Example #1
0
    def get_nws_data(self, site, observations, begin_date, units_coverter,
                     db_obj):
        start_time = time.time()
        logger = logging.getLogger(self.__class__.__name__)
        logger.debug("Starting get_nws_data")

        row_entry_date = datetime.now()
        utc_tz = timezone('UTC')
        eastern_tz = timezone('US/Eastern')

        header = [
            "raw_text", "station_id", "observation_time", "latitude",
            "longitude", "temp_c", "dewpoint_c", "wind_dir_degrees",
            "wind_speed_kt", "wind_gust_kt", "visibility_statute_mi",
            "altim_in_hg", "sea_level_pressure_mb", "corrected", "auto",
            "auto_station", "maintenance_indicator_on", "no_signal",
            "lightning_sensor_off", "freezing_rain_sensor_off",
            "present_weather_sensor_off", "wx_string", "sky_cover",
            "cloud_base_ft_agl", "sky_cover", "cloud_base_ft_agl", "sky_cover",
            "cloud_base_ft_agl", "sky_cover", "cloud_base_ft_agl",
            "flight_category", "three_hr_pressure_tendency_mb", "maxT_c",
            "minT_c", "maxT24hr_c", "minT24hr_c", "precip_in", "pcp3hr_in",
            "pcp6hr_in", "pcp24hr_in", "snow_in", "vert_vis_ft", "metar_type",
            "elevation_m"
        ]

        platform_handle = 'nws.%s.met' % (site)
        if db_obj.platformExists(platform_handle) is None:
            obs_list = []
            for obs_setup in observations:
                if site in obs_setup['sites']:
                    for xenia_obs in obs_setup['xenia_obs']:
                        obs_list.append({
                            'obs_name': xenia_obs['xenia_name'],
                            'uom_name': xenia_obs['xenia_units'],
                            's_order': 1
                        })
            db_obj.buildMinimalPlatform(platform_handle, obs_list)
        # Build sensor_id and m_type_id list.
        for obs_setup in observations:
            if site in obs_setup['sites']:
                for xenia_obs in obs_setup['xenia_obs']:
                    m_type_id = db_obj.mTypeExists(xenia_obs['xenia_name'],
                                                   xenia_obs['xenia_units'])
                    sensor_id = db_obj.sensorExists(xenia_obs['xenia_name'],
                                                    xenia_obs['xenia_units'],
                                                    platform_handle, 1)
                    xenia_obs['m_type_id'] = m_type_id
                    xenia_obs['sensor_id'] = sensor_id

        #awc_query = AwcRest()
        # dates.sort(reverse=True)

        logger.debug("Query site: %s for date: %s" % (site, begin_date))
        #awc_query.clear()
        # utc_end_date = begin_date.astimezone(utc_tz) + timedelta(hours=24)
        utc_end_date = begin_date.astimezone(utc_tz)
        start_date = begin_date.astimezone(utc_tz) - timedelta(hours=24)

        url = "https://www.aviationweather.gov/adds/dataserver_current/httpparam?" \
              "dataSource=metars&requestType=retrieve&format=csv&stationString={station}&hoursBeforeNow={hours}".format(
          station=site,
          hours=48
        )
        '''
    #awc_query.filter(bbox=(-77,34,-74,36),stationString=site, start=start_date, end=utc_end_date)
    awc_query.filter(bbox=(0,0,0,0), start=start_date, end=utc_end_date)
    try:
      # response = awc_query.collect()
      temp_file = os.path.join(self.temp_directory, "nws_data.csv")
      with open(temp_file, "w") as nws_file_obj:
        response = awc_query.raw(format="csv", stationString=site)
        nws_file_obj.write(response[0])
    except Exception as e:
      logger.exception(e)
    '''

        try:
            temp_file = os.path.join(self.temp_directory, "nws_data.csv")
            with open(temp_file, "w") as nws_file_obj:
                req = requests.get(url)
                nws_file_obj.write(req.text)
        except Exception as e:
            logger.exception(e)
        else:
            with open(temp_file, "rU") as nws_data_file:
                line_cnt = 0
                header_row = 5
                nws_csv_rdr = csv.DictReader(nws_data_file, header)
                for row_ndx, row in enumerate(nws_csv_rdr):
                    if row_ndx > header_row:
                        try:
                            obs_date = utc_tz.localize(
                                datetime.strptime(row['observation_time'],
                                                  "%Y-%m-%dT%H:%M:%SZ"))
                        except (ValueError, Exception) as e:
                            logger.exception(e)
                        else:
                            for obs in nws_obs:
                                try:
                                    for xenia_obs in obs["xenia_obs"]:
                                        src_obs_name = xenia_obs['obs_name']
                                        src_obs_uom = xenia_obs['units']
                                        xenia_obs_name = xenia_obs[
                                            'xenia_name']
                                        xenia_uom = xenia_obs['xenia_units']
                                        sensor_id = xenia_obs['sensor_id']
                                        m_type_id = xenia_obs['m_type_id']
                                        try:
                                            obs_value = float(
                                                row[src_obs_name])
                                        except ValueError as e:
                                            obs_value = 0.0
                                        try:
                                            latitude = float(row["latitude"])
                                            longitude = float(row["longitude"])
                                        except ValueError as e:
                                            latitude = 0.0
                                            longitude = 0.0
                                        try:
                                            elevation = float(
                                                row['elevation_m'])
                                        except ValueError as e:
                                            elevation = 0

                                        obs_val = units_coverter.measurementConvert(
                                            obs_value, src_obs_uom, xenia_uom)
                                        if obs_val is not None:
                                            obs_rec = multi_obs(
                                                row_entry_date=row_entry_date,
                                                platform_handle=platform_handle,
                                                sensor_id=sensor_id,
                                                m_type_id=m_type_id,
                                                m_date=obs_date.strftime(
                                                    '%Y-%m-%dT%H:%M:%S'),
                                                m_lon=longitude,
                                                m_lat=latitude,
                                                m_z=elevation,
                                                m_value=obs_val)

                                            rec_id = db_obj.addRec(
                                                obs_rec, True)
                                            if rec_id is not None:
                                                logger.debug("Adding obs: %s(%s) Date: %s Value: %s S_Order: 1" % \
                                                             (xenia_obs_name, xenia_uom, obs_date, obs_val))
                                            else:
                                                logger.error("Failed adding obs: %s(%s) Date: %s Value: %s S_Order: 1" % \
                                                             (xenia_obs_name, xenia_uom, obs_date, obs_val))

                                except (Exception, ValueError) as e:
                                    logger.exception(e)

        logger.debug("Finished get_nws_data in %f seconds" %
                     (time.time() - start_time))

        return
Example #2
0
    def get_nos_data(self, site, observations, begin_date, units_coverter,
                     db_obj):
        start_time = time.time()
        logger = logging.getLogger(self.__class__.__name__)
        logger.debug("Starting get_nos_data")

        row_entry_date = datetime.now()
        utc_tz = timezone('UTC')
        eastern_tz = timezone('US/Eastern')

        platform_handle = 'nos.%s.met' % (site)
        if db_obj.platformExists(platform_handle) is None:
            obs_list = []
            for obs_setup in observations:
                if site in obs_setup['sites']:
                    for xenia_obs in obs_setup['xenia_obs']:
                        obs_list.append({
                            'obs_name': xenia_obs['xenia_name'],
                            'uom_name': xenia_obs['xenia_units'],
                            's_order': 1
                        })
            db_obj.buildMinimalPlatform(platform_handle, obs_list)
        #Build sensor_id and m_type_id list.
        for obs_setup in observations:
            if site in obs_setup['sites']:
                for xenia_obs in obs_setup['xenia_obs']:
                    m_type_id = db_obj.mTypeExists(xenia_obs['xenia_name'],
                                                   xenia_obs['xenia_units'])
                    sensor_id = db_obj.sensorExists(xenia_obs['xenia_name'],
                                                    xenia_obs['xenia_units'],
                                                    platform_handle, 1)
                    xenia_obs['m_type_id'] = m_type_id
                    xenia_obs['sensor_id'] = sensor_id

        sos_query = CoopsSos()
        #dates.sort(reverse=True)

        logger.debug("Query site: %s for date: %s" % (site, begin_date))
        sos_query.clear()
        #utc_end_date = begin_date.astimezone(utc_tz) + timedelta(hours=24)
        utc_end_date = begin_date.astimezone(utc_tz)
        start_date = begin_date.astimezone(utc_tz) - timedelta(hours=24)

        for obs_setup in observations:
            if site in obs_setup['sites']:
                date_ndx = None
                value_ndx = None
                lat_ndx = None
                lon_ndx = None
                depth_ndx = None

                sos_query.filter(features=[site],
                                 start=start_date,
                                 end=utc_end_date,
                                 variables=[obs_setup['sos_obs_query']])
                try:
                    # results = nos_query.collect()
                    response = sos_query.raw(responseFormat="text/csv")
                except Exception as e:
                    logger.exception(e)
                else:
                    csv_reader = csv.reader(
                        response.decode('utf-8').split('\n'), delimiter=',')
                    line_cnt = 0

                    for row in csv_reader:
                        for xenia_obs_setup in obs_setup['xenia_obs']:
                            obs_type = xenia_obs_setup['xenia_name']
                            uom_type = xenia_obs_setup['xenia_units']
                            s_order = 1

                            if line_cnt > 0 and len(row):
                                obs_date = datetime.strptime(
                                    row[date_ndx], '%Y-%m-%dT%H:%M:%SZ')
                                try:
                                    obs_val = float(row[value_ndx])
                                except ValueError as e:
                                    logger.exception(e)
                                    obs_val = 0.0
                                try:
                                    if depth_ndx is not None:
                                        depth = float(row[depth_ndx])
                                    else:
                                        depth = 0
                                except ValueError as e:
                                    logger.exception(e)
                                    depth = 0
                                try:
                                    if lat_ndx is not None:
                                        latitude = float(row[lat_ndx])
                                    if lon_ndx is not None:
                                        longitude = float(row[lon_ndx])
                                except ValueError as e:
                                    logger.exception(e)
                                    latitude = 0.0
                                    longitude = 0.0

                                obs_rec = multi_obs(
                                    row_entry_date=row_entry_date,
                                    platform_handle=platform_handle,
                                    sensor_id=xenia_obs_setup['sensor_id'],
                                    m_type_id=xenia_obs_setup['m_type_id'],
                                    m_date=obs_date.strftime(
                                        '%Y-%m-%dT%H:%M:%S'),
                                    m_lon=longitude,
                                    m_lat=latitude,
                                    m_z=depth,
                                    m_value=obs_val,
                                )

                                rec_id = db_obj.addRec(obs_rec, True)
                                if rec_id is not None:
                                    logger.debug("Adding obs: %s(%s) Date: %s Value: %s S_Order: %d" % \
                                                 (obs_type, uom_type, obs_date, obs_val, s_order))
                                else:
                                    logger.error("Failed adding obs: %s(%s) Date: %s Value: %s S_Order: %d" % \
                                                 (obs_type, uom_type, obs_date, obs_val, s_order))
                            else:
                                if value_ndx is None:
                                    for ndx, val in enumerate(row):
                                        if val.lower().find(
                                                xenia_obs_setup['sos_obs_name']
                                        ) != -1:
                                            value_ndx = ndx
                                        if val.lower().find('date_time') != -1:
                                            date_ndx = ndx
                                        if val.lower().find('latitude') != -1:
                                            lat_ndx = ndx
                                        if val.lower().find('longitude') != -1:
                                            lon_ndx = ndx
                                        if val.lower().find('depth') != -1:
                                            depth_ndx = ndx
                        line_cnt += 1
        """
    for single_obs in nos_obs:
      obs_type = nos_obs[single_obs]['xenia_name']
      uom_type = nos_obs[single_obs]['xenia_units']
      s_order = 1

      nos_query.filter(features=[site], start=start_date, end=utc_end_date, variables=[single_obs])
      try:
        #results = nos_query.collect()
        response = nos_query.raw(responseFormat="text/csv")
      except Exception as e:
        logger.exception(e)
      else:
        csv_reader = csv.reader(response.split('\n'), delimiter=',')
        line_cnt = 0
        for row in csv_reader:
          if line_cnt > 0 and len(row):
            obs_date = datetime.strptime(row[4], '%Y-%m-%dT%H:%M:%SZ')
            obs_val = float(row[5])
            logger.debug("Adding obs: %s(%s) Date: %s Value: %s S_Order: %d" %\
                         (obs_type, uom_type, obs_date, obs_val, s_order))



          line_cnt += 1
    """
        logger.debug("Finished get_nos_data in %f seconds" %
                     (time.time() - start_time))

        return