JonathanReeve

with import <nixpkgs> {};

(let
    my_jupyterlab = python37.pkgs.buildPythonPackage rec {
      pname = "jupyterlab";
      version = "1.0.4";

      src = python37.pkgs.fetchPypi {
        inherit pname version;
        sha256 = "0vhdbzrphirl3x37d4zh0gaxhs6f7wj0i30wy4878yjkmlr219rj";

JonathanReeve

JonathanReeve

# generated using pypi2nix tool (version: 2.0.2)
# See more at: https://github.com/nix-community/pypi2nix
#
# COMMAND:
#   pypi2nix -V python3 -e colormath
#

{ pkgs ? import <nixpkgs> {},
  overrides ? ({ pkgs, python }: self: super: {})
}:

JonathanReeve

import pandas as pd

csv = ",name,hex,n,parent,parentHex\n0,dust,#b2996e,3,orange,#FFA500\n1,tea,#65ab7c,16,grey,#BEBEBE\n2,spruce,#0a5f38,1,black,#000000\n3,desert,#ccad60,6,orange,#FFA500\n4,swamp,#698339,2,grey,#BEBEBE\n5,fern,#63a950,1,green,#00FF00\n6,straw,#fcf679,9,yellow,#FFFF00\n7,leather,#ac7434,5,orange,#FFA500\n8,hazel,#8e7618,2,orange,#FFA500\n9,ice,#d6fffa,4,white,#FFFFFF\n"
df = pd.read_csv(csv)

df

JonathanReeve

JonathanReeve

    (imported from Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"
    |
242 |         x <- E.runErrorT (f (E.runErrorT m))
    |              ^^^^^^^^^^^

src/Control/Monad/Morph.hs:242:30: warning: [-Wdeprecations]
    In the use of ‘runErrorT’
    (imported from Control.Monad.Trans.Error):
    Deprecated: "Use Control.Monad.Trans.Except instead"

JonathanReeve

Keybase proof

I hereby claim:

• I am JonathanReeve on github.
• I am jonathanreeve (https://keybase.io/jonathanreeve) on keybase.
• I have a public key whose fingerprint is 35C6 2F49 FEFC E02A 9500 A5DE 0D09 DB56 9FA0 A935

To claim this, I am signing this object:

JonathanReeve

Making command-line programs in Python

From a workshop given at the Python User Group, Foundations for Research Computing, Columbia University, on November 3rd, 2020.

Concepts

The UNIX Philosophy

• A program should do one thing, and do it well.
• Programs should be interoperable by reading and writing text over standard input and standard output

JonathanReeve

JonathanReeve