Commit 7c6827f7 authored by Kazuhiko Shiozaki's avatar Kazuhiko Shiozaki

Make buildout.rmtree working with symlink as a path argument.

ref https://bugs.launchpad.net/zc.buildout/+bug/144228 .
parent 4dbd6830
......@@ -24,6 +24,8 @@ def rmtree (path):
read only file.
This tries to chmod the file to writeable and retries before giving up.
Also it tries to remove symlink itself if a symlink as passed as
path argument.
>>> from tempfile import mkdtemp
Let's make a directory ...
......@@ -39,6 +41,8 @@ def rmtree (path):
>>> foo = os.path.join (d, 'foo')
>>> _ = open (foo, 'w').write ('huhu')
>>> bar = os.path.join (d, 'bar')
>>> os.symlink(bar, bar)
and make it unwriteable
......@@ -50,12 +54,47 @@ def rmtree (path):
and now the directory is gone
>>> os.path.isdir (d)
0
Let's make a directory ...
>>> d = mkdtemp()
and make sure it is actually there
>>> os.path.isdir (d)
1
Now create a broken symlink ...
>>> foo = os.path.join (d, 'foo')
>>> os.symlink(foo + '.not_exist', foo)
rmtree should be able to remove it:
>>> rmtree (foo)
and now the directory is gone
>>> os.path.isdir (foo)
0
cleanup directory
>>> rmtree (d)
and now the directory is gone
>>> os.path.isdir (d)
0
"""
def retry_writeable (func, path, exc):
os.chmod (path, 384) # 0600
func (path)
if func == os.path.islink:
os.unlink(path)
else:
os.chmod (path, 384) # 0600
func (path)
shutil.rmtree (path, onerror = retry_writeable)
......
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