示例#1
0
 def etree_doc2string(packet):
     packet.data = etree.tostring(packet.data, pretty_print=True, xml_declaration=True)
     return packet
示例#2
0
 def etree_doc2string(packet):
     packet.data = etree.tostring(packet.data, pretty_print=True, xml_declaration=True)
     return packet
示例#3
0
    def write(self, packet):
        if packet.data is None:
            return packet

        gml_doc = packet.data
        log.info('inserting features in DB')
        db = PostGIS(self.cfg.get_dict())
        db.connect()
        #        print self.to_string(gml_doc, False, False)
        #        NS = {'base': 'urn:x-inspire:specification:gmlas:BaseTypes:3.2', 'gml': 'http://www.opengis.net/gml/3.2'}
        #        featureMembers = gml_doc.xpath('//base:member/*', namespaces=NS)
        featureMembers = gml_doc.xpath("//*[local-name() = '%s']/*" % self.feature_member_tag)
        count = 0
        gml_ns = None
        for childNode in featureMembers:
            if gml_ns is None:
                if childNode.nsmap.has_key('gml'):
                    gml_ns = childNode.nsmap['gml']
                else:
                    if childNode.nsmap.has_key('GML'):
                        gml_ns = childNode.nsmap['GML']

            gml_id = childNode.get('{%s}id' % gml_ns)

            feature_type_id = self.feature_type_ids[childNode.tag]

            # Find a GML geometry in the GML NS
            ogrGeomWKT = None
            #            gmlMembers = childNode.xpath(".//gml:Point|.//gml:Curve|.//gml:Surface|.//gml:MultiSurface", namespaces=NS)
            gmlMembers = childNode.xpath(
                ".//*[local-name() = 'Point']|.//*[local-name() = 'Polygon']|.//*[local-name() = 'Curve']|.//*[local-name() = 'Surface']|.//*[local-name() = 'MultiSurface']")
            geom_str = None
            for gmlMember in gmlMembers:
                if geom_str is None:
                    geom_str = etree.tostring(gmlMember)
                #                   no need for GDAL Python bindings for now, maybe when we'll optimize with COPY iso INSERT
            #                    ogrGeom = ogr.CreateGeometryFromGML(str(gmlStr))
            #                    if ogrGeom is not None:
            #                        ogrGeomWKT = ogrGeom.ExportToWkt()
            #                        if ogrGeomWKT is not None:
            #                            break

            blob = etree.tostring(childNode, pretty_print=False, xml_declaration=False, encoding='UTF-8')

            if geom_str is None:
                sql = "INSERT INTO gml_objects(gml_id, ft_type, binary_object) VALUES (%s, %s, %s)"
                parameters = (gml_id, feature_type_id, db.make_bytea(blob))
            else:
                # ST_SetSRID(ST_GeomFromGML(%s)),-1)
                sql = "INSERT INTO gml_objects(gml_id, ft_type, binary_object, gml_bounded_by) VALUES (%s, %s, %s, ST_SetSRID( ST_GeomFromGML(%s),%s) )"
                parameters = (gml_id, feature_type_id, db.make_bytea(blob), geom_str, self.srid)

            if db.execute(sql, parameters) == -1:
                log.error("feat num# = %d error inserting feature blob=%s (but continuing)" % (count, blob))

                # will fail but we will close connection also
                db.commit()

                # proceed...
                log.info('retrying to proceed with remaining features...')
                db = PostGIS(self.cfg.get_dict())
                db.connect()
                count = 0

            count += 1

        exception = db.commit()
        if exception is not None:
            log.error("error in commit")

        log.info("inserted %s features" % count)
        return packet
示例#4
0
    def write(self, packet):
        if packet.data is None:
            return packet

        gml_doc = packet.data
        log.info('inserting features in DB')
        db = PostGIS(self.cfg.get_dict())
        db.connect()
        #        print self.to_string(gml_doc, False, False)
        #        NS = {'base': 'urn:x-inspire:specification:gmlas:BaseTypes:3.2', 'gml': 'http://www.opengis.net/gml/3.2'}
        #        featureMembers = gml_doc.xpath('//base:member/*', namespaces=NS)
        featureMembers = gml_doc.xpath("//*[local-name() = '%s']/*" %
                                       self.feature_member_tag)
        count = 0
        gml_ns = None
        for childNode in featureMembers:
            if gml_ns is None:
                if childNode.nsmap.has_key('gml'):
                    gml_ns = childNode.nsmap['gml']
                else:
                    if childNode.nsmap.has_key('GML'):
                        gml_ns = childNode.nsmap['GML']

            gml_id = childNode.get('{%s}id' % gml_ns)

            feature_type_id = self.feature_type_ids[childNode.tag]

            # Find a GML geometry in the GML NS
            ogrGeomWKT = None
            #            gmlMembers = childNode.xpath(".//gml:Point|.//gml:Curve|.//gml:Surface|.//gml:MultiSurface", namespaces=NS)
            gmlMembers = childNode.xpath(
                ".//*[local-name() = 'Point']|.//*[local-name() = 'Polygon']|.//*[local-name() = 'Curve']|.//*[local-name() = 'Surface']|.//*[local-name() = 'MultiSurface']"
            )
            geom_str = None
            for gmlMember in gmlMembers:
                if geom_str is None:
                    geom_str = etree.tostring(gmlMember)
                #                   no need for GDAL Python bindings for now, maybe when we'll optimize with COPY iso INSERT
            #                    ogrGeom = ogr.CreateGeometryFromGML(str(gmlStr))
            #                    if ogrGeom is not None:
            #                        ogrGeomWKT = ogrGeom.ExportToWkt()
            #                        if ogrGeomWKT is not None:
            #                            break

            blob = etree.tostring(childNode,
                                  pretty_print=False,
                                  xml_declaration=False,
                                  encoding='UTF-8')

            if geom_str is None:
                sql = "INSERT INTO gml_objects(gml_id, ft_type, binary_object) VALUES (%s, %s, %s)"
                parameters = (gml_id, feature_type_id, db.make_bytea(blob))
            else:
                # ST_SetSRID(ST_GeomFromGML(%s)),-1)
                sql = "INSERT INTO gml_objects(gml_id, ft_type, binary_object, gml_bounded_by) VALUES (%s, %s, %s, ST_SetSRID( ST_GeomFromGML(%s),%s) )"
                parameters = (gml_id, feature_type_id, db.make_bytea(blob),
                              geom_str, self.srid)

            if db.execute(sql, parameters) == -1:
                log.error(
                    "feat num# = %d error inserting feature blob=%s (but continuing)"
                    % (count, blob))

                # will fail but we will close connection also
                db.commit()

                # proceed...
                log.info('retrying to proceed with remaining features...')
                db = PostGIS(self.cfg.get_dict())
                db.connect()
                count = 0

            count += 1

        exception = db.commit()
        if exception is not None:
            log.error("error in commit")

        log.info("inserted %s features" % count)
        return packet