diff options
| -rw-r--r-- | Lib/shutil.py | 60 | ||||
| -rw-r--r-- | Lib/test/test_shutil.py | 31 |
2 files changed, 61 insertions, 30 deletions
diff --git a/Lib/shutil.py b/Lib/shutil.py index 533110ad43..5bc4377fcf 100644 --- a/Lib/shutil.py +++ b/Lib/shutil.py @@ -127,39 +127,45 @@ def copytree(src, dst, symlinks=False): if errors: raise Error, errors -def _raise_err(err): - raise err - def rmtree(path, ignore_errors=False, onerror=None): """Recursively delete a directory tree. - If ignore_errors is set, errors are ignored; otherwise, if - onerror is set, it is called to handle the error; otherwise, an - exception is raised. + If ignore_errors is set, errors are ignored; otherwise, if onerror + is set, it is called to handle the error with arguments (func, + path, exc_info) where func is os.listdir, os.remove, or os.rmdir; + path is the argument to that function that caused it to fail; and + exc_info is a tuple returned by sys.exc_info(). If ignore_errors + is false and onerror is None, an exception is raised. + """ - # This strange way of calling functions is necessary to keep the onerror - # argument working. Maybe sys._getframe hackery would work as well, but - # this is simple. - func = os.listdir - arg = path - try: - for (dirpath, dirnames, filenames) in os.walk(path, topdown=False, - onerror=_raise_err): - for filename in filenames: - func = os.remove - arg = os.path.join(dirpath, filename) - func(arg) - func = os.rmdir - arg = dirpath - func(arg) - except OSError: - exc = sys.exc_info() - if ignore_errors: + if ignore_errors: + def onerror(*args): pass - elif onerror is not None: - onerror(func, arg, exc) + elif onerror is None: + def onerror(*args): + raise + names = [] + try: + names = os.listdir(path) + except os.error, err: + onerror(os.listdir, path, sys.exc_info()) + for name in names: + fullname = os.path.join(path, name) + try: + mode = os.lstat(fullname).st_mode + except os.error: + mode = 0 + if stat.S_ISDIR(mode): + rmtree(fullname, ignore_errors, onerror) else: - raise exc[0], (exc[1][0], exc[1][1] + ' removing '+arg) + try: + os.remove(fullname) + except os.error, err: + onerror(os.remove, fullname, sys.exc_info()) + try: + os.rmdir(path) + except os.error: + onerror(os.rmdir, path, sys.exc_info()) def move(src, dst): """Recursively move a file or directory to another location. diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py index f8367a60c2..d6160c6b40 100644 --- a/Lib/test/test_shutil.py +++ b/Lib/test/test_shutil.py @@ -1,8 +1,10 @@ + # Copyright (C) 2003 Python Software Foundation import unittest import shutil import tempfile +import stat import os import os.path from test import test_support @@ -13,8 +15,32 @@ class TestShutil(unittest.TestCase): # filename is guaranteed not to exist filename = tempfile.mktemp() self.assertRaises(OSError, shutil.rmtree, filename) - self.assertEqual(shutil.rmtree(filename, True), None) - shutil.rmtree(filename, False, lambda func, arg, exc: None) + + if hasattr(os, 'chmod'): + def test_on_error(self): + self.errorState = 0 + os.mkdir(TESTFN) + f = open(os.path.join(TESTFN, 'a'), 'w') + f.close() + # Make TESTFN unwritable. + os.chmod(TESTFN, stat.S_IRUSR) + + shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror) + + # Make TESTFN writable again. + os.chmod(TESTFN, stat.S_IRWXU) + shutil.rmtree(TESTFN) + + def check_args_to_onerror(self, func, arg, exc): + if self.errorState == 0: + self.assertEqual(func, os.remove) + self.assertEqual(arg, os.path.join(TESTFN, 'a')) + self.assertEqual(exc[0], OSError) + self.errorState = 1 + else: + self.assertEqual(func, os.rmdir) + self.assertEqual(arg, TESTFN) + self.assertEqual(exc[0], OSError) def test_rmtree_dont_delete_file(self): # When called on a file instead of a directory, don't delete it. @@ -63,7 +89,6 @@ class TestShutil(unittest.TestCase): except OSError: pass - def test_main(): test_support.run_unittest(TestShutil) |