python / python/cpython

Fractions instantiation revisited

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performance stdlib type-feature
Dominant language
Python
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Description

BPO 28716
Nosy @rhettinger, @mdickinson, @scoder, @stevendaprano, @serhiy-storchaka, @jdemeyer, @eric-wieser, @wm75, @MojoVampire
Files
  • fractions.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 = None
    created_at = <Date 2016-11-16.18:06:27.650>
    labels = ['3.8', 'type-bug', 'library']
    title = 'Fractions instantiation revisited'
    updated_at = <Date 2019-08-05.09:04:19.247>
    user = 'https://github.com/wm75'
    

    bugs.python.org fields:

    activity = <Date 2019-08-05.09:04:19.247>
    actor = 'jdemeyer'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2016-11-16.18:06:27.650>
    creator = 'wolma'
    dependencies = []
    files = ['45507']
    hgrepos = []
    issue_num = 28716
    keywords = ['patch']
    message_count = 13.0
    messages = ['280977', '280981', '280995', '280997', '280998', '280999', '305611', '310470', '313208', '313741', '313753', '313786', '349037']
    nosy_count = 9.0
    nosy_names = ['rhettinger', 'mark.dickinson', 'scoder', 'steven.daprano', 'serhiy.storchaka', 'jdemeyer', 'Eric.Wieser', 'wolma', 'josh.r']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue28716'
    versions = ['Python 3.8']
    

    Linked PRs
    • gh-133251
    • gh-133994
    • gh-134320
    • gh-149024

    Contributor guide

    Open the contributing guide

    First steps

    1. Read the whole issue, then the project's contributing guide.
    2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
    3. Fork the repository and make your change on a branch.
    4. Open a pull request that references the issue number.

    Research direction

    Start by reviewing the linked historical issue and fractions.patch, then read the discussion and linked PRs to determine the proposed instantiation behavior. Done means reaching an agreed resolution for the open Fractions behavior and updating the relevant implementation and tests, but the payload does not identify those files or tests.

    Written by the indexing model from the issue text.

    Assessment

    Tech stack
    python
    Domain
    backend
    Issue type
    Bug
    Difficulty
    5/5
    Estimated time
    Over a week
    Activity status
    Stale
    Clarity
    Needs clarification
    Newbie friendliness
    20/100

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