Last change
on this file since 1139 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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Line | |
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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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