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v0.5.1
https://github.com/python/cpython
Revision d56924258ad798622f09e5b835de23fabfbd2e3a authored by Fred Drake on 11 December 1997, 21:46:07 UTC, committed by Fred Drake on 11 December 1997, 21:46:07 UTC
	index to cross-references; an image doesn't benefit by being bold!
1 parent 9e32666
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Tip revision: d56924258ad798622f09e5b835de23fabfbd2e3a authored by Fred Drake on 11 December 1997, 21:46:07 UTC
add_idx(): Don't add unnecessary markup around the little markers stuck in the
Tip revision: d569242
dircache.py
# Module 'dircache'
#
# Return a sorted list of the files in a directory, using a cache
# to avoid reading the directory more often than necessary.
# Also contains a subroutine to append slashes to directories.

import os

cache = {}

def listdir(path): # List directory contents, using cache
	try:
		cached_mtime, list = cache[path]
		del cache[path]
	except KeyError:
		cached_mtime, list = -1, []
	try:
		mtime = os.stat(path)[8]
	except os.error:
		return []
	if mtime <> cached_mtime:
		try:
			list = os.listdir(path)
		except os.error:
			return []
		list.sort()
	cache[path] = mtime, list
	return list

opendir = listdir # XXX backward compatibility

def annotate(head, list): # Add '/' suffixes to directories
	for i in range(len(list)):
		if os.path.isdir(os.path.join(head, list[i])):
			list[i] = list[i] + '/'
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