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open('existing_dir') -> IOError instance's attr filename is None #49014

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zuo mannequin opened this issue Dec 29, 2008 · 2 comments
Closed

open('existing_dir') -> IOError instance's attr filename is None #49014

zuo mannequin opened this issue Dec 29, 2008 · 2 comments
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stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error

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@zuo
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Mannequin

zuo mannequin commented Dec 29, 2008

BPO 4764
Nosy @benjaminp

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 2008-12-29.17:57:18.854>
created_at = <Date 2008-12-29.01:03:51.680>
labels = ['type-bug', 'library']
title = "open('existing_dir') -> IOError instance's attr filename is None"
updated_at = <Date 2008-12-29.17:57:18.853>
user = 'https://bugs.python.org/zuo'

bugs.python.org fields:

activity = <Date 2008-12-29.17:57:18.853>
actor = 'benjamin.peterson'
assignee = 'none'
closed = True
closed_date = <Date 2008-12-29.17:57:18.854>
closer = 'benjamin.peterson'
components = ['Library (Lib)']
creation = <Date 2008-12-29.01:03:51.680>
creator = 'zuo'
dependencies = []
files = []
hgrepos = []
issue_num = 4764
keywords = []
message_count = 2.0
messages = ['78437', '78469']
nosy_count = 2.0
nosy_names = ['benjamin.peterson', 'zuo']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue4764'
versions = ['Python 2.5', 'Python 2.4', 'Python 3.0']
@zuo
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Mannequin Author

zuo mannequin commented Dec 29, 2008 

Py2.4 and 2.5 (and probably other 2.x releases too):
>>> try: f=open('existing_dir')
... except IOError, exc: print exc.filename
...
None
(expected result: "existing_dir")

Py3.0 (and possibly 3.1 too):
>>> try: f=open('existing_dir')
... except IOError as exc: print(exc.filename)
...
None
(expected result: "existing_dir")

But no problems with:
open('existing_dir', 'w')
=> exc.filename=='existing_dir'
open('not_existing_file')
=> exc.filename=='not_existing_file'

Guess:
It may be similar to issue bpo-599163

Platform/system info:
[GCC 4.1.2 (Gentoo 4.1.2 p1.0.2)] on linux2
Linux 2.6.25-gentoo-r9 i686 Intel(R) Pentium(R) 4 CPU 2.40GHz

  • Py2.4 == Python 2.4.4 (Support "bpo-" in Misc/NEWS #1, Oct 7 2008, 13:16:18)
  • Py2.5 == Python 2.5.2 (r252:60911, Sep 15 2008, 12:11:51)
  • Py3.0 == Python 3.0 (r30:67503, Dec 29 2008, 01:15:48)

@zuo zuo mannequin added stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error labels Dec 29, 2008
@benjaminp
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Fixed in r68014 and r68016.

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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