eccodes/examples/python/grib_ccsds.py

60 lines
1.3 KiB
Python

# (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.
from __future__ import print_function
import sys
import traceback
from eccodes import *
INPUT = "../../data/ccsds.grib2"
VERBOSE = 1 # verbose error reporting
def example():
f = open(INPUT, "rb")
keys = [
"ccsdsFlags",
"ccsdsBlockSize",
"bitsPerValue",
]
while 1:
gid = codes_grib_new_from_file(f)
if gid is None:
break
for key in keys:
try:
print(" %s: %s" % (key, codes_get(gid, key)))
except CodesInternalError as err:
print('Error with key="%s" : %s' % (key, err.msg))
codes_release(gid)
f.close()
def main():
try:
example()
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())