mirror of https://github.com/Kozea/pygal.git
Florian Mounier
9 years ago
44 changed files with 661 additions and 257 deletions
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pygal.graph.horizontalline module |
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================================= |
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.. automodule:: pygal.graph.horizontalline |
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:members: |
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:undoc-members: |
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:show-inheritance: |
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pygal.graph.horizontalstackedline module |
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======================================== |
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.. automodule:: pygal.graph.horizontalstackedline |
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:members: |
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:undoc-members: |
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:show-inheritance: |
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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 © 2012-2015 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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""" |
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Formatters to use with `value_formatter` and `x_value_formatter` configs |
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""" |
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from __future__ import division |
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from datetime import datetime, date, time |
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from math import floor, log |
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from pygal._compat import u, to_str |
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from pygal.util import float_format |
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class Formatter(object): |
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pass |
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class HumanReadable(Formatter): |
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"""Format a number to engineer scale""" |
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ORDERS = u("yzafpnµm kMGTPEZY") |
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def __init__(self, none_char=u('∅')): |
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self.none_char = none_char |
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def __call__(self, val): |
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if val is None: |
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return self.none_char |
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order = val and int(floor(log(abs(val)) / log(1000))) |
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orders = self.ORDERS.split(" ")[int(order > 0)] |
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if order == 0 or order > len(orders): |
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return float_format(val / (1000 ** int(order))) |
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return ( |
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float_format(val / (1000 ** int(order))) + |
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orders[int(order) - int(order > 0)]) |
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class Significant(Formatter): |
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"""Show precision significant digit of float""" |
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def __init__(self, precision=10): |
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self.format = '%%.%dg' % precision |
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def __call__(self, val): |
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if val is None: |
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return '' |
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return self.format % val |
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class Integer(Formatter): |
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"""Cast number to integer""" |
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def __call__(self, val): |
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if val is None: |
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return '' |
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return '%d' % val |
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class Raw(Formatter): |
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"""Cast everything to string""" |
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def __call__(self, val): |
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if val is None: |
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return '' |
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return to_str(val) |
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class IsoDateTime(Formatter): |
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"""Iso format datetimes""" |
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def __call__(self, val): |
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if val is None: |
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return '' |
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return val.isoformat() |
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class Default(Significant, IsoDateTime, Raw): |
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"""Try to guess best format from type""" |
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def __call__(self, val): |
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if val is None: |
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return '' |
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if isinstance(val, (int, float)): |
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return Significant.__call__(self, val) |
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if isinstance(val, (date, time, datetime)): |
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return IsoDateTime.__call__(self, val) |
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return Raw.__call__(self, val) |
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# Formatters with default options |
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human_readable = HumanReadable() |
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significant = Significant() |
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integer = Integer() |
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raw = Raw() |
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# Default config formatter |
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default = Default() |
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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 © 2012-2015 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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"""Horizontal line graph""" |
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from pygal.graph.line import Line |
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from pygal.graph.horizontal import HorizontalGraph |
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class HorizontalLine(HorizontalGraph, Line): |
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"""Horizontal Line graph""" |
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def _plot(self): |
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"""Draw the lines in reverse order""" |
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for serie in self.series[::-1]: |
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self.line(serie) |
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for serie in self.secondary_series[::-1]: |
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self.line(serie, True) |
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@ -0,0 +1,35 @@ |
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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 © 2012-2015 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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"""Horizontal Stacked Line graph""" |
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from pygal.graph.stackedline import StackedLine |
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from pygal.graph.horizontal import HorizontalGraph |
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class HorizontalStackedLine(HorizontalGraph, StackedLine): |
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"""Horizontal Stacked Line graph""" |
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def _plot(self): |
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"""Draw the lines in reverse order""" |
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for serie in self.series[::-1]: |
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self.line(serie) |
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for serie in self.secondary_series[::-1]: |
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self.line(serie, True) |
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@ -0,0 +1,88 @@ |
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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 © 2012-2015 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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"""Test formatters""" |
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from pygal import formatters |
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from pygal._compat import u |
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def test_human_readable(): |
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"""Test human_readable formatter""" |
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f = formatters.human_readable |
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assert f(1) == '1' |
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assert f(1.) == '1' |
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assert f(10) == '10' |
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assert f(12.5) == '12.5' |
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assert f(1000) == '1k' |
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assert f(5000) == '5k' |
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assert f(100000) == '100k' |
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assert f(1253) == '1.253k' |
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assert f(1250) == '1.25k' |
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assert f(0.1) == '100m' |
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assert f(0.01) == '10m' |
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assert f(0.001) == '1m' |
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assert f(0.002) == '2m' |
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assert f(0.0025) == '2.5m' |
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assert f(0.0001) == u('100µ') |
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assert f(0.000123) == u('123µ') |
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assert f(0.00001) == u('10µ') |
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assert f(0.000001) == u('1µ') |
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assert f(0.0000001) == u('100n') |
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assert f(0.0000000001) == u('100p') |
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assert f(0) == '0' |
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assert f(0.) == '0' |
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assert f(-1337) == '-1.337k' |
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assert f(-.000000042) == '-42n' |
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def test_human_readable_custom(): |
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"""Test human_readable formatter option""" |
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f = formatters.HumanReadable() |
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assert f(None) == u('∅') |
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f = formatters.HumanReadable(none_char='/') |
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assert f(None) == '/' |
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def test_significant(): |
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"""Test significant formatter""" |
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f = formatters.significant |
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assert f(1) == '1' |
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assert f(1.) == '1' |
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assert f(-1.) == '-1' |
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assert f(10) == '10' |
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assert f(10000000000) == '1e+10' |
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assert f(100000000000) == '1e+11' |
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assert f(120000000000) == '1.2e+11' |
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assert f(.1) == '0.1' |
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assert f(.01) == '0.01' |
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assert f(.0000000001) == '1e-10' |
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assert f(-.0000000001) == '-1e-10' |
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assert f(.0000000001002) == '1.002e-10' |
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assert f(.0000000001002) == '1.002e-10' |
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assert f(.12345678912345) == '0.1234567891' |
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assert f(.012345678912345) == '0.01234567891' |
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assert f(12345678912345) == '1.234567891e+13' |
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