Staging
v0.8.1
v0.8.1
Revision f9952b2083e2e122838d67c8061b3ddf69b25d8d authored by Thomas Wouters on 27 June 2001, 14:02:14 UTC, committed by Thomas Wouters on 27 June 2001, 14:02:14 UTC
SF bug 430991: wrong co_lnotab Armin Rigo pointed out that the way the line-# table got built didn't work for lines generating more than 255 bytes of bytecode. Fixed as he suggested, plus corresponding changes to pyassem.py, plus added some long overdue docs about this subtle table to compile.c.
1 parent 5829456
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, []
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] + '/'
Computing file changes ...