| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import json |
| import traceback |
| |
| import requests |
| |
| from . import BaseDomsHandler |
| from . import config |
| from . import values |
| from webservice.algorithms.NexusCalcHandler import NexusCalcHandler as BaseHandler |
| from webservice.NexusHandler import nexus_handler |
| from webservice.webmodel import cached |
| |
| |
| @nexus_handler |
| class DomsDatasetListQueryHandler(BaseDomsHandler.BaseDomsQueryCalcHandler): |
| name = "DOMS Dataset Listing" |
| path = "/domslist" |
| description = "" |
| params = {} |
| singleton = True |
| |
| def __init__(self): |
| BaseHandler.__init__(self) |
| |
| def getFacetsForInsituSource(self, source): |
| url = source["url"] |
| |
| params = { |
| "facet": "true", |
| "stats": "true", |
| "startIndex": 0, |
| "itemsPerPage": 0 |
| } |
| try: |
| r = requests.get(url, params=params) |
| results = json.loads(r.text) |
| |
| depths = None |
| if "stats_fields" in results and "depth" in results["stats_fields"]: |
| depths = results["stats_fields"]["depth"] |
| |
| for facet in results["facets"]: |
| field = facet["field"] |
| for value in facet["values"]: |
| value["value"] = values.getDescByListNameAndId(field, int(value["value"])) |
| |
| return depths, results["facets"] |
| except: # KMG: Don't eat the exception. Add better handling... |
| traceback.print_exc() |
| return None, None |
| |
| def getMetadataUrlForDataset(self, dataset): |
| datasetSpec = config.getEndpointByName(dataset) |
| if datasetSpec is not None: |
| return datasetSpec["metadataUrl"] |
| else: |
| |
| # KMG: NOT a good hack |
| if dataset == "JPL-L4_GHRSST-SSTfnd-MUR-GLOB-v02.0-fv04.1" or dataset == "JPL-L4_GHRSST-SSTfnd-MUR-GLOB-v02.0-fv04.1_CLIM": |
| dataset = "MUR-JPL-L4-GLOB-v4.1" |
| elif dataset == "SMAP_L2B_SSS": |
| dataset = "JPL_SMAP-SSS_L2_EVAL-V2" |
| elif dataset == "AVHRR_OI_L4_GHRSST_NCEI" or dataset == "AVHRR_OI_L4_GHRSST_NCEI_CLIM": |
| dataset = "AVHRR_OI-NCEI-L4-GLOB-v2.0" |
| |
| return "http://doms.jpl.nasa.gov/ws/metadata/dataset?shortName=%s&format=umm-json" % dataset |
| |
| def getMetadataForSource(self, dataset): |
| try: |
| r = requests.get(self.getMetadataUrlForDataset(dataset)) |
| results = json.loads(r.text) |
| return results |
| except: |
| return None |
| |
| @cached(ttl=(60 * 60 * 1000)) # 1 hour cached |
| def calc(self, computeOptions, **args): |
| |
| satellitesList = self._get_tile_service().get_dataseries_list(simple=True) |
| |
| insituList = [] |
| |
| for satellite in satellitesList: |
| satellite["metadata"] = self.getMetadataForSource(satellite["shortName"]) |
| |
| for insitu in config.ENDPOINTS: |
| depths, facets = self.getFacetsForInsituSource(insitu) |
| insituList.append({ |
| "name": insitu["name"], |
| "endpoint": insitu["url"], |
| "metadata": self.getMetadataForSource(insitu["name"]), |
| "depths": depths, |
| "facets": facets |
| }) |
| |
| values = { |
| "satellite": satellitesList, |
| "insitu": insituList |
| } |
| |
| return BaseDomsHandler.DomsQueryResults(results=values) |