import io
from PIL import Image
import matplotlib.pyplot as plt
plt.figure()
plt.plot([1, 2])
plt.title('test')
buf = io.BytesIO()
plt.savefig(buf, format='png')
buf.seek(0)
im = Image.open(buf)
im.show()
buf.close()
how to save a pylab figure into in-memory file which can be read into PIL image?