This has turned into a rant about numpy and the scipy ecosystem -- not relevant at all to python-ideas.
Please stop. -CHB On Mon, Mar 16, 2020 at 9:51 AM Marco Sulla <[email protected]> wrote: > On Mon, 16 Mar 2020 at 04:51, Kyle Stanley <[email protected]> wrote: > > PEP 8 itself is very far from a definitive authority. Its scope is > specifically intended to cover CPython stdlib development, not all uses of > Python. > > Yes, I know. But it's a common convention, and Python relies often on > conventions. For example, the underscore at the start of a variable. > > I mean, this breaks duck typing. I expect the object to quack, and > instead it roars. And this is because > > bool(my_numpy_array == 42) > > should return True if the standard is followed, even if _no_ element > of `my_numpy_array` is equal to 42. > Indeed it looks strange... but this is > because they changed the __eq__() operator too! They could simply add > another method or use another operator, as they did for matrix > multiplication. This way it was clear that they are _not_ returning a > boolean, but > an ndarray. > > I can't bet on it, but I will surprised if someone propose a similar > behavior for some new data object in CPython and the PEP will be not > rejected. > > The problem is that NumPy is so much popular that changing this > "feature" would be a disaster. But IMHO this is no more Python. They > created another language and a disjointed ecosystem. I knew many > scientists that knows only NumPy and SciPy. They have little knowledge > of the rest of Python. > > Furthermore they usually uses Anaconda, with the conda package > manager. I don't know them very well, since I do not use it, but conda > seems to use a very strange method for managing the packages. It's all > o, until you install packages from the conda repo, but, if you want to > install some package from Pypi that is not in conda repo, it could be > a mess... > > Finally, Anaconda it's commonly used with Spyder, that is a good IDE > IMHO. The problem is it integrates Jupyter in the text editor by > default, so their "code" is a mix of numpy+scipy code with IPython > magic words. > -- Christopher Barker, PhD Python Language Consulting - Teaching - Scientific Software Development - Desktop GUI and Web Development - wxPython, numpy, scipy, Cython
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