1 """Read and cache directory listings.
3 The listdir() routine returns a sorted list of the files in a directory,
4 using a cache to avoid reading the directory more often than necessary.
5 The annotate() routine appends slashes to directories."""
6 from warnings import warnpy3k
7 warnpy3k("the dircache module has been removed in Python 3.0", stacklevel=2)
12 __all__ = ["listdir", "opendir", "annotate", "reset"]
17 """Reset the cache completely."""
22 """List directory contents, using cache."""
24 cached_mtime, list = cache[path]
27 cached_mtime, list = -1, []
28 mtime = os.stat(path).st_mtime
29 if mtime != cached_mtime:
30 list = os.listdir(path)
32 cache[path] = mtime, list
35 opendir = listdir # XXX backward compatibility
37 def annotate(head, list):
38 """Add '/' suffixes to directories."""
39 for i in range(len(list)):
40 if os.path.isdir(os.path.join(head, list[i])):
41 list[i] = list[i] + '/'