mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-31 23:23:11 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Bug #1560179: speed up posixpath.(dir|base)name

Browse source
This commit is contained in:
Georg Brandl 2006-10-12 13:08:16 +00:00
parent 8134d06e08
commit 65ad043ea3
1 changed files with 9 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Lib/posixpath.py
View file

@ -106,18 +106,23 @@ def splitdrive(p):
return '', p return '', p
# Return the tail (basename) part of a path. # Return the tail (basename) part of a path, same as split(path)[1].
def basename(p): def basename(p):
"""Returns the final component of a pathname""" """Returns the final component of a pathname"""
return split(p)[1] i = p.rfind('/') + 1
return p[i:]
# Return the head (dirname) part of a path. # Return the head (dirname) part of a path, same as split(path)[0].
def dirname(p): def dirname(p):
"""Returns the directory component of a pathname""" """Returns the directory component of a pathname"""
return split(p)[0] i = p.rfind('/') + 1
head = p[:i]
if head and head != '/'*len(head):
head = head.rstrip('/')
return head
# Is a path a symbolic link? # Is a path a symbolic link?