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Implement PEP 553 - built-in breakpoint() #75534

warsaw opened this issue Sep 5, 2017 · 6 comments

Implement PEP 553 - built-in breakpoint() #75534

warsaw opened this issue Sep 5, 2017 · 6 comments
3.7 interpreter-core type-feature


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@warsaw warsaw commented Sep 5, 2017

BPO 31353
Nosy @warsaw, @bitdancer, @serhiy-storchaka, @ethanhs, @alkuzad
  • #3355
  • 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 = ''
    closed_at = <Date 2017-10-05.16:11:54.413>
    created_at = <Date 2017-09-05.20:44:20.033>
    labels = ['interpreter-core', 'type-feature', '3.7']
    title = 'Implement PEP 553 - built-in breakpoint()'
    updated_at = <Date 2018-07-09.17:47:30.913>
    user = '' fields:

    activity = <Date 2018-07-09.17:47:30.913>
    actor = 'barry'
    assignee = 'barry'
    closed = True
    closed_date = <Date 2017-10-05.16:11:54.413>
    closer = 'barry'
    components = ['Interpreter Core']
    creation = <Date 2017-09-05.20:44:20.033>
    creator = 'barry'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 31353
    keywords = []
    message_count = 6.0
    messages = ['301372', '302109', '302110', '303573', '321306', '321337']
    nosy_count = 5.0
    nosy_names = ['barry', 'r.david.murray', 'serhiy.storchaka', 'ethan smith', 'alkuzad']
    pr_nums = ['3355']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'enhancement'
    url = ''
    versions = ['Python 3.7']

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    @warsaw warsaw commented Sep 5, 2017

    Placeholder issue for discussion of the design of the implementation of PEP-553.

    @warsaw warsaw added the 3.7 label Sep 5, 2017
    @warsaw warsaw self-assigned this Sep 5, 2017
    @warsaw warsaw added the interpreter-core label Sep 5, 2017
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    @alkuzad alkuzad mannequin commented Sep 13, 2017

    Will that be backported also to Python2.7 ? I personally do not see a reason to teach old dog new tricks but it seems appropriate in such core things. New users could transition easier, otherwise this would be next py2<->py3 difference to explain every time someone uses new code.

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    @bitdancer bitdancer commented Sep 13, 2017

    It is a new feature, so no it would not be backported.

    @bitdancer bitdancer added the type-feature label Sep 13, 2017
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    @warsaw warsaw commented Oct 3, 2017

    PEP is accepted. PR needs review.

    @serhiy-storchaka serhiy-storchaka changed the title Implement PEP 553 - built-in debug() Implement PEP 553 - built-in breakpoint() Oct 3, 2017
    @warsaw warsaw closed this as completed Oct 5, 2017
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    @serhiy-storchaka serhiy-storchaka commented Jul 9, 2018

    Is it needed to specify the fromlist argument for PyImport_ImportModuleLevelObject()? The only effect of this is that Python will try to import the hook as a submodule if it is not an attribute of the parent module. But I think that callable modules is very uncommon case and we should not support is specially. Getting rid of the fromlist argument will simplify the code.

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    @warsaw warsaw commented Jul 9, 2018

    It's a convenient API. I think originally I may have just don't effectively a getattr on the imported module, but I don't remember (and don't have original implementation handy - thanks, rebase!)

    I don't have particularly strong feelings on the matter. If you want to submit a PR, I'll take a look. I suppose technically it *is* a functional change that might not be acceptable now that 3.7.0 is released though.

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