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# Examples of Supported Schema

PyXB comes with pre-defined bundles which aggregate related namespaces into pre-generated bindings that allow you to use them without having to generate and manage them yourself. These bundles also demonstrate the complexity of schema that PyXB is prepared to handle. Not all namespaces have been fully tested, but they are expected to function correctly.

Although the generating scripts and infrastructure are part of PyXB proper, not all these bundles may have been pre-built in your PyXB distribution. See Generating Bundled Bindings for details on building these bundles.

## common

The following namespaces are available in support of general XML use:

Binding Module | Namespace
--- | ---
`pyxb.bundles.common.xhtml1` | `http://www.w3.org/1999/xhtml`
`pyxb.bundles.common.xlink` | `http://www.w3.org/1999/xlink`
`pyxb.bundles.common.xsd_hfp` | `http://www.w3.org/2001/XMLSchema-hasFacetAndProperty`

## WS-*

The following namespaces are available in support of web service development:

Binding Module | Namespace
--- | ---
`pyxb.bundles.wssplat.bpws` | `http://schemas.xmlsoap.org/ws/2003/03/business-process/`
`pyxb.bundles.wssplat.ds` | `http://www.w3.org/2000/09/xmldsig#`
`pyxb.bundles.wssplat.httpbind` | `http://schemas.xmlsoap.org/wsdl/http/`
`pyxb.bundles.wssplat.mimebind` | `http://schemas.xmlsoap.org/wsdl/mime/`
`pyxb.bundles.wssplat.soap11` | `http://schemas.xmlsoap.org/soap/envelope/`
`pyxb.bundles.wssplat.soap12` | `http://www.w3.org/2003/05/soap-envelope`
`pyxb.bundles.wssplat.soapbind11` | `http://schemas.xmlsoap.org/wsdl/soap/`
`pyxb.bundles.wssplat.soapbind12` | `http://schemas.xmlsoap.org/wsdl/soap12/`
`pyxb.bundles.wssplat.soapenc` | `http://schemas.xmlsoap.org/soap/encoding/`
`pyxb.bundles.wssplat.whttp` | `http://www.w3.org/ns/wsdl/http`
`pyxb.bundles.wssplat.wsa` | `http://www.w3.org/2005/08/addressing`
`pyxb.bundles.wssplat.wsam` | `http://www.w3.org/2007/02/addressing/metadata`
`pyxb.bundles.wssplat.wscoor` | `http://docs.oasis-open.org/ws-tx/wscoor/2006/06`
`pyxb.bundles.wssplat.wsdl11` | `http://schemas.xmlsoap.org/wsdl/`
`pyxb.bundles.wssplat.wsdl20` | `http://www.w3.org/ns/wsdl`
`pyxb.bundles.wssplat.wsdli` | `http://www.w3.org/ns/wsdl-instance`
`pyxb.bundles.wssplat.wsdlx` | `http://www.w3.org/ns/wsdl-extensions`
`pyxb.bundles.wssplat.wsnt` | `http://docs.oasis-open.org/wsn/b-2`
`pyxb.bundles.wssplat.wsoap` | `http://www.w3.org/ns/wsdl/soap`
`pyxb.bundles.wssplat.wsp200607` | `http://www.w3.org/2006/07/ws-policy`
`pyxb.bundles.wssplat.wsp` | `http://www.w3.org/ns/ws-policy`
`pyxb.bundles.wssplat.wsrf_bf` | `http://docs.oasis-open.org/wsrf/bf-2`
`pyxb.bundles.wssplat.wsrf_br` | `http://docs.oasis-open.org/wsn/br-2`
`pyxb.bundles.wssplat.wsrm` | `http://docs.oasis-open.org/ws-rx/wsrm/200702`
`pyxb.bundles.wssplat.wsse` | `http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd`
`pyxb.bundles.wssplat.wstop` | `http://docs.oasis-open.org/wsn/t-1`
`pyxb.bundles.wssplat.wsu` | `http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd`
`pyxb.bundles.wssplat.xenc` | `http://www.w3.org/2001/04/xmlenc#`

## SAML

The following namespaces are available in support of the Security Assertion Markup Language:

Binding Module | Namespace
--- | ---
`pyxb.bundles.saml20.assertion` | `urn:oasis:names:tc:SAML:2.0:assertion`
`pyxb.bundles.saml20.dce` | `urn:oasis:names:tc:SAML:2.0:profiles:attribute:DCE`
`pyxb.bundles.saml20.ecp` | `urn:oasis:names:tc:SAML:2.0:profiles:SSO:ecp`
`pyxb.bundles.saml20.metadata` | `urn:oasis:names:tc:SAML:2.0:metadata`
`pyxb.bundles.saml20.protocol` | `urn:oasis:names:tc:SAML:2.0:protocol`
`pyxb.bundles.saml20.x500` | `urn:oasis:names:tc:SAML:2.0:profiles:attribute:X500`
`pyxb.bundles.saml20.xacml` | `urn:oasis:names:tc:SAML:2.0:profiles:attribute:XACML`

## Dublin Core

The following namespaces are available in support of the Dublin Core(R) Metadata Initiative.

Binding Module | Namespace
--- | ---
`pyxb.bundles.dc.dc` | `http://purl.org/dc/elements/1.1/`
`pyxb.bundles.dc.dcmitype` | `http://purl.org/dc/dcmitype/`
`pyxb.bundles.dc.dcterms` | `http://purl.org/dc/terms/`

## ECMA-376 (Open Office XML)

ECMA 376 aka “Office Open XML” aka “ISO/IEC 29500” is a standard for XML-based office software suite documents, including Microsoft Office 2007 and 2010.

This bundle is not populated in the distributed versions of PyXB because it requires some 250MB of space to hold the schemas, generated bindings, and archive files. To build it, set `PYXB_ROOT` environment variable to the absolute path of the unpacked PyXB distribution (the directory containing `setup.py`) and run these commands:

    cd ${PYXB_ROOT}
    pyxb/bundles/ecma376/scripts/genbind

This will download the schemas from OGC and generate bindings for both sets of namespaces below.

Note that there are two incompatible schema sets which share namespaces. Import only one. If you wish to extend the classes in these namespaces, ensure your `PYXB_ARCHIVE_PATH` includes only the one you intend to extend.

### ECMA-376 1st Edition (2006)

The first edition of ECMA-376 was a transitional version leading to ISO/IEC 29500, but is not compatible with that standard. It may be needed for older documents, including those processed by Microsoft Office 2007.

Binding Module | Namespace
--- | ---
`pyxb.bundles.ecma376.v2006.dml.audioVideo` | `http://schemas.openxmlformats.org/drawingml/2006/main`
`pyxb.bundles.ecma376.v2006.dml.chartDrawing` | `http://schemas.openxmlformats.org/drawingml/2006/chartDrawing`
`pyxb.bundles.ecma376.v2006.dml.chart` | `http://schemas.openxmlformats.org/drawingml/2006/chart`
`pyxb.bundles.ecma376.v2006.dml.compatibility` | `http://schemas.openxmlformats.org/drawingml/2006/compatibility`
`pyxb.bundles.ecma376.v2006.dml.diagramColorTransform` | `http://schemas.openxmlformats.org/drawingml/2006/diagram`
`pyxb.bundles.ecma376.v2006.dml.lockedCanvas` | `http://schemas.openxmlformats.org/drawingml/2006/lockedCanvas`
`pyxb.bundles.ecma376.v2006.dml.picture` | `http://schemas.openxmlformats.org/drawingml/2006/picture`
`pyxb.bundles.ecma376.v2006.dml.spreadsheetDrawing` | `http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing`
`pyxb.bundles.ecma376.v2006.dml.wordprocessingDrawing` | `http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing`
`pyxb.bundles.ecma376.v2006.opc.contentTypes` | `http://schemas.openxmlformats.org/package/2006/content-types`
`pyxb.bundles.ecma376.v2006.opc.coreProperties` | `http://schemas.openxmlformats.org/package/2006/metadata/core-properties`
`pyxb.bundles.ecma376.v2006.opc.digSig` | `http://schemas.openxmlformats.org/package/2006/digital-signature`
`pyxb.bundles.ecma376.v2006.opc.relationships` | `http://schemas.openxmlformats.org/package/2006/relationships`
`pyxb.bundles.ecma376.v2006.pml.animationInfo` | `http://schemas.openxmlformats.org/presentationml/2006/main`
`pyxb.bundles.ecma376.v2006.shared.additionalCharacteristics` | `http://schemas.openxmlformats.org/officeDocument/2006/characteristics`
`pyxb.bundles.ecma376.v2006.shared.bibliography` | `http://schemas.openxmlformats.org/officeDocument/2006/bibliography`
`pyxb.bundles.ecma376.v2006.shared.customXmlDataProperties` | `http://schemas.openxmlformats.org/officeDocument/2006/customXml`
`pyxb.bundles.ecma376.v2006.shared.customXmlSchemaProperties` | `http://schemas.openxmlformats.org/schemaLibrary/2006/main`
`pyxb.bundles.ecma376.v2006.shared.documentPropertiesCustom` | `http://schemas.openxmlformats.org/officeDocument/2006/custom-properties`
`pyxb.bundles.ecma376.v2006.shared.documentPropertiesExtended` | `http://schemas.openxmlformats.org/officeDocument/2006/extended-properties`
`pyxb.bundles.ecma376.v2006.shared.documentPropertiesVariantTypes` | `http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes`
`pyxb.bundles.ecma376.v2006.shared.math` | `http://schemas.openxmlformats.org/officeDocument/2006/math`
`pyxb.bundles.ecma376.v2006.shared.relationshipReference` | `http://schemas.openxmlformats.org/officeDocument/2006/relationships`
`pyxb.bundles.ecma376.v2006.sml.autoFilter` | `http://schemas.openxmlformats.org/spreadsheetml/2006/main`
`pyxb.bundles.ecma376.v2006.vml.main` | `urn:schemas-microsoft-com:vml`
`pyxb.bundles.ecma376.v2006.vml.officeDrawing` | `urn:schemas-microsoft-com:office:office`
`pyxb.bundles.ecma376.v2006.vml.presentationDrawing` | `urn:schemas-microsoft-com:office:powerpoint`
`pyxb.bundles.ecma376.v2006.vml.spreadsheetDrawing` | `urn:schemas-microsoft-com:office:excel`
`pyxb.bundles.ecma376.v2006.vml.wordprocessingDrawing` | `urn:schemas-microsoft-com:office:word`
`pyxb.bundles.ecma376.v2006.wml` | `http://schemas.openxmlformats.org/wordprocessingml/2006/main`

### ECMA-376 2e/3e/4e (2008)

The ISO/IEC 29500:2008 version has distinct transitional and strict hierarchies. Use one or the other. The packaging schema are shared between these versions, and in fact appear to be unchanged from the 2006 schema except for comments and other whitespace in the schema documents. The various editions contain changes intended to increase conformance to ISO/IEC 29500:2008 and the bundle script is configured to build the 4th edition (December 2012).

Binding Module | Namespace
--- | ---
`pyxb.bundles.ecma376.v2008.opc.contentTypes` | `http://schemas.openxmlformats.org/package/2006/content-types`
`pyxb.bundles.ecma376.v2008.opc.coreProperties` | `http://schemas.openxmlformats.org/package/2006/metadata/core-properties`
`pyxb.bundles.ecma376.v2008.opc.digSig` | `http://schemas.openxmlformats.org/package/2006/digital-signature`
`pyxb.bundles.ecma376.v2008.opc.relationships` | `http://schemas.openxmlformats.org/package/2006/relationships`
`pyxb.bundles.ecma376.v2008.strict.dml.chartDrawing` | `http://purl.oclc.org/ooxml/drawingml/chartDrawing`
`pyxb.bundles.ecma376.v2008.strict.dml.chart` | `http://purl.oclc.org/ooxml/drawingml/chart`
`pyxb.bundles.ecma376.v2008.strict.dml.diagram` | `http://purl.oclc.org/ooxml/drawingml/diagram`
`pyxb.bundles.ecma376.v2008.strict.dml.lockedCanvas` | `http://purl.oclc.org/ooxml/drawingml/lockedCanvas`
`pyxb.bundles.ecma376.v2008.strict.dml.main` | `http://purl.oclc.org/ooxml/drawingml/main`
`pyxb.bundles.ecma376.v2008.strict.dml.picture` | `http://purl.oclc.org/ooxml/drawingml/picture`
`pyxb.bundles.ecma376.v2008.strict.dml.spreadsheetDrawing` | `http://purl.oclc.org/ooxml/drawingml/spreadsheetDrawing`
`pyxb.bundles.ecma376.v2008.strict.dml.wordprocessingDrawing` | `http://purl.oclc.org/ooxml/drawingml/wordprocessingDrawing`
`pyxb.bundles.ecma376.v2008.strict.pml` | `http://purl.oclc.org/ooxml/presentationml/main`
`pyxb.bundles.ecma376.v2008.strict.shared.additionalCharacteristics` | `http://purl.oclc.org/ooxml/officeDocument/characteristics`
`pyxb.bundles.ecma376.v2008.strict.shared.bibliography` | `http://purl.oclc.org/ooxml/officeDocument/bibliography`
`pyxb.bundles.ecma376.v2008.strict.shared.commonSimpleTypes` | `http://purl.oclc.org/ooxml/officeDocument/sharedTypes`
`pyxb.bundles.ecma376.v2008.strict.shared.customXmlDataProperties` | `http://purl.oclc.org/ooxml/officeDocument/customXml`
`pyxb.bundles.ecma376.v2008.strict.shared.customXmlSchemaProperties` | `http://purl.oclc.org/ooxml/schemaLibrary/main`
`pyxb.bundles.ecma376.v2008.strict.shared.documentPropertiesCustom` | `http://purl.oclc.org/ooxml/officeDocument/customProperties`
`pyxb.bundles.ecma376.v2008.strict.shared.documentPropertiesExtended` | `http://purl.oclc.org/ooxml/officeDocument/extendedProperties`
`pyxb.bundles.ecma376.v2008.strict.shared.documentPropertiesVariantTypes` | `http://purl.oclc.org/ooxml/officeDocument/docPropsVTypes`
`pyxb.bundles.ecma376.v2008.strict.shared.math` | `http://purl.oclc.org/ooxml/officeDocument/math`
`pyxb.bundles.ecma376.v2008.strict.shared.relationshipReference` | `http://purl.oclc.org/ooxml/officeDocument/relationships`
`pyxb.bundles.ecma376.v2008.strict.sml` | `http://purl.oclc.org/ooxml/spreadsheetml/main`
`pyxb.bundles.ecma376.v2008.strict.wml` | `http://purl.oclc.org/ooxml/wordprocessingml/main`
`pyxb.bundles.ecma376.v2008.transitional.dml.chartDrawing` | `http://schemas.openxmlformats.org/drawingml/2006/chartDrawing`
`pyxb.bundles.ecma376.v2008.transitional.dml.chart` | `http://schemas.openxmlformats.org/drawingml/2006/chart`
`pyxb.bundles.ecma376.v2008.transitional.dml.diagram` | `http://schemas.openxmlformats.org/drawingml/2006/diagram`
`pyxb.bundles.ecma376.v2008.transitional.dml.lockedCanvas` | `http://schemas.openxmlformats.org/drawingml/2006/lockedCanvas`
`pyxb.bundles.ecma376.v2008.transitional.dml.main` | `http://schemas.openxmlformats.org/drawingml/2006/main`
`pyxb.bundles.ecma376.v2008.transitional.dml.picture` | `http://schemas.openxmlformats.org/drawingml/2006/picture`
`pyxb.bundles.ecma376.v2008.transitional.dml.spreadsheetDrawing` | `http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing`
`pyxb.bundles.ecma376.v2008.transitional.dml.wordprocessingDrawing` | `http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing`
`pyxb.bundles.ecma376.v2008.transitional.pml` | `http://schemas.openxmlformats.org/presentationml/2006/main`
`pyxb.bundles.ecma376.v2008.transitional.shared.additionalCharacteristics` | `http://schemas.openxmlformats.org/officeDocument/2006/characteristics`
`pyxb.bundles.ecma376.v2008.transitional.shared.bibliography` | `http://schemas.openxmlformats.org/officeDocument/2006/bibliography`
`pyxb.bundles.ecma376.v2008.transitional.shared.commonSimpleTypes` | `http://schemas.openxmlformats.org/officeDocument/2006/sharedTypes`
`pyxb.bundles.ecma376.v2008.transitional.shared.customXmlDataProperties` | `http://schemas.openxmlformats.org/officeDocument/2006/customXml`
`pyxb.bundles.ecma376.v2008.transitional.shared.customXmlSchemaProperties` | `http://schemas.openxmlformats.org/schemaLibrary/2006/main`
`pyxb.bundles.ecma376.v2008.transitional.shared.documentPropertiesCustom` | `http://schemas.openxmlformats.org/officeDocument/2006/custom-properties`
`pyxb.bundles.ecma376.v2008.transitional.shared.documentPropertiesExtended` | `http://schemas.openxmlformats.org/officeDocument/2006/extended-properties`
`pyxb.bundles.ecma376.v2008.transitional.shared.documentPropertiesVariantTypes` | `http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes`
`pyxb.bundles.ecma376.v2008.transitional.shared.math` | `http://schemas.openxmlformats.org/officeDocument/2006/math`
`pyxb.bundles.ecma376.v2008.transitional.shared.relationshipReference` | `http://schemas.openxmlformats.org/officeDocument/2006/relationships`
`pyxb.bundles.ecma376.v2008.transitional.sml` | `http://schemas.openxmlformats.org/spreadsheetml/2006/main`
`pyxb.bundles.ecma376.v2008.transitional.vml.main` | `urn:schemas-microsoft-com:vml`
`pyxb.bundles.ecma376.v2008.transitional.vml.officeDrawing` | `urn:schemas-microsoft-com:office:office`
`pyxb.bundles.ecma376.v2008.transitional.vml.presentationDrawing` | `urn:schemas-microsoft-com:office:powerpoint`
`pyxb.bundles.ecma376.v2008.transitional.vml.spreadsheetDrawing` | `urn:schemas-microsoft-com:office:excel`
`pyxb.bundles.ecma376.v2008.transitional.vml.wordprocessingDrawing` | `urn:schemas-microsoft-com:office:word`
`pyxb.bundles.ecma376.v2008.transitional.wml` | `http://schemas.openxmlformats.org/wordprocessingml/2006/main`

## OpenGIS

Note

As of PyXB 1.2.0, this bundle supports the version of the OGC Schema that use the W3C XLink 1.1 instead of the older OGC XLink schema. See http://www.opengeospatial.org/blog/1597 for more information about this change.

The following namespaces are available in support of Open Geospatial Consortium Geographic Information System processing. Note that several of these namespaces are “private” bindings generated because the OGC definitions include their own schema for use local to another schema. The modules corresponding to these namespace uses begin with an underscore, and should generally not be used in other contexts.

This bundle is not populated in the distributed versions of PyXB because it requires some 168MB of space to hold the schemas, generated bindings, and archive files. To build it, set `PYXB_ROOT` environment variable to the absolute path of the unpacked PyXB distribution (the directory containing `setup.py`) and run these commands:

    cd ${PYXB_ROOT}
    pyxb/bundles/opengis/scripts/genbind
    python setup.py install

This will download the schemas from OGC, generate bindings for the namespaces below, and (re-)install PyXB including the new bindings. Other namespaces are available and can be added by modifying the `genbind` script and re-running the commands above.

Binding Module | Namespace
--- | ---
`pyxb.bundles.opengis._ogc` | `http://www.opengis.net/ogc`
`pyxb.bundles.opengis.atom` | `http://www.w3.org/2005/Atom`
`pyxb.bundles.opengis.citygml.appearance` | `http://www.opengis.net/citygml/appearance/1.0`
`pyxb.bundles.opengis.citygml.base` | `http://www.opengis.net/citygml/1.0`
`pyxb.bundles.opengis.citygml.building` | `http://www.opengis.net/citygml/building/1.0`
`pyxb.bundles.opengis.citygml.cityFurniture` | `http://www.opengis.net/citygml/cityfurniture/1.0`
`pyxb.bundles.opengis.citygml.cityObjectGroup` | `http://www.opengis.net/citygml/cityobjectgroup/1.0`
`pyxb.bundles.opengis.citygml.generics` | `http://www.opengis.net/citygml/generics/1.0`
`pyxb.bundles.opengis.citygml.landUse` | `http://www.opengis.net/citygml/landuse/1.0`
`pyxb.bundles.opengis.citygml.relief` | `http://www.opengis.net/citygml/relief/1.0`
`pyxb.bundles.opengis.citygml.texturedSurface` | `http://www.opengis.net/citygml/texturedsurface/1.0`
`pyxb.bundles.opengis.citygml.transportation` | `http://www.opengis.net/citygml/transportation/1.0`
`pyxb.bundles.opengis.citygml.vegetation` | `http://www.opengis.net/citygml/vegetation/1.0`
`pyxb.bundles.opengis.citygml.waterBody` | `http://www.opengis.net/citygml/waterbody/1.0`
`pyxb.bundles.opengis.csw_2_0_2` | `http://www.opengis.net/cat/csw/2.0.2`
`pyxb.bundles.opengis.csw_dc` | `http://purl.org/dc/elements/1.1/`
`pyxb.bundles.opengis.csw_dct` | `http://purl.org/dc/terms/`
`pyxb.bundles.opengis.fes_2_0` | `http://www.opengis.net/fes/2.0`
`pyxb.bundles.opengis.filter` | `http://www.opengis.net/ogc`
`pyxb.bundles.opengis.gml_3_2` | `http://www.opengis.net/gml/3.2`
`pyxb.bundles.opengis.gml_3_3.ce` | `http://www.opengis.net/gml/3.3/ce`
`pyxb.bundles.opengis.gml_3_3.exr` | `http://www.opengis.net/gml/3.3/exr`
`pyxb.bundles.opengis.gml_3_3.lr` | `http://www.opengis.net/gml/3.3/lr`
`pyxb.bundles.opengis.gml_3_3.lro` | `http://www.opengis.net/gml/3.3/lro`
`pyxb.bundles.opengis.gml_3_3.lrov` | `http://www.opengis.net/gml/3.3/lrov`
`pyxb.bundles.opengis.gml_3_3.lrtr` | `http://www.opengis.net/gml/3.3/lrtr`
`pyxb.bundles.opengis.gml_3_3.rgrid` | `http://www.opengis.net/gml/3.3/rgrid`
`pyxb.bundles.opengis.gml_3_3.tin` | `http://www.opengis.net/gml/3.3/tin`
`pyxb.bundles.opengis.gml_3_3.xbt` | `http://www.opengis.net/gml/3.3/xbt`
`pyxb.bundles.opengis.gml` | `http://www.opengis.net/gml`
`pyxb.bundles.opengis.gmlsf` | `http://www.opengis.net/gmlsf`
`pyxb.bundles.opengis.ic_ism_2_1` | `urn:us:gov:ic:ism:v2`
`pyxb.bundles.opengis.iso19139.20070417.gco` | `http://www.isotc211.org/2005/gco`
`pyxb.bundles.opengis.iso19139.20070417.gmd` | `http://www.isotc211.org/2005/gmd`
`pyxb.bundles.opengis.iso19139.20070417.gmx` | `http://www.isotc211.org/2005/gmx`
`pyxb.bundles.opengis.iso19139.20070417.gsr` | `http://www.isotc211.org/2005/gsr`
`pyxb.bundles.opengis.iso19139.20070417.gss` | `http://www.isotc211.org/2005/gss`
`pyxb.bundles.opengis.iso19139.20070417.gts` | `http://www.isotc211.org/2005/gts`
`pyxb.bundles.opengis.misc.xAL` | `urn:oasis:names:tc:ciq:xsdschema:xAL:2.0`
`pyxb.bundles.opengis.misc.xlinks` | `http://www.w3.org/1999/xlink`
`pyxb.bundles.opengis.ogckml22` | `http://www.opengis.net/kml/2.2`
`pyxb.bundles.opengis.om_1_0` | `http://www.opengis.net/om/1.0`
`pyxb.bundles.opengis.om_2_0` | `http://www.opengis.net/om/2.0`
`pyxb.bundles.opengis.ows_1_1` | `http://www.opengis.net/ows/1.1`
`pyxb.bundles.opengis.ows_2_0` | `http://www.opengis.net/ows/2.0`
`pyxb.bundles.opengis.ows` | `http://www.opengis.net/ows`
`pyxb.bundles.opengis.sampling_1_0` | `http://www.opengis.net/sampling/1.0`
`pyxb.bundles.opengis.sensorML_1_0_1` | `http://www.opengis.net/sensorML/1.0.1`
`pyxb.bundles.opengis.smil20` | `http://www.w3.org/2001/SMIL20/`
`pyxb.bundles.opengis.smil20lang` | `http://www.w3.org/2001/SMIL20/Language`
`pyxb.bundles.opengis.sos_1_0` | `http://www.opengis.net/sos/1.0`
`pyxb.bundles.opengis.sos_2_0` | `http://www.opengis.net/sos/2.0`
`pyxb.bundles.opengis.swe_1_0_0` | `http://www.opengis.net/swe/1.0`
`pyxb.bundles.opengis.swe_1_0_1` | `http://www.opengis.net/swe/1.0.1`
`pyxb.bundles.opengis.swe_2_0` | `http://www.opengis.net/swe/2.0`
`pyxb.bundles.opengis.swes_2_0` | `http://www.opengis.net/swes/2.0`
`pyxb.bundles.opengis.tml` | `http://www.opengis.net/tml`
`pyxb.bundles.opengis.wcs_1_1` | `http://www.opengis.net/wcs/1.1`
`pyxb.bundles.opengis.wfs` | `http://www.opengis.net/wfs`

### Layout of a Bundle Directory

The `pyxb/bundles` directory contains groups of bindings for related schema. These groups are called “bundles”, and each subdirectory represents a particular bundle.

With a bundle directory, the following are expected:

- A `scripts` directory, containing an executable `genbind` which retrieves the schema and invokes `pyxbgen` to build the bindings
- A `schemas` directory, into which the `genbind` script stores the schemas that were used to build the bindings
- The Python module files for namespace modules. Normally these are customization wrappers
- A `raw` subdirectory, into which the generated bindings are placed. This directory is normally removed and recreated as a consequence of running genbind; don’t expect anything in it to be persistent.
- An `examples` directory, with programs that show how to use the capabilities in the bundle
- A `tests` directory which validates customizations

### Generating Bundled Bindings

To create the support infrastructure for a particular bundle, set the `PYXB_ROOT` environment variable to the root of an unpacked PyXB distribution and run the `scripts/genbind` script in the bundle root. For example:

    cd ${PYXB_ROOT}
    pyxb/bundles/wssplat/scripts/genbind

will invoke the wget(1) program to retrieve the XML schema for a variety of namespaces related to web services and then generate bindings and archive files for them.

Generating bundles should be a one-time action for each release of PyXB.

Note

Some servers, including http://www.w3.org, enforce an artificial delay in retrieving schema documents in order to encourage systems to use cached local copies. The `genbind` infrastructure will cache the schemas it downloads, but running the generation scripts for the common bundle, and possibly others, may result in errors if the caches are removed and the scripts run too frequently.

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