import glob import os import shutil import sys import unittest from test.support.os_helper import (TESTFN, skip_unless_symlink, can_symlink, create_empty_file, change_cwd) class GlobTests(unittest.TestCase): dir_fd = None def norm(self, *parts): return os.path.normpath(os.path.join(self.tempdir, *parts)) def joins(self, *tuples): return [os.path.join(self.tempdir, *parts) for parts in tuples] def mktemp(self, *parts): filename = self.norm(*parts) base, file = os.path.split(filename) if not os.path.exists(base): os.makedirs(base) create_empty_file(filename) def setUp(self): self.tempdir = TESTFN + "_dir" self.mktemp('a', 'D') self.mktemp('aab', 'F') self.mktemp('.aa', 'G') self.mktemp('.bb', 'H') self.mktemp('aaa', 'zzzF') self.mktemp('ZZZ') self.mktemp('EF') self.mktemp('a', 'bcd', 'EF') self.mktemp('a', 'bcd', 'efg', 'ha') if can_symlink(): os.symlink(self.norm('broken'), self.norm('sym1')) os.symlink('broken', self.norm('sym2')) os.symlink(os.path.join('a', 'bcd'), self.norm('sym3')) if {os.open, os.stat} <= os.supports_dir_fd and os.scandir in os.supports_fd: self.dir_fd = os.open(self.tempdir, os.O_RDONLY | os.O_DIRECTORY) else: self.dir_fd = None def tearDown(self): if self.dir_fd is not None: os.close(self.dir_fd) shutil.rmtree(self.tempdir) def glob(self, *parts, **kwargs): if len(parts) == 1: pattern = parts[0] else: pattern = os.path.join(*parts) p = os.path.join(self.tempdir, pattern) res = glob.glob(p, **kwargs) self.assertCountEqual(glob.iglob(p, **kwargs), res) bres = [os.fsencode(x) for x in res] self.assertCountEqual(glob.glob(os.fsencode(p), **kwargs), bres) self.assertCountEqual(glob.iglob(os.fsencode(p), **kwargs), bres) with change_cwd(self.tempdir): res2 = glob.glob(pattern, **kwargs) for x in res2: self.assertFalse(os.path.isabs(x), x) if pattern == '**' or pattern == '**' + os.sep: expected = res[1:] else: expected = res self.assertCountEqual([os.path.join(self.tempdir, x) for x in res2], expected) self.assertCountEqual(glob.iglob(pattern, **kwargs), res2) bpattern = os.fsencode(pattern) bres2 = [os.fsencode(x) for x in res2] self.assertCountEqual(glob.glob(bpattern, **kwargs), bres2) self.assertCountEqual(glob.iglob(bpattern, **kwargs), bres2) self.assertCountEqual(glob.glob(pattern, root_dir=self.tempdir, **kwargs), res2) self.assertCountEqual(glob.iglob(pattern, root_dir=self.tempdir, **kwargs), res2) btempdir = os.fsencode(self.tempdir) self.assertCountEqual( glob.glob(bpattern, root_dir=btempdir, **kwargs), bres2) self.assertCountEqual( glob.iglob(bpattern, root_dir=btempdir, **kwargs), bres2) if self.dir_fd is not None: self.assertCountEqual( glob.glob(pattern, dir_fd=self.dir_fd, **kwargs), res2) self.assertCountEqual( glob.iglob(pattern, dir_fd=self.dir_fd, **kwargs), res2) self.assertCountEqual( glob.glob(bpattern, dir_fd=self.dir_fd, **kwargs), bres2) self.assertCountEqual( glob.iglob(bpattern, dir_fd=self.dir_fd, **kwargs), bres2) return res def assertSequencesEqual_noorder(self, l1, l2): l1 = list(l1) l2 = list(l2) self.assertEqual(set(l1), set(l2)) self.assertEqual(sorted(l1), sorted(l2)) def test_glob_literal(self): eq = self.assertSequencesEqual_noorder eq(self.glob('a'), [self.norm('a')]) eq(self.glob('a', 'D'), [self.norm('a', 'D')]) eq(self.glob('aab'), [self.norm('aab')]) eq(self.glob('zymurgy'), []) res = glob.glob('*') self.assertEqual({type(r) for r in res}, {str}) res = glob.glob(os.path.join(os.curdir, '*')) self.assertEqual({type(r) for r in res}, {str}) res = glob.glob(b'*') self.assertEqual({type(r) for r in res}, {bytes}) res = glob.glob(os.path.join(os.fsencode(os.curdir), b'*')) self.assertEqual({type(r) for r in res}, {bytes}) def test_glob_empty_pattern(self): self.assertEqual(glob.glob(''), []) self.assertEqual(glob.glob(b''), []) self.assertEqual(glob.glob('', root_dir=self.tempdir), []) self.assertEqual(glob.glob(b'', root_dir=os.fsencode(self.tempdir)), []) self.assertEqual(glob.glob('', dir_fd=self.dir_fd), []) self.assertEqual(glob.glob(b'', dir_fd=self.dir_fd), []) def test_glob_one_directory(self): eq = self.assertSequencesEqual_noorder eq(self.glob('a*'), map(self.norm, ['a', 'aab', 'aaa'])) eq(self.glob('*a'), map(self.norm, ['a', 'aaa'])) eq(self.glob('.*'), map(self.norm, ['.aa', '.bb'])) eq(self.glob('?aa'), map(self.norm, ['aaa'])) eq(self.glob('aa?'), map(self.norm, ['aaa', 'aab'])) eq(self.glob('aa[ab]'), map(self.norm, ['aaa', 'aab'])) eq(self.glob('*q'), []) def test_glob_nested_directory(self): eq = self.assertSequencesEqual_noorder if os.path.normcase("abCD") == "abCD": # case-sensitive filesystem eq(self.glob('a', 'bcd', 'E*'), [self.norm('a', 'bcd', 'EF')]) else: # case insensitive filesystem eq(self.glob('a', 'bcd', 'E*'), [self.norm('a', 'bcd', 'EF'), self.norm('a', 'bcd', 'efg')]) eq(self.glob('a', 'bcd', '*g'), [self.norm('a', 'bcd', 'efg')]) def test_glob_directory_names(self): eq = self.assertSequencesEqual_noorder eq(self.glob('*', 'D'), [self.norm('a', 'D')]) eq(self.glob('*', '*a'), []) eq(self.glob('a', '*', '*', '*a'), [self.norm('a', 'bcd', 'efg', 'ha')]) eq(self.glob('?a?', '*F'), [self.norm('aaa', 'zzzF'), self.norm('aab', 'F')]) def test_glob_directory_with_trailing_slash(self): # Patterns ending with a slash shouldn't match non-dirs res = glob.glob(self.norm('Z*Z') + os.sep) self.assertEqual(res, []) res = glob.glob(self.norm('ZZZ') + os.sep) self.assertEqual(res, []) # When there is a wildcard pattern which ends with os.sep, glob() # doesn't blow up. res = glob.glob(self.norm('aa*') + os.sep) self.assertEqual(len(res), 2) # either of these results is reasonable self.assertIn(set(res), [ {self.norm('aaa'), self.norm('aab')}, {self.norm('aaa') + os.sep, self.norm('aab') + os.sep}, ]) def test_glob_bytes_directory_with_trailing_slash(self): # Same as test_glob_directory_with_trailing_slash, but with a # bytes argument. res = glob.glob(os.fsencode(self.norm('Z*Z') + os.sep)) self.assertEqual(res, []) res = glob.glob(os.fsencode(self.norm('ZZZ') + os.sep)) self.assertEqual(res, []) res = glob.glob(os.fsencode(self.norm('aa*') + os.sep)) self.assertEqual(len(res), 2) # either of these results is reasonable self.assertIn(set(res), [ {os.fsencode(self.norm('aaa')), os.fsencode(self.norm('aab'))}, {os.fsencode(self.norm('aaa') + os.sep), os.fsencode(self.norm('aab') + os.sep)}, ]) @skip_unless_symlink def test_glob_symlinks(self): eq = self.assertSequencesEqual_noorder eq(self.glob('sym3'), [self.norm('sym3')]) eq(self.glob('sym3', '*'), [self.norm('sym3', 'EF'), self.norm('sym3', 'efg')]) self.assertIn(self.glob('sym3' + os.sep), [[self.norm('sym3')], [self.norm('sym3') + os.sep]]) eq(self.glob('*', '*F'), [self.norm('aaa', 'zzzF'), self.norm('aab', 'F'), self.norm('sym3', 'EF')]) @skip_unless_symlink def test_glob_broken_symlinks(self): eq = self.assertSequencesEqual_noorder eq(self.glob('sym*'), [self.norm('sym1'), self.norm('sym2'), self.norm('sym3')]) eq(self.glob('sym1'), [self.norm('sym1')]) eq(self.glob('sym2'), [self.norm('sym2')]) @unittest.skipUnless(sys.platform == "win32", "Win32 specific test") def test_glob_magic_in_drive(self): eq = self.assertSequencesEqual_noorder eq(glob.glob('*:'), []) eq(glob.glob(b'*:'), []) eq(glob.glob('?:'), []) eq(glob.glob(b'?:'), []) eq(glob.glob('\\\\?\\c:\\'), ['\\\\?\\c:\\']) eq(glob.glob(b'\\\\?\\c:\\'), [b'\\\\?\\c:\\']) eq(glob.glob('\\\\*\\*\\'), []) eq(glob.glob(b'\\\\*\\*\\'), []) def check_escape(self, arg, expected): self.assertEqual(glob.escape(arg), expected) self.assertEqual(glob.escape(os.fsencode(arg)), os.fsencode(expected)) def test_escape(self): check = self.check_escape check('abc', 'abc') check('[', '[[]') check('?', '[?]') check('*', '[*]') check('[[_/*?*/_]]', '[[][[]_/[*][?][*]/_]]') check('/[[_/*?*/_]]/', '/[[][[]_/[*][?][*]/_]]/') @unittest.skipUnless(sys.platform == "win32", "Win32 specific test") def test_escape_windows(self): check = self.check_escape check('?:?', '?:[?]') check('*:*', '*:[*]') check(r'\\?\c:\?', r'\\?\c:\[?]') check(r'\\*\*\*', r'\\*\*\[*]') check('//?/c:/?', '//?/c:/[?]') check('//*/*/*', '//*/*/[*]') def rglob(self, *parts, **kwargs): return self.glob(*parts, recursive=True, **kwargs) def test_recursive_glob(self): eq = self.assertSequencesEqual_noorder full = [('EF',), ('ZZZ',), ('a',), ('a', 'D'), ('a', 'bcd'), ('a', 'bcd', 'EF'), ('a', 'bcd', 'efg'), ('a', 'bcd', 'efg', 'ha'), ('aaa',), ('aaa', 'zzzF'), ('aab',), ('aab', 'F'), ] if can_symlink(): full += [('sym1',), ('sym2',), ('sym3',), ('sym3', 'EF'), ('sym3', 'efg'), ('sym3', 'efg', 'ha'), ] eq(self.rglob('**'), self.joins(('',), *full)) eq(self.rglob(os.curdir, '**'), self.joins((os.curdir, ''), *((os.curdir,) + i for i in full))) dirs = [('a', ''), ('a', 'bcd', ''), ('a', 'bcd', 'efg', ''), ('aaa', ''), ('aab', '')] if can_symlink(): dirs += [('sym3', ''), ('sym3', 'efg', '')] eq(self.rglob('**', ''), self.joins(('',), *dirs)) eq(self.rglob('a', '**'), self.joins( ('a', ''), ('a', 'D'), ('a', 'bcd'), ('a', 'bcd', 'EF'), ('a', 'bcd', 'efg'), ('a', 'bcd', 'efg', 'ha'))) eq(self.rglob('a**'), self.joins(('a',), ('aaa',), ('aab',))) expect = [('a', 'bcd', 'EF'), ('EF',)] if can_symlink(): expect += [('sym3', 'EF')] eq(self.rglob('**', 'EF'), self.joins(*expect)) expect = [('a', 'bcd', 'EF'), ('aaa', 'zzzF'), ('aab', 'F'), ('EF',)] if can_symlink(): expect += [('sym3', 'EF')] eq(self.rglob('**', '*F'), self.joins(*expect)) eq(self.rglob('**', '*F', ''), []) eq(self.rglob('**', 'bcd', '*'), self.joins( ('a', 'bcd', 'EF'), ('a', 'bcd', 'efg'))) eq(self.rglob('a', '**', 'bcd'), self.joins(('a', 'bcd'))) with change_cwd(self.tempdir): join = os.path.join eq(glob.glob('**', recursive=True), [join(*i) for i in full]) eq(glob.glob(join('**', ''), recursive=True), [join(*i) for i in dirs]) eq(glob.glob(join('**', '*'), recursive=True), [join(*i) for i in full]) eq(glob.glob(join(os.curdir, '**'), recursive=True), [join(os.curdir, '')] + [join(os.curdir, *i) for i in full]) eq(glob.glob(join(os.curdir, '**', ''), recursive=True), [join(os.curdir, '')] + [join(os.curdir, *i) for i in dirs]) eq(glob.glob(join(os.curdir, '**', '*'), recursive=True), [join(os.curdir, *i) for i in full]) eq(glob.glob(join('**','zz*F'), recursive=True), [join('aaa', 'zzzF')]) eq(glob.glob('**zz*F', recursive=True), []) expect = [join('a', 'bcd', 'EF'), 'EF'] if can_symlink(): expect += [join('sym3', 'EF')] eq(glob.glob(join('**', 'EF'), recursive=True), expect) def test_glob_many_open_files(self): depth = 30 base = os.path.join(self.tempdir, 'deep') p = os.path.join(base, *(['d']*depth)) os.makedirs(p) pattern = os.path.join(base, *(['*']*depth)) iters = [glob.iglob(pattern, recursive=True) for j in range(100)] for it in iters: self.assertEqual(next(it), p) pattern = os.path.join(base, '**', 'd') iters = [glob.iglob(pattern, recursive=True) for j in range(100)] p = base for i in range(depth): p = os.path.join(p, 'd') for it in iters: self.assertEqual(next(it), p) @skip_unless_symlink class SymlinkLoopGlobTests(unittest.TestCase): def test_selflink(self): tempdir = TESTFN + "_dir" os.makedirs(tempdir) self.addCleanup(shutil.rmtree, tempdir) with change_cwd(tempdir): os.makedirs('dir') create_empty_file(os.path.join('dir', 'file')) os.symlink(os.curdir, os.path.join('dir', 'link')) results = glob.glob('**', recursive=True) self.assertEqual(len(results), len(set(results))) results = set(results) depth = 0 while results: path = os.path.join(*(['dir'] + ['link'] * depth)) self.assertIn(path, results) results.remove(path) if not results: break path = os.path.join(path, 'file') self.assertIn(path, results) results.remove(path) depth += 1 results = glob.glob(os.path.join('**', 'file'), recursive=True) self.assertEqual(len(results), len(set(results))) results = set(results) depth = 0 while results: path = os.path.join(*(['dir'] + ['link'] * depth + ['file'])) self.assertIn(path, results) results.remove(path) depth += 1 results = glob.glob(os.path.join('**', ''), recursive=True) self.assertEqual(len(results), len(set(results))) results = set(results) depth = 0 while results: path = os.path.join(*(['dir'] + ['link'] * depth + [''])) self.assertIn(path, results) results.remove(path) depth += 1 if __name__ == "__main__": unittest.main()