travis23

def verify_path_exists(path_):
    try:
        assert os.path.exists(path_)
    except (AssertionError,) as error:
        print()
        print('Path not found')
        print(path_)
        raise FileNotFoundError

travis23

travis23

indices = np.unique(time_arr.values, return_index=True)[1]
time_strict = time_arr.values[indices]
response_strict = response_arr.values[indices]

travis23

# Sometimes timeseries need to be concatenated and then sorted so that the time vector is monotonic. 

# ---- Monotonic in x, but not strictly increasing
# ********************************************************************************
x1 = np.array([1, 2, 3, 4, 4])  # Not all of the values are unique
y1 = np.array([10, 20, 30, 42, 40])
x2 = np.array([1.5, 2.5, 3.5, 4.5])
y2 = np.array([15, 25, 35, 45])

x_ = np.concatenate((x1, x2))

travis23

import numpy as np

def find_index_of_first_nonzero_occurrence(array):
    """
    Find the index of the first non-zero occurrence in a numpy array.
    This is essentially a wrapper around np.flatnonzero(). If there are 
    no non-zero values None is returned. 
    
    array (numpy array): Should be 1d array and all elements should be numeric
    """

travis23

Things I Learnt The Hard Way (in 30 Years of Software Development)

https://blog.juliobiason.net/thoughts/things-i-learnt-the-hard-way/

20 Thing I've Learned in my 20 Years as a Software Engineer

https://www.simplethread.com/20-things-ive-learned-in-my-20-years-as-a-software-engineer/

What nobody tells you about documentation

• https://documentation.divio.com/

travis23

import matplotlib.pyplot as plt
from matplotlib import gridspec
import mplcursors

annotations0 = ['cat', 'dog', 'hare']
x = [1, 2, 3]
y = [0, 2.5, 3]

fontsize=20

travis23

import numpy as np

def levels_to_steps_post(x_vec, y_vec):
    """Provides data like matplotlib.pyplot.step with where set to 'post'"""
    
    x_new = [None] * (len(x_vec) * 2 - 1)
    y_new = [None] * (len(x_vec) * 2 - 1)
    
    for i in range(len(x_vec)-1):
        x_new[2*i] = x_vec[i]

travis23

def create_logger(log_file_path, display_level, file_level):
    """
    Logs to file as well as to display.

    See https://www.dataquest.io/blog/advanced-jupyter-notebooks-tutorial/

    Args:
        log_file_path (str):
        display_level (int): logging.INFO for example
        file_level (int): logging.INFO for example

travis23

import json
import os

import pytest as pt

# See Python Testing with pytest. > Chapter 4 > Using tmpdir and tmpdir_factory

class TestStuff(object):

    @pt.fixture(scope='class')