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finalizer #47866
Description
| BPO | 3616 |
|---|---|
| Nosy | @pitrou, @vstinner, @Kentzo |
| Superseder |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = <Date 2008-08-20.09:36:39.218>
created_at = <Date 2008-08-20.09:00:58.040>
labels = ['library']
title = 'finalizer'
updated_at = <Date 2015-07-18.07:43:06.162>
user = 'https://github.com/vstinner'bugs.python.org fields:
activity = <Date 2015-07-18.07:43:06.162>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2008-08-20.09:36:39.218>
closer = 'pitrou'
components = ['Library (Lib)']
creation = <Date 2008-08-20.09:00:58.040>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 3616
keywords = []
message_count = 6.0
messages = ['71521', '71524', '72084', '72088', '246888', '246889']
nosy_count = 3.0
nosy_names = ['pitrou', 'vstinner', 'Ilya.Kulakov']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = None
status = 'closed'
superseder = '3187'
type = None
url = 'https://bugs.python.org/issue3616'
versions = ['Python 2.5', 'Python 3.0']
Activity
vstinner commentedon Aug 20, 2008
If the directory contains invalid filenames (invalid in the system
charset), an exception is raised by os.path.join() used by
shutil.rmtree():
name is an bytes object, not a str object. My system charset is utf-8.
Example to reproduce the problem:
mkdir x
# create a file with an invalid name
touch -- $(echo -e 'x/--\0250--')
python -c "import shutils; shutil.rmtree('x')"
=> TypeError: expected an object with the buffer interface
pitrou commentedon Aug 20, 2008
This is certainly a consequence of bpo-3187, which is very high priority
but also very difficult to find a satisying solution to.
vstinner commentedon Aug 28, 2008
Python 2.5 has the same problem (at least, on Linux). rmtree(<unicode
directory name>) fails if the directory contains invalid unicode
string. Backtrace:
---
File "shutil.py", line 163, in rmtree
fullname = os.path.join(path, name)
File "posixpath.py", line 65, in join
path += '/' + b
UnicodeDecodeError: 'ascii' codec can't decode byte 0xac in position
3: ordinal not in range(128)
---
The filename:
$ ls /tmp/run-3/exitcode1/run-4/run-1/session-2/
?I?#??????????|?*? Pum
The instruction was
rmtree(u"/tmp/run-3/exitcode1/run-4/run-1/session-2").
pitrou commentedon Aug 28, 2008
Selon STINNER Victor <[email protected]>:
Well, I'm not sure we should call it the same problem, although the roots are
the same. The difference is that in 2.x, using bytes strings for file and
directory names is quite normal, especially under Linux where they are just
bytes at the OS level. In 3.0 though, those strings are supposed to be unicode
at the Python level, which makes the problem much more critical.
Kentzo commentedon Jul 18, 2015
This issue is marked as closed as a duplicate without a reference to the original task.
I still have this issues on Python 3.4.2, on Windows when shutil.rmtree fails to
[-]shutil.rmtree() fails on invalid filename[/-][+]finalizer[/+]vstinner commentedon Jul 18, 2015
Hi, the issue was fixed in Python 3. On Windows, you must use Unicode.
Otherwise, you can get errors like that. On other platforms, Unicode is now
also the best choice on Python 3.
See the second message for the superseder issue.