mirror of https://github.com/ecmwf/eccodes.git
78 lines
1.7 KiB
Python
78 lines
1.7 KiB
Python
# Copyright 2005-2015 ECMWF.
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#
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# This software is licensed under the terms of the Apache Licence Version 2.0
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# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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#
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# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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#
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# Python implementation: bufr_read_header
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#
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# Description: how to read the header from BUFR messages.
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#
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#
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import traceback
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import sys
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from eccodes import *
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INPUT='../../data/bufr/syno_multi.bufr'
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VERBOSE=1 # verbose error reporting
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def example():
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# open bufr file
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f = open(INPUT)
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# define the keys to be printed
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keys = [
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'dataCategory',
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'dataSubCategory',
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'typicalDate',
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'bufrHeaderCentre',
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'bufrHeaderSubCentre',
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'masterTablesVersionNumber',
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'localTablesVersionNumber',
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'numberOfSubsets',
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]
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cnt=0
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# loop for the messages in the file
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while 1:
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# get handle for message
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gid = codes_bufr_new_from_file(f)
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if gid is None: break
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print "message: %s" % cnt
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# print the values for the selected keys from the message
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for key in keys:
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if not codes_is_defined(gid,key): raise Exception("Key " + key + " was not defined")
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print ' %s: %s' % (key,codes_get(gid,key))
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cnt+=1
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# delete handle
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codes_release(gid)
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# close the file
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f.close()
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def main():
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try:
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example()
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except CodesInternalError,err:
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if VERBOSE:
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traceback.print_exc(file=sys.stderr)
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else:
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print >>sys.stderr,err.msg
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return 1
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if __name__ == "__main__":
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sys.exit(main())
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