33 lines
924 B
Python
33 lines
924 B
Python
from ..externals import six
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from collections import defaultdict
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# The :mod:`sklearn.pipeline` module implements utilities to build a composite
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# estimator, as a chain of transforms and estimators.
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# Author: Edouard Duchesnay
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# Gael Varoquaux
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# Virgile Fritsch
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# Alexandre Gramfort
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# Lars Buitinck
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# Licence: BSD
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def _name_estimators(estimators):
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"""Generate names for estimators."""
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names = [type(estimator).__name__.lower() for estimator in estimators]
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namecount = defaultdict(int)
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for _, name in zip(estimators, names):
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namecount[name] += 1
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for k, v in list(six.iteritems(namecount)):
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if v == 1:
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del namecount[k]
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for i in reversed(range(len(estimators))):
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name = names[i]
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if name in namecount:
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names[i] += "-%d" % namecount[name]
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namecount[name] -= 1
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return list(zip(names, estimators))
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