wdomでグラフをプロットするサンプル（とりあえず）

bokeh_sample.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import re
import asyncio
from functools import partial

from wdom.document import get_document
from wdom.server import get_app, start_server, stop_server
from wdom.tag import H1, Div, Button

from bokeh.plotting import figure
from bokeh.embed import components


class Plot(Div):
    def plot(self, figure):
        script_tag, div = components(figure)
        self.innerHTML = div
        m = re.search(r'<script .*?>(.*)</script>', script_tag, re.S)
        if m:
            script = m.group(1)
            self.exec(script)


def show_plot(plot_area, event):
    plot = Div(parent=event.target.ownerDocument.body)
    x = [1, 2, 3, 4, 5]
    y = [4, 3, 6, 3, 4]
    p = figure(title='Bokeh test', x_axis_label='x', y_axis_label='y')
    p.line(x, y, legend='Temp.', line_width=2)
    plot_area.plot(p)


def main():
    doc = get_document(reload_wait=2000)
    doc.add_cssfile('http://cdn.pydata.org/bokeh/release/bokeh-0.11.1.min.css')
    doc.add_jsfile('http://cdn.pydata.org/bokeh/release/bokeh-0.11.1.min.js')
    doc.body.append(H1('Bokeh Sample'))
    plot_area = Plot(parent=doc.body)
    btn = Button('show', parent=doc.body)
    btn.addEventListener('click', partial(show_plot, plot_area))
    app = get_app(doc)
    server = start_server(app)
    loop = asyncio.get_event_loop()
    try:
        loop.run_forever()
    except KeyboardInterrupt:
        pass
    finally:
        stop_server(server)
        loop.close()


if __name__ == '__main__':
    main()

seaborn_sample.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import shutil
import tempfile
import atexit
import asyncio

from wdom.document import get_document
from wdom.server import get_app, start_server, stop_server
from wdom.tag import H1, Div, Button, Img

import numpy as np
import matplotlib as mpl
mpl.use('Agg')  # must set before importing pyplot
import matplotlib.pyplot as plt
import seaborn as sns  # enable seaborn


def show(event):
    doc = event.target.ownerDocument
    plot = Div(parent=doc.body)
    x = [1, 2, 3, 4, 5]
    y = [4, 3, 6, 3, 4]
    fig = plt.figure()
    ax = fig.add_subplot(111)
    x = np.linspace(0, 14, 100)
    for i in range(1, 7):
        ax.plot(x, np.sin(x + i * 0.5) * (7 - 1))
    tmpfile = os.path.join(doc.tempdir, tempfile.gettempprefix() + '.png')
    fig.savefig(tmpfile)
    plot.append(Img(src='tmp/' + tmpfile))


def cleanup(doc):
    if os.path.exists(doc.tempdir):
        shutil.rmtree(doc.tempdir)


def main():
    doc = get_document(reload_wait=2000)
    doc.tempdir = tempfile.mkdtemp()
    atexit.register(cleanup, doc)
    doc.body.append(H1('Seaborn Sample'))
    btn = Button('show', parent=doc.body)
    btn.addEventListener('click', show)
    app = get_app(doc)
    if os.path.exists(doc.tempdir):
        app.add_static_path('tmp', doc.tempdir, no_watch=True)
    server = start_server(app)
    loop = asyncio.get_event_loop()
    try:
        loop.run_forever()
    except KeyboardInterrupt:
        pass
    finally:
        stop_server(server)
        loop.close()


if __name__ == '__main__':
    main()