Re: [Buildroot] [PATCH 2/3] package/python-pydantic-core: new package

["Yann E. MORIN" <yann.morin.1998@free.fr>]

James, All,

On 2023-11-26 09:19 -0700, James Hilliard spake thusly:
> On Sun, Nov 26, 2023 at 4:27 AM Yann E. MORIN <yann.morin.1998@free.fr> wrote:
> > > On Sat, Nov 25, 2023 at 8:36 AM Yann E. MORIN <yann.morin.1998@free.fr> wrote:
[--SNIP--]
> > > There's no conflict since pydantic-core is a new package with no reverse
> > > dependencies.
> > It is not just about reverse dependencies. Assuming we just apply the
> > pydantic-core new package, and keep the old pydantic (e.g we have to
> > revert the bump later for various reasons), what happens at build time
> > or at runtime, if the user enables pydantic-core and pydantic (the old)?
> So pydantic-core is just a new dependency for pydantic to handle core
> validation logic. If pydantic-core is used with old pydantic there shouldn't
> be any build/runtime issues as they would not conflict in any way.
> 
> > If that makes pydantic-old fail to build or run, that is what we care
> > about.
> Why would it make pydantic-old fail? The pydantic-core package uses a
> different module namespace which is typically how python packages
> prevent import conflicts in general.
> 
> To import from pydantic-core you import like:
> from pydantic_core import SchemaValidator, ValidationError
> 
> To import from pydantic you import like:
> from pydantic import BaseModel
> 
> New pydantic simply internally imports from pydantic_core but old
> pydantic does not and will function the same whether or not we have
> pydantic_core installed.

So, pydantic-core does not provide a subset of the modules previously in
pydantic, so there will not be a conflict.

Thanks for the explanations. :-)

Regards,
Yann E. MORIN.

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