bpo-44098: Drop ParamSpec from most __parameters__ in typing generics
#26013
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gvanrossum
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May 12, 2021
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@Fidget-Spinner: Status check is done, and it's a success |
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Thanks @Fidget-Spinner for the PR |
miss-islington
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May 13, 2021
…rics (pythonGH-26013) Added two new attributes to ``_GenericAlias``: * ``_typevar_types``, a single type or tuple of types indicating what types are treated as a ``TypeVar``. Used for ``isinstance`` checks. * ``_paramspec_tvars ``, a boolean flag which guards special behavior for dealing with ``ParamSpec``. Setting it to ``True`` means this class deals with ``ParamSpec``. Automerge-Triggered-By: GH:gvanrossum (cherry picked from commit b2f3f8e) Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
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GH-26091 is a backport of this pull request to the 3.10 branch. |
Yep (only to 3.10), I added the backport label for that. We need to backport it otherwise the typing generics and builtin generics will have different behaviors. |
gvanrossum
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May 13, 2021
…rics (GH-26013) (#26091) Added two new attributes to ``_GenericAlias``: * ``_typevar_types``, a single type or tuple of types indicating what types are treated as a ``TypeVar``. Used for ``isinstance`` checks. * ``_paramspec_tvars ``, a boolean flag which guards special behavior for dealing with ``ParamSpec``. Setting it to ``True`` means this class deals with ``ParamSpec``. Automerge-Triggered-By: GH:gvanrossum (cherry picked from commit b2f3f8e)
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Added two new attributes to
_GenericAlias:_typevar_types, a single type or tuple of types indicating what types are treated as aTypeVar. Used forisinstancechecks._paramspec_tvars, a boolean flag which guards special behavior for dealing withParamSpec. Setting it toTruemeans this class deals withParamSpec.https://bugs.python.org/issue44098
Automerge-Triggered-By: GH:gvanrossum
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