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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.
#
#
from __future__ import print_function
import traceback
import sys
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',
'typicalDate',
'bufrHeaderCentre',
'bufrHeaderSubCentre',
'masterTablesVersionNumber',
'localTablesVersionNumber',
'numberOfSubsets',
]
cnt = 0
# loop for the messages in the file
while 1:
# get handle for message
bufr = codes_bufr_new_from_file(f)
if bufr is None:
break
print("message: %s" % cnt)
# print the values for the selected keys from the message
for key in keys:
try:
print(' %s: %s' % (key, codes_get(bufr, key)))
except CodesInternalError as err:
print('Error with key="%s" : %s' % (key, err.msg))
cnt += 1
# delete handle
codes_release(bufr)
# close the file
f.close()
def main():
try:
example(sys.argv[1])
except CodesInternalError as err:
if VERBOSE:
traceback.print_exc(file=sys.stderr)
else:
sys.stderr.write(err.msg + '\n')
return 1
if __name__ == "__main__":
sys.exit(main())
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