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codecs.open interprets FS, RS, GS as line ends #62491

@wpk

Description

@wpk
mannequin
BPO 18291
Nosy @malemburg, @doerwalter, @nascheme, @abalkin, @vstinner, @ezio-melotti, @bitdancer, @serhiy-storchaka, @tirkarthi
PRs
  • gh-62491: codecs text streams now split lines only with \r, \n and \r\n. #9711
  • Files
  • codecs-io-example.py: Compare UTF-8 file reading time between io.open and codecs.open.
  • codecs_splitlines.txt
  • str_splitlines.txt: change str.splitlines to use only \r and \n
  • 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 2013-06-24.13:11:12.690>
    labels = ['3.8', 'type-bug', '3.7', 'expert-unicode', 'expert-IO']
    title = 'codecs.open interprets FS, RS, GS as line ends'
    updated_at = <Date 2018-10-05.12:28:09.232>
    user = 'https://bugs.python.org/wpk'

    bugs.python.org fields:

    activity = <Date 2018-10-05.12:28:09.232>
    actor = 'lemburg'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Unicode', 'IO']
    creation = <Date 2013-06-24.13:11:12.690>
    creator = 'wpk'
    dependencies = []
    files = ['30688', '47851', '47852']
    hgrepos = []
    issue_num = 18291
    keywords = []
    message_count = 21.0
    messages = ['191758', '191769', '191778', '191784', '191848', '191849', '191853', '192118', '192123', '192280', '327095', '327096', '327098', '327100', '327101', '327104', '327112', '327125', '327127', '327129', '327134']
    nosy_count = 10.0
    nosy_names = ['lemburg', 'doerwalter', 'nascheme', 'belopolsky', 'vstinner', 'ezio.melotti', 'r.david.murray', 'serhiy.storchaka', 'wpk', 'xtreak']
    pr_nums = ['9711']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue18291'
    versions = ['Python 2.7', 'Python 3.6', 'Python 3.7', 'Python 3.8']

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