mirror of https://github.com/Kozea/pygal.git
Python to generate nice looking SVG graph
http://pygal.org/
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59 lines
2.0 KiB
59 lines
2.0 KiB
# -*- 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 © 2012-2016 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 INTERPOLATIONS |
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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=INTERPOLATIONS, 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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