def __init__(self, *argv, **argd):
self.inbound = _deque()
self.F_inbound = _deque()
self.core = _deque()
self._actor_logger = logging.getLogger(
'%s.%s' % (self.__module__, self.__class__.__name__))
super(ActorMixin, self).__init__(*argv, **argd)
def __init__(self, flags=0, *, loop=None, maxsize=0):
self._loop = loop or _asyncio.get_event_loop()
self._maxsize = maxsize
self._inotify = inotify = _Inotify()
self._getters = _deque()
self._events = _deque()
def __init__(self, flags=_FAN_CLASS_NOTIF, event_flags=_O_RDONLY, *, loop=None, maxsize=0):
self._loop = loop or _asyncio.get_event_loop()
self._maxsize = maxsize
self._fanotify = fanotify = _Fanotify(flags, event_flags)
self._getters = _deque()
self._events = _deque()
def solve(head):
# simple return cases
if head and head.next:
deque = _deque()
deque.append(head)
deque.append(head.next)
head = head.next
else:
return head
while len(deque) >= 2:
# swap the latest pair's pointer
deque[-2].next, deque[-1].next = deque[-1].next, deque[-2]
# swap them in the deque so they make sequential sense
deque[-1], deque[-2] = deque[-2], deque[-1]
# update the rightmost of the previous pair as it's neighbor changed
if len(deque) > 2:
deque[-3].next = deque[-2]
# the leftmost element is now totally complete, so we pop it
deque.popleft()
# enqueue iff another non-null pair to swap is possible
if deque[-1].next and deque[-1].next.next:
deque.append(deque[-1].next)
deque.append(deque[-1].next)
else:
break
return head
def mackey_glass(T, N, tau=17, n=10, beta=0.2, gamma=0.1, dt=10, mila=False):
'''Returns `N` different Mackey Glass time-series of length `T` with delay `tau`.
`tau` is the delay of the system, higher values being more chaotic.
The values are centered and squashed through a tanh.
dx/dt = beta * x_tau / (1 + x_tau ^ n) - gamma * x
with x_tau = x(t - tau)
The return shape is (N, T, 1).
Origin of this function: https://github.com/mila-udem/summerschool2015
but modified a slight bit (unless `mila` is True).
'''
X = np.empty((N, T, 1), floatX)
x = 1.2 # Initial conditions for the history of the system
for i in range(N):
# Note that this is slightly different than the MILA one.
# They didn't re-init x to 1.2 for each i, instead re-using the last
# one from the previous i, all the while re-initializing the history.
# I think what they do is wrong, but probably doesn't matter much.
history = _deque((1.2 if mila else x) + beta * (np.random.rand(tau * dt) - 0.5))
# TODO: Is x above really x or just 1.2 which they used in MILA one?
# TODO: 0.5 above must be constructed from others in some way?
for t in range(T):
for _ in range(dt):
# xtau is the value at the last timestep, dt ago.
xtau = history.popleft()
history.append(x)
x += (beta * xtau / (1.0 + xtau**n) - gamma*x) / dt
X[i,t,0] = x
# Squash timeseries through tanh
return np.tanh(X - 1)
def __init__(self, limit):
_Verbose.__init__(self)
self.mon = RLock()
self.rc = Condition(self.mon)
self.wc = Condition(self.mon)
self.limit = limit
self.queue = _deque()
def __delitem__(self, key):
super(CircularOnlineFlow, self).__delitem__(key)
self.flow = _deque(self.flow)
if (key.start < self.output_node_idx) and (self.output_node_idx < key.stop()):
print('Output node deleted! Resetting the output node to the default last node.')
self.reset_output_node()
elif self.output_node_idx > key.stop():
self.set_output_node(self.output_node_idx - key.stop + key.start)
def __init__(self, signals=[], flags=0, *, loop=None):
self._loop = loop or _asyncio.get_event_loop()
self._signalfd = _Signalfd(signals, flags)
self._getters = _deque()
self.enable = self._signalfd.enable
self.enable_all = self._signalfd.enable_all
self.disable = self._signalfd.disable
self.disable_all = self._signalfd.disable_all
def retrive_rds_engines(parameter_pool):
engine_versions = retrive_rds_engine_versions(parameter_pool)
db_engines = _deque()
for engine_version in engine_versions:
if engine_version.engine not in db_engines:
db_engines.append(engine_version.engine)
return list(db_engines)
def breadth( iterable, testFn=isIterable, limit=sys.getrecursionlimit()):
""" iterator doing a breadth first expansion of args """
deq = _deque((x,0) for x in iterable)
while deq :
arg, level = deq.popleft()
if testFn(arg) and level<limit :
for a in arg :
deq.append ((a, level+1))
else :
yield arg
def __init__(self, clock_type=_CLOCK_REALTIME, flags=0, *, loop=None):
self._loop = loop or _asyncio.get_event_loop()
self._timerfd = _Timer(clock_type, flags)
self._getters = _deque()
self.set_one_off = self._timerfd.set_one_off
self.set_reoccuring = self._timerfd.set_reoccuring
self.enabled = self._timerfd.__class__.__dict__['enabled']
self.disabled = self._timerfd.__class__.__dict__['disabled']
self.disable = self._timerfd.disable
self.get_current = self._timerfd.get_current
def preorderArgs (limit=sys.getrecursionlimit(), testFn=isIterable, *args) :
""" returns a list of a preorder expansion of args """
stack = [(x,0) for x in args]
result = _deque()
while stack :
arg, level = stack.pop()
if testFn(arg) and level<limit :
stack += [(x,level+1) for x in arg]
else :
result.appendleft(arg)
return tuple(result)
def breadthArgs (limit=sys.getrecursionlimit(), testFn=isIterable, *args) :
""" returns a list of a breadth first expansion of args """
deq = _deque((x,0) for x in args)
result = []
while deq :
arg, level = deq.popleft()
if testFn(arg) and level<limit :
for a in arg :
deq.append ((a, level+1))
else :
result.append(arg)
return tuple(result)
def retrive_rds_default_engine_versions(parameter_pool):
db_engines = retrive_rds_engines(parameter_pool)
rds_client = create_rds_client(parameter_pool)
db_default_versions = _deque()
for engine in db_engines:
response = rds_client.describe_db_engine_versions(engine = engine,
default_only = u'true')
log.info(u'Received response for DescribeDBEngineVersions call.')
log_response(u'DescribeDBEngineVersions', response.result)
db_default_versions.append(response.result[0])
return list(db_default_versions)
def postorderArgs (limit=sys.getrecursionlimit(), testFn=isIterable, *args) :
""" returns a list of a postorder expansion of args """
if len(args) == 1:
return (args[0],)
else:
deq = _deque((x,0) for x in args)
stack = []
result = []
while deq :
arg, level = deq.popleft()
if testFn(arg) and level<limit :
deq = _deque( [(x, level+1) for x in arg] + list(deq))
else :
if stack :
while stack and level <= stack[-1][1] :
result.append(stack.pop()[0])
stack.append((arg, level))
else :
stack.append((arg, level))
while stack :
result.append(stack.pop()[0])
return tuple(result)
def __init__(self, flow, crash_recovery=False, verbose=False):
"""
flow - a list of nodes.
"""
super(CircularOnlineFlow, self).__init__(flow, crash_recovery, verbose)
self.flow = _deque(flow) # A circular queue of the flow
# a variable to the set the number of internal flow iteration for each data point.
self._flow_iterations = 1
# set the last node of the list as the default output node.
self.output_node_idx = len(self.flow) - 1
# a variable to store inputs for internal train iterations
self._stored_input = None
# a flag when set ignores the input data (uses stored input instead).
self._ignore_input = False
def _sort_snapshots_by_create_time(cls, snapshots):
sorted_snapshots = _deque()
for item in snapshots:
if misc.string_equal_ignore_case(item.snapshot_type, DBSnapshot.TypeAutomated):
continue #skip if snapshot is created automated
if len(sorted_snapshots) < 1:
sorted_snapshots.append(item)
elif item._snapshot_create_time_raw < sorted_snapshots[-1]._snapshot_create_time_raw:
sorted_snapshots.append(item)
else:
shift = 0
while item._snapshot_create_time_raw < sorted_snapshots[0]._snapshot_create_time_raw:
sorted_snapshots.rotate(-1)
shift = shift + 1
sorted_snapshots.appendleft(item)
sorted_snapshots.rotate(shift)
return sorted_snapshots
def _table_allpredicates_triples(self, table_iri, object_pattern):
subject_mapper = self._orm_mappers[table_iri]
subject_pkey_cols = subject_mapper.primary_key
subject_node_from_sql = self._row_node_from_sql_func(table_iri)
query = self._orm.query(*subject_pkey_cols)
if object_pattern is None:
# *(IRI), *, *
subject_mapper = self._orm_mappers[table_iri]
subject_cols = subject_mapper.columns
subject_cols_props = self._orm_columns_properties[table_iri]
subject_rels = self._orm_relationships[table_iri].values()
query = query.with_entities()
for predicate_col in subject_cols:
predicate_prop = subject_cols_props[predicate_col.name]
predicate_attr = predicate_prop.class_attribute
query = query.add_columns(predicate_attr)
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_table_iri = self._table_iri(object_table.name)
object_cols_props = self._orm_columns_properties[object_table_iri]
predicate_attr = predicate_prop.class_attribute
query = query.outerjoin(predicate_attr).add_columns(*(object_cols_props[col.name]
.class_attribute
for col
in object_table.primary_key.columns))
for query_result_values in query.all():
query_result_values_pending = _deque(query_result_values)
subject_cols_values = [query_result_values_pending.popleft() for _ in range(len(subject_cols))]
subject_pkey_values = (subject_cols_values[i]
for i, col in enumerate(subject_cols)
if col in subject_pkey_cols)
subject_node = subject_node_from_sql(zip(subject_pkey_cols,
subject_pkey_values))
yield (subject_node, _rdf.RDF.type, table_iri)
for predicate_col, object_value in zip(subject_cols, subject_cols_values):
if object_value is None:
continue
predicate_iri = _literal_property_iri(table_iri, predicate_col.name)
yield (subject_node, predicate_iri,
_common.rdf_literal_from_sql
(object_value, sql_type=predicate_col.type))
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_pkey_cols = object_table.primary_key.columns
object_pkey_values = [query_result_values_pending.popleft() for _ in range(len(object_pkey_cols))]
if any(value is None for value in object_pkey_values):
continue
predicate_iri = self._ref_property_iri(table_iri,
(col.name for col in predicate_prop.local_columns))
yield (subject_node,
predicate_iri,
self._row_node_from_sql(self._table_iri(object_table.name),
zip(object_pkey_cols, object_pkey_values)))
elif isinstance(object_pattern, Literal):
# *(IRI), *, literal
subject_cols_props = self._orm_columns_properties[table_iri]
object_sql_types = _common.sql_literal_types_from_rdf(object_pattern.datatype)
for predicate_col in subject_mapper.columns:
predicate_sql_type = predicate_col.type
if isinstance(predicate_sql_type, object_sql_types):
predicate_colname = predicate_col.name
predicate_iri = _literal_property_iri(table_iri, predicate_colname)
predicate_prop = subject_cols_props[predicate_colname]
predicate_attr = predicate_prop.class_attribute
object_sql_literal = _common.sql_literal_from_rdf(object_pattern)
query_cand = query.filter(predicate_attr == object_sql_literal)
for subject_pkey_values in query_cand.all():
yield (subject_node_from_sql(zip(subject_pkey_cols,
subject_pkey_values)),
predicate_iri, object_pattern)
elif isinstance(object_pattern, (URIRef, BNode)):
# *(IRI), *, IRI
if object_pattern == table_iri:
for subject_pkey_values in query.all():
yield (subject_node_from_sql(zip(subject_pkey_cols, subject_pkey_values)),
_rdf.RDF.type, table_iri)
return
try:
object_table_iri, object_pkey = self._parse_row_node(object_pattern)
except (TypeError, ValueError):
return
subject_rels = self._orm_relationships[table_iri]
object_cols_props = self._orm_columns_properties[object_table_iri]
for predicate_prop in subject_rels.values():
predicate_iri = self._ref_property_iri(table_iri,
(col.name
for col
in predicate_prop.local_columns))
query_cand = query.join(predicate_prop.class_attribute).filter(*(attr == value
for attr, value in
object_pkey.items()))
for subject_pkey_values in query_cand.all():
yield (subject_node_from_sql(zip(subject_pkey_cols,
subject_pkey_values)),
predicate_iri, object_pattern)
else:
return
def _subject_triples(self, subject_node, predicate_pattern,
object_pattern):
try:
subject_table_iri, subject_pkey = self._parse_row_node(subject_node)
except (TypeError, ValueError):
return
subject_class = self._orm_classes[subject_table_iri]
subject_cols_props = self._orm_columns_properties[subject_table_iri]
query = self._orm.query(subject_class).filter(*(attr == value
for attr, value
in subject_pkey.items()))
if predicate_pattern is None:
if object_pattern is None:
# IRI, *, *
subject_mapper = self._orm_mappers[subject_table_iri]
subject_cols = subject_mapper.columns
subject_cols_props = self._orm_columns_properties[subject_table_iri]
subject_rels = self._orm_relationships[subject_table_iri].values()
query = query.with_entities()
for predicate_col in subject_cols:
predicate_colname = predicate_col.name
predicate_iri = _literal_property_iri(subject_table_iri, predicate_colname)
predicate_prop = subject_cols_props[predicate_colname]
predicate_attr = predicate_prop.class_attribute
query = query.add_columns(predicate_attr)
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_table_iri = self._table_iri(object_table.name)
object_cols_props = self._orm_columns_properties[object_table_iri]
object_pkey_attrs = [object_cols_props[col.name].class_attribute
for col
in object_table.primary_key.columns]
query = query.outerjoin(predicate_prop.class_attribute).add_columns(*object_pkey_attrs)
query_result_values = query.first()
query_result_values_pending = _deque(query_result_values)
subject_cols_values = [query_result_values_pending.popleft()
for _ in range(len(subject_cols))]
yield (subject_node, _rdf.RDF.type, subject_table_iri)
for predicate_col, object_value in zip(subject_cols, subject_cols_values):
if object_value is None:
continue
predicate_iri = _literal_property_iri(subject_table_iri, predicate_col.name)
yield (subject_node,
predicate_iri,
_common.rdf_literal_from_sql
(object_value,
sql_type=predicate_col.type))
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_pkey_cols = object_table.primary_key.columns
object_pkey_values = [query_result_values_pending.popleft() for _ in range(len(object_pkey_cols))]
object_node_from_sql = self._row_node_from_sql_func(self._table_iri(object_table.name))
if any(value is None for value in object_pkey_values):
continue
predicate_iri = self._ref_property_iri(subject_table_iri,
(col.name for col in predicate_prop.local_columns))
yield (subject_node,
predicate_iri,
object_node_from_sql(zip(object_pkey_cols,
object_pkey_values)))
elif isinstance(object_pattern, Literal):
# IRI, *, literal
subject_mapper = self._orm_mappers[subject_table_iri]
subject_cols_props = self._orm_columns_properties[subject_table_iri]
object_sql_types = _common.sql_literal_types_from_rdf(object_pattern.datatype)
for predicate_col in subject_mapper.columns:
predicate_sql_type = predicate_col.type
if isinstance(predicate_sql_type, object_sql_types):
predicate_colname = predicate_col.name
predicate_prop = subject_cols_props[predicate_colname]
predicate_attr = predicate_prop.class_attribute
object_sql_literal = _common.sql_literal_from_rdf(object_pattern)
query_cand = query.filter(predicate_attr == object_sql_literal)
if self._orm.query(query_cand.exists()).scalar():
predicate_iri = _literal_property_iri(subject_table_iri, predicate_colname)
yield (subject_node, predicate_iri, object_pattern)
elif isinstance(object_pattern, URIRef):
# IRI, *, IRI
if object_pattern == subject_table_iri:
if self._orm.query(query.exists()).scalar():
yield (subject_node, _rdf.RDF.type, subject_table_iri)
return
try:
object_table_iri, object_pkey = self._parse_row_node(object_pattern)
except (TypeError, ValueError):
return
subject_rels = self._orm_relationships[subject_table_iri]
object_cols_props = self._orm_columns_properties[object_table_iri]
for predicate_prop in subject_rels.values():
query_cand = query.join(predicate_prop.class_attribute).filter(*(attr == value
for attr, value
in object_pkey.items()))
if self._orm.query(query_cand.exists()).scalar():
predicate_iri = self._ref_property_iri(subject_table_iri,
(col.name for col in predicate_prop.local_columns))
yield (subject_node, predicate_iri, object_pattern)
else:
return
elif predicate_pattern == _rdf.RDF.type:
if object_pattern is None or (isinstance(object_pattern, URIRef) and object_pattern == subject_table_iri):
if self._orm.query(query.exists()).scalar():
yield (subject_node, _rdf.RDF.type, subject_table_iri)
elif isinstance(predicate_pattern, URIRef):
try:
predicate_attr = self._predicate_orm_attr(predicate_pattern)
except ValueError:
return
predicate_prop = predicate_attr.property
if isinstance(predicate_prop, _sqla_orm.RelationshipProperty):
if object_pattern is None:
# IRI, ref IRI, *
object_table = predicate_prop.target
object_table_iri = self._table_iri(object_table.name)
object_pkey_cols = object_table.primary_key.columns
query = query.join(predicate_attr).with_entities(*object_pkey_cols)
for object_pkey_values in query.all():
yield (subject_node,
predicate_pattern,
self._row_iri_from_sql(object_table_iri, zip(object_pkey_cols, object_pkey_values)))
elif isinstance(object_pattern, URIRef):
# IRI, ref IRI, IRI
try:
object_table_iri, object_pkey = self._parse_row_node(object_pattern)
except (TypeError, ValueError):
return
object_cols_props = self._orm_columns_properties[object_table_iri]
query = query.join(predicate_attr).filter(*(attr == value for attr, value in object_pkey.items()))
if self._orm.query(query.exists()).scalar():
yield (subject_node, predicate_pattern, object_pattern)
else:
return
else:
return
else:
predicate_col, = predicate_attr.property.columns
if object_pattern is None:
# IRI, non-ref IRI, *
query = query.with_entities(predicate_attr).filter(predicate_attr is not None)
for value, in query.all():
yield (subject_node, predicate_pattern,
_common.rdf_literal_from_sql
(value, sql_type=predicate_col.type))
elif isinstance(object_pattern, Literal):
# IRI, non-ref IRI, literal
if object_pattern.datatype not in _common.rdf_datatypes_from_sql(predicate_col.type):
return
object_sql_literal = _common.sql_literal_from_rdf(object_pattern)
query = query.filter(predicate_attr is not None, predicate_attr == object_sql_literal)
if self._orm.query(query.exists()).scalar():
yield (subject_node, predicate_pattern, object_pattern)
else:
return
else:
return
def _table_allpredicates_triples(self, table_iri, object_pattern):
subject_mapper = self._orm_mappers[table_iri]
subject_pkey_cols = subject_mapper.primary_key
subject_node_from_sql = self._row_node_from_sql_func(table_iri)
query = self._orm.query(*subject_pkey_cols)
if object_pattern is None:
# *(IRI), *, *
subject_mapper = self._orm_mappers[table_iri]
subject_cols = subject_mapper.columns
subject_cols_props = self._orm_columns_properties[table_iri]
subject_rels = self._orm_relationships[table_iri].values()
query = query.with_entities()
for predicate_col in subject_cols:
predicate_prop = subject_cols_props[predicate_col.name]
predicate_attr = predicate_prop.class_attribute
query = query.add_columns(predicate_attr)
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_table_iri = self._table_iri(object_table.name)
object_cols_props = \
self._orm_columns_properties[object_table_iri]
predicate_attr = predicate_prop.class_attribute
query = \
query.outerjoin(predicate_attr)\
.add_columns(*(object_cols_props[col.name]
.class_attribute
for col
in object_table.primary_key.columns))
for query_result_values in query.all():
query_result_values_pending = _deque(query_result_values)
subject_cols_values = [
query_result_values_pending.popleft()
for _ in range(len(subject_cols))
]
subject_pkey_values = (subject_cols_values[i]
for i, col in enumerate(subject_cols)
if col in subject_pkey_cols)
subject_node = subject_node_from_sql(
zip(subject_pkey_cols, subject_pkey_values))
yield (subject_node, _rdf.RDF.type, table_iri)
for predicate_col, object_value in zip(subject_cols,
subject_cols_values):
if object_value is None:
continue
predicate_iri = \
self._literal_property_iri(table_iri,
predicate_col.name)
yield (subject_node, predicate_iri,
_common.rdf_literal_from_sql(
object_value, sql_type=predicate_col.type))
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_pkey_cols = object_table.primary_key.columns
object_pkey_values = \
[query_result_values_pending.popleft()
for _ in range(len(object_pkey_cols))]
if any(value is None for value in object_pkey_values):
continue
predicate_iri = \
self._ref_property_iri\
(table_iri,
(col.name for col in predicate_prop.local_columns))
yield (subject_node,
predicate_iri,
self._row_node_from_sql\
(self._table_iri(object_table.name),
zip(object_pkey_cols, object_pkey_values)))
elif isinstance(object_pattern, _rdf.Literal):
# *(IRI), *, literal
subject_cols_props = \
self._orm_columns_properties[table_iri]
object_sql_types = \
_common.sql_literal_types_from_rdf(object_pattern.datatype)
for predicate_col in subject_mapper.columns:
predicate_sql_type = predicate_col.type
if isinstance(predicate_sql_type, object_sql_types):
predicate_colname = predicate_col.name
predicate_iri = \
self._literal_property_iri(table_iri,
predicate_colname)
predicate_prop = subject_cols_props[predicate_colname]
predicate_attr = predicate_prop.class_attribute
object_sql_literal = \
_common.sql_literal_from_rdf(object_pattern)
query_cand = \
query.filter(predicate_attr == object_sql_literal)
for subject_pkey_values in query_cand.all():
yield (subject_node_from_sql(
zip(subject_pkey_cols, subject_pkey_values)),
predicate_iri, object_pattern)
elif isinstance(object_pattern, (_rdf.URIRef, _rdf.BNode)):
# *(IRI), *, IRI
if object_pattern == table_iri:
for subject_pkey_values in query.all():
yield (subject_node_from_sql(
zip(subject_pkey_cols,
subject_pkey_values)), _rdf.RDF.type, table_iri)
return
try:
object_table_iri, object_pkey = \
self._parse_row_node(object_pattern)
except (TypeError, ValueError):
return
subject_rels = self._orm_relationships[table_iri]
object_cols_props = self._orm_columns_properties[object_table_iri]
for predicate_prop in subject_rels.values():
predicate_iri = \
self._ref_property_iri(table_iri,
(col.name
for col
in predicate_prop.local_columns))
query_cand = \
query.join(predicate_prop.class_attribute)\
.filter(*(attr == value
for attr, value in object_pkey.items()))
for subject_pkey_values in query_cand.all():
yield (subject_node_from_sql(
zip(subject_pkey_cols, subject_pkey_values)),
predicate_iri, object_pattern)
else:
return
def __init__(self, pos=(0, 0)):
super(Turtle, self).__init__(pos)
self._jobs = _deque()
def __init__(self, limit):
self.mon = RLock()
self.rc = Condition(self.mon)
self.wc = Condition(self.mon)
self.limit = limit
self.queue = _deque()
def __init__(self, seed=None, /):
seed = self.seed = get_seed(seed)
rng = self.rng = default_rng(SeedSequence(self.seed))
self.initstate = self.__getstate__()
self.priorstates = _deque()
self.random = rng.random
def _subject_triples(self, subject_node, predicate_pattern,
object_pattern):
try:
subject_table_iri, subject_pkey = \
self._parse_row_node(subject_node)
except (TypeError, ValueError):
return
subject_class = self._orm_classes[subject_table_iri]
subject_cols_props = \
self._orm_columns_properties[subject_table_iri]
query = self._orm.query(subject_class)\
.filter(*(attr == value
for attr, value
in subject_pkey.items()))
if predicate_pattern is None:
if object_pattern is None:
# IRI, *, *
subject_mapper = self._orm_mappers[subject_table_iri]
subject_cols = subject_mapper.columns
subject_cols_props = \
self._orm_columns_properties[subject_table_iri]
subject_rels = \
self._orm_relationships[subject_table_iri].values()
query = query.with_entities()
for predicate_col in subject_cols:
predicate_colname = predicate_col.name
predicate_iri = \
self._literal_property_iri(subject_table_iri,
predicate_colname)
predicate_prop = subject_cols_props[predicate_colname]
predicate_attr = predicate_prop.class_attribute
query = query.add_columns(predicate_attr)
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_table_iri = self._table_iri(object_table.name)
object_cols_props = \
self._orm_columns_properties[object_table_iri]
object_pkey_attrs = \
[object_cols_props[col.name].class_attribute
for col
in object_table.primary_key.columns]
query = query.outerjoin(predicate_prop.class_attribute)\
.add_columns(*object_pkey_attrs)
query_result_values = query.first()
query_result_values_pending = _deque(query_result_values)
subject_cols_values = \
[query_result_values_pending.popleft()
for _ in range(len(subject_cols))]
yield (subject_node, _rdf.RDF.type, subject_table_iri)
for predicate_col, object_value \
in zip(subject_cols, subject_cols_values):
if object_value is None:
continue
predicate_iri = \
self._literal_property_iri(subject_table_iri,
predicate_col.name)
yield (subject_node, predicate_iri,
_common.rdf_literal_from_sql(
object_value, sql_type=predicate_col.type))
for predicate_prop in subject_rels:
object_table = predicate_prop.target
object_pkey_cols = object_table.primary_key.columns
object_pkey_values = \
[query_result_values_pending.popleft()
for _ in range(len(object_pkey_cols))]
object_node_from_sql = \
self._row_node_from_sql_func\
(self._table_iri(object_table.name))
if any(value is None for value in object_pkey_values):
continue
predicate_iri = \
self._ref_property_iri\
(subject_table_iri,
(col.name
for col in predicate_prop.local_columns))
yield (subject_node, predicate_iri,
object_node_from_sql(
zip(object_pkey_cols, object_pkey_values)))
elif isinstance(object_pattern, _rdf.Literal):
# IRI, *, literal
subject_mapper = self._orm_mappers[subject_table_iri]
subject_cols_props = \
self._orm_columns_properties[subject_table_iri]
object_sql_types = \
_common.sql_literal_types_from_rdf\
(object_pattern.datatype)
for predicate_col in subject_mapper.columns:
predicate_sql_type = predicate_col.type
if isinstance(predicate_sql_type, object_sql_types):
predicate_colname = predicate_col.name
predicate_prop = \
subject_cols_props[predicate_colname]
predicate_attr = predicate_prop.class_attribute
object_sql_literal = \
_common.sql_literal_from_rdf(object_pattern)
query_cand = \
query.filter(predicate_attr
== object_sql_literal)
if self._orm.query(query_cand.exists()).scalar():
predicate_iri = \
self._literal_property_iri\
(subject_table_iri, predicate_colname)
yield (subject_node, predicate_iri, object_pattern)
elif isinstance(object_pattern, _rdf.URIRef):
# IRI, *, IRI
if object_pattern == subject_table_iri:
if self._orm.query(query.exists()).scalar():
yield (subject_node, _rdf.RDF.type, subject_table_iri)
return
try:
object_table_iri, object_pkey = \
self._parse_row_node(object_pattern)
except (TypeError, ValueError):
return
subject_rels = self._orm_relationships[subject_table_iri]
object_cols_props = \
self._orm_columns_properties[object_table_iri]
for predicate_prop in subject_rels.values():
query_cand = \
query.join(predicate_prop.class_attribute)\
.filter(*(attr == value
for attr, value
in object_pkey.items()))
if self._orm.query(query_cand.exists()).scalar():
predicate_iri = \
self._ref_property_iri\
(subject_table_iri,
(col.name
for col in predicate_prop.local_columns))
yield (subject_node, predicate_iri, object_pattern)
else:
return
elif predicate_pattern == _rdf.RDF.type:
if object_pattern is None \
or (isinstance(object_pattern, _rdf.URIRef)
and object_pattern == subject_table_iri):
if self._orm.query(query.exists()).scalar():
yield (subject_node, _rdf.RDF.type, subject_table_iri)
elif isinstance(predicate_pattern, _rdf.URIRef):
try:
predicate_attr = \
self._predicate_orm_attr(predicate_pattern)
except ValueError:
return
predicate_prop = predicate_attr.property
if isinstance(predicate_prop, _sqla_orm.RelationshipProperty):
if object_pattern is None:
# IRI, ref IRI, *
object_table = predicate_prop.target
object_table_iri = self._table_iri(object_table.name)
object_pkey_cols = object_table.primary_key.columns
query = \
query.join(predicate_attr)\
.with_entities(*object_pkey_cols)
for object_pkey_values in query.all():
yield (subject_node, predicate_pattern,
self._row_iri_from_sql(
object_table_iri,
zip(object_pkey_cols, object_pkey_values)))
elif isinstance(object_pattern, _rdf.URIRef):
# IRI, ref IRI, IRI
try:
object_table_iri, object_pkey = \
self._parse_row_node(object_pattern)
except (TypeError, ValueError):
return
object_cols_props = \
self._orm_columns_properties[object_table_iri]
query = query.join(predicate_attr)\
.filter(*(attr == value
for attr, value
in object_pkey.items()))
if self._orm.query(query.exists()).scalar():
yield (subject_node, predicate_pattern, object_pattern)
else:
return
else:
return
else:
predicate_col, = predicate_attr.property.columns
if object_pattern is None:
# IRI, non-ref IRI, *
query = query.with_entities(predicate_attr)\
.filter(predicate_attr != None)
for value, in query.all():
yield (subject_node, predicate_pattern,
_common.rdf_literal_from_sql(
value, sql_type=predicate_col.type))
elif isinstance(object_pattern, _rdf.Literal):
# IRI, non-ref IRI, literal
if object_pattern.datatype \
not in _common.rdf_datatypes_from_sql\
(predicate_col.type):
return
object_sql_literal = \
_common.sql_literal_from_rdf(object_pattern)
query = \
query.filter(predicate_attr != None,
predicate_attr == object_sql_literal)
if self._orm.query(query.exists()).scalar():
yield (subject_node, predicate_pattern, object_pattern)
else:
return
else:
return
def __init__(self, pos=(0, 0)):
super(Turtle, self).__init__(pos)
self._jobs = _deque()
def __setitem__(self, key, value):
super(CircularOnlineFlow, self).__setitem__(key, value)
self.flow = _deque(self.flow)
if (key.start < self.output_node_idx) and (self.output_node_idx < key.stop()):
print('Output node is replaced! Resetting the output node.')
self.reset_output_node()
def __init__(self, inital_value=0, flags=0, *, loop=None):
self._loop = loop or _asyncio.get_event_loop()
self._eventfd = _Eventfd(inital_value, flags)
self._getters = _deque()
self._value = inital_value
def __init__(self):
self._fixed_bools = _deque()
self._fixed_ints = _deque()
self._fixed_reals = _deque()
def _process_root(self, root_name: 'str') -> 'int':
# Поиск меш-объектов-детей root на этой же сцене.
scene_objs = (self.scene or _bpy.context.scene).collection.objects
children_queue = _deque() # type: Deque[str]
children = set() # type: Set[str]
children_queue.extend(x.name
for x in _bpy.data.objects[root_name].children)
while len(children_queue) > 0:
child_name = children_queue.pop()
child = _bpy.data.objects[child_name]
children_queue.extend(x.name for x in child.children)
if child_name not in scene_objs:
continue
if not isinstance(child.data, _bpy.types.Mesh):
continue
children.add(child_name)
self._call_before_group(root_name, children)
groups = dict() # type: Dict[Optional[str], Set[str]]
for child_name in children:
group_name = self._call_group_child(root_name, child_name)
if group_name is False:
continue # skip
group = groups.get(group_name)
if group is None:
group = set()
groups[group_name] = group
group.add(child_name)
# log.info('%s %s', root_name, repr(groups))
def create_mesh_obj(name):
new_mesh = _bpy.data.meshes.new(name + '-Mesh')
new_obj = _bpy.data.objects.new(name, object_data=new_mesh)
new_obj.name = name # force rename
scene_objs.link(new_obj)
return new_obj
# Далее намерено избегаем ссылок на root объект, т.к. объекты меняются
# и можно отхватить ошибку StructRNA of type Object has been removed
obj_group_count = 0
for group_name, obj_group in groups.items():
join_to = None
if group_name is None:
if isinstance(_bpy.data.objects[root_name].data,
_bpy.types.Mesh):
# root - Это меш, приклееваем к нему.
join_to = _bpy.data.objects[root_name]
elif self.force_mesh_root:
# root - Это НЕ меш, но force_mesh_root.
base_name = root_name
old_root = _bpy.data.objects[root_name]
old_root.name = base_name + '-Replaced'
self.replaced_objects.add(old_root.name)
join_to = create_mesh_obj(base_name)
root_name = join_to.name # Фактическое новое имя
self.created_objects.add(root_name)
join_to.parent = old_root.parent
join_to.parent_type = 'OBJECT'
join_to.location = old_root.location
join_to.rotation_mode = old_root.rotation_mode
join_to.rotation_axis_angle = old_root.rotation_axis_angle
join_to.rotation_euler = old_root.rotation_euler
join_to.rotation_quaternion = old_root.rotation_quaternion
join_to.scale = old_root.scale
for sub_child in old_root.children: # type: Object
sub_child.parent = join_to
else:
# root - Это НЕ меш, создаём подгруппу.
join_to = create_mesh_obj(root_name + '-' +
self.default_group)
self.created_objects.add(join_to.name)
join_to.parent = _bpy.data.objects[root_name]
join_to.parent_type = 'OBJECT'
_commons.identity_transform(join_to)
else:
join_to = create_mesh_obj(root_name + '-' + group_name)
self.created_objects.add(join_to.name)
join_to.parent = _bpy.data.objects[root_name]
join_to.parent_type = 'OBJECT'
_commons.identity_transform(join_to)
self._call_before_join(root_name, join_to.name, group_name,
obj_group)
self._join_objects(join_to, obj_group)
self._call_after_join(root_name, join_to.name, group_name)
obj_group_count += len(obj_group)
return obj_group_count
def to_neuroml(self, filename, resolution=10, write=True):
'''
Save the neuron as a NeuroML (.nml) object.
Parameters
----------
filename : str
Name of the MNL file to write.
resolution : int, optional (default: 10)
Coarse-graining factor of the structure: only one point every
`resolution` will be kept.
write : bool, optional (default: True)
Write the file.
Returns
-------
neuroml.Cell object.
'''
import neuroml
import neuroml.writers as writers
x = self.position[0].to('micrometer').m
y = self.position[1].to('micrometer').m
z = 0.
p = neuroml.Point3DWithDiam(x=x,
y=y,
z=z,
diameter=2. * self.soma_radius.m)
soma = neuroml.Segment(proximal=p, distal=p)
soma.name = 'Soma'
soma.id = 0
seg_id = 0
morpho = neuroml.Morphology()
morpho.id = "Morphology neuron {}".format(int(self))
morpho.segments.append(soma)
neurites_segments = []
neurites = list(self.dendrites.values())
if self.axon is not None:
neurites.append(self.axon)
# set dendrites
for neurite in neurites:
p_segment = soma
parent = neuroml.SegmentParent(segments=soma.id)
branch_seen = {}
todo = _deque([branch for branch in neurite.branches])
indices = _deque([i for i in range(len(todo))])
while todo:
branch = todo.popleft()
idx = indices.popleft()
if branch.parent in (-1, 0, None):
p_segment = soma
parent = neuroml.SegmentParent(segments=soma.id)
elif branch.parent in branch_seen:
p_segment = branch_seen[branch.parent]
parent = neuroml.SegmentParent(segments=p_segment.id)
else:
parent = None
if parent is not None:
diameter = branch.diameter
if neurite.taper_rate is not None:
dist_to_tip = _np.cumsum(branch.r[::-1])[::-1]
diameter = diameter + neurite.taper_rate * dist_to_tip
else:
diameter = (diameter for _ in range(len(branch.xy)))
# subsample positions and diameters
subnodes = branch.xy[::resolution].m
subdiam = diameter[::resolution].m
for pos, diam in zip(subnodes, subdiam):
p = neuroml.Point3DWithDiam(
x=p_segment.distal.x,
y=p_segment.distal.y,
z=p_segment.distal.z,
diameter=p_segment.distal.diameter)
d = neuroml.Point3DWithDiam(x=pos[0],
y=pos[1],
z=p_segment.distal.z,
diameter=diam)
n_segment = neuroml.Segment(proximal=p,
distal=d,
parent=parent)
n_segment.id = seg_id
n_segment.name = '{}_segment_{}'.format(
neurite, seg_id)
# set as next parent
p_segment = n_segment
parent = neuroml.SegmentParent(segments=p_segment.id)
seg_id += 1
neurites_segments.append(n_segment)
# store the last point as future parent for child branches
branch_seen[branch.node_id] = p_segment
else:
todo.append(branch)
indices.append(idx)
morpho.segments += neurites_segments
# make the neuroml cell
cell = neuroml.Cell()
cell.name = "Neuron {}".format(int(self))
cell.id = int(self)
cell.morphology = morpho
# write
if write:
doc = neuroml.NeuroMLDocument(id=filename)
doc.cells.append(cell)
writers.NeuroMLWriter.write(doc, filename)
return cell
def __setitem__(self, key, value):
super(CircularOnlineFlow, self).__setitem__(key, value)
self.flow = _deque(self.flow)
if (key.start < self.output_node_idx) and (self.output_node_idx < key.stop()):
print 'Output node is replaced! Resetting the output node.'
self.reset_output_node()
def __init__(self, inital_value=0, flags=0, *, loop=None):
self._loop = loop or _asyncio.get_event_loop()
self._eventfd = _Eventfd(inital_value, flags)
self._getters = _deque()
self._value = inital_value
def __init__(self):
self._waiters = _deque()
self._holds = _defaultdict(int)