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Documented gdal DataSource encoding parameter 

Thanks Max Demars for the suggestion and Tim Graham for the review.
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Claude Paroz 2015-03-12 18:12:11 +01:00
parent f6b09a7f85
commit a8991b9b9f
1 changed files with 8 additions and 3 deletions
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11
docs/ref/contrib/gis/gdal.txt
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@ -55,10 +55,10 @@ points, polygons, etc.), as well as the names and types of any
additional fields (:class:`Field`) of data that may be associated with additional fields (:class:`Field`) of data that may be associated with
each feature in that layer. each feature in that layer.
.. class:: DataSource(ds_input) .. class:: DataSource(ds_input, [encoding='utf-8'])
The constructor for ``DataSource`` just a single parameter: the path of The constructor for ``DataSource`` only requires one parameter: the path of
the file you want to read. However, OGR the file you want to read. However, OGR
also supports a variety of more complex data sources, including also supports a variety of more complex data sources, including
databases, that may be accessed by passing a special name string instead databases, that may be accessed by passing a special name string instead
of a path. For more information, see the `OGR Vector Formats`__ of a path. For more information, see the `OGR Vector Formats`__
@ -66,6 +66,11 @@ each feature in that layer.
instance gives the OGR name of the underlying data source that it is instance gives the OGR name of the underlying data source that it is
using. using.
The optional ``encoding`` parameter allows you to
specify a non-standard encoding of the strings in the source. This is
typically useful when you obtain ``DjangoUnicodeDecodeError`` exceptions
while reading field values.
Once you've created your ``DataSource``, you can find out how many Once you've created your ``DataSource``, you can find out how many
layers of data it contains by accessing the :attr:`layer_count` property, layers of data it contains by accessing the :attr:`layer_count` property,
or (equivalently) by using the ``len()`` function. For information on or (equivalently) by using the ``len()`` function. For information on