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IDLE: Saving Shell should not add \n #70541

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terryjreedy opened this issue Feb 12, 2016 · 6 comments
Closed

IDLE: Saving Shell should not add \n #70541

terryjreedy opened this issue Feb 12, 2016 · 6 comments
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3.7 (EOL) end of life 3.8 only security fixes 3.9 only security fixes topic-IDLE type-bug An unexpected behavior, bug, or error

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@terryjreedy
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BPO 26353
Nosy @terryjreedy, @ZackerySpytz, @miss-islington, @miss-islington
PRs
  • bpo-26353: IDLE adds an unneeded newline when saving a shell window #17103
  • [3.8] bpo-26353: IDLE adds an unneeded newline when saving a shell window (GH-17103) #17118
  • [3.7] bpo-26353: IDLE adds an unneeded newline when saving a shell window (GH-17103) #17119
  • 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 = 'https://github.com/terryjreedy'
    closed_at = <Date 2019-11-12.11:14:07.956>
    created_at = <Date 2016-02-12.22:08:12.778>
    labels = ['3.8', 'expert-IDLE', 'type-bug', '3.7', '3.9']
    title = 'IDLE: Saving Shell should not add \\n'
    updated_at = <Date 2019-11-14.07:35:51.566>
    user = 'https://github.com/terryjreedy'

    bugs.python.org fields:

    activity = <Date 2019-11-14.07:35:51.566>
    actor = 'ZackerySpytz'
    assignee = 'terry.reedy'
    closed = True
    closed_date = <Date 2019-11-12.11:14:07.956>
    closer = 'terry.reedy'
    components = ['IDLE']
    creation = <Date 2016-02-12.22:08:12.778>
    creator = 'terry.reedy'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 26353
    keywords = ['patch']
    message_count = 6.0
    messages = ['260205', '356423', '356436', '356441', '356442', '356583']
    nosy_count = 3.0
    nosy_names = ['terry.reedy', 'ZackerySpytz', 'miss-islington', 'miss-islington']
    pr_nums = ['17103', '17118', '17119']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue26353'
    versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']

    @terryjreedy
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    When one saves the IDLE Shell window, at least when the cursor is at the prompt, \n is added, so that

    >> |

    changes to

    >>
    |

    This seems wrong. It does not happen in editor windows. I should check Output Windows.

    @terryjreedy terryjreedy added the type-bug An unexpected behavior, bug, or error label Feb 12, 2016
    @terryjreedy terryjreedy self-assigned this Jun 19, 2017
    @terryjreedy
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    Zachary determined that the issue is that writing calls iomenu.IOBinding.fixlastline, which unconditionally adds \n at the end if there is one. That is not needed for the Shell and wrong when it ends with a prompt, which is the normal case.

    @terryjreedy terryjreedy added 3.7 (EOL) end of life 3.8 only security fixes 3.9 only security fixes labels Nov 12, 2019
    @terryjreedy
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    New changeset c8b53dc by Terry Jan Reedy (Zackery Spytz) in branch 'master':
    bpo-26353: IDLE adds an unneeded newline when saving a shell window (GH-17103)
    c8b53dc

    @miss-islington
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    New changeset 177b126 by Miss Islington (bot) in branch '3.7':
    bpo-26353: IDLE adds an unneeded newline when saving a shell window (GH-17103)
    177b126

    @miss-islington
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    New changeset 8ce1a9c by Miss Islington (bot) in branch '3.8':
    bpo-26353: IDLE adds an unneeded newline when saving a shell window (GH-17103)
    8ce1a9c

    @ZackerySpytz
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    ZackerySpytz mannequin commented Nov 14, 2019

    Thank you, Terry, for modifying the PR and merging it.

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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    Labels
    3.7 (EOL) end of life 3.8 only security fixes 3.9 only security fixes topic-IDLE type-bug An unexpected behavior, bug, or error
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