GIF89a; EcchiShell v1.0
//usr/lib64/lib64/lib64/lib64/python2.7/ os.stat(target)[ST_MTIME] def newer_pairwise(sources, targets): """Walk two filename lists in parallel, testing if each source is newer than its corresponding target. Return a pair of lists (sources, targets) where source is newer than target, according to the semantics of 'newer()'. """ if len(sources) != len(targets): raise ValueError, "'sources' and 'targets' must be same length" # build a pair of lists (sources, targets) where source is newer n_sources = [] n_targets = [] for source, target in zip(sources, targets): if newer(source, target): n_sources.append(source) n_targets.append(target) return n_sources, n_targets def newer_group(sources, target, missing='error'): """Return true if 'target' is out-of-date with respect to any file listed in 'sources'. In other words, if 'target' exists and is newer than every file in 'sources', return false; otherwise return true. 'missing' controls what we do when a source file is missing; the default ("error") is to blow up with an OSError from inside 'stat()'; if it is "ignore", we silently drop any missing source files; if it is "newer", any missing source files make us assume that 'target' is out-of-date (this is handy in "dry-run" mode: it'll make you pretend to carry out commands that wouldn't work because inputs are missing, but that doesn't matter because you're not actually going to run the commands). """ # If the target doesn't even exist, then it's definitely out-of-date. if not os.path.exists(target): return True # Otherwise we have to find out the hard way: if *any* source file # is more recent than 'target', then 'target' is out-of-date and # we can immediately return true. If we fall through to the end # of the loop, then 'target' is up-to-date and we return false. target_mtime = os.stat(target)[ST_MTIME] for source in sources: if not os.path.exists(source): if missing == 'error': # blow up when we stat() the file pass elif missing == 'ignore': # missing source dropped from continue # target's dependency list elif missing == 'newer': # missing source means target is return True # out-of-date if os.stat(source)[ST_MTIME] > target_mtime: return True return False