Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/gxformat2/_labels.py @ 4:79f47841a781 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:47:39 -0400
parents 26e78fe6e8c4
children
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26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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1 """Utilities for handling unlabelled objects when translating workflow formats."""
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2
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3
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4 class Labels(object):
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5 """Track labels assigned and generate anonymous ones."""
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6
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7 def __init__(self):
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8 """Initialize labels that have been encountered or generated."""
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9 self.seen_labels = set()
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10 self.anonymous_labels = 0
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11
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12 def ensure_new_output_label(self, label):
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13 """Ensure supplied label has value or generate an anonymous one."""
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14 if label is None:
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15 self.anonymous_labels += 1
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16 label = "_anonymous_output_%d" % self.anonymous_labels
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17 assert label not in self.seen_labels
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18 self.seen_labels.add(label)
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19 return label
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20
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21 @staticmethod
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22 def is_anonymous_output_label(label):
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23 """Predicate determining if supplied label was generated for anonymous output."""
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24 # label likely can't be null according to the schema definition - but we've got a test
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25 # in Galaxy that doesn't define a label in order to great a .ga file without output
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26 # labels (which is completely normal).
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27 return not label or label.startswith("_anonymous_output_")