core-extra/daemon/core/misc/nodeutils.py

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"""
Serves as a global point for storing and retrieving node types needed during simulation.
"""
import pprint
from core.misc import log
logger = log.get_logger(__name__)
_NODE_MAP = None
def _convert_map(x, y):
x[y[0].name] = y[1]
return x
def set_node_map(node_map):
global _NODE_MAP
print_map = reduce(lambda x, y: _convert_map(x, y), node_map.items(), {})
logger.info("setting node class map: \n%s", pprint.pformat(print_map, indent=4))
_NODE_MAP = node_map
def get_node_class(node_type):
global _NODE_MAP
return _NODE_MAP[node_type]
def is_node(obj, node_types):
type_classes = []
if isinstance(node_types, (tuple, list)):
for node_type in node_types:
type_class = get_node_class(node_type)
type_classes.append(type_class)
else:
type_class = get_node_class(node_types)
type_classes.append(type_class)
return isinstance(obj, tuple(type_classes))