110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
# -*- 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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"""
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Main pygal package.
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This package holds all available charts in pygal, the Config class
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and the maps extensions namespace module.
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"""
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from .__about__ import * # noqa: F401,F403
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import pkg_resources
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import sys
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import traceback
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import warnings
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from pygal.graph.bar import Bar
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from pygal.graph.box import Box
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from pygal.graph.dot import Dot
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from pygal.graph.funnel import Funnel
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from pygal.graph.gauge import Gauge
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from pygal.graph.solidgauge import SolidGauge
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from pygal.graph.histogram import Histogram
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from pygal.graph.horizontalbar import HorizontalBar
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from pygal.graph.horizontalstackedbar import HorizontalStackedBar
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from pygal.graph.line import Line
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from pygal.graph.horizontalline import HorizontalLine
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from pygal.graph.horizontalstackedline import HorizontalStackedLine
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from pygal.graph.pie import Pie
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from pygal.graph.pyramid import Pyramid, VerticalPyramid
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from pygal.graph.radar import Radar
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from pygal.graph.stackedbar import StackedBar
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from pygal.graph.stackedline import StackedLine
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from pygal.graph.time import DateLine, DateTimeLine, TimeLine, TimeDeltaLine
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from pygal.graph.treemap import Treemap
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from pygal.graph.xy import XY
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from pygal.graph.graph import Graph
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from pygal.config import Config
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from pygal import maps
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CHARTS_BY_NAME = dict(
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[(k, v) for k, v in locals().items()
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if isinstance(v, type) and issubclass(v, Graph) and v != Graph])
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from pygal.graph.map import BaseMap
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for entry in pkg_resources.iter_entry_points('pygal.maps'):
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try:
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module = entry.load()
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except Exception:
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warnings.warn('Unable to load %s pygal plugin \n\n%s' % (
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entry, traceback.format_exc()), Warning)
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continue
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setattr(maps, entry.name, module)
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for k, v in module.__dict__.items():
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if isinstance(v, type) and issubclass(v, BaseMap) and v != BaseMap:
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CHARTS_BY_NAME[entry.name.capitalize() + k + 'Map'] = v
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CHARTS_NAMES = list(CHARTS_BY_NAME.keys())
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CHARTS = list(CHARTS_BY_NAME.values())
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class PluginImportFixer(object):
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"""
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Allow external map plugins to be imported from pygal.maps package.
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It is a ``sys.meta_path`` loader.
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"""
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def find_module(self, fullname, path=None):
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"""
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Tell if the module to load can be loaded by
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the load_module function, ie: if it is a ``pygal.maps.*``
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module.
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"""
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if fullname.startswith('pygal.maps.') and hasattr(
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maps, fullname.split('.')[2]):
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return self
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return None
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def load_module(self, name):
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"""
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Load the ``pygal.maps.name`` module from the previously
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loaded plugin
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"""
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if name not in sys.modules:
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sys.modules[name] = getattr(maps, name.split('.')[2])
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return sys.modules[name]
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sys.meta_path += [PluginImportFixer()]
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