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from distutils.dep_util import newer_group | |
# yes, this is was almost entirely copy-pasted from | |
# 'newer_pairwise()', this is just another convenience | |
# function. | |
def newer_pairwise_group(sources_groups, targets): | |
"""Walk both arguments in parallel, testing if each source group is newer | |
than its corresponding target. Returns a pair of lists (sources_groups, | |
targets) where sources is newer than target, according to the semantics | |
of 'newer_group()'. | |
""" | |
if len(sources_groups) != len(targets): | |
raise ValueError( | |
"'sources_group' and 'targets' must be the same length") | |
# build a pair of lists (sources_groups, targets) where source is newer | |
n_sources = [] | |
n_targets = [] | |
for i in range(len(sources_groups)): | |
if newer_group(sources_groups[i], targets[i]): | |
n_sources.append(sources_groups[i]) | |
n_targets.append(targets[i]) | |
return n_sources, n_targets | |