Convert mailbox.org/openXchange contact exports to Fritzbox Phonebook backup files

mailboxorg_to_fritzbox.py

#!/usr/bin/env python3
# coding: utf-8

import csv
import argparse

avm_xml_template = '''<?xml version="1.0" encoding="utf-8"?>
<phonebooks>
<phonebook>
{entries}
</phonebook>
</phonebooks>'''

contact_xml_template = '''<contact>
<category />
    <person>
        <realName>{name}</realName>
    </person>
    <telephony nid="1">
        <number prio="1" type="home" id="0">{number}</number>
    </telephony>
    <services />
    <setup />
    <uniqueid>{uid}</uniqueid>
</contact>'''

defaultget = lambda entry, fields: next(entry[field] for field in fields if entry.get(field))
make_name = lambda entry: entry.get('Display name') or ' '.join([val for val in map(entry.get, ['Given name', 'Middle name', 'Sur name']) if val]) or entry.get('Company') or entry.get('Unnamed, blame converter script')

def convert_file(infile):
    return avm_xml_template.format(entries='\n'.join(convert_entries(infile)))

def convert_entries(infile):
    reader = csv.DictReader(infile)
    telephone_fields = [n for n in reader.fieldnames if 'elephone' in n]

    for uid, entry in enumerate(list(reader), 11):
        try:
            yield contact_xml_template.format(name=make_name(entry), number=defaultget(entry, telephone_fields), uid=uid)
        except StopIteration:
            # Contact has no phone number
            print('No phone number found for', make_name(entry))

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('infile', type=str)
    parser.add_argument('outfile', type=str)
    args = parser.parse_args()

    with open(args.infile, 'r') as infile:
        with open(args.outfile, 'w') as outfile:
            outfile.write(convert_file(infile))