def evaluate(value, context, freeze=True):
list_type = tuple if freeze else list
dict_type = yaqlutils.FrozenDict if freeze else dict
set_type = frozenset if freeze else set
if isinstance(value, (dsl_types.YaqlExpression,
yaql.language.expressions.Statement)):
return value(context)
elif isinstance(value, yaqlutils.MappingType):
return dict_type(
(evaluate(d_key, context, freeze),
evaluate(d_value, context, freeze))
for d_key, d_value in six.iteritems(value))
elif yaqlutils.is_sequence(value):
return list_type(evaluate(t, context, freeze) for t in value)
elif isinstance(value, yaqlutils.SetType):
return set_type(evaluate(t, context, freeze) for t in value)
elif yaqlutils.is_iterable(value):
return list_type(
evaluate(t, context, freeze)
for t in yaqlutils.limit_iterable(
value, constants.ITERATORS_LIMIT))
elif isinstance(value, dsl_types.MuranoObjectInterface):
return value.object
else:
return value
def evaluate(value, context, freeze=True):
list_type = tuple if freeze else list
dict_type = yaqlutils.FrozenDict if freeze else dict
set_type = frozenset if freeze else set
if isinstance(
value,
(dsl_types.YaqlExpression, yaql.language.expressions.Statement)):
return value(context)
elif isinstance(value, yaqlutils.MappingType):
return dict_type((evaluate(d_key, context, freeze),
evaluate(d_value, context, freeze))
for d_key, d_value in value.items())
elif yaqlutils.is_sequence(value):
return list_type(evaluate(t, context, freeze) for t in value)
elif isinstance(value, yaqlutils.SetType):
return set_type(evaluate(t, context, freeze) for t in value)
elif yaqlutils.is_iterable(value):
return list_type(
evaluate(t, context, freeze) for t in yaqlutils.limit_iterable(
value, CONF.murano.dsl_iterators_limit))
elif isinstance(value, dsl_types.MuranoObjectInterface):
return value.object
else:
return value
def flatten(collection):
for t in collection:
if utils.is_iterable(t):
for t2 in flatten(t):
yield t2
else:
yield t
def flatten(collection):
for t in collection:
if utils.is_iterable(t):
for t2 in flatten(t):
yield t2
else:
yield t
def select_many(collection, selector):
for item in collection:
inner = selector(item)
if utils.is_iterable(inner):
for t in inner:
yield t
else:
yield inner
def traverse(seed, producer=None, track_visited=True):
if not yaqlutils.is_iterable(seed):
seed = [seed]
visited = None if not track_visited else set()
queue = collections.deque(seed)
while queue:
item = queue.popleft()
if track_visited:
if item in visited:
continue
visited.add(item)
produced = (yield item)
if produced is None and producer:
produced = producer(item)
if produced:
queue.extend(produced)
def traverse(seed, producer=None, track_visited=True):
if not yaqlutils.is_iterable(seed):
seed = [seed]
visited = None if not track_visited else set()
queue = collections.deque(seed)
while queue:
item = queue.popleft()
if track_visited:
if item in visited:
continue
visited.add(item)
produced = (yield item)
if produced is None and producer:
produced = producer(item)
if produced:
queue.extend(produced)
def evaluate(value, context):
if isinstance(value, (dsl_types.YaqlExpression, yaql.language.expressions.Statement)):
return value(context)
elif isinstance(value, yaqlutils.MappingType):
return yaqlutils.FrozenDict(
(evaluate(d_key, context), evaluate(d_value, context)) for d_key, d_value in six.iteritems(value)
)
elif yaqlutils.is_sequence(value):
return tuple(evaluate(t, context) for t in value)
elif isinstance(value, yaqlutils.SetType):
return frozenset(evaluate(t, context) for t in value)
elif yaqlutils.is_iterable(value):
return tuple(evaluate(t, context) for t in yaqlutils.limit_iterable(value, constants.ITERATORS_LIMIT))
elif isinstance(value, dsl_types.MuranoObjectInterface):
return value.object
else:
return value
def flatten(collection):
""":yaql:flatten
Returns an iterator to the recursive traversal of collection.
:signature: collection.flatten()
:receiverArg collection: collection to be traversed
:argType collection: iterable
:returnType: list
.. code::
yaql> ["a", ["b", [2,3]]].flatten()
["a", "b", 2, 3]
"""
for t in collection:
if utils.is_iterable(t):
for t2 in flatten(t):
yield t2
else:
yield t
def flatten(collection):
""":yaql:flatten
Returns an iterator to the recursive traversal of collection.
:signature: collection.flatten()
:receiverArg collection: collection to be traversed
:argType collection: iterable
:returnType: list
.. code::
yaql> ["a", ["b", [2,3]]].flatten()
["a", "b", 2, 3]
"""
for t in collection:
if utils.is_iterable(t):
for t2 in flatten(t):
yield t2
else:
yield t
def evaluate(value, context):
if isinstance(value, (dsl_types.YaqlExpression,
yaql.language.expressions.Statement)):
return value(context)
elif isinstance(value, yaqlutils.MappingType):
return yaqlutils.FrozenDict(
(evaluate(d_key, context),
evaluate(d_value, context))
for d_key, d_value in six.iteritems(value))
elif yaqlutils.is_sequence(value):
return tuple(evaluate(t, context) for t in value)
elif isinstance(value, yaqlutils.SetType):
return frozenset(evaluate(t, context) for t in value)
elif yaqlutils.is_iterable(value):
return tuple(
evaluate(t, context)
for t in yaqlutils.limit_iterable(
value, constants.ITERATORS_LIMIT))
elif isinstance(value, dsl_types.MuranoObjectInterface):
return value.object
else:
return value
def get_limited_if_need(data, engine):
if (yaqlutils.is_iterable(data) or yaqlutils.is_sequence(data) or
isinstance(data, (yaqlutils.MappingType, yaqlutils.SetType))):
return yaqlutils.limit_iterable(data, engine)
return data
def is_iterable(value):
return utils.is_iterable(value)
