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"""Filter used to select the first preferred output format available.
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The filter contained in the file allows the converter templates to select
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the output format that is most valuable to the active export format. The
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value of the different formats is set via
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GlobalConfigurable.display_data_priority
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"""
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#-----------------------------------------------------------------------------
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# Copyright (c) 2013, the IPython Development Team.
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#
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# Distributed under the terms of the Modified BSD License.
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#
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# The full license is in the file COPYING.txt, distributed with this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Classes and functions
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#-----------------------------------------------------------------------------
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class DataTypeFilter(object):
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""" Returns the preferred display format """
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display_data_priority = ['html', 'pdf', 'svg', 'latex', 'png', 'jpg', 'jpeg' , 'text']
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def __call__(self, output):
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""" Return the first available format in the priority """
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for fmt in self.display_data_priority:
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if fmt in output:
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return [fmt]
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return []
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