[dataimport] backport massive store from dataio cube
Some tweaks have been made to work with 3.21 foreign key constraints.
Also test are not executed in our own pg cluster instead of polluting the system
one.
Closes #5414760
from __future__ import print_function
from logilab.common.shellutils import generate_password
from cubicweb.server.utils import crypt_password
for user in rql('CWUser U WHERE U cw_source S, S name "system", U upassword P, U login L').entities():
salt = user.upassword.getvalue()
if crypt_password('', salt) == salt:
passwd = generate_password()
print('setting random password for user %s' % user.login)
user.set_attributes(upassword=passwd)
commit()