Restoring a <0.6 database dump generated with >=0.6

kolibri_legacy_restore.py

#!/usr/bin/env python

try:
    import kolibri
except ImportError:
    print(
        "Could not find Kolibri in the system path, if you are using a PEX "
        "file, please run `./file.pex manage shell` and then copy-paste all "
        "contents of this script into the command line of Kolibri."
      )
    raise SystemExit()

import os
import sys

os.environ["DJANGO_SETTINGS_MODULE"] = "kolibri.deployment.default.settings.base"

os.environ.setdefault(
    "KOLIBRI_HOME", os.path.join(os.path.expanduser("~"), ".kolibri")
)

from django import db
from django.conf import settings

if not kolibri.__version__ <= "0.6":
    print("This script is only necessary with Kolibri<0.6")
    print("If your intention is to restore an old dump for kolibri 0.6, then you need to install kolibri<0.6 firstly")
    raise SystemExit()

try:
   input = raw_input
except NameError:
   pass


dump_filename = None

while not dump_filename or not os.path.isfile(dump_filename):
    dump_filename = input("Please enter the file name and path of your dump file and press ENTER: ")
    print("File not found, please try again")

dst_file = settings.DATABASES['default']['NAME']

# Close connections
db.connections.close_all()

# Wipe current database file
if not db.connections['default'].is_in_memory_db(dst_file):
    with open(dst_file, "w") as f:
        f.truncate()

f = open(dump_filename, "r")

db.connections['default'].connect()
db.connections['default'].connection.executescript(
    f.read()
)

from morango.models import DatabaseIDModel
DatabaseIDModel.objects.create()