""" *************************************************************************** DbmsAlgorithm.py --------------------- Date : August 2012 Copyright : (C) 2012 by Victor Olaya Email : volayaf at gmail dot com *************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * *************************************************************************** """ __author__ = 'Victor Olaya' __date__ = 'August 2012' __copyright__ = '(C) 2012, Victor Olaya' import os import re import numpy as np from qgis.PyQt.QtCore import QUrl, QCoreApplication from qgis.core import (QgsApplication, QgsProject, QgsVectorFileWriter, QgsProcessingFeatureSourceDefinition, QgsProcessingAlgorithm, QgsProcessingContext, QgsProcessingFeedback, QgsProviderRegistry, QgsDataSourceUri) from processing.algs.gdal.DbmsAlgorithmDialog import DbmsAlgorithmDialog from processing.algs.gdal.GdalUtils import GdalUtils from processing.tools.PostgreSQL.PostgreSQL import PostgreSQL from processing.tools.GeoServer.Geoserver import Geoserver from processing.tools.GeoServer.GeoService import GeoService from processing.tools.QGS.QgsProjectUtils import QgsProjectUtils from processing.tools.PrintUtils import getLastPrint from processing.tools.FileListPrintUtils import getFileListPrint from processing.tools.SubprocessUtils import RunSubprocess pluginPath = os.path.normpath(os.path.join( os.path.split(os.path.dirname(__file__))[0], os.pardir)) class DbmsAlgorithm(QgsProcessingAlgorithm): def __init__(self): super().__init__() self.output_values = {} def icon(self): return QgsApplication.getThemeIcon("/providerGdal.svg") def tags(self): return ['ogr', 'gdal', self.commandName()] def svgIconPath(self): return QgsApplication.iconPath("providerGdal.svg") def createInstance(self, config={}): return self.__class__() def createCustomParametersWidget(self, parent): return DbmsAlgorithmDialog(self, parent=parent) def getConsoleCommands(self, parameters, context, feedback, executing=True): return None def getOgrCompatibleSource(self, parameter_name, parameters, context, feedback, executing): """ Interprets a parameter as an OGR compatible source and layer name :param executing: """ if not executing and parameter_name in parameters and isinstance(parameters[parameter_name], QgsProcessingFeatureSourceDefinition): # if not executing, then we throw away all 'selected features only' settings # since these have no meaning for command line gdal use, and we don't want to force # an export of selected features only to a temporary file just to show the command! parameters = {parameter_name: parameters[parameter_name].source} input_layer = self.parameterAsVectorLayer(parameters, parameter_name, context) ogr_data_path = None ogr_layer_name = None if input_layer is None or input_layer.dataProvider().name() == 'memory': if executing: # parameter is not a vector layer - try to convert to a source compatible with OGR # and extract selection if required ogr_data_path = self.parameterAsCompatibleSourceLayerPath(parameters, parameter_name, context, QgsVectorFileWriter.supportedFormatExtensions(), QgsVectorFileWriter.supportedFormatExtensions()[ 0], feedback=feedback) ogr_layer_name = GdalUtils.ogrLayerName(ogr_data_path) else: # not executing - don't waste time converting incompatible sources, just return dummy strings # for the command preview (since the source isn't compatible with OGR, it has no meaning anyway and can't # be run directly in the command line) ogr_data_path = 'path_to_data_file' ogr_layer_name = 'layer_name' elif input_layer.dataProvider().name() == 'ogr': if executing and ( isinstance(parameters[parameter_name], QgsProcessingFeatureSourceDefinition) and parameters[ parameter_name].selectedFeaturesOnly) \ or input_layer.subsetString(): # parameter is a vector layer, with OGR data provider # so extract selection if required ogr_data_path = self.parameterAsCompatibleSourceLayerPath(parameters, parameter_name, context, QgsVectorFileWriter.supportedFormatExtensions(), feedback=feedback) parts = QgsProviderRegistry.instance().decodeUri('ogr', ogr_data_path) ogr_data_path = parts['path'] if 'layerName' in parts and parts['layerName']: ogr_layer_name = parts['layerName'] else: ogr_layer_name = GdalUtils.ogrLayerName(ogr_data_path) else: # either not using the selection, or # not executing - don't worry about 'selected features only' handling. It has no meaning # for the command line preview since it has no meaning outside of a QGIS session! ogr_data_path = GdalUtils.ogrConnectionStringAndFormatFromLayer(input_layer)[0] ogr_layer_name = GdalUtils.ogrLayerName(input_layer.dataProvider().dataSourceUri()) elif input_layer.dataProvider().name().lower() == 'wfs': uri = QgsDataSourceUri(input_layer.source()) baseUrl = uri.param('url').split('?')[0] ogr_data_path = f"WFS:{baseUrl}" ogr_layer_name = uri.param('typename') else: # vector layer, but not OGR - get OGR compatible path # TODO - handle "selected features only" mode!! ogr_data_path = GdalUtils.ogrConnectionStringFromLayer(input_layer) ogr_layer_name = GdalUtils.ogrLayerName(input_layer.dataProvider().dataSourceUri()) return ogr_data_path, ogr_layer_name def setOutputValue(self, name, value): self.output_values[name] = value def processAlgorithm(self, parameters, context, feedback): # TODO wanger GeoServer服务发布 if parameters.get("Publish_Service") is not None: zymlbsm = getLastPrint() if zymlbsm == None or zymlbsm == '': return { "Error": "资源目录未选择！" } print("zymlbsm====" + zymlbsm) layer_group_join = "" if parameters.get("LAYER_GROUP_JOIN") is not None: layer_group_join = self.groups[parameters.get("LAYER_GROUP_JOIN")] commands = self.getConsoleCommands(parameters, context, feedback, executing=True) geoSer = GeoService() result = geoSer.publishGeoService(parameters, context, feedback, commands, zymlbsm, layer_group_join) return result # === 获取gdal命令参数执行并输出log开始 === commands = self.getConsoleCommands(parameters, context, feedback, executing=True) # if np.isin("raster2pgsql.exe", commands) or np.isin("raster2pgsql", commands): # RunSubprocess(command=' '.join(commands)) # else: # GdalUtils.runGdal(commands, feedback) GdalUtils.runGdal(commands, feedback) print(commands) results = {} for o in self.outputDefinitions(): if o.name() in parameters: results[o.name()] = parameters[o.name()] for k, v in self.output_values.items(): results[k] = v # === 获取gdal命令参数执行并输出log结束 === # TODO wanger 元数据入库 if parameters.get("Metadata_storage") is not None and parameters.get("Metadata_storage") == True: # 所属行政区划 ssxzqh = getLastPrint() print("ssxzqh====" + ssxzqh) # 获取附件列表 fileliststr = getFileListPrint() pgconn = PostgreSQL(schema='base') pgconn.metadataStorage(parameters, ssxzqh, fileliststr, self.ywlxs[parameters.get("VECTOR_YWLX")], self.depts[parameters.get("VECTOR_GLBM")]) pgconn.close() return results def commandName(self): parameters = { param.name(): "1" for param in self.parameterDefinitions() } context = QgsProcessingContext() feedback = QgsProcessingFeedback() name = self.getConsoleCommands(parameters, context, feedback, executing=False)[0] if name.endswith(".py"): name = name[:-3] return name def tr(self, string, context=''): if context == '': context = self.__class__.__name__ return QCoreApplication.translate(context, string)