def _diff_archives (archive1, archive2, **kwargs):
"""Show differences between two archives."""
if util.is_same_file(archive1, archive2):
msg = "no differences found: archive `%s' and `%s' are the same files"
print msg % (archive1, archive2)
return 0
diff = util.find_program("diff")
if not diff:
msg = "The diff(1) program is required for showing archive differences, please install it."
raise util.PatoolError(msg)
tmpdir1 = util.tmpdir()
try:
path1 = _handle_archive(archive1, 'extract', outdir=tmpdir1, **kwargs)
tmpdir2 = util.tmpdir()
try:
path2 = _handle_archive(archive2, 'extract', outdir=tmpdir2, **kwargs)
return util.run([diff, "-urN", path1, path2])
finally:
shutil.rmtree(tmpdir2, onerror=rmtree_log_error)
finally:
shutil.rmtree(tmpdir1, onerror=rmtree_log_error)
def test_samefile3 (self):
parentdir = os.path.dirname(__file__)
filename1 = os.path.dirname(parentdir)
filename2 = os.path.join(parentdir, '.')
self.assertFalse(util.is_same_file(filename1, filename2))
self.assertFalse(util.is_same_filename(filename1, filename2))
def test_samefile1 (self):
filename1 = filename2 = __file__
self.assertTrue(util.is_same_filename(filename1, filename2))
self.assertTrue(util.is_same_file(filename1, filename2))
def test_samefile3(self):
parentdir = os.path.dirname(__file__)
filename1 = os.path.dirname(parentdir)
filename2 = os.path.join(parentdir, '.')
self.assertFalse(util.is_same_file(filename1, filename2))
self.assertFalse(util.is_same_filename(filename1, filename2))
def test_samefile1(self):
filename1 = filename2 = __file__
self.assertTrue(util.is_same_filename(filename1, filename2))
self.assertTrue(util.is_same_file(filename1, filename2))
