distutils/check.py overzealous catch block hides errors

[posita]

BPO	28981
Nosy	@merwok, @zooba, @dstufft, @posita

^{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 2021-02-03.18:21:27.395>
created_at = <Date 2016-12-15.18:08:08.219>
labels = ['type-bug', 'library']
title = 'distutils/check.py overzealous catch block hides errors'
updated_at = <Date 2021-02-03.18:21:27.394>
user = 'https://github.com/posita'

bugs.python.org fields:

activity = <Date 2021-02-03.18:21:27.394>
actor = 'steve.dower'
assignee = 'none'
closed = True
closed_date = <Date 2021-02-03.18:21:27.395>
closer = 'steve.dower'
components = ['Distutils']
creation = <Date 2016-12-15.18:08:08.219>
creator = 'posita'
dependencies = []
files = []
hgrepos = []
issue_num = 28981
keywords = []
message_count = 2.0
messages = ['283338', '386357']
nosy_count = 4.0
nosy_names = ['eric.araujo', 'steve.dower', 'dstufft', 'posita']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue28981'
versions = ['Python 2.7', 'Python 3.4', 'Python 3.5']

[posita]

From (e.g) https://github.com/python/cpython/blob/2.7/Lib/distutils/command/check.py#L145:

{{{
try:
parser.parse(data, document)
except AttributeError as e: # <- this could happen anywhere inside parser.parse
reporter.messages.append(
(-1, 'Could not finish the parsing: %s.' % e, '', {}))
}}}

Without a stack trace, diagnosing problems like bpo-23063 becomes unnecessarily difficult. See also:

• https://sourceforge.net/p/docutils/bugs/270/
• https://sourceforge.net/p/docutils/bugs/302/

I'd offer a patch, but I'm not sure what is meant to be signaled by the AttributeError. (Could parser.parse not exist? Is it something else?)

[zooba]

Distutils is now deprecated (see PEP-632) and all tagged issues are being closed. From now until removal, only release blocking issues will be considered for distutils.

If this issue does not relate to distutils, please remove the component and reopen it. If you believe it still requires a fix, most likely the issue should be re-reported at https://github.com/pypa/setuptools