123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 |
- #!/usr/bin/env/python
- # -*- coding: utf-8 -*-
- ###
- ### Author: Chris Iatrou (ichrispa@core-vector.net)
- ### Version: rev 13
- ###
- ### This program was created for educational purposes and has been
- ### contributed to the open62541 project by the author. All licensing
- ### terms for this source is inherited by the terms and conditions
- ### specified for by the open62541 project (see the projects readme
- ### file for more information on the LGPL terms and restrictions).
- ###
- ### This program is not meant to be used in a production environment. The
- ### author is not liable for any complications arising due to the use of
- ### this program.
- ###
- from sys import argv, exit
- from os import path
- from ua_namespace import *
- from logger import *
- def usage():
- print "Skript usage:"
- print "generate_open62541CCode <namespace XML> [namespace.xml[ namespace.xml[...]]] <output file>"
- print ""
- print "generate_open62541CCode will first read all XML files passed on the command line, then "
- print "link and check the namespace. All nodes that fullfill the basic requirements will then be"
- print "printed as C-Code intended to be included in the open62541 OPC-UA Server that will"
- print "initialize the corresponding name space."
- if __name__ == '__main__':
- # Check if the parameters given correspond to actual files
- infiles = []
- ouffile = ""
-
- GLOBAL_LOG_LEVEL = LOG_LEVEL_INFO
-
- if len(argv) < 2:
- usage()
- exit(1)
- for filename in argv[1:-1]:
- if path.exists(filename):
- infiles.append(filename)
- else:
- log(None, "File " + str(filename) + " does not exist.", LOG_LEVEL_ERROR)
- usage()
- exit(1)
- # Creating the header is tendious. We can skip the entire process if
- # the header exists.
- if path.exists(argv[-1]):
- log(None, "File " + str(filename) + " does already exists.", LOG_LEVEL_INFO)
- log(None, "Header generation will be skipped. Delete the header and rerun this script if necessary.", LOG_LEVEL_INFO)
- exit(0)
- # Open the output file
- outfile = open(argv[-1], r"w+")
- # Create a new namespace
- # Note that the name is actually completely symbolic, it has no other
- # function but to distinguish this specific class.
- # A namespace class acts as a container for nodes. The nodes may belong
- # to any number of different OPC-UA namespaces.
- ns = opcua_namespace("open62541")
- # Parse the XML files
- for xmlfile in infiles:
- log(None, "Parsing " + str(xmlfile), LOG_LEVEL_INFO)
- ns.parseXML(xmlfile)
- # Link the references in the namespace
- log(None, "Linking namespace nodes and references", LOG_LEVEL_INFO)
- ns.linkOpenPointers()
- # Remove nodes that are not printable or contain parsing errors, such as
- # unresolvable or no references or invalid NodeIDs
- ns.sanitize()
- # Parse Datatypes in order to find out what the XML keyed values actually
- # represent.
- # Ex. <rpm>123</rpm> is not encodable
- # only after parsing the datatypes, it is known that
- # rpm is encoded as a double
- log(None, "Building datatype encoding rules", LOG_LEVEL_INFO)
- ns.buildEncodingRules()
- # Allocate/Parse the data values. In order to do this, we must have run
- # buidEncodingRules.
- log(None, "Allocating variables", LOG_LEVEL_INFO)
- ns.allocateVariables()
- # Create the C Code
- log(None, "Generating Header", LOG_LEVEL_INFO)
- for line in ns.printOpen62541Header():
- outfile.write(line+"\n")
- outfile.close()
|