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#16618: Make glob.glob match consistently across strings and bytes 

Fixes handling of leading dots.

Patch by Serhiy Storchaka.
This commit is contained in:
Hynek Schlawack 2012-12-27 10:10:11 +01:00
parent 57a1233110
commit e26568f812
3 changed files with 58 additions and 29 deletions
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7
Lib/glob.py
View File

@ -58,8 +58,8 @@ def glob1(dirname, pattern):
names = os.listdir(dirname)
except os.error:
return []
if pattern[0] != '.':
names = [x for x in names if x[0] != '.']
if not _ishidden(pattern):
names = [x for x in names if not _ishidden(x)]
return fnmatch.filter(names, pattern)
def glob0(dirname, basename):
@ -83,3 +83,6 @@ def has_magic(s):
else:
match = magic_check.search(s)
return match is not None
def _ishidden(path):
return path[0] in ('.', b'.'[0])

77
Lib/test/test_glob.py
View File

@ -1,9 +1,10 @@
import unittest
from test.support import run_unittest, TESTFN, skip_unless_symlink, can_symlink
import glob
import os
import shutil
import sys
import unittest
from test.support import run_unittest, TESTFN, skip_unless_symlink, can_symlink
class GlobTests(unittest.TestCase):
@ -31,7 +32,8 @@ class GlobTests(unittest.TestCase):
self.mktemp('a', 'bcd', 'efg', 'ha')
if can_symlink():
os.symlink(self.norm('broken'), self.norm('sym1'))
os.symlink(self.norm('broken'), self.norm('sym2'))
os.symlink('broken', self.norm('sym2'))
os.symlink(os.path.join('a', 'bcd'), self.norm('sym3'))
def tearDown(self):
shutil.rmtree(self.tempdir)
@ -44,10 +46,16 @@ class GlobTests(unittest.TestCase):
p = os.path.join(self.tempdir, pattern)
res = glob.glob(p)
self.assertEqual(list(glob.iglob(p)), res)
bres = [os.fsencode(x) for x in res]
self.assertEqual(glob.glob(os.fsencode(p)), bres)
self.assertEqual(list(glob.iglob(os.fsencode(p))), bres)
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
@ -56,15 +64,15 @@ class GlobTests(unittest.TestCase):
eq(self.glob('aab'), [self.norm('aab')])
eq(self.glob('zymurgy'), [])
# test return types are unicode, but only if os.listdir
# returns unicode filenames
uniset = set([str])
tmp = os.listdir('.')
if set(type(x) for x in tmp) == uniset:
u1 = glob.glob('*')
u2 = glob.glob('./*')
self.assertEqual(set(type(r) for r in u1), uniset)
self.assertEqual(set(type(r) for r in u2), uniset)
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_one_directory(self):
eq = self.assertSequencesEqual_noorder
@ -93,20 +101,20 @@ class GlobTests(unittest.TestCase):
eq(self.glob('*', '*a'), [])
eq(self.glob('a', '*', '*', '*a'),
[self.norm('a', 'bcd', 'efg', 'ha')])
eq(self.glob('?a?', '*F'), map(self.norm, [os.path.join('aaa', 'zzzF'),
os.path.join('aab', 'F')]))
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(os.path.join(self.tempdir, 'Z*Z') + os.sep)
res = glob.glob(self.norm('Z*Z') + os.sep)
self.assertEqual(res, [])
res = glob.glob(os.path.join(self.tempdir, 'ZZZ') + os.sep)
res = glob.glob(self.norm('ZZZ') + os.sep)
self.assertEqual(res, [])
# When there is wildcard pattern which ends with os.sep, glob()
# When there is a wildcard pattern which ends with os.sep, glob()
# doesn't blow up.
res = glob.glob(os.path.join(self.tempdir, 'aa*') + os.sep)
res = glob.glob(self.norm('aa*') + os.sep)
self.assertEqual(len(res), 2)
# either of these results are reasonable
# 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},
@ -115,22 +123,37 @@ class GlobTests(unittest.TestCase):
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(os.path.join(self.tempdir, 'Z*Z') + os.sep))
res = glob.glob(os.fsencode(self.norm('Z*Z') + os.sep))
self.assertEqual(res, [])
res = glob.glob(os.fsencode(os.path.join(self.tempdir, 'ZZZ') + os.sep))
res = glob.glob(os.fsencode(self.norm('ZZZ') + os.sep))
self.assertEqual(res, [])
res = glob.glob(os.fsencode(os.path.join(self.tempdir, 'aa*') + os.sep))
res = glob.glob(os.fsencode(self.norm('aa*') + os.sep))
self.assertEqual(len(res), 2)
# either of these results are reasonable
self.assertIn({os.fsdecode(x) for x in res}, [
{self.norm('aaa'), self.norm('aab')},
{self.norm('aaa') + os.sep, self.norm('aab') + os.sep},
# 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')])
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')])

3
Misc/NEWS
View File

@ -179,6 +179,9 @@ Core and Builtins
Library
-------
- Issue #16618: Make glob.glob match consistently across strings and bytes
regarding leading dots. Patch by Serhiy Storchaka.
- Issue #16702: test_urllib2_localnet tests now correctly ignores proxies for
localhost tests.