Wrong ImportError message if module is not readable

[vstinner]

BPO	5376
Nosy	@birkenfeld, @vstinner
Files	issue5376.tar.gz

^{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 2009-04-05.16:33:04.504>
created_at = <Date 2009-02-26.15:56:32.851>
labels = ['interpreter-core']
title = 'Wrong ImportError message if module is not readable'
updated_at = <Date 2009-04-05.16:33:04.503>
user = 'https://github.com/vstinner'

bugs.python.org fields:

activity = <Date 2009-04-05.16:33:04.503>
actor = 'georg.brandl'
assignee = 'none'
closed = True
closed_date = <Date 2009-04-05.16:33:04.504>
closer = 'georg.brandl'
components = ['Interpreter Core']
creation = <Date 2009-02-26.15:56:32.851>
creator = 'vstinner'
dependencies = []
files = ['13193']
hgrepos = []
issue_num = 5376
keywords = []
message_count = 4.0
messages = ['82766', '82785', '82786', '85526']
nosy_count = 2.0
nosy_names = ['georg.brandl', 'vstinner']
pr_nums = []
priority = 'normal'
resolution = 'wont fix'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue5376'
versions = ['Python 2.6', 'Python 3.0', 'Python 3.1', 'Python 2.7']

[vstinner]

__import__() raises an ImportError "No module named ..." if the module
file is not readable or module directory is not executable. The
expected message is something like "Module named ... is not readable".

Directory tree for the test:
------------------------------
marge$ ls -lRF .
.:
drwxrwxrwx 2 haypo haypo 4096 2009-02-26 16:51 module/
-rw-rw-rw- 1 haypo haypo 9 2009-02-26 16:48 module2.py
-rw-r--r-- 1 haypo haypo 414 2009-02-26 16:50 test.py

./module:
-rw-r--r-- 1 haypo haypo 10 2009-02-26 16:45 __init__.py
------------------------------

Success with correct file permissions:
------------------------------

$ python test.py
__import__('/home/haypo/xxx/module') ...
PI = 3.14
__import__('/home/haypo/xxx/module2') ...
E = 2.72

---

Change module/ and module2.py permissions to 000 (no read, no write,
no execute):
------------------------------
__import__('/home/haypo/xxx/module') ...
No module named /home/haypo/xxx/module
__import__('/home/haypo/xxx/module2') ...
No module named /home/haypo/xxx/module2
------------------------------

[vstinner]

Oops, my first .tar.gz doesn't create files in a subdirectory. New
archive fixes that.

[vstinner]

Oooh, import by filename has been disabled in Python 2.6: see issue
bpo-1776.

[birkenfeld]

Since this is not supported anyway (and never was), closing as "won't fix".