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# -*- coding: utf-8 -*-
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# This file is part of pygal
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#
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# A python svg graph plotting library
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# Copyright © 2012 Kozea
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#
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# This library is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option) any
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# later version.
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#
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# This library is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with pygal. If not, see <http://www.gnu.org/licenses/>.
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from flask import Flask, render_template, request, jsonify
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from pygal import CHARTS_BY_NAME
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from pygal.graph import CHARTS_NAMES
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from pygal.config import CONFIG_ITEMS
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from pygal.interpolate import KINDS
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from pygal.style import styles
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from json import loads
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from time import time
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def create_app():
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"""Creates the pygal test web app"""
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app = Flask(__name__)
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@app.route("/")
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def index():
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return render_template(
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'index.jinja2', charts_names=CHARTS_NAMES, configs=CONFIG_ITEMS,
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interpolations=KINDS, styles_names=styles.keys())
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@app.route("/svg", methods=('POST',))
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def svg():
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values = request.values
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config = loads(values['opts'])
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config['disable_xml_declaration'] = True
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config['style'] = styles[values['style']]
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config['js'] = []
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for item in CONFIG_ITEMS:
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value = config.get(item.name, None)
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if value:
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config[item.name] = item.coerce(value)
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chart = CHARTS_BY_NAME[values['type']](**config)
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for serie in loads(values['vals'])['vals']:
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chart.add(serie[0], serie[1])
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t = time()
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svg = chart.render()
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tt = int((time() - t) * 1000)
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return jsonify(svg=svg, time=tt)
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return app
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