server.py 7.86 KB
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import tornado.ioloop
import grond
import os.path as op
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import logging
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import numpy as num
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from collections import OrderedDict

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from pyrocko.guts import Object, Bool, String, Int
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from tornado.web import RequestHandler, StaticFileHandler
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from tornado import gen

from bokeh.embed import autoload_server
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from bokeh.application import Application
from bokeh.server.server import Server as BokehServer
from bokeh.application.handlers import Handler as BokehHandler
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from bokeh.models import ColumnDataSource
from bokeh import layouts
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from bokeh.plotting import figure


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def makeColorGradient(misfits, fr=1., fg=.5, fb=1.,
                      pr=0, pg=2.5, pb=4):
    misfits /= misfits.max()
    r = num.sin(fr * misfits + pr) * 127 + 128
    g = num.sin(fg * misfits + pg) * 127 + 128
    b = num.sin(fb * misfits + pb) * 127 + 128
    return ['#%02x%02x%02x' % (r[i], g[i], b[i]) for i in xrange(misfits.size)]


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class BaraddurRequestHandler(RequestHandler):
    def initialize(self, config):
        self.config = config

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class BaraddurBokehHandler(BokehHandler):
    def __init__(self, config, *args, **kwargs):
        BokehHandler.__init__(self, *args, **kwargs)
        self.config = config


class Status(BaraddurRequestHandler):

    class MisfitsPlot(BaraddurBokehHandler):
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        def modify_document(self, doc):
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            self.nmodels = 0
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            self.source = ColumnDataSource(
                data={'n': [],
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                      'gm': []})
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            self.update_misfits()

            plot = figure(webgl=True,
                          x_axis_label='Iteration #',
                          y_axis_label='Misfit')
            plot.scatter('n', 'gm',
                         source=self.source, alpha=.4)

            doc.add_root(plot)
            doc.add_periodic_callback(self.update_misfits, 1e3)

        @gen.coroutine
        def update_misfits(self):
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            mx, misfits = grond.core.load_problem_data(
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                self.config.rundir, self.config.problem,
                skip_models=self.nmodels)
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            new_nmodels = mx.shape[0]

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            fits = num.mean(misfits, axis=1)
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            self.source.stream(dict(gm=fits[:, 0],
                                    n=num.arange(new_nmodels,
                                                 dtype=num.int) +
                                    self.nmodels + 1))
            self.nmodels += new_nmodels
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    bokeh_handlers = {'misfit_plot': MisfitsPlot}

    @gen.coroutine
    def get(self):
        self.render('status.html',
                    pages=pages,
                    misfit_plot=autoload_server(None, url='/misfit_plot'),
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                    problem=self.config.problem)
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class Parameters(BaraddurRequestHandler):
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    class ParameterPlots(BaraddurBokehHandler):
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        ncols = 4

        def modify_document(self, doc):
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            self.nmodels = 0
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            problem = self.config.problem

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            self.source = ColumnDataSource()
            for p in ['n'] + [p.name for p in problem.parameters]:
                self.source.add([], p)
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            self.update_parameters()

            plots = []
            for par in problem.parameters:
                fig = figure(webgl=True,
                             x_axis_label='Iteration #',
                             y_axis_label='%s [%s]' % (par.label, par.unit))
                fig.scatter('n', par.name,
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                            source=self.source, alpha=.4)
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                plots.append(fig)
            plots += ([None] * (self.ncols - (len(plots) % self.ncols)))

            grid = layouts.gridplot(
                plots,
                responsive=True,
                ncols=self.ncols)

            doc.add_root(grid)
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            doc.add_periodic_callback(self.update_parameters, 2.5*1e3)
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        @gen.coroutine
        def update_parameters(self):
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            problem = self.config.problem

            try:
                mx, misfits = grond.core.load_problem_data(
                    self.config.rundir, problem, skip_models=self.nmodels)
            except IOError:
                return

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            new_nmodels = mx.shape[0]
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            new_data = {}
            for ip, par in enumerate(problem.parameters):
                new_data[par.name] = mx[:, ip]
            new_data['n'] = num.arange(new_nmodels, dtype=num.int) +\
                self.nmodels + 1
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            self.source.stream(new_data)
            self.nmodels += new_nmodels
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    bokeh_handlers = {'parameter_plot': ParameterPlots}
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    @gen.coroutine
    def get(self):

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        self.render('parameter_plots.html',
                    pages=pages,
                    parameter_plot=autoload_server(
                        None,
                        url='/parameter_plot'),
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                    problem=self.config.problem)
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class Summary(BaraddurRequestHandler):
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    @gen.coroutine
    def get(self):
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        self.render('summary.html',
                    pages=pages,
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                    problem=self.config.problem)
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class MainHandler(BaraddurRequestHandler):
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    @gen.coroutine
    def get(self):
        self.render('index.html',
                    pages=pages)


pages = OrderedDict([
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    ('Status', Status),
    ('Parameters', Parameters),
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    ('Summary', Summary),
    ('Sequences', MainHandler),
])


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class BaraddurConfig(Object):
    rundir = String.T()
    template_path = String.T(
        default='tpl',
        optional=True)
    debug = Bool.T(
        default=True,
        optional=True)
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    port = Int.T(
        default=8080,
        optional=True)
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    @property
    def problem(self):
        return grond.core.load_problem_info(self.rundir)


class Baraddur(BokehServer):
    def __init__(self, rundir=None, *args, **kwargs):
        self.config = BaraddurConfig(rundir=rundir)

        BokehServer.__init__(
            self,
            self.get_bokeh_apps(),
            io_loop=tornado.ioloop.IOLoop.current(),
            extra_patterns=self.get_tornado_handlers(),
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            hosts='*.*.*.*')
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        tornado_app = self._tornado
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        tornado_app.listen(8080)
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        tornado_app.settings['template_path'] = self.config.template_path

        if self.config.debug:
            tornado_app.settings.setdefault('autoreload', True)
            tornado_app.settings.setdefault('compiled_template_cache', False)
            tornado_app.settings.setdefault('static_hash_cache', False)
            tornado_app.settings.setdefault('serve_traceback', True)
            # Automatically reload modified modules
            from tornado import autoreload
            autoreload.start()

            console = logging.StreamHandler()
            console.setLevel(logging.DEBUG)
            formatter = logging.Formatter(
                '%(name)-12s: %(levelname)-8s %(message)s')
            console.setFormatter(formatter)
            rootLogger = logging.getLogger('')
            rootLogger.addHandler(console)
            rootLogger.setLevel(logging.DEBUG)

    def get_bokeh_apps(self):
        bokeh_apps = {}
        for tornado_handler in pages.itervalues():
            handler_docs = getattr(tornado_handler, 'bokeh_handlers',
                                   None)
            if handler_docs is None:
                continue

            for url, bokeh_handler in handler_docs.iteritems():
                bokeh_apps['/%s' % url] = Application(bokeh_handler(
                    self.config))
        return bokeh_apps

    def get_tornado_handlers(self):
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        return [(r'/', pages.values()[0],
                 {'config': self.config})] +\
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               [(r'/%s' % title, handler,
                 {'config': self.config})
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                for title, handler in pages.iteritems()] +\
               [(r'/css/(.*)', StaticFileHandler,
                {'path': op.join(op.dirname(__file__), 'css')})]

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    def start(self):
        BokehServer.start(self)
        tornado.ioloop.IOLoop.current().start()


if __name__ == '__main__':
    baraddur = Baraddur(
        rundir='/home/marius/Development/testing/grond/rundir')
    baraddur.start()