add Gridmet_current for ONHM

gridmetetl/Gridmet_current.py

@@ -0,0 +1,41 @@
+import urllib3
+import xmltodict
+from datetime import datetime, timedelta
+import sys
+
+def getxml(url):
+    http = urllib3.PoolManager()
+
+    response = http.request('GET', url)
+    try:
+        data = xmltodict.parse(response.data)
+    except:
+        print("Failed to parse XML from response (%s)" % traceback.format_exc())
+    return data
+
+
+# "http://thredds.northwestknowledge.net:8080/thredds/ncss/grid/agg_met_tmmx_1979_CurrentYear_CONUS.nc/dataset.xml"
+# http://thredds.northwestknowledge.net:8080/thredds/ncss/grid/agg_met_tmmn_1979_CurrentYear_CONUS.nc/dataset.xml
+# http://thredds.northwestknowledge.net:8080/thredds/ncss/grid/agg_met_pr_1979_CurrentYear_CONUS.nc/dataset.xml
+# http://thredds.northwestknowledge.net:8080/thredds/ncss/grid/agg_met_rmin_1979_CurrentYear_CONUS.nc/dataset.xml
+# http://thredds.northwestknowledge.net:8080/thredds/ncss/grid/agg_met_rmax_1979_CurrentYear_CONUS.nc/dataset.xml
+# http://thredds.northwestknowledge.net:8080/thredds/ncss/grid/agg_met_vs_1979_CurrentYear_CONUS.nc/dataset.xml
+
+serverURL = 'http://thredds.northwestknowledge.net:8080/thredds/ncss/grid'
+
+data_packets = ['agg_met_tmmn_1979_CurrentYear_CONUS.nc', 'agg_met_pr_1979_CurrentYear_CONUS.nc',
+                'agg_met_rmin_1979_CurrentYear_CONUS.nc', 'agg_met_rmax_1979_CurrentYear_CONUS.nc',
+                'agg_met_vs_1979_CurrentYear_CONUS.nc']
+urlsuffix = 'dataset.xml'
+
+now = datetime.today().date()
+yesterday = now - timedelta(days=1)
+
+for data in data_packets:
+    masterURL = serverURL + '/' + data + '/' + urlsuffix
+    datadef = getxml(masterURL)['gridDataset']['TimeSpan']['end']
+    gm_date = datetime.strptime(datadef[:10],'%Y-%m-%d').date()
+    if gm_date != yesterday:
+        print(f'Gridmet data {data} is not available:\n' +
+              'process exiting')
+        sys.exit(1)