test_save.py

import sys
import os
from numpy.ma.core import size
import pygame

import matplotlib
matplotlib.use('module://pygame_matplotlib.backend_pygame')
#matplotlib.use('Qt4Agg')

import matplotlib.pyplot as plt
import matplotlib.figure as fg

import matplotlib.pyplot as plt
fig = plt.figure()

print(fig.canvas.get_supported_filetypes())

plt.plot([1,2], [1,2], color='green')
plt.text(1.5, 1.5, '2', size=50)
plt.xlabel('swag')

plt.savefig('images' + os.sep + 'test.jpg')
plt.savefig('images' + os.sep + 'test.bmp')
plt.savefig('images' + os.sep + 'test2.jpg')