"python -m pdb --help" does not work

[blueyed]

BPO	37803
Nosy	@blueyed, @benjaminp, @miss-islington
PRs	bpo-37803: pdb: fix handling of options (--help / --version) #15193 [3.8] closes bpo-37803: pdb: fix handling of options (--help / --version) (GH-15193) #16066 [3.7] closes bpo-37803: pdb: fix handling of options (--help / --version) (GH-15193) #16067

^{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 2019-09-12.15:46:40.240>
created_at = <Date 2019-08-09.14:52:52.766>
labels = ['3.7', '3.8', 'type-bug', 'library', '3.9']
title = '"python -m pdb --help" does not work'
updated_at = <Date 2019-09-12.16:05:55.126>
user = 'https://github.com/blueyed'

bugs.python.org fields:

activity = <Date 2019-09-12.16:05:55.126>
actor = 'miss-islington'
assignee = 'none'
closed = True
closed_date = <Date 2019-09-12.15:46:40.240>
closer = 'benjamin.peterson'
components = ['Library (Lib)']
creation = <Date 2019-08-09.14:52:52.766>
creator = 'blueyed'
dependencies = []
files = []
hgrepos = []
issue_num = 37803
keywords = ['patch']
message_count = 4.0
messages = ['349291', '352205', '352209', '352210']
nosy_count = 3.0
nosy_names = ['blueyed', 'benjamin.peterson', 'miss-islington']
pr_nums = ['15193', '16066', '16067']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue37803'
versions = ['Python 3.5', 'Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9']

[blueyed]

The long options passed to getopt.getopt should not include the leading dashes:

    % python -m pdb --help
    Traceback (most recent call last):
      File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main
        "__main__", mod_spec)
      File "/usr/lib/python3.7/runpy.py", line 85, in _run_code
        exec(code, run_globals)
      File "/home/daniel/src/pdbpp/pdb.py", line 1672, in <module>
        pdb.main()
      File "/usr/lib/python3.7/pdb.py", line 1662, in main
        opts, args = getopt.getopt(sys.argv[1:], 'mhc:', ['--help', '--command='])
      File "/usr/lib/python3.7/getopt.py", line 93, in getopt
        opts, args = do_longs(opts, args[0][2:], longopts, args[1:])
      File "/usr/lib/python3.7/getopt.py", line 157, in do_longs
        has_arg, opt = long_has_args(opt, longopts)
      File "/usr/lib/python3.7/getopt.py", line 174, in long_has_args
        raise GetoptError(_('option --%s not recognized') % opt, opt)
    getopt.GetoptError: option --help not recognized

(it works in Python 2.7)

[benjaminp]

New changeset 855df7f by Benjamin Peterson (Daniel Hahler) in branch 'master':
closes bpo-37803: pdb: fix handling of options (--help / --version) (GH-15193)
855df7f

[miss-islington]

New changeset 7da8c0a by Miss Islington (bot) in branch '3.7':
closes bpo-37803: pdb: fix handling of options (--help / --version) (GH-15193)
7da8c0a

[miss-islington]

New changeset 21bfff9 by Miss Islington (bot) in branch '3.8':
closes bpo-37803: pdb: fix handling of options (--help / --version) (GH-15193)
21bfff9