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v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 61e7ce8b834f3777da38c06a4718d0bb0e522248 authored by Kurt B. Kaiser on 23 August 2005, 17:38:56 UTC, committed by Kurt B. Kaiser on 23 August 2005, 17:38:56 UTC 
- Mac line endings were incorrect when pasting code from some browsers
 
  when using X11 and the Fink distribution.  Python Bug 1263656.
Modified Files:
   Tag: release24-maint
 	NEWS.txt ScriptBinding.py
1 parent 08be9dc
Raw File
Tip revision: 61e7ce8b834f3777da38c06a4718d0bb0e522248 authored by Kurt B. Kaiser on 23 August 2005, 17:38:56 UTC
- Mac line endings were incorrect when pasting code from some browsers
Tip revision: 61e7ce8
dircache.py 
"""Read and cache directory listings.

The listdir() routine returns a sorted list of the files in a directory,
using a cache to avoid reading the directory more often than necessary.
The annotate() routine appends slashes to directories."""

import os

__all__ = ["listdir", "opendir", "annotate", "reset"]

cache = {}

def reset():
    """Reset the cache completely."""
    global cache
    cache = {}

def listdir(path):
    """List directory contents, using cache."""
    try:
        cached_mtime, list = cache[path]
        del cache[path]
    except KeyError:
        cached_mtime, list = -1, []
    mtime = os.stat(path).st_mtime
    if mtime != cached_mtime:
        list = os.listdir(path)
        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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