/usr/share/pyshared/graphy/backends/google_chart_api/__init__.py is in python-graphy 1.0+dfsg-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | #!/usr/bin/python2.4
#
# Copyright 2008 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Backend which can generate charts using the Google Chart API."""
from graphy import line_chart
from graphy import bar_chart
from graphy import pie_chart
from graphy.backends.google_chart_api import encoders
def _GetChartFactory(chart_class, display_class):
"""Create a factory method for instantiating charts with displays.
Returns a method which, when called, will create & return a chart with
chart.display already populated.
"""
def Inner(*args, **kwargs):
chart = chart_class(*args, **kwargs)
chart.display = display_class(chart)
return chart
return Inner
# These helper methods make it easy to get chart objects with display
# objects already setup. For example, this:
# chart = google_chart_api.LineChart()
# is equivalent to:
# chart = line_chart.LineChart()
# chart.display = google_chart_api.LineChartEncoder()
#
# (If there's some chart type for which a helper method isn't available, you
# can always just instantiate the correct encoder manually, like in the 2nd
# example above).
# TODO: fix these so they have nice docs in ipython (give them __doc__)
LineChart = _GetChartFactory(line_chart.LineChart, encoders.LineChartEncoder)
Sparkline = _GetChartFactory(line_chart.Sparkline, encoders.SparklineEncoder)
BarChart = _GetChartFactory(bar_chart.BarChart, encoders.BarChartEncoder)
PieChart = _GetChartFactory(pie_chart.PieChart, encoders.PieChartEncoder)
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