name
new_cls = ABCMeta.__new__(cls, clsname, bases, namespace)
new_cls.__handlers__ = dict(event_handlers)
return new_cls
def __new__(mcs: Type[TT], *args: Any, **kwargs: Any) -> TT:
try:
class_annotations = args[2]["__annotations__"]
except KeyError:
class_annotations = None
annotations_mention_id = False
else:
try:
class_annotations.pop("id")
except KeyError:
annotations_mention_id = False
else:
annotations_mention_id = True
cls = ABCMeta.__new__(mcs, *args)
if class_annotations:
cls = dataclass(eq=False, repr=False)(cls)
if annotations_mention_id:
_annotations_mention_id.add(cls)
return cls
def __call__(cls, *args, **kwargs):
# type.__call__ calls instance.__init__ internally
try:
instance = ABCMeta.__call__(cls, *args, **kwargs)
except Exception as e:
err = "Could not create instance of '{}'\n".format(cls)
err += "args = {}\n".format(args)
err += "kwargs = {}\n".format(kwargs)
err += "The exception was:\n"
err += str(e)
err += "\nTraceback:\n"
import traceback
import StringIO
s = StringIO.StringIO()
traceback.print_exc(file=s)
err += s.getvalue()
raise RuntimeError(err)
instance._after_init()
return instance
class ParsedVideoQuality(
ABCMeta(native_str('ParsedVideoQualityABCMeta'), (object, ), {})):
@abstractproperty
def screen_size(self):
raise NotImplementedError
@abstractproperty
def source(self):
raise NotImplementedError
@abstractproperty
def format(self):
raise NotImplementedError
@abstractproperty
def video_codec(self):
raise NotImplementedError
@abstractproperty
def video_profile(self):
raise NotImplementedError
@abstractproperty
def audio_codec(self):
raise NotImplementedError
@abstractproperty
def audio_profile(self):
raise NotImplementedError
@abstractproperty
def audio_channels(self):
raise NotImplementedError
@abstractmethod
def to_old_quality(self, assumed_quality=None):
raise NotImplementedError
def __str__(self):
return "<%s(screen_size=%s,source=%s,video_codec=%s,audio_channels=%s)>" % (
self.__class__.__name__, self.screen_size, self.source,
self.video_codec, self.audio_channels)
def __new__(cls, name, bases, attrs):
cls, name, bases, attrs = cls.prepare_class(cls, name, bases, attrs)
klass = ABCMeta.__new__(cls, name, bases, dict(attrs))
klass._fields = {}
klass._tags = {}
klass._subschemas = {}
klass._pending_schemas = {}
klass._load_keys = {}
klass._schema_callables = SchemaCallableObject()
klass._field_callables = FieldCallableObject()
klass._config = DEFAULT_SCHEMA_OPTIONS
klass.handle_bases(bases)
klass.handle_poly(cls, name, bases, attrs)
klass.handle_config()
klass.handle_tags()
klass.find_fields()
klass.process_fields()
klass._schema_callables.find(klass)
klass._field_callables.find(klass)
return klass
class MessageSink(ABCMeta('ABCMeta', (object, ), {})):
"""A base class for all message sinks.
MessageSinks form a cooperative linked list, which each sink calling the
next sink in the chain once it's processing is complete.
"""
__slots__ = '_next',
def __init__(self):
super(MessageSink, self).__init__()
self._next = None
@property
def next_sink(self):
"""The next sink in the chain."""
return self._next
@next_sink.setter
def next_sink(self, value):
self._next = value
class Item(ABCMeta('ABC', (object, ), {'__slots__': ()})):
def __init__(self, x, y):
self.x = x
self.y = y
self.active = True
self.id = id(self)
self.name = self.__class__.__name__
self.logic_attribute_name_list = [
'logic_attribute_name_list', 'name', 'id', 'x', 'y', 'alive'
]
def __getstate__(self):
state = self.__dict__.copy()
newstate = {k: state[k] for k in self.logic_attribute_name_list}
return newstate
def __setstate__(self, state):
self.__dict__.update(state)
@abstractmethod
def use(self, benefitor):
pass
def __new__(cls, name, bases, dictionary): # pylint: disable=I0021,arguments-differ
_checkBases(name, bases)
if "__slots__" not in dictionary:
dictionary["__slots__"] = ()
if "named_child" in dictionary:
dictionary["__slots__"] += (intern("subnode_" +
dictionary["named_child"]), )
if "named_children" in dictionary and not name.endswith("Base"):
if len(dictionary["named_children"]) <= 1:
raise NuitkaNodeDesignError(
name,
"Use ExpressionChildHaving for one child node classes")
# Not a method:
if "checker" in dictionary:
dictionary["checker"] = staticmethod(dictionary["checker"])
# false alarm, pylint: disable=I0021,too-many-function-args
return ABCMeta.__new__(cls, name, bases, dictionary)
def __new__(mcls, name, bases, dct):
base_types = [b for b in bases if isinstance(b, Context)]
if len(base_types) > 1:
raise TypeError(
"Cannot resolve inheritance of multiple context types")
elif len(base_types) == 1:
parent = base_types[0]
base_type = parent.base_type
base_context = parent._context
instances = parent._instances
else:
# This is for a base context type.
base_type = None
base_context = None
instances = []
dct = mcls.__new_init(dct)
cls = ABCMeta.__new__(mcls, name, bases, dct)
cls._instances = instances
cls.base_type = base_type
cls._context = base_context
return cls
def __new__(metacls, classname, bases, classdict):
# default attributes, irrespective of inheritance
classdict.setdefault("exclude_index", False)
# unite "exclude_params_*" sets with those of all base classes
for base in bases:
for attr, base_params in vars(base).items():
if attr.startswith("exclude_params_") and isinstance(
base_params, set):
params = classdict.setdefault(attr, set())
if isinstance(params, set):
params.update(base_params)
# remove those parameter names from "exclude_params_*" sets which are explicitly
# listed in corresponding "include_params_*" sets defined on the class itself
for attr, include_params in classdict.items():
if attr.startswith("include_params_") and isinstance(
include_params, set):
exclude_attr = "exclude" + attr[len("include"):]
if exclude_attr in classdict and isinstance(
classdict[exclude_attr], set):
classdict[exclude_attr] -= include_params
# create the class
cls = ABCMeta.__new__(metacls, classname, bases, classdict)
# default attributes, apart from inheritance
if getattr(cls, "update_register", None) is None:
cls.update_register = False
# deregister when requested
if cls.update_register:
cls.deregister()
# add to register (mimic luigi.task_register.Register.__new__)
cls._namespace_at_class_time = metacls._get_namespace(cls.__module__)
metacls._reg.append(cls)
return cls
def __new__(cls, name, bases, namespace, **kwds):
props = {}
if name == 'VertexProperty':
element_type = name.lower()
elif bases:
element_type = bases[0].__type__
if element_type not in ['vertex', 'edge']:
element_type = bases[0].__name__.lower()
for base in bases:
base_props = getattr(base, '__properties__', {})
props.update(base_props)
else:
element_type = name.lower()
namespace['__type__'] = element_type
if not namespace.get('__label__', None):
namespace['__label__'] = inflection.underscore(name)
new_namespace = {}
props.pop('id', None)
for k, v in namespace.items():
if isinstance(v, abc.BaseProperty):
if element_type == 'edge' and hasattr(v, 'cardinality'):
raise exception.MappingError(
'Edge property cannot have set/list cardinality')
props[k] = v
if k != 'id':
if not v.db_name:
v.db_name = v.db_name_factory(k,
namespace['__label__'])
v = v.__descriptor__(k, v)
new_namespace[k] = v
new_namespace['__mapping__'] = mapper.create_mapping(namespace, props)
new_namespace['__properties__'] = props
new_namespace['__immutable__'] = namespace.get('__immutable__',
ImmutableMode.OFF)
new_namespace['__locking__'] = namespace.get('__locking__',
LockingMode.OFF)
result = ABCMeta.__new__(cls, name, bases, new_namespace)
return result
def __call__(cls, *args, **kwargs):
# type.__call__ calls instance.__init__ internally
try:
instance = ABCMeta.__call__(cls, *args, **kwargs)
except Exception as e:
# FIXME: What is the point of this long exception message?
# Why can't we just let the exception propagate up the stack?
# Is it because of some weird interaction between this metaclass and the Qt event loop?
# ....probably
err = "Could not create instance of '{}'\n".format(cls)
err += "args = {}\n".format(args)
err += "kwargs = {}\n".format(kwargs)
err += "The exception was:\n"
err += str(e)
err += "\nTraceback:\n"
import traceback
import StringIO
s = StringIO.StringIO()
traceback.print_exc(file=s)
err += s.getvalue()
raise RuntimeError(err)
instance._after_init()
return instance
def processAsService(clazz, service):
'''
Processes the provided class as a service.
@param clazz: class
The class to be processed.
@param service: TypeService
The service to process with.
@return: class
The processed class.
'''
assert isclass(clazz), 'Invalid class %s' % clazz
assert isinstance(service, TypeService), 'Invalid service %s' % service
if type(clazz) != ABCMeta:
attributes = dict(clazz.__dict__)
attributes.pop(
'__dict__', None
) # Removing __dict__ since is a reference to the old class dictionary.
attributes.pop('__weakref__', None)
clazz = service.clazz = ABCMeta(clazz.__name__, clazz.__bases__,
attributes)
abstract = set(clazz.__abstractmethods__)
abstract.update(service.calls)
clazz.__abstractmethods__ = frozenset(abstract)
for name, callType in service.calls.items():
callAPI = CallAPI(callType)
callAPI.__isabstractmethod__ = True # Flag that notifies the ABCMeta that is is an actual abstract method.
# We provide the original function code and name.
callAPI.__code__ = getattr(clazz, name).__code__
callAPI.__name__ = getattr(clazz, name).__name__
updateWrapper(callAPI, getattr(clazz, name))
setattr(clazz, name, callAPI)
return clazz
# For the licensing terms see $ROOTSYS/LICENSE. #
# For the list of contributors see $ROOTSYS/README/CREDITS. #
################################################################################
import functools
from abc import ABCMeta
from abc import abstractmethod
import ROOT
from DistRDF.Backends import Utils
from DistRDF.HeadNode import TreeHeadNode
# Abstract class declaration
# This ensures compatibility between Python 2 and 3 versions, since in
# Python 2 there is no ABC class
ABC = ABCMeta("ABC", (object, ), {})
class BaseBackend(ABC):
"""
Base class for RDataFrame distributed backends.
Attributes:
supported_operations (list): List of operations supported by the
backend.
initialization (function): Store user's initialization method, if
defined.
headers (list): List of headers that need to be declared for the
analysis.
shared_libraries (list): List of shared libraries needed for the
analysis.
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""Default ProgressBar widgets."""
from __future__ import division
import datetime
import math
try:
from abc import ABCMeta, abstractmethod
except ImportError:
AbstractWidget = object
abstractmethod = lambda fn: fn
else:
AbstractWidget = ABCMeta('AbstractWidget', (object, ), {})
def format_updatable(updatable, pbar):
if hasattr(updatable, 'update'): return updatable.update(pbar)
else: return updatable
class Widget(AbstractWidget):
"""The base class for all widgets.
The ProgressBar will call the widget's update value when the widget should
be updated. The widget's size may change between calls, but the widget may
display incorrectly if the size changes drastically and repeatedly.
The boolean TIME_SENSITIVE informs the ProgressBar that it should be
PY2 = sys.version_info[0] == 2
if not PY2: # pragma: no cover
from abc import ABC
text_type = str
string_types = (str, )
integer_types = (int, )
intern_method = sys.intern
range_method = range
iterkeys = lambda d: iter(d.keys())
itervalues = lambda d: iter(d.values())
iteritems = lambda d: iter(d.items())
else: # pragma: no cover
from abc import ABCMeta
ABC = ABCMeta('ABC', (object, ), {})
text_type = unicode
string_types = (str, unicode)
integer_types = (int, long)
intern_method = intern
range_method = xrange
iterkeys = lambda d: d.iterkeys()
itervalues = lambda d: d.itervalues()
iteritems = lambda d: d.iteritems()
def to_bytes(text, encoding='utf-8'):
"""Transform string to bytes."""
if isinstance(text, text_type):
text = text.encode(encoding)
return text
def __subclasscheck__(cls, subclass):
try:
return ABCMeta.__subclasscheck__(cls, subclass)
except TypeError:
return False
