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75 lines
3.1 KiB
Python
75 lines
3.1 KiB
Python
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# Copyright (c) 202 Mitch Garnaat http://garnaat.org/
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# Copyright (c) 2012 Amazon.com, Inc. or its affiliates.
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# All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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class SourceAttribute(object):
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"""
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Provide information about attributes for an index field.
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A maximum of 20 source attributes can be configured for
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each index field.
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:ivar default: Optional default value if the source attribute
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is not specified in a document.
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:ivar name: The name of the document source field to add
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to this ``IndexField``.
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:ivar data_function: Identifies the transformation to apply
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when copying data from a source attribute.
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:ivar data_map: The value is a dict with the following keys:
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* cases - A dict that translates source field values
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to custom values.
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* default - An optional default value to use if the
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source attribute is not specified in a document.
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* name - the name of the document source field to add
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to this ``IndexField``
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:ivar data_trim_title: Trims common title words from a source
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document attribute when populating an ``IndexField``.
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This can be used to create an ``IndexField`` you can
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use for sorting. The value is a dict with the following
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fields:
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* default - An optional default value.
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* language - an IETF RFC 4646 language code.
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* separator - The separator that follows the text to trim.
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* name - The name of the document source field to add.
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"""
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ValidDataFunctions = ('Copy', 'TrimTitle', 'Map')
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def __init__(self):
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self.data_copy = {}
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self._data_function = self.ValidDataFunctions[0]
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self.data_map = {}
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self.data_trim_title = {}
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@property
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def data_function(self):
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return self._data_function
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@data_function.setter
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def data_function(self, value):
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if value not in self.ValidDataFunctions:
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valid = '|'.join(self.ValidDataFunctions)
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raise ValueError('data_function must be one of: %s' % valid)
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self._data_function = value
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