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argparse doesn't allow optionals within positionals #58399

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@vpython

Description

@vpython
mannequin
BPO 14191
Nosy @bitdancer, @vadmium, @monkeyman79
PRs
  • bpo-14191 Add parse_intermixed_args. #3319
  • bpo-42973: argparse: mixing optional and positional #24259
  • bpo-42973: argparse: mixing optional and positional #24367
  • Files
  • t12.py: test case demonstrating bug
  • 14191.diff
  • t13.py: Demonstration that optparse accepts scattered positional parameters.
  • t14.py
  • t16.py: Demonstrate solution based on Steven's suggestion
  • t18.py: multiclass wrapper for argparse to allow intermixed parameters
  • t18a.py
  • test_intermixed.py
  • test_intermixed.py
  • intermixed.patch
  • test_intermixed.py
  • intermixed.patch
  • 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 2017-09-07.00:27:33.235>
    created_at = <Date 2012-03-04.06:36:30.660>
    labels = ['3.7', 'type-feature', 'library']
    title = "argparse doesn't allow optionals within positionals"
    updated_at = <Date 2021-01-29.13:29:51.106>
    user = 'https://bugs.python.org/vpython'

    bugs.python.org fields:

    activity = <Date 2021-01-29.13:29:51.106>
    actor = 'monkeyman79'
    assignee = 'none'
    closed = True
    closed_date = <Date 2017-09-07.00:27:33.235>
    closer = 'r.david.murray'
    components = ['Library (Lib)']
    creation = <Date 2012-03-04.06:36:30.660>
    creator = 'v+python'
    dependencies = []
    files = ['24726', '24745', '24749', '24753', '24764', '24771', '26273', '29982', '30159', '30160', '30204', '30422']
    hgrepos = []
    issue_num = 14191
    keywords = ['patch']
    message_count = 47.0
    messages = ['154880', '155008', '155019', '155039', '155062', '155103', '155157', '155172', '155185', '155188', '155202', '155212', '155272', '155277', '164756', '166175', '166193', '185517', '187051', '187269', '187270', '187329', '187341', '187596', '187618', '187669', '187680', '188608', '188609', '188680', '188869', '188871', '188887', '188899', '190339', '190340', '195312', '195728', '195740', '196067', '196110', '217812', '301275', '301292', '301415', '301549', '301550']
    nosy_count = 10.0
    nosy_names = ['amcnabb', 'bethard', 'v+python', 'r.david.murray', 'docs@python', 'martin.panter', 'paul.j3', 'guilherme-pg', 'dg1727', 'monkeyman79']
    pr_nums = ['3319', '24259', '24367']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'enhancement'
    url = 'https://bugs.python.org/issue14191'
    versions = ['Python 3.7']

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