summaryrefslogtreecommitdiff
path: root/Lib/shutil.py
diff options
context:
space:
mode:
authorRaymond Hettinger <python@rcn.com>2002-09-08 20:43:59 +0000
committerRaymond Hettinger <python@rcn.com>2002-09-08 20:43:59 +0000
commit57e79459fa872c4fc1724e34b9d2f90d53aac818 (patch)
tree8fbc16ff278a45db195eb98c8a6921cbdaf9a5c3 /Lib/shutil.py
parent513069028fed8a43474a86bfa823bbd0753deca1 (diff)
downloadcpython-git-57e79459fa872c4fc1724e34b9d2f90d53aac818.tar.gz
shutil.copyfile(src,dst) was clobbering the file when the src and dst were
the same. Added check to verify the two names are not the same. Does not check the actual files to see if there is a symbolic link. Closes SF bug 490165 and Tzot's patch 604600.
Diffstat (limited to 'Lib/shutil.py')
-rw-r--r--Lib/shutil.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/shutil.py b/Lib/shutil.py
index 3076be92e1..0e60870957 100644
--- a/Lib/shutil.py
+++ b/Lib/shutil.py
@@ -24,6 +24,11 @@ def copyfile(src, dst):
"""Copy data from src to dst"""
fsrc = None
fdst = None
+ # check for same pathname; all platforms
+ _src = os.path.normcase(os.path.abspath(src))
+ _dst = os.path.normcase(os.path.abspath(dst))
+ if _src == _dst:
+ return
try:
fsrc = open(src, 'rb')
fdst = open(dst, 'wb')