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51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
from typing import List, Set
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from collections import defaultdict
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from .types import layer_t, net_name_t, contour_t
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class NetsInfo:
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nets: defaultdict[net_name_t, defaultdict[layer_t, List]]
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net_aliases: defaultdict[net_name_t, net_name_t]
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def __init__(self) -> None:
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self.nets = defaultdict(lambda: defaultdict(list))
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self.net_aliases = defaultdict(list)
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def resolve_name(self, net_name: net_name_t) -> net_name_t:
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while net_name in self.net_aliases:
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net_name = self.net_aliases[net_name]
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return net_name
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def merge(self, net_a: net_name_t, net_b: net_name_t) -> None:
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net_a = self.resolve_name(net_a)
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net_b = self.resolve_name(net_b)
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# Always keep named nets if the other is anonymous
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if not isinstance(net_a, str) and isinstance(net_b, str):
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keep_net, old_net = net_b, net_a
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else:
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keep_net, old_net = net_a, net_b
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#logger.info(f'merging {old_net} into {keep_net}')
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self.net_aliases[old_net] = keep_net
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if old_net in self.nets:
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for layer in self.nets[old_net]:
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self.nets[keep_net][layer] += self.nets[old_net][layer]
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del self.nets[old_net]
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def get(self, net: net_name_t, layer: layer_t) -> List[contour_t]:
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return self.nets[self.resolve_name(net)][layer]
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def get_shorted_nets(self) -> List[Set[str]]:
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shorts = defaultdict(list)
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for kk in self.net_aliases:
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if isinstance(kk, str):
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base_name = self.resolve_name(kk)
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assert(isinstance(base_name, str))
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shorts[base_name].append(kk)
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shorted_sets = [set([kk] + others)
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for kk, others in shorts.items()]
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return shorted_sets
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