plot.py

import matplotlib.pyplot as plt

img_name = 'plot.png'
data_s = open("data.txt").read()
data = eval(data_s)
data = data[:-2]

names = [x[0] for x in data]
heights = [x[1] for x in data]
coords = range(len(data))

fig = plt.figure(figsize=(30, 2), dpi=1000)
plt.ylabel("Votes per comment", fontsize = 3)
plt.tick_params(axis='both', which='major', labelsize=3)
plt.tick_params(axis='both', which='minor', labelsize=3)
plt.bar(coords, heights)
plt.xticks(coords, names, rotation=90, fontsize=3)
plt.margins(0.0, 0)

plt.subplots_adjust(left=.01, right=.98, top=0.9, bottom=.5)


fig.savefig(img_name, dpi=1000)

from PIL import Image

img = Image.open(img_name)
img = img.rotate(-90, expand=True)
img.save(img_name)