mirror of https://github.com/ecmwf/eccodes.git
76 lines
1.7 KiB
Python
76 lines
1.7 KiB
Python
# (C) Copyright 2005- 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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from __future__ import absolute_import
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import sys
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import traceback
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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, "rb")
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# open output BUFR file
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fout = open(OUTPUT, "wb")
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# get handle for message
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bufr = 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(bufr)
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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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# release 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(bufr)
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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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