python-3.6

How to install python3.6 on Ubuntu 22.04

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I have faced the same problems and could make it work by adding some additional flags when running ./configure Here are my steps: Step 1 – Prerequsities sudo apt-get install -y make build-essential libssl-dev zlib1g-dev \ libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev \ libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev \ libgdbm-dev libnss3-dev libedit-dev libc6-dev Step … Read more

Multiprocessing on Python 3 Jupyter

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@Konate’s answer really helped me. Here is a simplified version using multiprocessing.pool: import multiprocessing def double(a): return a * 2 def driver_func(): PROCESSES = 4 with multiprocessing.Pool(PROCESSES) as pool: params = [(1, ), (2, ), (3, ), (4, )] results = [pool.apply_async(double, p) for p in params] for r in results: print(‘\t’, r.get()) driver_func()

Same name functions in same class – is there an elegant way to determine which to call?

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Inheritance is probably the best way to do this, but since you asked specifically about decorators, I wanted to show you could do this using decorators. You’ll need to use a dictionary to store your functions by version, and then look up which version to use at runtime. Here’s an example. version_store = {} def … Read more

Python 3.6.1 crashed after readline module installed

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Try pip install gnureadline instead. And remove readline: pip uninstall readline. As explained by the gnureadline package page on pypi.org: Some platforms, such as macOS, do not ship with GNU readline installed This module [bundles] the standard Python readline module with the GNU readline source code, which is compiled and statically linked to it. The … Read more

Python Asynchronous Comprehensions – how do they work?

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You are basically asking how an async for loop works over a regular loop. That you can now use such a loop in a list comprehension doesn’t make any difference here; that’s just an optimisation that avoids repeated list.append() calls, exactly like a normal list comprehension does. An async for loop then, simply awaits each … Read more

Documenting class attributes with type annotations

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I do not think you can put an Attribute section inside of your docstring to get your desired results. I tried giving each attribute a doc comment and specified the type and desired comment. class DataHolder: “”” Class to hold some data Each attribute needs its own doc comment with its type “”” #: bool: … Read more

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