def _op_compare(run, index):
"""Returns compare cols for run.
If we can get the current compare cols for the run op source
definition (in the Guild file) we use that, otherwise we use the
run "compare" attr.
"""
return util.find_apply([
lambda: run_util.latest_compare(run),
lambda: _default_run_compare(run, index)
])
def _run_compare_metrics(run):
compare_specs = run_util.latest_compare(run)
if not compare_specs:
return None
metrics = set()
for spec in compare_specs:
try:
select = query.parse_colspec(spec)
except query.ParseError:
pass
else:
metrics.update([col.key for col in select.cols if _is_last_scalar(col)])
return metrics