Not sure what gives but if I have a `pex binary entry point= Pants #general

Not sure what gives, but if I have a `pex_binary(e...

curved-television-6568

09/06/2021, 9:29 AM

Not sure what gives, but if I have a

pex_binary(entry_point="main.py")

but no

python_library()

I get this error when running the pex:

Copy code

ImportError: Error while finding module specification for 'helloworld.main' (ModuleNotFoundError: No module named 'helloworld')

Adding the python_library target solves it, but that may not be the most obvious thing, given the error message..

curved-television-6568

09/06/2021, 9:30 AM

What I’m after really is, if it would be possible to catch this error when building the pex, as clearly it can’t run, so the result will be broken.

happy-kitchen-89482

09/06/2021, 10:04 AM

Hmm interesting one

happy-kitchen-89482

09/06/2021, 10:04 AM

Not sure if we can catch the error while building the pex

happy-kitchen-89482

09/06/2021, 10:05 AM

In general we can't catch missing dependencies and things like that

happy-kitchen-89482

09/06/2021, 10:05 AM

We could maybe hypothetically catch this one because the missing dependency is directly referenced by the

pex_binary

as its entry point

happy-kitchen-89482

09/06/2021, 10:05 AM

But even then not in all cases

happy-kitchen-89482

09/06/2021, 10:06 AM

we might misdetect - for example the entry point might be installed by a 3rd party requirement in some way we can't know about

👍 1

happy-kitchen-89482

09/06/2021, 10:06 AM

So that might be tricker than it looks at first

curved-television-6568

09/06/2021, 4:01 PM

Ah, right. 👍🏽

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