68 lines
1.7 KiB
Python
68 lines
1.7 KiB
Python
"""
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Serves as a global point for storing and retrieving node types needed during simulation.
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"""
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import pprint
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from core.misc import log
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logger = log.get_logger(__name__)
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_NODE_MAP = None
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def _convert_map(x, y):
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"""
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Convenience method to create a human readable version of the node map to log.
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:param dict x: dictionary to reduce node items into
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:param tuple y: current node item
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:return:
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"""
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x[y[0].name] = y[1]
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return x
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def set_node_map(node_map):
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"""
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Set the global node map that proides a consistent way to retrieve differently configured nodes.
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:param dict node_map: node map to set to
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:return: nothing
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"""
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global _NODE_MAP
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print_map = reduce(lambda x, y: _convert_map(x, y), node_map.items(), {})
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logger.info("setting node class map: \n%s", pprint.pformat(print_map, indent=4))
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_NODE_MAP = node_map
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def get_node_class(node_type):
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"""
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Retrieve the node class for a given node type.
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:param int node_type: node type to retrieve class for
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:return: node class
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"""
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global _NODE_MAP
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return _NODE_MAP[node_type]
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def is_node(obj, node_types):
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"""
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Validates if an object is one of the provided node types.
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:param obj: object to check type for
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:param int|tuple|list node_types: node type(s) to check against
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:return: True if the object is one of the node types, False otherwise
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:rtype: bool
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"""
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type_classes = []
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if isinstance(node_types, (tuple, list)):
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for node_type in node_types:
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type_class = get_node_class(node_type)
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type_classes.append(type_class)
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else:
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type_class = get_node_class(node_types)
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type_classes.append(type_class)
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return isinstance(obj, tuple(type_classes))
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