misc.py

import time
import math
import matplotlib.pyplot as plt
plt.switch_backend('agg')
import matplotlib.ticker as ticker
import numpy as np
import pickle
import gc


def asMinutes(s):
    m = math.floor(s / 60)
    s -= m * 60
    return '%dm %ds' % (m, s)


def timeSince(since, percent):
    now = time.time()
    s = now - since
    es = s / (percent)
    rs = es - s
    return '%s (- %s)' % (asMinutes(s), asMinutes(rs))

def showPlot(points):
    plt.figure()
    fig, ax = plt.subplots()
    # this locator puts ticks at regular intervals
    loc = ticker.MultipleLocator(base=0.2)
    ax.yaxis.set_major_locator(loc)
    plt.plot(points)
    
def load_cpickle_gc(dirlink):
    # https://stackoverflow.com/questions/26860051/how-to-reduce-the-time-taken-to-load-a-pickle-file-in-python
    output = open(dirlink, 'rb')
    # disable garbage collector
    gc.disable()
    mydict = pickle.load(output)
    # enable garbage collector again
    gc.enable()
    output.close()
    return mydict