don't copy files from .data dir of wheels if they already exist

Fixes issue pypa#1362
Infinidat · May 15, 2018 · e3604cd · e3604cd
1 parent e49413f
commit e3604cd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/setuptools/wheel.py b/setuptools/wheel.py
@@ -37,7 +37,8 @@ def unpack(src_dir, dst_dir):
         for f in filenames:
             src = os.path.join(dirpath, f)
             dst = os.path.join(dst_dir, subdir, f)
-            os.renames(src, dst)
+            if not os.path.exists(dst):
+                os.renames(src, dst)
         for n, d in reversed(list(enumerate(dirnames))):
             src = os.path.join(dirpath, d)
             dst = os.path.join(dst_dir, subdir, d)