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CodesInternalError

GribInternalError

with GribFile(filename) as grib:
    # Iterate through each message in the file

    for msgin grib:
        # Access a key from each message

        print(msg[key_name])
        # Report message size in bytes

        msg.size()
        # Report keys in message

        msg.keys()
        # Set scalar value

        msg[scalar_key] = 5
        # Array values are set transparently

        msg[array_key] = [1, 2, 3]
        # Messages can be written to file

        with open(testfile, "w") as test:
            msg.write(test)
        # Messages can be cloned from other messages

        msg2 = GribMessage(clone=msg)