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DM-33902 Long chained collections print badly via CLI #20

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Mar 24, 2022
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DM-33902 Long chained collections print badly via CLI #20

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11 changes: 10 additions & 1 deletion tests/test_butler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,16 @@ def _get_datasets_from_chain(self, chain, datasetType=...):
Datasets are all unresolved.
"""
collections = list(self.butler.registry.queryCollections(chain, flattenChains=True))
run = collections.pop(0)
# Choose the collection to query, and query datasets in that
# collection.
# The collection to query datasets from will be named "demo_collection"
# or "demo_collection_exe/YYYMMDD" (the exe collection is inserted in
# run_demo.sh). Collections will only contain one or the other (and no
# other collections named "demo_colleciton") so it is enough to just
# find the one with the name that contains "demo_collection" and use
# search it to resolve the other datasets.
run = next(c for c in collections if "demo_collection" in c)
collections.remove(run)
print(f"Retrieving datasets from run {run}")

unresolved = {ref.unresolved() for ref in self.butler.registry.queryDatasets(datasetType=datasetType,
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