chart.py 文件源码

def image(path, costs):
    ys = ['0', '1', '2', '3', '4', '5', '6', '7+', 'X']
    xs = [costs.get(k, 0) for k in ys]
    sns.set_style('white')
    sns.set(font='Concourse C3', font_scale=3)
    g = sns.barplot(ys, xs, palette=['grey'] * len(ys))
    g.axes.yaxis.set_ticklabels([])
    rects = g.patches
    sns.set(font='Concourse C3', font_scale=2)
    for rect, label in zip(rects, xs):
        if label == 0:
            continue
        height = rect.get_height()
        g.text(rect.get_x() + rect.get_width()/2, height + 0.5, label, ha='center', va='bottom')
    g.margins(y=0, x=0)
    sns.despine(left=True, bottom=True)
    g.get_figure().savefig(path, transparent=True, pad_inches=0, bbox_inches='tight')
    plt.clf() # Clear all data from matplotlib so it does not persist across requests.
    return path