dircache
— 缓存目录列表
¶
Deprecated since version 2.6:
The
dircache
module has been removed in Python 3.
The
dircache
module defines a function for reading directory listing using a cache, and cache invalidation using the
mtime
of the directory. Additionally, it defines a function to annotate directories by appending a slash.
The
dircache
模块定义了下列函数：
dircache.
reset
(
)
¶
Resets the directory cache.
dircache.
listdir
(
path
)
¶
Return a directory listing of
path
, as gotten from
os.listdir()
. Note that unless
path
changes, further call to
listdir()
will not re-read the directory structure.
Note that the list returned should be regarded as read-only. (Perhaps a future version should change it to return a tuple?)
dircache.
annotate
(
head
,
list
)
¶
Assume
list
is a list of paths relative to
head
, and append, in place, a
'/'
to each path which points to a directory.
>>> import dircache >>> a = dircache.listdir('/') >>> a = a[:] # Copy the return value so we can change 'a' >>> a ['bin', 'boot', 'cdrom', 'dev', 'etc', 'floppy', 'home', 'initrd', 'lib', 'lost+ found', 'mnt', 'proc', 'root', 'sbin', 'tmp', 'usr', 'var', 'vmlinuz'] >>> dircache.annotate('/', a) >>> a ['bin/', 'boot/', 'cdrom/', 'dev/', 'etc/', 'floppy/', 'home/', 'initrd/', 'lib/ ', 'lost+found/', 'mnt/', 'proc/', 'root/', 'sbin/', 'tmp/', 'usr/', 'var/', 'vm linuz']