micropip claims it's installing typing-extensions 4.12.2, but it's not

[samuelcolvin]

See https://pydantic.run/store/0f396bc320c5d2fe,

I'm running

# /// script
# dependencies = ["typing_extensions>=4.12", "pydantic_ai_slim[openai]"]
# ///
from pydantic_ai import Agent
from importlib.metadata import version

print(version('typing_extensions'))

agent = Agent(  
    'test',
    system_prompt='Be concise, reply with one sentence.',  
)

result = await agent.run('Where does "hello world" come from?')  
print(result.data)

and getting an error because the code is using typing-extensions 4.11, but the above print(version('typing_extensions')) is printing 4.12.2.

It seems like there are two (perhaps related) issues:

• running await micropip.install(["typing_extensions>=4.12", "pydantic_ai_slim[openai]"], keep_going=True) is installing 4.11, not 4.12
• it somehow setting the importlib metadata to 4.12

I'll note that if I change pydantic.run to use

                for dep in install_dependencies:
                    await micropip.install(dep, keep_going=True)

and install typing_extensions>=4.12 before other pages, the problem goes away.

[ryanking13]

Thanks for the report @samuelcolvin! I guess this is fixed by #181, could you please try again with micropip 0.9.0?

FYI, what happens is that, we have the typing-extensions==4.11 in the lockfile, and it is installed and overwrites the 4.12 when installing pydantic from the lockfile. But the behavior has been changed in #181 and the package in the lockfile will not overwrite the package downloaded from PyPI anymore

[samuelcolvin]

Awesome, thank you, I'll try it.

Sorry for the dumb question, how do I install newer micropip within pyodide?

[hoodmane]

To be honest I'm not really sure either.

[ryanking13]

Sorry for the dumb question, how do I install newer micropip within pyodide?

You can download micropip directly from the PyPI: pyodide.loadPackage("https://files.pythonhosted.org/packages/27/6d/195810e3e73e5f351dc6082cada41bb4d5b0746a6804155ba6bae4304612/micropip-0.9.0-py3-none-any.whl").

[samuelcolvin]

okay, I've installed v0.9.0, but it doesn't solve the problem - same issue occurring.

[samuelcolvin]

There's a bunch of other changes, but you'll see in pydantic/pydantic.run#44 that I'm getting v0.9.0 from pip as you suggested, and getting the same error.

You can see the error in this preview.

[samuelcolvin]

Okay, ignore my comment above, it seems with v0.9.0, the immediate issue is fixed, see pydantic/pydantic.run#44 and preview here.

However I still need to explicitly add typing_extensions>=4.12 as a dependency to get that version installed, even though at least one of the sub-dependencies requires typing_extensions>=4.12.

Should I create another issue?

[samuelcolvin]

Closing, I'll create a new issue about the other issues.