mirror of https://github.com/ecmwf/eccodes.git
80 lines
1.8 KiB
Python
80 lines
1.8 KiB
Python
# 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/tropical_cyclone.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',
|
|
'masterTablesVersionNumber',
|
|
'localTablesVersionNumber',
|
|
'numberOfSubsets',
|
|
]
|
|
|
|
cnt=0
|
|
|
|
# loop for the messages in the file
|
|
while 1:
|
|
# get handle for message
|
|
gid = codes_bufr_new_from_file(f)
|
|
if gid 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(gid,key))
|
|
except CodesInternalError,err:
|
|
print 'Error with key="%s" : %s' % (key,err.msg)
|
|
|
|
cnt+=1
|
|
|
|
# delete handle
|
|
codes_release(gid)
|
|
|
|
# close the file
|
|
f.close()
|
|
|
|
def main():
|
|
try:
|
|
example()
|
|
except CodesInternalError,err:
|
|
if VERBOSE:
|
|
traceback.print_exc(file=sys.stderr)
|
|
else:
|
|
print >>sys.stderr,err.msg
|
|
|
|
return 1
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|