Python script to do in place calculations while in vim. Inspired by https://github.com/arecarn/crunch.

pycalc.py

#!/usr/bin/python
#import numpy as np
#import pandas as pd
#import scipy as sp
#import scipy.ndimage as nd
#import scipy.signal as sg
#import itertools, pickle, random, os
from math import *
import sys
for line in sys.stdin.readlines():
    line = line[:line.rfind('#')]
    try:
        code_object = compile(line, '', 'eval')
        output = '# = {:}'.format(str(eval(code_object)))
    except SyntaxError as e:
        code_object = compile(line, '', 'exec')
        exec code_object
        output = ''
    print('{:}{:}'.format(str(line).strip(), output))

Python script to do in place calculations while in vim. Inspired by https://github.com/arecarn/crunch.

For example, say you have this block of text in vim:

paragraph one

x = 23.21
y = 53.32
norm = lambda x, y: sqrt(x*x+y*y)
norm(x, y)
atan2(y, x)

paragraph three

If you have your cursor somewhere in the second paragraph you can evaluate it with {V}:!./pycalc.py (assuming pycalc.py is in the working directory). What you get after is the following:

paragraph one

x = 23.21
y = 53.32
norm = lambda x, y: sqrt(x*x+y*y)
norm(x, y)# = 58.1526138707
atan2(y, x)# = 1.1602370238

paragraph three