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toiletsandpaper avatar toiletsandpaper commented on September 22, 2024

Looks like its caused by parallelization of python import. Minimal repro:

from python import Python
from algorithm import parallelize

fn do_something_python(text: String) raises -> PythonObject:
    var uuid = Python.import_module('uuid')
    return text + '\t' + str(uuid.uuid4())


fn main() raises:
    var texts = DynamicVector[String]()
    texts.append("Hello, World!")
    texts.append("This is a test.")
    texts.append("Hello, World!")
    texts.append("This is a test.")
    texts.append("Hello, World!")
    texts.append("This is a test.")
    texts.append("Hello, World!")
    texts.append("This is a test.")
    texts.append("Hello, World!")
    texts.append("This is a test.")

    # works just right
    # for i in range(len(texts)):
    #     print(do_something_python(texts[i]))

    
    @parameter
    fn _do(i: Int):
        try:
            print(do_something_python(texts[i]))
        except:
            print('Error')

    # parallelize[_do](1)  # returns only UUID4, but not text... why?
    parallelize[_do](len(texts))

p.s. IDK why, but paralellize[_do](1) outputs something, that only Scooby Doo team is able to investigate

from mojo.

toiletsandpaper avatar toiletsandpaper commented on September 22, 2024

By the way, ffi.DLHandle -> get_function also doesn't work, resulting the same error

from mojo.

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