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Last change
on this file since 1161 was
1139,
checked in by Maciej Komosinski, 4 years ago
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Added --debug mode that prints names of steps; final multiple evaluation now evaluates genotypes in hall of fame instead of the last population
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File size:
677 bytes
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| 1 | from abc import abstractmethod |
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| 2 | |
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| 3 | from evolalg.base.step import Step |
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| 4 | import copy |
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| 5 | |
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| 6 | |
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| 7 | class Selection(Step): |
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| 8 | def __init__(self, copy=False, *args, **kwargs): |
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| 9 | super(Selection, self).__init__(*args, **kwargs) |
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| 10 | self.copy = copy |
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| 11 | |
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| 12 | @abstractmethod |
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| 13 | def select_next(self, population): |
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| 14 | pass |
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| 15 | |
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| 16 | def call(self, population, count=None): |
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| 17 | super(Selection, self).call(population) |
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| 18 | res = [] |
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| 19 | if count is None: |
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| 20 | count = len(population) |
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| 21 | |
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| 22 | for _ in range(count): |
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| 23 | sel = self.select_next(population) |
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| 24 | if self.copy: |
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| 25 | sel = copy.deepcopy(sel) |
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| 26 | res.append(sel) |
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| 27 | return res |
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