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import os |
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import sys |
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from awips import ThriftClient |
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from dynamicserialize.dstypes.gov.noaa.nws.ncep.common.dataplugin.gempak.request import GetStationsRequest |
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class StationRetriever: |
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""" Retrieves all requested stations """ |
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def __init__(self, server, pluginName): |
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self.pluginName = pluginName |
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self.outdir = os.getcwd() |
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self.host = os.getenv("DEFAULT_HOST", server) |
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self.port = os.getenv("DEFAULT_PORT", "9581") |
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self.client = ThriftClient.ThriftClient(self.host, self.port) |
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def getStations(self): |
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""" Sends ThriftClient request and writes out received files.""" |
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req = GetStationsRequest() |
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req.setPluginName(self.pluginName) |
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resp = self.client.sendRequest(req) |
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for i, rec in enumerate(resp): |
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resp[i] = { |
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key.decode() if isinstance(key, bytes) else key: |
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val.decode() if isinstance(val, bytes) else val |
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for key, val in rec.items() |
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} |
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stns = [] |
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for item in resp: |
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stationstr = '{:<8}'.format(item.getStationId()) |
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if sys.byteorder == 'little': |
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stnid = (ord(stationstr[3]) << 24) + (ord(stationstr[2]) << 16) + \ |
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(ord(stationstr[1]) << 8) + ord(stationstr[0]) |
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stnid2 = (ord(stationstr[7]) << 24) + (ord(stationstr[6]) << 16) + \ |
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(ord(stationstr[5]) << 8) + ord(stationstr[4]) |
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else: |
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stnid = (ord(stationstr[0]) << 24) + (ord(stationstr[1]) << 16) + \ |
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(ord(stationstr[2]) << 8) + ord(stationstr[3]) |
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stnid2 = (ord(stationstr[4]) << 24) + (ord(stationstr[5]) << 16) + \ |
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(ord(stationstr[6]) << 8) + ord(stationstr[7]) |
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if item.getState() is None: |
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stationstr = ' ' |
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else: |
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stationstr = '{:<4}'.format(item.getState()) |
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if sys.byteorder == 'little': |
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state = (ord(stationstr[3]) << 24) + (ord(stationstr[2]) << 16) \ |
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+ (ord(stationstr[1]) << 8) + ord(stationstr[0]) |
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else: |
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state = (ord(stationstr[0]) << 24) + (ord(stationstr[1]) << 16) \ |
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+ (ord(stationstr[2]) << 8) + ord(stationstr[3]) |
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stationstr = '{:<4}'.format(item.getCountry()) |
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if sys.byteorder == 'little': |
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cntry = (ord(stationstr[3]) << 24) + (ord(stationstr[2]) << 16) \ |
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+ (ord(stationstr[1]) << 8) + ord(stationstr[0]) |
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else: |
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cntry = (ord(stationstr[0]) << 24) + (ord(stationstr[1]) << 16) \ |
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+ (ord(stationstr[2]) << 8) + ord(stationstr[3]) |
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stns.append(9999) |
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stns.append(stnid) |
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stns.append(item.getWmoIndex()) |
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stns.append(int(item.getLatitude()*100)) |
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stns.append(int(item.getLongitude()*100)) |
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stns.append(int(item.getElevation())) |
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stns.append(state) |
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stns.append(cntry) |
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stns.append(stnid2) |
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stns.append(0) |
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return stns |
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def getstations(server, table, key, dummy, dummy2): |
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sr = StationRetriever(server, table) |
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return sr.getStations() |
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# This is the standard boilerplate that runs this script as a main |
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if __name__ == '__main__': |
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# Run Test |
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srv = 'edex-cloud.unidata.ucar.edu' |
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key = '-' |
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print('OBS - METAR') |
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tbl = 'obs' |
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print(getstations(srv, tbl, key)) |
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print('SFCOBS - SYNOP') |
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tbl = 'sfcobs' |
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print(getstations(srv, tbl, key)) |
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Unidata /
python-awips
