name_zwcfgxml.py

#!/home/joost/homeassistant/bin/python3

# This script will make sure that no entity in your openzwave config cache file has a duplicate name.
# It will also create a backup of the file.

import xml.etree.ElementTree as ET
import copy
import re
import time
from shutil import copyfile

# Fill this dict with the unique name of your choice for each node id in your zwave network
node_names = {
    "1": "Zwave Stick",
    "2": "Fibaro Wall Plug 1",
    "3": "Fibaro Wall Plug 2",
    "4": "..."
}

# Enter correct path to zwcfg file here
zwcfg_file = '/home/joost/.homeassistant/zwcfg_0xxxxxxx.xml'

namespace = 'http://code.google.com/p/open-zwave/'

ET.register_namespace('', namespace)

tree = ET.parse(zwcfg_file)

def select_elements_with_same_label (haystack, needle):
    elems = []
    for i in range(len(haystack)):
        h = haystack[i]
        if h.attrib['label'] == needle.attrib['label'] and h is not needle:
            elems.append(h)

    return elems

def get_element_desc(elem):
    return 'label: '+elem.attrib['label']+' instance: '+elem.attrib['instance']+' index: '+elem.attrib['index']

total_dup_count = 0
node_rename_count = 0
# Iterate config of all Zwave nodes
for node in tree.findall('./{'+namespace+'}Node'):
    node_id = node.attrib['id']
    node_name = node.attrib.get('name', '')
    print("Handling node " + node.attrib['id'] + " (" + node_name + ")")
    if(node_id in node_names and node_names[node_id] != node_name):
        print("Renaming node to: " + node_names[node_id])
        node.attrib['name'] = node_names[node_id]
        node_rename_count += 1

    # Iterate all child elements in node having attributes 'instance', 'index' and 'label'
    elems = node.findall('.//*[@instance][@index][@label]')

    dup_count = 0
    visited = []
    for elem in elems:
        if elem in visited:
            continue

        # find elements having same label
        dups = select_elements_with_same_label(elems, elem)
        if dups:
            dups.append(elem)

            dups.sort(key=lambda i: (i.attrib['instance'], i.attrib['index']))

            for dup in dups[1:]:
                new_label = dup.attrib['label'] + ' ' + dup.attrib['instance'] + '_' + dup.attrib['index']
                print('  Renaming element <' + get_element_desc(dup) + '> to have label "' + new_label + '" (duplicate of <'+get_element_desc(dups[0])+'>)')
                dup.attrib['label'] = new_label
                dup_count += 1

        # to avoid visiting these nodes again
        visited.extend(dups)
    print('Number of renames: ' + str(dup_count))
    total_dup_count += dup_count

millis = int(round(time.time() * 1000))

copyfile(zwcfg_file, zwcfg_file + '.' + str(millis) + '.xml')

tree.write(zwcfg_file, xml_declaration=True, encoding="utf-8")

print("Finished having renamed "+ str(node_rename_count) + " nodes and relabeled " + str(total_dup_count) + " elements")

exit(0)