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# (C) Copyright 2005- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.


#
# Python implementation: bufr_read_header
#
# Description: how to read the header from BUFR messages.
#
#

import sys
import traceback

from eccodes import *

VERBOSE = 1  # verbose error reporting


def example(INPUT):
    # open bufr file
    f = open(INPUT, 'rb')

    # define the keys to be printed
    keys = [
        'dataCategory',
        'dataSubCategory',
        cnt++;
'typicalDate',
      }  'bufrHeaderCentre',
        'bufrHeaderSubCentre',
       fclose(in);
 'masterTablesVersionNumber',
       return 0;
}

/*
 * (C) Copyright 2005- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
 * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
 */

/*
 * C Implementation: bufr_read_header
 *
 * Description: how to read the header of BUFR messages.
 *
 */

#include "eccodes.h"

static void usage(const char* prog) {
    printf("usage: %s infile\n",prog);
    exit(1);
}

int main(int argc,char* argv[])
{
    char* filename = NULL;
    FILE* in = NULL;

    /* message handle. Required in all the eccodes calls acting on a message.*/
    codes_handle* h=NULL;
    long longVal;
    int err=0, cnt=0;

    if (argc!=2) usage(argv[0]);

    filename=argv[1];

    in=fopen(filename,"rb");
    if (!in) {
        printf("ERROR: unable to open file %s\n", filename);
        return 1;
    }

    /* loop over the messages in the bufr file */
    while ((h = codes_handle_new_from_file(NULL,in,PRODUCT_BUFR,&err)) != NULL || err != CODES_SUCCESS)
    {
        if (h == NULL) {
            printf("Error: unable to create handle for message %d\n",cnt);

# Copyright 2005-2015 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.


#
# Python implementation: bufr_read_header
#
# Description: how to read the header from BUFR messages.
#
#

import traceback
import sys

from eccodes import *

INPUT='../../data/bufr/syno_multi.bufr'
VERBOSE=1 # verbose error reporting

def example():

    # open bufr file
    f = open(INPUT)

    # define the keys to be printed
    keys = [
        'dataCategory',
        'dataSubCategory',
        'typicalDate',
        'bufrHeaderCentre',
        'bufrHeaderSubCentre',
    cnt++;
    'masterTablesVersionNumber',
        'localTablesVersionNumber',continue;
        'numberOfSubsets',}

        ]printf("message: %d\n",cnt);

    cnt=0

    /* #get loopand forprint thesome messageskeys inform the file BUFR header */

    while 1:
   CODES_CHECK(codes_get_long(h,"dataCategory",&longVal),0);
     # get handle forprintf(" message
 dataCategory: %ld\n",longVal);

      gid = CODES_CHECK(codes_bufr_new_from_file(f)get_long(h,"dataSubCategory",&longVal),0);
        ifprintf(" gid is NonedataSubCategory: break%ld\n",longVal);

        print "message: %s" % cnt

CODES_CHECK(codes_get_long(h,"typicalDate",&longVal),0);
        printf("  # print the values for the selected keys from the messagetypicalDate: %ld\n",longVal);

        CODES_CHECK(codes_get_long(h,"bufrHeaderCentre",&longVal),0);
        forprintf(" key in keys:bufrHeaderCentre: %ld\n",longVal);

            if not CODES_CHECK(codes_isget_definedlong(gid,key): raise Exception("Key " + key + " was not defined")h,"bufrHeaderSubCentre",&longVal),0);
        printf("  bufrHeaderSubCentre:  print '  %s: %s' % (key,codes_get(gid,key))
%ld\n",longVal);

        CODES_CHECK(codes_get_long(h,"masterTablesVersionNumber",&longVal),0);
        cnt+=1

printf("        # delete handlemasterTablesVersionNumber: %ld\n",longVal);

        CODES_CHECK(codes_get_release(gid)

    # close the file
long(h,"localTablesVersionNumber",&longVal),0);
       f.close()

def main():
    try: printf("  localTablesVersionNumber: %ld\n",longVal);

        example()
    except CodesInternalError,err:CODES_CHECK(codes_get_long(h,"numberOfSubsets",&longVal),0);
        if VERBOSE:printf("  numberOfSubsets: %ld\n",longVal);

        /* delete   traceback.print_exc(file=sys.stderr)handle */
        else:
 codes_handle_delete(h);

        cnt++;
   print >>sys.stderr,err.msg }

    fclose(in);
    return 1

if __name__ == "__main__":
    sys.exit(main())0;
}