Python WebFeatureService.items方法代码示例

# 需要导入模块: from owslib.wfs import WebFeatureService [as 别名]
# 或者: from owslib.wfs.WebFeatureService import items [as 别名]
    #     print(layer_def.GetFieldCount())
    #     layer = None

    # OGR_end = time.clock()
    # print(OGR_end - OGR_start)

    OWS_start = time.clock()
    try:
        wfs = WebFeatureService(WFS_URL, version="2.0.0")
    except AttributeError:
        wfs = WebFeatureService(WFS_URL, version="1.1.0")

    print("\n\tGlobal: ", dir(wfs))
    print(wfs.version)
    print(wfs.url)
    print(wfs.items()[0][1])
    help(wfs.getSRS)
    print(wfs.timeout)

    print("\n\tIdentification: ", dir(wfs.identification))
    print(wfs.identification.type)
    print(wfs.identification.title)
    print(wfs.identification.service)
    abstract = wfs.identification.abstract
    if abstract: print(abstract.encode('utf8'))
    print(wfs.identification.fees)
    print(wfs.identification.version)
    print(wfs.identification.keywords)
    print(wfs.identification.accessconstraints)
    print(wfs.identification.profiles)
    

# 需要导入模块: from owslib.wfs import WebFeatureService [as 别名]
# 或者: from owslib.wfs.WebFeatureService import items [as 别名]
class WFSDataServiceToReclineJS():

    def __init__(self, url, version="1.0.0"):
        self.wfs = WebFeatureService(url, version=version)
        self.type = self.wfs.identification.type
        self.version = self.wfs.identification.version
        self.title = self.wfs.identification.title
        self.abstract = self.wfs.identification.abstract

    def get_layer_list(self):
        return list(self.wfs.contents)

    def get_single_layer(self, layer):
        theseLayers = self.get_layer_list()
        return [i for i in theseLayers if i == layer]

    def get_service_operations(self):
        thisWFS = self.wfs.operations
        return [op.name for op in thisWFS]

    def get_GET_feature_operation(self):
        operations = self.get_service_operations()
        return [i for i in operations if i.endswith("GetFeature")][0]

    def get_service_methods(self, service_operation):
        thisWFS = self.wfs
        thisOperation = service_operation
        return thisWFS.getOperationByName(thisOperation).methods
    #
    def get_service_method_URL(self, service_operation):
        thisWFS = self.wfs
        thisOperation = service_operation
        return thisWFS.getOperationByName('{http://www.opengis.net/wfs}GetFeature').methods['{http://www.opengis.net/wfs}Get']['url']

    def get_service_format_options(self, service_operation):
        thisWFS = self.wfs
        thisOperation = service_operation
        return thisWFS.getOperationByName(thisOperation).formatOptions

    def get_GML_format_option(self, service_operation):
        formatOptions = self.get_service_format_options(service_operation)
        return [i for i in formatOptions if i.endswith("GML2")][0]

    def get_response(self, layer):
        thisLayer = self.get_single_layer(layer)
        thisOperation = self.get_GET_feature_operation()
        thisGML = self.get_GML_format_option(thisOperation)
        response = self.wfs.getfeature(typename=thisLayer)
        return response

    def get_items(self):
        return self.wfs.items()

    def hack_up_a_layer_name(self, data_dict):
        data = data_dict.get("resource")
        if data.get("layer_name"):
            return data.get("layer_name")
        elif data.get("layer"):
            return data.get("layer")
        elif data.get("layers"):
            return data.get("layers")
        else:
            try:
                layer_list = self.get_layers()
                return layer_list[0]
            except:
                return "Sorry, can't find a layer!"

    def make_recline_url(self, data_dict):
        data = data_dict
        thisLayer = self.hack_up_a_layer_name(data).lower()
        getMethod = self.get_GET_feature_operation()
        baseURL = self.get_service_method_URL(getMethod)
        baseURL += "&service=WFS&version=1.0.0&typeName="
        baseURL += thisLayer
        return baseURL

    def MakeReclineJSON(self, data_dict):
        json_obj = []
        attribs = []
        data = data_dict
        gml_wfs = self.make_recline_url(data)
        source = ogr.Open(gml_wfs)
        print source
        layer = source.GetLayerByIndex(0)
        print layer

        for feature in layer:
            json_obj.append(feature.ExportToJson(as_object=True))

        for i in json_obj:
            properties = i['properties']
            properties.update(dict(geometry=i['geometry']))
            attribs.append(properties)

        return attribs