dep_util.py 949 B

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  1. from distutils.dep_util import newer_group
  2. # yes, this is was almost entirely copy-pasted from
  3. # 'newer_pairwise()', this is just another convenience
  4. # function.
  5. def newer_pairwise_group(sources_groups, targets):
  6. """Walk both arguments in parallel, testing if each source group is newer
  7. than its corresponding target. Returns a pair of lists (sources_groups,
  8. targets) where sources is newer than target, according to the semantics
  9. of 'newer_group()'.
  10. """
  11. if len(sources_groups) != len(targets):
  12. raise ValueError(
  13. "'sources_group' and 'targets' must be the same length")
  14. # build a pair of lists (sources_groups, targets) where source is newer
  15. n_sources = []
  16. n_targets = []
  17. for i in range(len(sources_groups)):
  18. if newer_group(sources_groups[i], targets[i]):
  19. n_sources.append(sources_groups[i])
  20. n_targets.append(targets[i])
  21. return n_sources, n_targets