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Clean metadata (importlib_metadata 4.0) #88092

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jaraco opened this issue Apr 23, 2021 · 2 comments
Closed

Clean metadata (importlib_metadata 4.0) #88092

jaraco opened this issue Apr 23, 2021 · 2 comments
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@jaraco
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3.10 only security fixes stdlib Python modules in the Lib dir type-feature A feature request or enhancement

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@jaraco
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jaraco commented Apr 23, 2021

BPO 43926
Nosy @jaraco
PRs
  • bpo-43926: Cleaner metadata with PEP 566 JSON support. #25565
    		•

    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/jaraco'
closed_at = <Date 2021-05-03.01:26:11.294>
created_at = <Date 2021-04-23.20:45:44.450>
labels = ['type-feature', 'library', '3.10']
title = 'Clean metadata (importlib_metadata 4.0)'
updated_at = <Date 2021-05-03.01:26:11.293>
user = 'https://github.com/jaraco'

    bugs.python.org fields:

    activity = <Date 2021-05-03.01:26:11.293>
actor = 'jaraco'
assignee = 'jaraco'
closed = True
closed_date = <Date 2021-05-03.01:26:11.294>
closer = 'jaraco'
components = ['Library (Lib)']
creation = <Date 2021-04-23.20:45:44.450>
creator = 'jaraco'
dependencies = []
files = []
hgrepos = []
issue_num = 43926
keywords = ['patch']
message_count = 2.0
messages = ['391733', '392732']
nosy_count = 1.0
nosy_names = ['jaraco']
pr_nums = ['25565']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue43926'
versions = ['Python 3.10']
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    jaraco commented Apr 23, 2021

    importlib_metadata 4.0 introduced these important changes to the metadata function:

    PackageMetadata as returned by metadata()
    and Distribution.metadata() now provides normalized
    metadata honoring PEP-566:

    • If a long description is provided in the payload of the
      RFC 822 value, it can be retrieved as the Description
      field.
    • Any multi-line values in the metadata will be returned as
      such.
    • For any multi-line values, line continuation characters
      are removed. This backward-incompatible change means
      that any projects relying on the RFC 822 line continuation
      characters being present must be tolerant to them having
      been removed.
    • Add a json property that provides the metadata
      converted to a JSON-compatible form per PEP-566.

    These changes would be a nice addition to Python 3.10.

    @jaraco jaraco added the 3.10 only security fixes label Apr 23, 2021
    @jaraco jaraco self-assigned this Apr 23, 2021
    @jaraco jaraco added stdlib Python modules in the Lib dir type-feature A feature request or enhancement 3.10 only security fixes labels Apr 23, 2021
    @jaraco jaraco self-assigned this Apr 23, 2021
    @jaraco jaraco added stdlib Python modules in the Lib dir type-feature A feature request or enhancement labels Apr 23, 2021
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    jaraco commented May 2, 2021

    New changeset 37e0c78 by Jason R. Coombs in branch 'master':
    bpo-43926: Cleaner metadata with PEP-566 JSON support. (GH-25565)
    37e0c78

    @jaraco jaraco closed this as completed May 3, 2021
    @jaraco jaraco closed this as completed May 3, 2021
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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