How to combine Celery with asyncio?

Each Answer to this Q is separated by one/two green lines. How can I create a wrapper that makes celery tasks look like asyncio.Task? Or is there a better way to integrate Celery with...

What is a PyObject in Python?

Each Answer to this Q is separated by one/two green lines. Short version I recently came across some Python code in which the return type for a function was specified as PyObject in the...

Concatenate two NumPy arrays vertically

Each Answer to this Q is separated by one/two green lines. I tried the following: >>> a = np.array([1,2,3]) >>> b = np.array([4,5,6]) >>> np.concatenate((a,b), axis=0) array([1, 2, 3, 4, 5, 6]) >>> np.concatenate((a,b),...

pytest using fixtures as arguments in parametrize

Each Answer to this Q is separated by one/two green lines. I would like to use fixtures as arguments of pytest.mark.parametrize or something that would have the same results. For example: import pytest import...

How to exit a program: sys.stderr.write() or print

Each Answer to this Q is separated by one/two green lines. I am writing a small app and I need to quit the program multiple number of times. Should I use: sys.stderr.write(‘Ok quitting’)sys.exit(1) Or...