mirror of https://github.com/ecmwf/eccodes.git
77 lines
1.6 KiB
Python
77 lines
1.6 KiB
Python
# Copyright 2005-2016 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
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# granted to it by virtue of its status as an intergovernmental organisation
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# nor does it submit to any jurisdiction.
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#
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#
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# Python implementation: bufr_clone
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#
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# Description: how to create a new BUFR message by cloning
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# an existing message.
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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_1.bufr'
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OUTPUT = 'bufr_clone_test_p.clone.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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fin = open(INPUT)
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# open otput bufr file
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fout = open(OUTPUT, 'w')
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# get handle for message
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gid = codes_bufr_new_from_file(fin)
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# create several clones of this message and alter them
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# in different ways
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for centre in range(0, 3):
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# clone the message
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clone_id = codes_clone(gid)
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# this is the place where you may wish to modify the clone
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codes_set(clone_id, 'bufrHeaderCentre', centre)
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# write the cloned message to a file
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codes_write(clone_id, fout)
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# relase the clone's handle
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codes_release(clone_id)
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# release the source's handle
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codes_release(gid)
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fin.close()
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fout.close()
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def main():
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try:
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example()
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except CodesInternalError as 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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sys.stderr.write(err.msg + '\n')
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return 1
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if __name__ == "__main__":
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sys.exit(main())
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