Mercurial > repos > shellac > sam_consensus_v3
diff env/lib/python3.9/site-packages/gxformat2/_labels.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.9/site-packages/gxformat2/_labels.py Mon Mar 22 18:12:50 2021 +0000 @@ -0,0 +1,27 @@ +"""Utilities for handling unlabelled objects when translating workflow formats.""" + + +class Labels(object): + """Track labels assigned and generate anonymous ones.""" + + def __init__(self): + """Initialize labels that have been encountered or generated.""" + self.seen_labels = set() + self.anonymous_labels = 0 + + def ensure_new_output_label(self, label: str): + """Ensure supplied label has value or generate an anonymous one.""" + if label is None: + self.anonymous_labels += 1 + label = "_anonymous_output_%d" % self.anonymous_labels + assert label not in self.seen_labels + self.seen_labels.add(label) + return label + + @staticmethod + def is_anonymous_output_label(label: str): + """Predicate determining if supplied label was generated for anonymous output.""" + # label likely can't be null according to the schema definition - but we've got a test + # in Galaxy that doesn't define a label in order to great a .ga file without output + # labels (which is completely normal). + return not label or label.startswith("_anonymous_output_")