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Support copy.replace() for optparse.Values #155044

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Support copy.replace() for optparse.Values#155044
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stdlibStandard Library Python modules in the Lib/ directorytype-featureA feature request or enhancement

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@serhiy-storchaka
serhiy-storchaka
opened on Aug 1, 2026

Feature or enhancement

types.SimpleNamespace supports copy.replace() (gh-109174), but optparse.Values, which holds parsed option values as attributes, does not.

I propose to support it: copy.replace(values, verbose=True) returns a new Values object with the specified attributes replaced or added.

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  1. serhiy-storchaka
    added
    type-featureA feature request or enhancement
    on Aug 1, 2026
  2. serhiy-storchaka
    added this to Argparse issuesand Pickle and copy issues 🥒on Aug 1, 2026
  3. StanFromIreland
    added
    stdlibStandard Library Python modules in the Lib/ directory
    on Aug 1, 2026
  4. serhiy-storchaka
    added a commit that references this issue on Aug 13, 2026

    gh-155044: Support copy.replace() for optparse.Values (GH-155050)

    c0d0b28
  5. serhiy-storchaka
    closed this as completedon Aug 13, 2026
  6. github-project-automation
    moved this to Done in Pickle and copy issues 🥒on Aug 13, 2026
  7. github-project-automation
    moved this to Doc issues in Argparse issueson Aug 13, 2026
  8. mbeijen
    added a commit that references this issue on Aug 14, 2026

    pythongh-155044: Support copy.replace() for optparse.Values (pythonGH…

    47759a6
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