gistfile1.txt

import numpy as np
import matplotlib.figure
from matplotlib.font_manager import FontProperties
from matplotlib.backends.backend_agg import FigureCanvasAgg

font_path = matplotlib.get_data_path() + '/fonts/ttf/STIXGeneral.ttf'

fp = FontProperties(**{'fname': font_path, 'size': 18})

fig = matplotlib.figure.Figure()
ax = fig.add_axes([0.1, 0.2, 0.8, 0.7])

im = ax.imshow(np.random.random((800, 800)))
cb = fig.colorbar(im)
cbax = cb.ax

ax.set_xlabel('x label')
ax.set_ylabel(r'$y\ label$')
cb.set_label('colorbar label')


labels = ax.xaxis.get_ticklabels() + ax.yaxis.get_ticklabels()
labels += cbax.yaxis.get_ticklabels()
labels += [ax.title, ax.xaxis.label, ax.yaxis.label,
           cbax.yaxis.label, cbax.yaxis.get_offset_text(),
           ax.xaxis.get_offset_text(), ax.yaxis.get_offset_text()]

for label in labels:
    label.set_fontproperties(fp)

canvas = FigureCanvasAgg(fig)

canvas.print_figure('test.png')