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LSST Data Management Base Package
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Classes | Functions
lsst.afw.table._schemaMapper Namespace Reference

Classes

class  SchemaMapper
 

Functions

 makeSchemaMapper (input, output, mappings)
 

Function Documentation

◆ makeSchemaMapper()

lsst.afw.table._schemaMapper.makeSchemaMapper ( input,
output,
mappings )
Build a mapper from two Schemas and the mapping between them.
For pickle support.

Parameters
----------
input : `lsst.afw.table.Schema`
    The input schema for the mapper.
output : `lsst.afw.table.Schema`
    The output schema for the mapper.
mappings : `dict` [`lsst.afw.table.Key`, `lsst.afw.table.Key`]
    The mappings to define between the input and output schema.

Returns
-------
mapper : `lsst.afw.table.SchemaMapper`
    The constructed SchemaMapper.

Definition at line 138 of file _schemaMapper.py.

138def makeSchemaMapper(input, output, mappings):
139 """Build a mapper from two Schemas and the mapping between them.
140 For pickle support.
141
142 Parameters
143 ----------
144 input : `lsst.afw.table.Schema`
145 The input schema for the mapper.
146 output : `lsst.afw.table.Schema`
147 The output schema for the mapper.
148 mappings : `dict` [`lsst.afw.table.Key`, `lsst.afw.table.Key`]
149 The mappings to define between the input and output schema.
150
151 Returns
152 -------
153 mapper : `lsst.afw.table.SchemaMapper`
154 The constructed SchemaMapper.
155 """
156 mapper = SchemaMapper(input, output)
157 for key, value in mappings.items():
158 mapper.addMapping(key, value)
159 return mapper