tia-parser.py

# Copyright (c) 2026, Nils Emmerich. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

from tia import TiaProject
from hashlib import md5
from argparse import ArgumentParser

parser = ArgumentParser(prog='tia-parser', description='Parse TIA project files and convert it to json or body files')
parser.add_argument('filename')
parser.add_argument('-b', '--body', help='Output a body file into the file specified')
parser.add_argument('-j', '--json', help='Output a json file into the file specified')
args = parser.parse_args()

if args.body is None and args.json is None:
    parser.error('At least body or json output must be specified')

with open(args.filename, 'rb') as f:
    data = f.read()

project = TiaProject()
project.loadFromBytes(data)

if args.json is not None:
    with open(args.json, 'w') as f:
        for obj in project.getObjects():
            f.write(obj.jsonDump())
            f.write('\n')

def writeBodyLine(f, obj):
    if obj.implements('Modified'):
        name = ''
        ctime = int(obj['created'].timestamp())
        mtime = int(obj['modified'].timestamp())
    elif obj.implements('Commit'):
        name = obj['description'].decode('utf-8')
        ctime = int(obj['timestamp'].timestamp())
        mtime = int(obj['timestamp'].timestamp())
    elif obj.implements('Close'):
        name = obj['description'].decode('utf-8')
        ctime = int(obj['timestamp'].timestamp())
        mtime = int(obj['timestamp'].timestamp())
    elif obj.implements('Siemens.Automation.ObjectFrame.ICoreAttributes'):
        core = obj['Siemens.Automation.ObjectFrame.ICoreAttributes']
        if 'CreationTime' in core:
            ctime = int(core['CreationTime'].timestamp())
        else:
            ctime = 0
        if 'ModifiedTime' in core:
            mtime = int(core['ModifiedTime'].timestamp())
        else:
            mtime = 0
        name = ""
        if 'Name' in core:
            name = core['Name'].decode('utf-8')
    else:
        return
    # 3.X: MD5|name|inode|mode_as_string|UID|GID|size|atime|mtime|ctime|crtime
    # 2.X: MD5|path/name|device|inode|mode_as_value|mode_as_string|num_of_links|UID|GID|rdev|size|atime|mtime|ctime|block_size|num_of_blocks
    f.write(f"{md5(obj.hash).hexdigest()}|{obj.type.name}/{obj.idAndType.id}/{name}|0|-|0|0|{obj.size}|0|{mtime}|{ctime}|0\n")

if args.body is not None:
    with open(args.body, 'w') as f:
        for obj in project.getObjects():
            writeBodyLine(f, obj)