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Batuhan Osman TASKAYA
cpython
Commits
22a594a0
Kaydet (Commit)
22a594a0
authored
Nis 13, 2017
tarafından
Armin Rigo
Kaydeden (comit)
Mariatta
Nis 13, 2017
Dosyalara gözat
Seçenekler
Dosyalara Gözat
İndir
Eposta Yamaları
Sade Fark
bpo-29694: race condition in pathlib mkdir with flags parents=True (GH-1089)
üst
5908300e
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Showing
3 changed files
with
36 additions
and
2 deletions
+36
-2
pathlib.py
Lib/pathlib.py
+2
-2
test_pathlib.py
Lib/test/test_pathlib.py
+30
-0
NEWS
Misc/NEWS
+4
-0
No files found.
Lib/pathlib.py
Dosyayı görüntüle @
22a594a0
...
...
@@ -1217,8 +1217,8 @@ class Path(PurePath):
except
FileNotFoundError
:
if
not
parents
or
self
.
parent
==
self
:
raise
self
.
parent
.
mkdir
(
parents
=
True
)
self
.
_accessor
.
mkdir
(
self
,
mode
)
self
.
parent
.
mkdir
(
parents
=
True
,
exist_ok
=
True
)
self
.
mkdir
(
mode
,
parents
=
False
,
exist_ok
=
exist_ok
)
except
OSError
:
# Cannot rely on checking for EEXIST, since the operating system
# could give priority to other errors like EACCES or EROFS
...
...
Lib/test/test_pathlib.py
Dosyayı görüntüle @
22a594a0
...
...
@@ -8,6 +8,7 @@ import socket
import
stat
import
tempfile
import
unittest
from
unittest
import
mock
from
test
import
support
android_not_root
=
support
.
android_not_root
...
...
@@ -1801,6 +1802,35 @@ class _BasePathTest(object):
p
.
mkdir
(
exist_ok
=
True
)
self
.
assertEqual
(
cm
.
exception
.
errno
,
errno
.
EEXIST
)
def
test_mkdir_concurrent_parent_creation
(
self
):
for
pattern_num
in
range
(
32
):
p
=
self
.
cls
(
BASE
,
'dirCPC
%
d'
%
pattern_num
)
self
.
assertFalse
(
p
.
exists
())
def
my_mkdir
(
path
,
mode
=
0
o777
):
path
=
str
(
path
)
# Emulate another process that would create the directory
# just before we try to create it ourselves. We do it
# in all possible pattern combinations, assuming that this
# function is called at most 5 times (dirCPC/dir1/dir2,
# dirCPC/dir1, dirCPC, dirCPC/dir1, dirCPC/dir1/dir2).
if
pattern
.
pop
():
os
.
mkdir
(
path
,
mode
)
# from another process
concurrently_created
.
add
(
path
)
os
.
mkdir
(
path
,
mode
)
# our real call
pattern
=
[
bool
(
pattern_num
&
(
1
<<
n
))
for
n
in
range
(
5
)]
concurrently_created
=
set
()
p12
=
p
/
'dir1'
/
'dir2'
try
:
with
mock
.
patch
(
"pathlib._normal_accessor.mkdir"
,
my_mkdir
):
p12
.
mkdir
(
parents
=
True
,
exist_ok
=
False
)
except
FileExistsError
:
self
.
assertIn
(
str
(
p12
),
concurrently_created
)
else
:
self
.
assertNotIn
(
str
(
p12
),
concurrently_created
)
self
.
assertTrue
(
p
.
exists
())
@support.skip_unless_symlink
def
test_symlink_to
(
self
):
P
=
self
.
cls
(
BASE
)
...
...
Misc/NEWS
Dosyayı görüntüle @
22a594a0
...
...
@@ -306,6 +306,10 @@ Extension Modules
Library
-------
- bpo-29694: Fixed race condition in pathlib mkdir with flags
parents=True. Patch by Armin Rigo.
- bpo-29692: Fixed arbitrary unchaining of RuntimeError exceptions in
contextlib.contextmanager.
Patch by Siddharth Velankar.
...
...
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