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Mock property method on class

I have the following dataclass: I’d like to change the behavior of qux during testing. I’m aware of PropertyMock, and could write something like: I’d instead like to substitute the property method (undecorated), something like: I’ve tried various combinations of new_callable, new, etc.…

Delete values over the diagonal in a matrix with python

I have the next problem with a matrix in python and numpy given this matrix i want to obtain this: I was trying with np.diag() but doesnt works Thanks! Answer Use np.tril(a) to extract the lower triangular matrix. Refer this : https://docs.scipy.org/doc/numpy/reference/generated/numpy.tril.html

How to *Rotate* labels in a Seaborn PairGrid?

The columns in my dataframe has long names, so when I make a pairplot, the labels overlaps one another. I would like to rotate my labels 90 degrees, so they don’t collide. I tried looking up online and documentation, but could not find a solution. Here is something I wrote & the error message: How c…

Python Multiprocessing Logging via QueueHandler

I have a Python multiprocessing application to which I would like to add some logging functionality. The Python logging cookbook recommends using a Queue. Every process will put log records into it via the QueueHandler and a Listener Process will handle the records via a predefined Handler. Here is the exampl…