mirror of https://github.com/Kozea/pygal.git
Python to generate nice looking SVG graph
http://pygal.org/
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101 lines
2.7 KiB
101 lines
2.7 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 © 2012-2014 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 pygal import CHARTS_NAMES, CHARTS_BY_NAME |
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from pygal.test import adapt |
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from random import sample |
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import timeit |
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import sys |
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rands = list(zip( |
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sample(range(1000), 1000), |
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sample(range(1000), 1000))) |
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def perf(chart_name, length, series): |
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chart = CHARTS_BY_NAME.get(chart_name)() |
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for i in range(series): |
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chart.add('s %d' % i, adapt(chart, rands[:length])) |
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return chart |
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def prt(s): |
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sys.stdout.write(s) |
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sys.stdout.flush() |
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if '--profile' in sys.argv: |
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import cProfile |
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c = perf('Line', 500, 500) |
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cProfile.run("c.render()") |
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sys.exit(0) |
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if '--mem' in sys.argv: |
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_TWO_20 = float(2 ** 20) |
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import os |
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import psutil |
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import linecache |
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pid = os.getpid() |
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process = psutil.Process(pid) |
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import gc |
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gc.set_debug(gc.DEBUG_UNCOLLECTABLE | gc.DEBUG_INSTANCES | gc.DEBUG_OBJECTS) |
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def print_mem(): |
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mem = process.get_memory_info()[0] / _TWO_20 |
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f = sys._getframe(1) |
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line = linecache.getline(f.f_code.co_filename, f.f_lineno - 1).replace('\n', '') |
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print('%s:%d \t| %.6f \t| %s' % ( |
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f.f_code.co_name, f.f_lineno, mem, line)) |
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c = perf('Line', 100, 500) |
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print_mem() |
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a = c.render() |
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print_mem() |
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import objgraph |
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objgraph.show_refs([c], filename='sample-graph.png') |
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gc.collect() |
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print_mem() |
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print(gc.garbage) |
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print_mem() |
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del a |
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print_mem() |
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del c |
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print_mem() |
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sys.exit(0) |
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charts = CHARTS_NAMES if '--all' in sys.argv else 'Line', |
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for chart in charts: |
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prt('%s\n' % chart) |
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prt('s\\l\t1\t10\t100') |
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for series in (1, 10, 100): |
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prt('\n%d\t' % series) |
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for length in (1, 10, 100): |
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times = [] |
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time = timeit.timeit( |
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"c.render()", |
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setup="from __main__ import perf; c = perf('%s', %d, %d)" % ( |
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chart, length, series), |
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number=10) |
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prt('%d\t' % (1000 * time)) |
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prt('\n')
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