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Fixed #6547: Added the ignore_dangling_symlinks option to shutil.copytree

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This commit is contained in:
Tarek Ziadé 2010-04-20 08:57:33 +00:00
parent 0d2fa4a612
commit fb437513d6
4 changed files with 52 additions and 5 deletions
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22
Lib/test/test_shutil.py
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@ -13,7 +13,7 @@ from os.path import splitdrive
from distutils.spawn import find_executable, spawn
from shutil import (_make_tarball, _make_zipfile, make_archive,
register_archive_format, unregister_archive_format,
get_archive_formats)
get_archive_formats, Error)
import tarfile
import warnings
@ -351,6 +351,26 @@ class TestShutil(unittest.TestCase):
shutil.copytree(src_dir, dst_dir, copy_function=_copy)
self.assertEquals(len(copied), 2)
def test_copytree_dangling_symlinks(self):
# a dangling symlink raises an error at the end
src_dir = self.mkdtemp()
dst_dir = os.path.join(self.mkdtemp(), 'destination')
os.symlink('IDONTEXIST', os.path.join(src_dir, 'test.txt'))
os.mkdir(os.path.join(src_dir, 'test_dir'))
self._write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456')
self.assertRaises(Error, shutil.copytree, src_dir, dst_dir)
# a dangling symlink is ignored with the proper flag
dst_dir = os.path.join(self.mkdtemp(), 'destination2')
shutil.copytree(src_dir, dst_dir, ignore_dangling_symlinks=True)
self.assertNotIn('test.txt', os.listdir(dst_dir))
# a dangling symlink is copied if symlinks=True
dst_dir = os.path.join(self.mkdtemp(), 'destination3')
shutil.copytree(src_dir, dst_dir, symlinks=True)
self.assertIn('test.txt', os.listdir(dst_dir))
@unittest.skipUnless(zlib, "requires zlib")
def test_make_tarball(self):
# creating something to tar