Skip to main content

Browse the archive

Staging
v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 8731e5c35f26bfb34da454e4da673051a4bcbe48 authored by Guido van Rossum on 07 October 1997, 14:55:11 UTC, committed by Guido van Rossum on 07 October 1997, 14:55:11 UTC 
The target directory is now called dos-8x3, not dos_8x3.
1 parent 04d73c4
Raw File
Tip revision: 8731e5c35f26bfb34da454e4da673051a4bcbe48 authored by Guido van Rossum on 07 October 1997, 14:55:11 UTC
The target directory is now called dos-8x3, not dos_8x3.
Tip revision: 8731e5c
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] + '/'
back to top