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Issue #9993: When the source and destination are on different filesystems,

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and the source is a symlink, shutil.move() now recreates a symlink on the
destination instead of copying the file contents.
Patch by Jonathan Niehof and Hynek Schlawack.
This commit is contained in:
Antoine Pitrou 2012-01-06 20:16:19 +01:00
parent deec7566ae
commit 0a08d7a095
5 changed files with 64 additions and 3 deletions
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43
Lib/test/test_shutil.py
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@ -1104,6 +1104,49 @@ class TestMove(unittest.TestCase):
finally:
shutil.rmtree(TESTFN, ignore_errors=True)
@support.skip_unless_symlink
@mock_rename
def test_move_file_symlink(self):
dst = os.path.join(self.src_dir, 'bar')
os.symlink(self.src_file, dst)
shutil.move(dst, self.dst_file)
self.assertTrue(os.path.islink(self.dst_file))
self.assertTrue(os.path.samefile(self.src_file, self.dst_file))
@support.skip_unless_symlink
@mock_rename
def test_move_file_symlink_to_dir(self):
filename = "bar"
dst = os.path.join(self.src_dir, filename)
os.symlink(self.src_file, dst)
shutil.move(dst, self.dst_dir)
final_link = os.path.join(self.dst_dir, filename)
self.assertTrue(os.path.islink(final_link))
self.assertTrue(os.path.samefile(self.src_file, final_link))
@support.skip_unless_symlink
@mock_rename
def test_move_dangling_symlink(self):
src = os.path.join(self.src_dir, 'baz')
dst = os.path.join(self.src_dir, 'bar')
os.symlink(src, dst)
dst_link = os.path.join(self.dst_dir, 'quux')
shutil.move(dst, dst_link)
self.assertTrue(os.path.islink(dst_link))
self.assertEqual(os.path.realpath(src), os.path.realpath(dst_link))
@support.skip_unless_symlink
@mock_rename
def test_move_dir_symlink(self):
src = os.path.join(self.src_dir, 'baz')
dst = os.path.join(self.src_dir, 'bar')
os.mkdir(src)
os.symlink(src, dst)
dst_link = os.path.join(self.dst_dir, 'quux')
shutil.move(dst, dst_link)
self.assertTrue(os.path.islink(dst_link))
self.assertTrue(os.path.samefile(src, dst_link))
class TestCopyFile(unittest.TestCase):