[mapserver-dev] Python 3 classes missing

[Seth G]

Hi Fabian,

When you say you got a packaged MapScript - why do you need to rebuild? Shouldn't the mapscript.py and _mapscript.so already be part of the package, so you can just drop them into your Python path?

If you are building from source you'll probably need to use CMake. You can also build Wheels CMake and SWIG - see https://pypi.org/project/mapscript/

Regards,

Seth

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On Fri, Feb 7, 2020, at 9:46 AM, Schindler, Fabian wrote:
> Hi all,
> 
> I'm experiencing a strange issue when using an RPM-packaged mapscript on CentOS 7. I'm building against version 7.4.3.
> 
> When I import the python package, it seems that all classes are missing from that package, whereas all instance methods (or their SWIG interfaces) all seem to be there. For example the `mapObj`:
> 
> >>> [item for item in dir(mapscript) if 'mapObj' in item]
> ['delete_mapObj', 'mapObj_OWSDispatch', 'mapObj_appendOutputFormat', 'mapObj_applyConfigOptions', 'mapObj_applySLD', 'mapObj_applySLDURL', 'mapObj_cellsize_get', 'mapObj_cellsize_set', 'mapObj_clone', 'mapObj_configoptions_get', 'mapObj_convertToString', 'mapObj_datapattern_get', 'mapObj_datapattern_set', 'mapObj_debug_get', 'mapObj_debug_set', 'mapObj_defresolution_get', 'mapObj_defresolution_set', 'mapObj_draw', 'mapObj_drawLabelCache', 'mapObj_drawLegend', 'mapObj_drawQuery', 'mapObj_drawReferenceMap', 'mapObj_drawScalebar', 'mapObj_embedLegend', 'mapObj_embedScalebar', 'mapObj_extent_get', 'mapObj_extent_set', 'mapObj_fontset_get', 'mapObj_freeQuery', 'mapObj_generateSLD', 'mapObj_getConfigOption', 'mapObj_getFirstMetaDataKey', 'mapObj_getLayer', 'mapObj_getLayerByName', 'mapObj_getLayerOrder', 'mapObj_getLayersDrawingOrder', 'mapObj_getMetaData', 'mapObj_getNextMetaDataKey', 'mapObj_getNumSymbols', 'mapObj_getOutputFormat', 'mapObj_getOutputFormatByName', 'mapObj_getProjection', 'mapObj_getSize', 'mapObj_getSymbolByName', 'mapObj_height_get', 'mapObj_height_set', 'mapObj_imagecolor_get', 'mapObj_imagecolor_set', 'mapObj_imagequality_get', 'mapObj_imagequality_set', 'mapObj_imagetype_get', 'mapObj_insertLayer', 'mapObj_interlace_get', 'mapObj_interlace_set', 'mapObj_labelcache_get', 'mapObj_layerorder_get', 'mapObj_layerorder_set', 'mapObj_legend_get', 'mapObj_loadMapContext', 'mapObj_loadOWSParameters', 'mapObj_loadQuery', 'mapObj_mappath_get', 'mapObj_mappath_set', 'mapObj_maxlayers_get', 'mapObj_maxsize_get', 'mapObj_maxsize_set', 'mapObj_moveLayerDown', 'mapObj_moveLayerUp', 'mapObj_name_get', 'mapObj_name_set', 'mapObj_numlayers_get', 'mapObj_numoutputformats_get', 'mapObj_offsetExtent', 'mapObj_outputformat_get', 'mapObj_prepareImage', 'mapObj_prepareQuery', 'mapObj_processLegendTemplate', 'mapObj_processQueryTemplate', 'mapObj_processTemplate', 'mapObj_queryByFeatures', 'mapObj_queryByFilter', 'mapObj_queryByPoint', 'mapObj_queryByRect', 'mapObj_queryByShape', 'mapObj_querymap_get', 'mapObj_refcount_get', 'mapObj_reference_get', 'mapObj_removeLayer', 'mapObj_removeMetaData', 'mapObj_removeOutputFormat', 'mapObj_resolution_get', 'mapObj_resolution_set', 'mapObj_save', 'mapObj_saveMapContext', 'mapObj_saveQuery', 'mapObj_saveQueryAsGML', 'mapObj_scaleExtent', 'mapObj_scalebar_get', 'mapObj_scaledenom_get', 'mapObj_scaledenom_set', 'mapObj_selectOutputFormat', 'mapObj_setCenter', 'mapObj_setConfigOption', 'mapObj_setExtent', 'mapObj_setFontSet', 'mapObj_setImageType', 'mapObj_setLayerOrder', 'mapObj_setLayersDrawingOrder', 'mapObj_setMetaData', 'mapObj_setOutputFormat', 'mapObj_setProjection', 'mapObj_setRotation', 'mapObj_setSize', 'mapObj_setSymbolSet', 'mapObj_setWKTProjection', 'mapObj_shapepath_get', 'mapObj_shapepath_set', 'mapObj_status_get', 'mapObj_status_set', 'mapObj_swigregister', 'mapObj_symbolset_get', 'mapObj_templatepattern_get', 'mapObj_templatepattern_set', 'mapObj_transparent_get', 'mapObj_transparent_set', 'mapObj_units_get', 'mapObj_units_set', 'mapObj_web_get', 'mapObj_width_get', 'mapObj_width_set', 'mapObj_zoomPoint', 'mapObj_zoomRectangle', 'mapObj_zoomScale', 'new_mapObj']
> 
> 
> I'm using swig3-3.0.12-17 and the package is built with a simple `python3 setup.py build`.
> 
> Any hints on what may be wrong here?
> 
> Regards,
> Fabian
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